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Force an element to be marshalled
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Force an element to be marshalled
by August Detlefsen
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Is there any way to force an element to be marshalled to XML even if the field in the Java object is null or empty?
I am marshalling XML to a remote web service that requires a CostCenter field in the XML, even if that field is null. Here is an example of the XML that is being produced: <?xml version="1.0" encoding="UTF-8"?> <Order> <LineItem><ItemNumber>124029</ItemNumber><ItemQty>1</ItemQty><CostCenter>1234567.1234.123</CostCenter></LineItem> <LineItem><ItemNumber>122094</ItemNumber><ItemQty>1</ItemQty></LineItem> <LineItem><ItemNumber>119106</ItemNumber><ItemQty>1</ItemQty></LineItem> <LineItem><ItemNumber>119105</ItemNumber><ItemQty>1</ItemQty></LineItem> </Order> Only the first <LineItem> includes the <CostCenter> element, but I need all of them to include it, even if it is an empty item i.e. <CostCenter></CostCenter> __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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Re: Force an element to be marshalled
by Werner Guttmann
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Hi August,
if the following is an option to you, yes there is .... <LineItem> <ItemNumber>124029</ItemNumber> <ItemQty>1</ItemQty> <CostCenter xsi:nil=true" /> </LineItem> Werner August Detlefsen wrote: > Is there any way to force an element to be marshalled to XML even if the field in the Java object is null or empty? > > I am marshalling XML to a remote web service that requires a CostCenter field in the XML, even if that field is null. Here is an example of the XML that is being produced: > > <?xml version="1.0" encoding="UTF-8"?> > <Order> > <LineItem><ItemNumber>124029</ItemNumber><ItemQty>1</ItemQty><CostCenter>1234567.1234.123</CostCenter></LineItem> > <LineItem><ItemNumber>122094</ItemNumber><ItemQty>1</ItemQty></LineItem> > <LineItem><ItemNumber>119106</ItemNumber><ItemQty>1</ItemQty></LineItem> > <LineItem><ItemNumber>119105</ItemNumber><ItemQty>1</ItemQty></LineItem> > </Order> > > Only the first <LineItem> includes the <CostCenter> element, but I need all of them to include it, even if it is an empty item i.e. <CostCenter></CostCenter> > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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Re: Force an element to be marshalled
by August Detlefsen
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I don't think the legacy system at the other end can handle elements like that. I actually solved the problem by forcing the value of the CostCenter field to be not-null in the Java Object. If you try to set the field to null, it uses "" instead:
protected String costCenter = ""; public void setCostCenter(String newValue) { costCenter = (newValue == null) ? "" : newValue; } ----- Original Message ---- From: Werner Guttmann <werner.guttmann@...> To: dev@... Sent: Wed, October 14, 2009 4:04:20 AM Subject: Re: [castor-dev] Force an element to be marshalled Hi August, if the following is an option to you, yes there is .... <LineItem> <ItemNumber>124029</ItemNumber> <ItemQty>1</ItemQty> <CostCenter xsi:nil=true" /> </LineItem> Werner August Detlefsen wrote: > Is there any way to force an element to be marshalled to XML even if the field in the Java object is null or empty? > > I am marshalling XML to a remote web service that requires a CostCenter field in the XML, even if that field is null. Here is an example of the XML that is being produced: > > <?xml version="1.0" encoding="UTF-8"?> > <Order> > <LineItem><ItemNumber>124029</ItemNumber><ItemQty>1</ItemQty><CostCenter>1234567.1234.123</CostCenter></LineItem> > <LineItem><ItemNumber>122094</ItemNumber><ItemQty>1</ItemQty></LineItem> > <LineItem><ItemNumber>119106</ItemNumber><ItemQty>1</ItemQty></LineItem> > <LineItem><ItemNumber>119105</ItemNumber><ItemQty>1</ItemQty></LineItem> > </Order> > > Only the first <LineItem> includes the <CostCenter> element, but I need all of them to include it, even if it is an empty item i.e. <CostCenter></CostCenter> > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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Re: Force an element to be marshalled
by Werner Guttmann-6
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Hi August,
remember that you can always use a FieldHandler in order not to clutter your POPOs. Cheers Werner PS I think that you could have tried to suppress output of 'xsi:' statements as well when marshalling, but it looks like you found a solution. August Detlefsen wrote: > I don't think the legacy system at the other end can handle elements like that. I actually solved the problem by forcing the value of the CostCenter field to be not-null in the Java Object. If you try to set the field to null, it uses "" instead: > > protected String costCenter = ""; > > public void setCostCenter(String newValue) { > costCenter = (newValue == null) ? "" : newValue; > } > > > > > > ----- Original Message ---- > From: Werner Guttmann <werner.guttmann@...> > To: dev@... > Sent: Wed, October 14, 2009 4:04:20 AM > Subject: Re: [castor-dev] Force an element to be marshalled > > Hi August, > > if the following is an option to you, yes there is .... > > <LineItem> > <ItemNumber>124029</ItemNumber> > <ItemQty>1</ItemQty> > <CostCenter xsi:nil=true" /> > </LineItem> > > Werner > > August Detlefsen wrote: >> Is there any way to force an element to be marshalled to XML even if the field in the Java object is null or empty? >> >> I am marshalling XML to a remote web service that requires a CostCenter field in the XML, even if that field is null. Here is an example of the XML that is being produced: >> >> <?xml version="1.0" encoding="UTF-8"?> >> <Order> >> <LineItem><ItemNumber>124029</ItemNumber><ItemQty>1</ItemQty><CostCenter>1234567.1234.123</CostCenter></LineItem> >> <LineItem><ItemNumber>122094</ItemNumber><ItemQty>1</ItemQty></LineItem> >> <LineItem><ItemNumber>119106</ItemNumber><ItemQty>1</ItemQty></LineItem> >> <LineItem><ItemNumber>119105</ItemNumber><ItemQty>1</ItemQty></LineItem> >> </Order> >> >> Only the first <LineItem> includes the <CostCenter> element, but I need all of them to include it, even if it is an empty item i.e. <CostCenter></CostCenter> >> >> __________________________________________________ >> Do You Yahoo!? >> Tired of spam? Yahoo! Mail has the best spam protection around >> http://mail.yahoo.com >> >> --------------------------------------------------------------------- >> To unsubscribe from this list, please visit: >> >> http://xircles.codehaus.org/manage_email >> >> > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > --------------------------------------------------------------------- > To unsubscribe from this list, please visit: > > http://xircles.codehaus.org/manage_email > > --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email |
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