Nabble - Simple XML Serialization

Re: Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-11-23T02:21:07Z

Thanks. I really don't see how it could break things (unless you have
a broken XML parser in Java, which may occasionally happen,
unfortunately).

I'll look into the public method you mentioned -- should do for us
for the moment.

Dawid

On Mon, Nov 23, 2009 at 11:16 AM, <niall.gallagher@...> wrote:

> Hi,
>
> I did not change the method for InputStream on this one, however I did add NodeBuilder.read(InputStream) to return an InputNode from the stream. I need to test a bit more before I change to this in the persister. It should be possible to use NodeBuilder.read(InputStream) to create an InputNode you can pass to the Persister.read(Class,InputNode) method. Ill try get it in for the next release.
>
> Niall
>
>
> Niall Gallagher
> RBS Global Banking & Markets
> Office: +44 2070851454
>
> -----Original Message-----
> From: Dawid Weiss [mailto:dawid.weiss@...]
> Sent: 23 November 2009 10:13
> To: GALLAGHER, Niall, GBM
> Cc: simple-support@...
> Subject: Re: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.
>
> Hi Niall,
>
> I see a new version of Simple is out and, sadly, it does not contain this forced-UTF-8 patch. Is there any schedule on when this could be integrated? Our stuff sort of depends on this change and we'd hate to fork and maintain SimpleXML internally just for two lines of code...
>
> Dawid
>
> On Fri, Oct 30, 2009 at 10:04 AM, <niall.gallagher@...> wrote:
>> Sounds good, ill add this in.
>>
>>
>> Niall Gallagher
>> RBS Global Banking & Markets
>> Office: +44 7879498724
>>
>> -----Original Message-----
>> From: Dawid Weiss [mailto:dawid.weiss@...]
>> Sent: 29 October 2009 18:36
>> To: simple-support@...
>> Subject: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.
>>
>> Hi there,
>>
>> We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.
>>
>> We would like to point at one potential issue that could be easily
>> fixed: currently, the Persister class forces
>> UTF-8 encoding on byte streams, which may not be correct (let's say the XML is provided by users and not generated by SimpleXML). The relevant section of Persister could be easily fixed to rely on the XML parser's character detection and decoding. So:
>>
>> public <T> T read(Class<? extends T> type, InputStream source)
>> throws Exception {
>> - return (T)read(type, source, "utf-8");
>> + return (T)read(type, NodeBuilder.read(source));
>> }
>>
>> and then in NodeBuilder add a method that relies on the XML parser's decoding:
>>
>> + public static InputNode read(InputStream source) throws Exception
>> + {
>> + return read(factory.createXMLEventReader(source));
>> + }
>>
>> The entire patch against 2.1.4 is attached. We would appreciate if this could be integrated into the next version (or at least if NodeBuilder's read(XMLEventReader) could be made public to allow alternative parsing strategies):
>>
>> private static InputNode read(XMLEventReader source) throws Exception
>> {
>>
>> Dawid
>>
>> **********************************************************************
>> ************* The Royal Bank of Scotland plc. Registered in Scotland
>> No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
>> Authorised and regulated by the Financial Services Authority.
>>
>> This e-mail message is confidential and for use by the addressee only.
>> If the message is received by anyone other than the addressee, please
>> return the message to the sender by replying to it and then delete the
>> message from your computer. Internet e-mails are not necessarily
>> secure. The Royal Bank of Scotland plc does not accept responsibility
>> for changes made to this message after it was sent.
>>
>> Whilst all reasonable care has been taken to avoid the transmission of
>> viruses, it is the responsibility of the recipient to ensure that the
>> onward transmission, opening or use of this message and any
>> attachments will not adversely affect its systems or data. No
>> responsibility is accepted by The Royal Bank of Scotland plc in this
>> regard and the recipient should carry out such virus and other checks
>> as it considers appropriate.
>>
>> Visit our website at www.rbs.com
>>
>> **********************************************************************
>> *************
>>
>>
>

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Re: Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-11-23T02:16:37Z

Hi,

I did not change the method for InputStream on this one, however I did add NodeBuilder.read(InputStream) to return an InputNode from the stream. I need to test a bit more before I change to this in the persister. It should be possible to use NodeBuilder.read(InputStream) to create an InputNode you can pass to the Persister.read(Class,InputNode) method. Ill try get it in for the next release.

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

-----Original Message-----
From: Dawid Weiss [mailto:dawid.weiss@...]
Sent: 23 November 2009 10:13
To: GALLAGHER, Niall, GBM
Cc: simple-support@...
Subject: Re: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.

Hi Niall,

I see a new version of Simple is out and, sadly, it does not contain this forced-UTF-8 patch. Is there any schedule on when this could be integrated? Our stuff sort of depends on this change and we'd hate to fork and maintain SimpleXML internally just for two lines of code...

Dawid

On Fri, Oct 30, 2009 at 10:04 AM, <niall.gallagher@...> wrote:

> Sounds good, ill add this in.
>
>
> Niall Gallagher
> RBS Global Banking & Markets
> Office: +44 7879498724
>
> -----Original Message-----
> From: Dawid Weiss [mailto:dawid.weiss@...]
> Sent: 29 October 2009 18:36
> To: simple-support@...
> Subject: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.
>
> Hi there,
>
> We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.
>
> We would like to point at one potential issue that could be easily
> fixed: currently, the Persister class forces
> UTF-8 encoding on byte streams, which may not be correct (let's say the XML is provided by users and not generated by SimpleXML). The relevant section of Persister could be easily fixed to rely on the XML parser's character detection and decoding. So:
>
> public <T> T read(Class<? extends T> type, InputStream source)
> throws Exception {
> - return (T)read(type, source, "utf-8");
> + return (T)read(type, NodeBuilder.read(source));
> }
>
> and then in NodeBuilder add a method that relies on the XML parser's decoding:
>
> + public static InputNode read(InputStream source) throws Exception
> + {
> + return read(factory.createXMLEventReader(source));
> + }
>
> The entire patch against 2.1.4 is attached. We would appreciate if this could be integrated into the next version (or at least if NodeBuilder's read(XMLEventReader) could be made public to allow alternative parsing strategies):
>
> private static InputNode read(XMLEventReader source) throws Exception
> {
>
> Dawid
>
> **********************************************************************
> ************* The Royal Bank of Scotland plc. Registered in Scotland
> No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
> Authorised and regulated by the Financial Services Authority.
>
> This e-mail message is confidential and for use by the addressee only.
> If the message is received by anyone other than the addressee, please
> return the message to the sender by replying to it and then delete the
> message from your computer. Internet e-mails are not necessarily
> secure. The Royal Bank of Scotland plc does not accept responsibility
> for changes made to this message after it was sent.
>
> Whilst all reasonable care has been taken to avoid the transmission of
> viruses, it is the responsibility of the recipient to ensure that the
> onward transmission, opening or use of this message and any
> attachments will not adversely affect its systems or data. No
> responsibility is accepted by The Royal Bank of Scotland plc in this
> regard and the recipient should carry out such virus and other checks
> as it considers appropriate.
>
> Visit our website at www.rbs.com
>
> **********************************************************************
> *************
>
>

Re: Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-11-23T02:13:26Z

Hi Niall,

I see a new version of Simple is out and, sadly, it does not contain
this forced-UTF-8 patch. Is there any schedule on when this could be
integrated? Our stuff sort of depends on this change and we'd hate to
fork and maintain SimpleXML internally just for two lines of code...

Dawid

On Fri, Oct 30, 2009 at 10:04 AM, <niall.gallagher@...> wrote:

> Sounds good, ill add this in.
>
>
> Niall Gallagher
> RBS Global Banking & Markets
> Office: +44 7879498724
>
> -----Original Message-----
> From: Dawid Weiss [mailto:dawid.weiss@...]
> Sent: 29 October 2009 18:36
> To: simple-support@...
> Subject: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.
>
> Hi there,
>
> We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.
>
> We would like to point at one potential issue that could be easily
> fixed: currently, the Persister class forces
> UTF-8 encoding on byte streams, which may not be correct (let's say the XML is provided by users and not generated by SimpleXML). The relevant section of Persister could be easily fixed to rely on the XML parser's character detection and decoding. So:
>
> public <T> T read(Class<? extends T> type, InputStream source) throws Exception {
> - return (T)read(type, source, "utf-8");
> + return (T)read(type, NodeBuilder.read(source));
> }
>
> and then in NodeBuilder add a method that relies on the XML parser's decoding:
>
> + public static InputNode read(InputStream source) throws Exception {
> + return read(factory.createXMLEventReader(source));
> + }
>
> The entire patch against 2.1.4 is attached. We would appreciate if this could be integrated into the next version (or at least if NodeBuilder's read(XMLEventReader) could be made public to allow alternative parsing strategies):
>
> private static InputNode read(XMLEventReader source) throws Exception {
>
> Dawid
>
> ***********************************************************************************
> The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
> Authorised and regulated by the Financial Services Authority.
>
> This e-mail message is confidential and for use by the
> addressee only. If the message is received by anyone other
> than the addressee, please return the message to the sender
> by replying to it and then delete the message from your
> computer. Internet e-mails are not necessarily secure. The
> Royal Bank of Scotland plc does not accept responsibility for
> changes made to this message after it was sent.
>
> Whilst all reasonable care has been taken to avoid the
> transmission of viruses, it is the responsibility of the recipient to
> ensure that the onward transmission, opening or use of this
> message and any attachments will not adversely affect its
> systems or data. No responsibility is accepted by The
> Royal Bank of Scotland plc in this regard and the recipient should carry
> out such virus and other checks as it considers appropriate.
>
> Visit our website at www.rbs.com
>
> ***********************************************************************************
>
>

Re: mixed content

2009-11-13T08:45:48Z

I implicitly gave that answer,
cause I knew you could not do anything else.
I'm sorry if I didn't address the right issue.
Regards,

Quirino

2009/11/13 <niall.gallagher@...>

Hi,

Yes, if you just want the text, you can use CDATA (via @Text(data=true) or @Element(data=true) or just escape the XML characters.

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

From: Quirino Zagarese [mailto:quirino@...]
Sent: 13 November 2009 16:33
To: Tim Jüchter
Cc: simple-support@...
Subject: Re: [Simple-support] mixed content

Hi Tim,
if you want to put the whole content in a single String variable, you can use the @Text annotation, but I guess the only way
to make it work is to enclose the content in a CDATA section.
Kind regards,

Quirino

2009/11/13 Tim Jüchter <tim.juechter@...>

Hi,

how can to handle mixed content. For Example:

<text>some text this is bold</> and more text</text>

Kind regards,
tim

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--
Quirino Zagarese

Italian OpenLaszlo Community - www.laszloitalia.org

EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com
***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

--
Quirino Zagarese

Italian OpenLaszlo Community - www.laszloitalia.org

EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com

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Re: mixed content

2009-11-13T08:41:13Z

Hi,

Yes, if you just want the text, you can use CDATA (via @Text(data=true) or @Element(data=true) or just escape the XML characters.

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

From: Quirino Zagarese [mailto:quirino@...]
Sent: 13 November 2009 16:33
To: Tim Jüchter
Cc: simple-support@...
Subject: Re: [Simple-support] mixed content

Hi Tim,
if you want to put the whole content in a single String variable, you can use the @Text annotation, but I guess the only way
to make it work is to enclose the content in a CDATA section.
Kind regards,

Quirino

2009/11/13 Tim Jüchter <tim.juechter@...>

Hi,

how can to handle mixed content. For Example:

<text>some text this is bold</> and more text</text>

Kind regards,
tim

------------------------------------------------------------------------------
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trial. Simplify your report design, integration and deployment - and focus on
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_______________________________________________
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--
Quirino Zagarese

Italian OpenLaszlo Community - www.laszloitalia.org

EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com

***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Re: mixed content

2009-11-13T08:33:11Z

Hi,

I am afraid that is not possible for a couple of reasons. Firstly how would you map it to a Java object. Where would "some text" go, would "this is bold" be assigned to another variable.

Niall

-----Original Message-----
From: Tim Jüchter [mailto:tim.juechter@...]
Sent: 13 November 2009 16:04
To: simple-support@...
Subject: [Simple-support] mixed content

Hi,

how can to handle mixed content. For Example:

<text>some text this is bold</> and more text</text>

Kind regards,
tim

------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________
Simple-support mailing list
Simple-support@...
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***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
Authorised and regulated by the Financial Services Authority.

This e-mail message is confidential and for use by the
addressee only. If the message is received by anyone other
than the addressee, please return the message to the sender
by replying to it and then delete the message from your
computer. Internet e-mails are not necessarily secure. The
Royal Bank of Scotland plc does not accept responsibility for
changes made to this message after it was sent.

Whilst all reasonable care has been taken to avoid the
transmission of viruses, it is the responsibility of the recipient to
ensure that the onward transmission, opening or use of this
message and any attachments will not adversely affect its
systems or data. No responsibility is accepted by The
Royal Bank of Scotland plc in this regard and the recipient should carry
out such virus and other checks as it considers appropriate.

Visit our website at www.rbs.com

***********************************************************************************

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Re: mixed content

2009-11-13T08:32:37Z

2009/11/13 Tim Jüchter <tim.juechter@...>

Hi,

how can to handle mixed content. For Example:

<text>some text this is bold</> and more text</text>

Kind regards,
tim

------------------------------------------------------------------------------
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mixed content

2009-11-13T08:09:14Z

Hi,

how can to handle mixed content. For Example:

<text>some text this is bold</> and more text</text>

Kind regards,
tim

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mixed content

2009-11-13T08:04:08Z

Re: Can Simple export the Metadata of my class?

2009-11-12T03:37:58Z

Hi,

Simple currently does not support XSD.

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

From: Ahmad Qatramiz [mailto:ahmadqsoftnet@...]
Sent: 11 November 2009 14:03
To: simple-support@...
Subject: [Simple-support] Can Simple export the Metadata of my class?

Can Simple export the Metadata of my class as an XSD file?

Thank you for your help

***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Can Simple export the Metadata of my class?

2009-11-11T06:02:31Z

Can Simple export the Metadata of my class as an XSD file?

Thank you for your help

Re: Serializing to and from Element

2009-11-09T18:13:54Z

Niall,

I think the Serializer interface is missing some methods.

public <T> T read(java.lang.Class<? extends T> type, InputNode source) throws java.lang.Exception

is in Persister but not in Serializer.

Ditto:

public void write(java.lang.Object source, OutputNode root) throws java.lang.Exception

That means for the moment I have to change my code from

Serializer serializer = new Persister();

Persister persister = new Persister();

in order to implement reading from and writing to an Element.

Thanks,

Rob Griffin.

From: niall.gallagher@... [mailto:niall.gallagher@...]
Sent: Tuesday, 20 October 2009 7:30 PM
To: Rob Griffin; simple-support@...
Subject: RE: Serializing to and from Element

Hi,

Simple started off using DOM. It progressed to 1.0 before I wrote a DOM like wrapper around StAX. The org.simpleframework.xml.stream package is 100% interfaces, which is very similar to DOM. I think all you need to do is implement the InputNode and OutputNode around a org.w3c.dom.Element as well as Position, which is easy. It should be a very easy job, I have not had time to do it myself. But I implemented org.simpleframework.xml.stream for this exact issue.

Niall

From: Rob Griffin [mailto:rob.griffin@...]
Sent: 20 October 2009 01:18
To: simple-support@...
Subject: [Simple-support] Serializing to and from Element

Niall,

We need a way of serializing to and from an Element instead of a steam because we embed our object’s XML inside other XML.

Can Simple do this as it stands?

Thanks,

Rob Griffin

Quest Software

www.quest.com

***********************************************************************************

The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.

Authorised and regulated by the Financial Services Authority.

This e-mail message is confidential and for use by the

addressee only. If the message is received by anyone other

than the addressee, please return the message to the sender

by replying to it and then delete the message from your

computer. Internet e-mails are not necessarily secure. The

Royal Bank of Scotland plc does not accept responsibility for

changes made to this message after it was sent.

Whilst all reasonable care has been taken to avoid the

transmission of viruses, it is the responsibility of the recipient to

ensure that the onward transmission, opening or use of this

message and any attachments will not adversely affect its

systems or data. No responsibility is accepted by The

Royal Bank of Scotland plc in this regard and the recipient should carry

out such virus and other checks as it considers appropriate.

Visit our website at www.rbs.com

***********************************************************************************

Re: Parsing JavaBean to XML and Viceversa

2009-11-09T14:20:52Z

Hi,
you just need to use write and read methods from the Persister class.
This part of tutorial explains hot to get XML from a JavaBean;
this one, instead, explains how to deserialize XML to get a JavaBean.
Hope this helps!

2009/11/4 SivaKumarl <sivakumarl@...>

Hi Friends,
I need to parse JavaBean to XML and XML to JavaBean, kindly
suggest me the best API to parse

Thanks in Advance
----------------
Siva
--
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Re: Google App Engine support

2009-11-09T05:35:51Z

Excellent. Any idea when the next release will be? :)

On Mon, Nov 9, 2009 at 9:47 AM, <niall.gallagher@...> wrote:

Hi,

This sounds like a reasonable fix, ill ensure to add it in to the next release.

Thanks,

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

From: Jeremy Blythe [mailto:jeremyblythe@...]
Sent: 08 November 2009 19:47
To: simple-support@...
Subject: [Simple-support] Google App Engine support
Google App Engine has various restrictions which hamper some frameworks. JAXB cannot be used on GAE because it uses many clasees which are not in the "whitelist". Simple however, works really well and causes no problems in the Local environment. However, when I deployed this to Google I was hit by the Sandbox limitations for Reflection. When Simple scans your classes to build its "schema" it calls setAccessible(true) on every method and constructor it finds all the way up the hierarchy to Object. This violates the sandbox restriction: "An application cannot reflect against any other classes not belonging to itself, and it can not use the setAccessible() method to circumvent these restrictions." App Engine throws a SecurityException when you try to call setAccessible(true) on one of its classes.

For my purposes (and probably the majority case?) I do not need to serialize or deserialize to any non-public method of any superclasses other than my own. So given this I decided to absorb any SecurityExceptions thrown during the scanning process thus leaving those methods out of the "schema". Two minor changes are required to the source. The scan methods in org.simpleframework.xml.core.ClassScanner and org.simpleframework.xml.core.ConstructrorScanner both need a try..catch block added like so:
//ClassScanner
 private void scan(Class real, Class type) throws Exception {
 Method[] method = type.getDeclaredMethods();

 for(int i = 0; i < method.length; i++) {
 Method next = method[i];


 try { 
 if(!next.isAccessible()) {
 next.setAccessible(true);
 }
 scan(next);
 } catch (SecurityException e) {
 // Absorb this
 }



 } 
 }

//ConstructorScanner
 private void scan(Class type) throws Exception {
 Constructor[] array = type.getDeclaredConstructors();
 
 for(Constructor factory: array){


 ClassMap map = new ClassMap(type);
 
 try {
 if(!factory.isAccessible()) {
 factory.setAccessible(true);
 }
 scan(factory, map);
 } catch (SecurityException e) {


 // Absorb this
 }
 
 } 
 }
This works well now in the Local and Deployed environments. Perhaps Simple would benefit from a mode or an option on the @Root annotation to specify the depth of class scanning as an alternative to this work-around?

It would be good to see Simple as the XML Serialization framework of choice for Google App Engine projects!

I would be happy to contribute changes if you think this would be appropriate.

Jeremy.
***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Re: Google App Engine support

2009-11-09T01:47:55Z

Hi,

This sounds like a reasonable fix, ill ensure to add it in to the next release.

Thanks,

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 2070851454

From: Jeremy Blythe [mailto:jeremyblythe@...]
Sent: 08 November 2009 19:47
To: simple-support@...
Subject: [Simple-support] Google App Engine support

Google App Engine has various restrictions which hamper some frameworks. JAXB cannot be used on GAE because it uses many clasees which are not in the "whitelist". Simple however, works really well and causes no problems in the Local environment. However, when I deployed this to Google I was hit by the Sandbox limitations for Reflection. When Simple scans your classes to build its "schema" it calls setAccessible(true) on every method and constructor it finds all the way up the hierarchy to Object. This violates the sandbox restriction: "An application cannot reflect against any other classes not belonging to itself, and it can not use the setAccessible() method to circumvent these restrictions." App Engine throws a SecurityException when you try to call setAccessible(true) on one of its classes.

For my purposes (and probably the majority case?) I do not need to serialize or deserialize to any non-public method of any superclasses other than my own. So given this I decided to absorb any SecurityExceptions thrown during the scanning process thus leaving those methods out of the "schema". Two minor changes are required to the source. The scan methods in org.simpleframework.xml.core.ClassScanner and org.simpleframework.xml.core.ConstructrorScanner both need a try..catch block added like so:

//ClassScanner
   private void scan(Class real, Class type) throws Exception {
      Method[] method = type.getDeclaredMethods();

      for(int i = 0; i < method.length; i++) {
         Method next = method[i];

         try { 
          if(!next.isAccessible()) {
             next.setAccessible(true);
          }
          scan(next);
        } catch (SecurityException e) {
   // Absorb this
        }


      }     
   }

//ConstructorScanner
   private void scan(Class type) throws Exception {
      Constructor[] array = type.getDeclaredConstructors();
      
      for(Constructor factory: array){

         ClassMap map = new ClassMap(type);
         
         try {
          if(!factory.isAccessible()) {
             factory.setAccessible(true);
          }
          scan(factory, map);
         } catch (SecurityException e) {

   // Absorb this
         }
          
      } 
   }

***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Google App Engine support

2009-11-08T11:47:14Z

//ClassScanner
   private void scan(Class real, Class type) throws Exception {
      Method[] method = type.getDeclaredMethods();

      for(int i = 0; i < method.length; i++) {
         Method next = method[i];

         try { 
          if(!next.isAccessible()) {
             next.setAccessible(true);
          }
          scan(next);
        } catch (SecurityException e) {
   // Absorb this
        }


      }     
   }

//ConstructorScanner
   private void scan(Class type) throws Exception {
      Constructor[] array = type.getDeclaredConstructors();
      
      for(Constructor factory: array){

         ClassMap map = new ClassMap(type);
         
         try {
          if(!factory.isAccessible()) {
             factory.setAccessible(true);
          }
          scan(factory, map);
         } catch (SecurityException e) {

   // Absorb this
         }
          
      } 
   }

This works well now in the Local and Deployed environments. Perhaps Simple would benefit from a mode or an option on the @Root annotation to specify the depth of class scanning as an alternative to this work-around?

It would be good to see Simple as the XML Serialization framework of choice for Google App Engine projects!

I would be happy to contribute changes if you think this would be appropriate.

Jeremy.

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Re: Convert Java objects to Strings

2009-11-07T18:35:19Z

Sorry that I confused with the 'equals' but despite my hokey description you have given me the answer on how to convert my Java objects to XML in String form. Many thanks.

Quirino Zagarese-2 wrote:

Hi,
if I got what you want to do, I guess you have to override the equals
method.

//in class Address
public boolean equals(Object o) {
if (!(o instanceof String)) {
return false;
}else{
String xml = (String) o;
String thisXml = null;
Serializer serializer = new Persister();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
try {
serializer.write(this, stream);
} catch (Exception e) {
e.printStackTrace();
}
thisXml = stream.toString();
return thisXml.equals(xml);
}
}

Obviously you have to use Simple annotations on classes' fields or getters
as described in the
tutorial<http://simple.sourceforge.net/download/stream/doc/tutorial/tutorial.php>
.
Hope this helps!

2009/11/7 Keith Thomas <keith.thomas@gmail.com>

>
> I am looking for a tidy way to persist my Java objects in HBase without
> resorting to serializing objects. Simple seems to have great possibilities
> for me. The HBase api I am using is here if you are interested,
> http://hadoop.apache.org/hbase/docs/current/api/index.html
> As you can see I need to add my data as byte arrays. To achieve this I am
> trying to do the following,
>
> 1. Use Simple to convert my Java classes to XML Strings,
> e.g. assert myAddress.equals("<address><street>7 Hillcrest
> Rd</street><city>Bristol</city></address>")
> 2. Convert the Strings containing XML to byte arrays
> 3. Put the byte arrays in my HBase database
>
> Steps 2 & 3 are easy for me but I am stuck at Step 1, how to create a
> String
> containing an XML respresentation of my object. Any suggestions helping to
> achieve this would be greatly appreciated.
>
> Many thanks.
> --
> View this message in context:
> http://old.nabble.com/Convert-Java-objects-to-Strings-tp26235457p26235457.html
> Sent from the Simple XML Serialization mailing list archive at Nabble.com.
>
>
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Simple-support mailing list
> Simple-support@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/simple-support
>

--
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Italian OpenLaszlo Community - www.laszloitalia.org

EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com

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Re: Convert Java objects to Strings

2009-11-07T07:29:55Z

Hi,
if I got what you want to do, I guess you have to override the equals method.

//in class Address
public boolean equals(Object o) {
        if (!(o instanceof String)) {
            return false;
        }else{
            String xml = (String) o;
            String thisXml = null;
            Serializer serializer = new Persister();
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            try {
                serializer.write(this, stream);
            } catch (Exception e) {
                e.printStackTrace();
            }
            thisXml = stream.toString();
            return thisXml.equals(xml);
        }
    }

Obviously you have to use Simple annotations on classes' fields or getters as described in the tutorial.
Hope this helps!

2009/11/7 Keith Thomas <keith.thomas@...>

I am looking for a tidy way to persist my Java objects in HBase without
resorting to serializing objects. Simple seems to have great possibilities
for me. The HBase api I am using is here if you are interested,
http://hadoop.apache.org/hbase/docs/current/api/index.html
As you can see I need to add my data as byte arrays. To achieve this I am
trying to do the following,

1. Use Simple to convert my Java classes to XML Strings,
e.g. assert myAddress.equals("<address><street>7 Hillcrest
Rd</street><city>Bristol</city></address>")
2. Convert the Strings containing XML to byte arrays
3. Put the byte arrays in my HBase database

Steps 2 & 3 are easy for me but I am stuck at Step 1, how to create a String
containing an XML respresentation of my object. Any suggestions helping to
achieve this would be greatly appreciated.

Many thanks.
--
View this message in context: http://old.nabble.com/Convert-Java-objects-to-Strings-tp26235457p26235457.html
Sent from the Simple XML Serialization mailing list archive at Nabble.com.

------------------------------------------------------------------------------
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trial. Simplify your report design, integration and deployment - and focus on
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Convert Java objects to Strings

2009-11-06T18:18:11Z

I am looking for a tidy way to persist my Java objects in HBase without resorting to serializing objects. Simple seems to have great possibilities for me. The HBase api I am using is here if you are interested,
http://hadoop.apache.org/hbase/docs/current/api/index.html
As you can see I need to add my data as byte arrays. To achieve this I am trying to do the following,

1. Use Simple to convert my Java classes to XML Strings,
e.g. assert myAddress.equals("<address><street>7 Hillcrest Rd</street><city>Bristol</city></address>")
2. Convert the Strings containing XML to byte arrays
3. Put the byte arrays in my HBase database

Steps 2 & 3 are easy for me but I am stuck at Step 1, how to create a String containing an XML respresentation of my object. Any suggestions helping to achieve this would be greatly appreciated.

Many thanks.

Parsing JavaBean to XML and Viceversa

2009-11-03T20:18:03Z

Hi Friends,
I need to parse JavaBean to XML and XML to JavaBean, kindly suggest me the best API to parse

Thanks in Advance
----------------
Siva

Re: Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-10-30T02:18:47Z

Thanks Niall.

Dawid

On Fri, Oct 30, 2009 at 10:04 AM, <niall.gallagher@...> wrote:

> Sounds good, ill add this in.
>
>
> Niall Gallagher
> RBS Global Banking & Markets
> Office: +44 7879498724
>
> -----Original Message-----
> From: Dawid Weiss [mailto:dawid.weiss@...]
> Sent: 29 October 2009 18:36
> To: simple-support@...
> Subject: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.
>
> Hi there,
>
> We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.
>
> We would like to point at one potential issue that could be easily
> fixed: currently, the Persister class forces
> UTF-8 encoding on byte streams, which may not be correct (let's say the XML is provided by users and not generated by SimpleXML). The relevant section of Persister could be easily fixed to rely on the XML parser's character detection and decoding. So:
>
> public <T> T read(Class<? extends T> type, InputStream source) throws Exception {
> - return (T)read(type, source, "utf-8");
> + return (T)read(type, NodeBuilder.read(source));
> }
>
> and then in NodeBuilder add a method that relies on the XML parser's decoding:
>
> + public static InputNode read(InputStream source) throws Exception {
> + return read(factory.createXMLEventReader(source));
> + }
>
> The entire patch against 2.1.4 is attached. We would appreciate if this could be integrated into the next version (or at least if NodeBuilder's read(XMLEventReader) could be made public to allow alternative parsing strategies):
>
> private static InputNode read(XMLEventReader source) throws Exception {
>
> Dawid
>
> ***********************************************************************************
> The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
> Authorised and regulated by the Financial Services Authority.
>
> This e-mail message is confidential and for use by the
> addressee only. If the message is received by anyone other
> than the addressee, please return the message to the sender
> by replying to it and then delete the message from your
> computer. Internet e-mails are not necessarily secure. The
> Royal Bank of Scotland plc does not accept responsibility for
> changes made to this message after it was sent.
>
> Whilst all reasonable care has been taken to avoid the
> transmission of viruses, it is the responsibility of the recipient to
> ensure that the onward transmission, opening or use of this
> message and any attachments will not adversely affect its
> systems or data. No responsibility is accepted by The
> Royal Bank of Scotland plc in this regard and the recipient should carry
> out such virus and other checks as it considers appropriate.
>
> Visit our website at www.rbs.com
>
> ***********************************************************************************
>
>

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Re: Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-10-30T02:04:17Z

Sounds good, ill add this in.

Niall Gallagher
RBS Global Banking & Markets
Office: +44 7879498724

-----Original Message-----
From: Dawid Weiss [mailto:dawid.weiss@...]
Sent: 29 October 2009 18:36
To: simple-support@...
Subject: [Simple-support] Proper parsing of InputStreams with encoding attribute in XML prologue.

Hi there,

We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.

We would like to point at one potential issue that could be easily
fixed: currently, the Persister class forces
UTF-8 encoding on byte streams, which may not be correct (let's say the XML is provided by users and not generated by SimpleXML). The relevant section of Persister could be easily fixed to rely on the XML parser's character detection and decoding. So:

public <T> T read(Class<? extends T> type, InputStream source) throws Exception {
- return (T)read(type, source, "utf-8");
+ return (T)read(type, NodeBuilder.read(source));
}

and then in NodeBuilder add a method that relies on the XML parser's decoding:

+ public static InputNode read(InputStream source) throws Exception {
+ return read(factory.createXMLEventReader(source));
+ }

The entire patch against 2.1.4 is attached. We would appreciate if this could be integrated into the next version (or at least if NodeBuilder's read(XMLEventReader) could be made public to allow alternative parsing strategies):

private static InputNode read(XMLEventReader source) throws Exception {

Dawid

***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB.
Authorised and regulated by the Financial Services Authority.

This e-mail message is confidential and for use by the
addressee only. If the message is received by anyone other
than the addressee, please return the message to the sender
by replying to it and then delete the message from your
computer. Internet e-mails are not necessarily secure. The
Royal Bank of Scotland plc does not accept responsibility for
changes made to this message after it was sent.

Whilst all reasonable care has been taken to avoid the
transmission of viruses, it is the responsibility of the recipient to
ensure that the onward transmission, opening or use of this
message and any attachments will not adversely affect its
systems or data. No responsibility is accepted by The
Royal Bank of Scotland plc in this regard and the recipient should carry
out such virus and other checks as it considers appropriate.

Visit our website at www.rbs.com

***********************************************************************************

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Proper parsing of InputStreams with encoding attribute in XML prologue.

2009-10-29T11:35:42Z

Hi there,

We are using SimpleXML in Carrot2 (Carrot2.org), it's great stuff, thanks.

We would like to point at one potential issue that could be easily
fixed: currently, the Persister class forces
UTF-8 encoding on byte streams, which may not be correct (let's say
the XML is provided by users and not generated by SimpleXML). The
relevant section of Persister could be easily fixed to rely on the XML
parser's character detection and decoding. So:

public <T> T read(Class<? extends T> type, InputStream source)
throws Exception {
- return (T)read(type, source, "utf-8");
+ return (T)read(type, NodeBuilder.read(source));
}

and then in NodeBuilder add a method that relies on the XML parser's decoding:

+ public static InputNode read(InputStream source) throws Exception {
+ return read(factory.createXMLEventReader(source));
+ }

The entire patch against 2.1.4 is attached. We would appreciate if
this could be integrated into the next version (or at least if
NodeBuilder's read(XMLEventReader) could be made public to allow
alternative parsing strategies):

private static InputNode read(XMLEventReader source) throws Exception {

Dawid

[byte-streams.patch]

diff --git a/src/org/simpleframework/xml/core/Persister.java b/src/org/simpleframework/xml/core/Persister.java index 43e2c91..eac218d 100644 --- a/src/org/simpleframework/xml/core/Persister.java +++ b/src/org/simpleframework/xml/core/Persister.java @@ -451,7 +451,7 @@ public class Persister implements Serializer { * @throws Exception if the object cannot be fully deserialized */ public <T> T read(Class<? extends T> type, InputStream source) throws Exception { - return (T)read(type, source, "utf-8"); + return (T)read(type, NodeBuilder.read(source)); } /** @@ -464,6 +464,8 @@ public class Persister implements Serializer { * @param type this is the class type to be deserialized from XML * @param source this provides the source of the XML document * @param charset this is the character set to read the XML with + * (if the encoding is unknown, you should rely on the XML parser + * instead -- see {@link #read(Class, InputStream)}). * * @return the object deserialized from the XML document * diff --git a/src/org/simpleframework/xml/stream/NodeBuilder.java b/src/org/simpleframework/xml/stream/NodeBuilder.java index e855002..238dcad 100644 --- a/src/org/simpleframework/xml/stream/NodeBuilder.java +++ b/src/org/simpleframework/xml/stream/NodeBuilder.java @@ -22,8 +22,7 @@ package org.simpleframework.xml.stream; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLEventReader; -import java.io.Reader; -import java.io.Writer; +import java.io.*; /** * The <code>NodeBuilder</code> object is used to create either an @@ -69,6 +68,19 @@ public final class NodeBuilder { * @param source this contains the contents of the XML source * * @throws Exception thrown if there is an I/O exception + */ + public static InputNode read(InputStream source) throws Exception { + return read(factory.createXMLEventReader(source)); + } + + /** + * This is used to create an <code>InputNode</code> that can be + * used to read XML from the specified reader. The reader will + * be positioned at the root element in the XML document. + * + * @param source this contains the contents of the XML source + * + * @throws Exception thrown if there is an I/O exception */ private static InputNode read(XMLEventReader source) throws Exception { return new NodeReader(source).readRoot();

Re: arraylist of array, how to serialize it

2009-10-21T06:25:58Z

Hi,

There are a few ways you can do this. If bean were a primitive it would work fine, as primitives are serialized with Transform implementations. If you were happy that the bean could be serialized this way, you could implement one. However, I think given it is a bean it would be better to have it serialized as XML elements and attributes. Currently the easiest way to do it is as you have suggested, or use a List<Bean> instead.

Niall

From: Quirino Zagarese [mailto:quirino@...]
Sent: 21 October 2009 14:20
To: Stefano
Cc: simple-support@...
Subject: Re: [Simple-support] arraylist of array, how to serialize it

Hi Stefano,
I guess this is the only way to do that, but I'm not completely sure about it.
I wonder, then, if it could be useful to be able to do something like this:

@ElementList(

innerArray=@ElementArray(type=Bean.class)
)

private List<Bean[]> Buffer = new ArrayList<Bean[]>();

This could be a good way to handle this kind of situations without having to create a wrapping class for the inner collection.
What do you think Niall?
Regards

2009/10/21 Stefano <elstefen@...>

Hi all.
i need to serialize a thing like this:

@ElementList
private List<Bean[]> Buffer = new ArrayList<Bean[]>();

but i can't.

i'd to create another calss to serialize the Bean[] like this:

class arrayBean{
@ElementArray
private Bean[] beans;

and then serialize in this way
@ElementList
private List<arrayBean> Buffer = new ArrayList<arrayBean>();

?
--
Stefano

------------------------------------------------------------------------------
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--
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EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com

***********************************************************************************
The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. 
Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Re: arraylist of array, how to serialize it

2009-10-21T06:19:36Z

Hi Stefano,
I guess this is the only way to do that, but I'm not completely sure about it.
I wonder, then, if it could be useful to be able to do something like this:

@ElementList(

innerArray=@ElementArray(type=Bean.class)
)

2009/10/21 Stefano <elstefen@...>

Hi all.
i need to serialize a thing like this:

@ElementList
private List<Bean[]> Buffer = new ArrayList<Bean[]>();

but i can't.

i'd to create another calss to serialize the Bean[] like this:

class arrayBean{
@ElementArray
private Bean[] beans;

and then serialize in this way
@ElementList
private List<arrayBean> Buffer = new ArrayList<arrayBean>();

?
--
Stefano

------------------------------------------------------------------------------
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--
Quirino Zagarese

Italian OpenLaszlo Community - www.laszloitalia.org

EU4RIA: Laszlo+Java, easily - eu4ria.googlecode.com

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arraylist of array, how to serialize it

2009-10-21T01:22:25Z

Hi all.
i need to serialize a thing like this:

@ElementList
private List<Bean[]> Buffer = new ArrayList<Bean[]>();

but i can't.

i'd to create another calss to serialize the Bean[] like this:

class arrayBean{
@ElementArray
private Bean[] beans;

and then serialize in this way
@ElementList
private List<arrayBean> Buffer = new ArrayList<arrayBean>();

?
--
Stefano

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Re: Serializing to and from Element

2009-10-20T01:29:54Z

Hi,

Niall

From: Rob Griffin [mailto:rob.griffin@...]
Sent: 20 October 2009 01:18
To: simple-support@...
Subject: [Simple-support] Serializing to and from Element

Niall,

We need a way of serializing to and from an Element instead of a steam because we embed our object’s XML inside other XML.

Can Simple do this as it stands?

Thanks,

Rob Griffin

Quest Software

www.quest.com

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Serializing to and from Element

2009-10-19T17:18:25Z

Niall,

We need a way of serializing to and from an Element instead of a steam because we embed our object’s XML inside other XML.

Can Simple do this as it stands?

Thanks,

Rob Griffin

Quest Software

www.quest.com

Re: Problem with length attribute included for array elements

2009-10-19T09:13:59Z

Hi,

Yes, you have a number of options. One is to remove the length attribute from within the Strategy, the other is to use a list instead of an array. This does not have a length= attribute. Note, without the length attribute you can not deserialize an array properly, it may seem like a usless attribute, but its used to deserialize complex object graphs where the array must exist before the object it references.

Niall

Niall Gallagher
RBS Global Banking & Markets
Office: +44 7879498724

From: Vijay Kachhawal [mailto:vijay.kachhawal@...]
Sent: 19 October 2009 17:03
To: simple-support@...
Subject: [Simple-support] Problem with length attribute included for array elements

Hello Support Team,

My application need to handle the XML file reading generated from .NET as well as Java platform. The XML file is uniform for both the platforms.

I developed a java file for performing the reading and writing XML file using java. My java file is having 2 array elements. When I wrote the java object to XML file, I observed that "lenth" attribute is automatically included for the array elements. I am able to read this file correctly using java. But when I tried to read a ".NET" generated xml file using my same java program, I am getting "ArrayIndexOutOfBoundsException". When reviewed the code, found that "length" attribute is missing for array elements. When I explicitly added this attribute for the corresponding elements. the problem was solved. The same problem I also encountered when I deleted the "length" attribute from java generated xml file.

So can anybody help me out how to resolve this issue? I need to read the .NET generated XML file without making any explicit changes i.e. without adding "length" attribute for array elements.

Thanks in advance.

Regards,

Vijay

***********************************************************************************
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Authorised and regulated by the Financial Services Authority. 
 
This e-mail message is confidential and for use by the 
addressee only. If the message is received by anyone other 
than the addressee, please return the message to the sender 
by replying to it and then delete the message from your 
computer. Internet e-mails are not necessarily secure. The 
Royal Bank of Scotland plc does not accept responsibility for 
changes made to this message after it was sent. 

Whilst all reasonable care has been taken to avoid the 
transmission of viruses, it is the responsibility of the recipient to 
ensure that the onward transmission, opening or use of this 
message and any attachments will not adversely affect its 
systems or data. No responsibility is accepted by The 
Royal Bank of Scotland plc in this regard and the recipient should carry 
out such virus and other checks as it considers appropriate. 

Visit our website at www.rbs.com

***********************************************************************************

Problem with length attribute included for array elements

2009-10-19T09:03:29Z

Hello Support Team,

My application need to handle the XML file reading generated from .NET as well as Java platform. The XML file is uniform for both the platforms.

So can anybody help me out how to resolve this issue? I need to read the .NET generated XML file without making any explicit changes i.e. without adding "length" attribute for array elements.

Thanks in advance.

Regards,

Vijay

(De)serialising classes conforming to an interface

2009-10-19T07:30:28Z

Hi,

I've got some stuff that looks like:

interface I {
}

class A implements I {
}

class B implements I {
}

I'd like to be able to have a file containing an I, and then load it
in without having to know if it is an A or a B.

Currently if I serialise an A, I get
<a> ... </a>

If I try:
persister.read( I.class, file )

it says it cannon instantiate I

However, if I manually change the xml to be:
...

Then it works happily.

This seems very much like the behaviour for collections. Is there any
way to specify this for single objects? i.e. to ask that when it is
serialised, it is as the interface, with the class appended?

I realise on thinking about it that it's probably often bad design to
put this in the class (especially if it could implement several
interfaces etc.). But is there a way to ask the persister to serialise
based on a certain interface?

Thanks,
dave

--
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Scotland, with registration number SC005336.

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Re: How to represent nodes that have same element name, but different structure

2009-10-17T06:04:20Z

Hi,

I think you would need two classes to do this with Simple currently. Free text in the body can be done with the @Text annotation, however it can not be combined with the @Element annotation. You could do it with some hacking in the Strategy, but it would not be very nice.

Niall

--- On Sat, 10/17/09, Andy Barlow [Deftex] <andy.barlow@...> wrote:

From: Andy Barlow [Deftex] <andy.barlow@...>
Subject: [Simple-support] How to represent nodes that have same element name, but different structure
To: simple-support@...
Date: Saturday, October 17, 2009, 3:20 AM

I've looked through the Tutorials and found no obvious answer to this.

I use an SMS provider which has a RESTful API for sending text and voice SMS messages.

The XML posted differs as follows, depending on the type of SMS you want to send:

An example voice send would look something like:

<?xml version='1.0' encoding='UTF-8'?>

<message>

<to>0123456789</to>

<type>Voice</type>

<body>

<lang>en-GB</lang>

<text>This is a Voice message</text>

</body>

</message>

An example SMS send would look something like:

<?xml version='1.0' encoding='UTF-8'?>

<message>

<to>0123456789</to>

<type>SMS</type>

<body>

This is a SMS message

</body>

</message>

In the Voice SMS XML, the <body> element contains two child elements: in the text XML, it just contains text.

How could this be represented in a single Java class, given the <body> element differs depending on the type?

Whilst I could see how you could put this into two classes and get the serialised result (XML) you wanted, how would you know how to deserialise it out of the XML without knowing in advance which type of message you were dealing with?

I'm new to this, so please forgive me if there is an obvious answer in the online documentation!

Regards,
Andy Barlow

The information in this email or facsimile is confidential and is intended solely for the addressee(s) and access to this email or facsimile by anyone else is unauthorised. If you are not the intended recipient then any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. Information expressed in this email or facsimile is not given or endorsed by my firm or employer unless otherwise indicated by an authorised representative independent of this message.

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Re: Support for polymorphism/inheritance

2009-10-17T05:56:50Z

Hi,

I think this can be done, in fact I took a look at this recently. I hope I can release a version that makes this easy to do shortly. Perhaps in the next release, which should be a couple of weeks.

Niall

--- On Sat, 10/17/09, Andy Barlow [Deftex] <andy.barlow@...> wrote:

From: Andy Barlow [Deftex] <andy.barlow@...>
Subject: [Simple-support] Support for polymorphism/inheritance
To: simple-support@...
Date: Saturday, October 17, 2009, 2:19 AM

I read with interest the following message in the archive:

https://sourceforge.net/mailarchive/message.php?msg_name=4ABD3696.9080107%40mail.usask.ca

I am encountering a similar issue and wondered if there was a task on the Simple XML roadmap to tackle polymorphism/inheritance.

Simply put:

i) Say you have a parent class or interface called Task

ii) You have two classes ThisTask and ThatTask that either extent the class or implement the interface

iii) In another class I have a ListofTasks which is a List<Task>, and that list can (of course) contain any number of ThisTask's and ThatTask's in any order (not too bothered about the order, as I understand XML parsers cannot guarantee node ordering)

What I'd LIKE to see in the XML when serialised is something like:

<ListofTasks>

<ThisTask/>

<ThatTask/>

<ThisTask/>

<ThisTask/>

<ThatTask/>

<ThatTask/>

<ThatTask/>

</ListofTasks>

What I actually get is

<ListofTasks>

<Task class="ThisTask"/>

<Task class="ThatTask"/>

<Task class="ThisTask"/>

<Task class="ThisTask"/>

<Task class="ThatTask"/>

<Task class="ThatTask"/>

<Task class="ThatTask"/>

</ListofTasks>

Since I'm working from the XML as a master (the actual XML is more complicated than this, but I've simplified to illustrate the issue), I currently have no choice but to change the structure of the top-level class, so instead of:

List<Task> tasks = ArrayList<Task>();

I have to have a member variable for each type of task:

List<ThisTask> thisTasks = ArrayList<ThisTask>();

List<ThatTask> thatTasks = ArrayList<ThatTask>();

so I when I deserialise and then serialise the XML is the same.

I saw a reply from Niall mentioning how this could be resolved.

Is this on the roadmap and is there a timeline?

Regards,
Andy Barlow

The information in this email or facsimile is confidential and is intended solely for the addressee(s) and access to this email or facsimile by anyone else is unauthorised. If you are not the intended recipient then any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. Information expressed in this email or facsimile is not given or endorsed by my firm or employer unless otherwise indicated by an authorised representative independent of this message.

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Re: Dyanmic XML Tag name

2009-10-17T05:49:46Z

Hi,

Ya, you can do this

public class MyEntry implements Entry{

@Element String name

@Element int age;

@Element String designation;

public String getName() {

return name;

}

Then annotate like so.

@ElementList(entry="row", inline = true)

public Dictionary<Entry> list

The org.simpleframework.xml.util.Dictionary object is a list that can get entry object using the entry name, via getEntry. Its like a map. If this is not suitable. Then just use any collection of your choice. And provide a typed object as the entry. This will give you the desired XML.

Niall

--- On Wed, 10/14/09, Donzil Pinto <dpinto@...> wrote:

From: Donzil Pinto <dpinto@...>
Subject: [Simple-support] Dyanmic XML Tag name
To: simple-support@...
Date: Wednesday, October 14, 2009, 6:11 AM

Hi

We have been using Simple for XML serialization.
In one of our requirements, we need to create an xml file of the data fetched from a table.

For e.g.
A table with name “EMP_DET” has 3 columns (Name, Age, Designation).

The resulting xml file should be as follows
…
<row>
 <Name>John Doe</Name>
 <Age>31</Age>
 <Designation>Manager</Designation>
</row>
….

On using

@ElementMap(inline=true, attribute=false)
private Map<String, String> Columns;

We are getting the output as follows
…
<row>
 <entry>
 <String>Name</ String >
 < String >John Doe</ String >
</entry>
 <entry>
 <String>Age</ String >
 < String >31</ String >
</entry>
 <entry>
 <String> Designation </ String >
 < String > Manager </ String >
</entry>
</row>
….

Appreciate if you can let us know of any approach that will help to get the desired XML output.

Regards
______________________________________________________________________________________
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How to represent nodes that have same element name, but different structure

2009-10-17T03:20:52Z

I've looked through the Tutorials and found no obvious answer to this.

I use an SMS provider which has a RESTful API for sending text and voice SMS messages.

The XML posted differs as follows, depending on the type of SMS you want to send:

An example voice send would look something like:

<?xml version='1.0' encoding='UTF-8'?>

<type>Voice</type>

<body>

<text>This is a Voice message</text>

</body>

</message>

An example SMS send would look something like:

<?xml version='1.0' encoding='UTF-8'?>

<body>

This is a SMS message

</body>

</message>

In the Voice SMS XML, the <body> element contains two child elements: in the text XML, it just contains text.

How could this be represented in a single Java class, given the <body> element differs depending on the type?

Whilst I could see how you could put this into two classes and get the serialised result (XML) you wanted, how would you know how to deserialise it out of the XML without knowing in advance which type of message you were dealing with?

I'm new to this, so please forgive me if there is an obvious answer in the online documentation!

Regards,
Andy Barlow

The information in this email or facsimile is confidential and is intended solely for the addressee(s) and access to this email or facsimile by anyone else is unauthorised. If you are not the intended recipient then any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. Information expressed in this email or facsimile is not given or endorsed by my firm or employer unless otherwise indicated by an authorised representative independent of this message.

Deftex Limited	Computer Consultancy

Andy Barlow MBCS CENG EURING CITP	Deftex Limited
Consultant	High Riding
	Richmond
	North Yorkshire
	DL10 5BN
	skype: andybarlow285

andy.barlow@...	tel: +44 (0)208 123 6285
http://www.deftex.co.uk	mobile: +44 (0)7830 302 268