Nabble - CheckStyle

[ checkstyle-Patches-2895985 ] MultipleVariableDeclarations: filter warnings in 'for' block

2009-11-11T06:59:02Z

Patches item #2895985, was opened at 2009-11-11 09:59
Message generated for change (Tracker Item Submitted) made by hwaite
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Hollis Waite (hwaite)
Assigned to: Nobody/Anonymous (nobody)
Summary: MultipleVariableDeclarations: filter warnings in 'for' block

Initial Comment:
Multiple declarations within a 'for' statement is the cleanest way to minimize scope of a variable that must persist throughout multiple loops. The 'MultipleVariableDeclarations' check should allow filtering of warnings for this idiom.

Example:
for (int i = 0, j = 1; i < 10; i++)

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From forum: CheckStyle - Dev

[ checkstyle-Patches-2893581 ] Fix naming checks bugs pertaining to access control

2009-11-10T11:08:43Z

Patches item #2893581, was opened at 2009-11-06 21:53
Message generated for change (Comment added) made by shmckay
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Steve McKay (shmckay)
Assigned to: Nobody/Anonymous (nobody)
Summary: Fix naming checks bugs pertaining to access control

Initial Comment:
Several of the naming checks aren't correctly utilizing the access control tuning features of AbstractAccessControlNameCheck. This patch updates the tests to catch the problems and fixes the naming checks.

----------------------------------------------------------------------

Comment By: Steve McKay (shmckay)
Date: 2009-11-10 19:08

Message:
FYI, this is basically a followup to patch: 1892253

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From forum: CheckStyle - Dev

[ checkstyle-Patches-2893581 ] Fix naming checks bugs pertaining to access control

2009-11-06T13:53:35Z

Patches item #2893581, was opened at 2009-11-06 21:53
Message generated for change (Tracker Item Submitted) made by shmckay
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Steve McKay (shmckay)
Assigned to: Nobody/Anonymous (nobody)
Summary: Fix naming checks bugs pertaining to access control

Initial Comment:
Several of the naming checks aren't correctly utilizing the access control tuning features of AbstractAccessControlNameCheck. This patch updates the tests to catch the problems and fixes the naming checks.

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From forum: CheckStyle - Dev

To report only new errors from Checkstyle using cruise control -

2009-11-04T02:29:14Z

We run checkstyle as part of our daily cruise control build. Our application source spans approximately 900 Java files, which have been maintained since multiple years.

At the current state the java files have multiple Checkstyle errors in them (To the state of 1000 or more errors).

We need to configure Checkstyle in such a way, so as only newly introduced errors are reported, whenever cruise control build is executed.

Please advise if Cruise Control / Checktryle can be configured in a way to report the errors which have been add as part of last modification / check in into CVS.

Thanks & Regards,
SPAUL

From forum: CheckStyle - Dev

Apply checkstyle to custom checks

2009-11-03T10:50:00Z

I am using the Maven Checkstyle plugin to apply Checkstyle to our code.

I have a custom configuration file packaged inside a Jar file and the Maven plugin is configured to depend on this jar file and hence pick up this custom config. This works fine.

However we now have some custom coded checks to extend Checkstyle. Currently these checks are being built and packaged into the same Jar file as the custom configuration file all as part of a single Maven jar project.

These custom checks work fine when applied to all other projects.

But we are having some trouble applying them to our custom coded checks. Basically the way Maven builds the project, it runs the Checkstyle check before it publishes the custom settings/checks jar to the local repository. This means that when the Checkstyle check is run, Maven picks up the latest version in the local repository, which will not match any changes we have just made. The end result is that our own custom checks are being checked against a configuration that is at least one version behind the latest.

Does anyone have a suggestion on how to better structure this Maven project so that we can make changes to the custom config file, or the custom coded checks and have those changes be immediately applied to the same project in the very next build? Perhaps some kind of multi-module setup, or maybe delaying the "check" goal until later in the build life cycle?

We have not written any custom PMD checks, but if we did, this same problem would crop up there as well (ie. trying to apply custom PMD settings to your own PMD custom checks).

Thanks

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Software Engineering Manager
Behr Process Corporation
Santa Ana, California

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From forum: CheckStyle - User

[ checkstyle-Patches-2891032 ] Wildcard group support for ImportOrderCheck

2009-11-02T17:29:36Z

Patches item #2891032, was opened at 2009-11-03 01:23
Message generated for change (Comment added) made by shmckay
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Steve McKay (shmckay)
Assigned to: Nobody/Anonymous (nobody)
Summary: Wildcard group support for ImportOrderCheck

Initial Comment:
Adds support for a wildcard groups.

----------------------------------------------------------------------

>Comment By: Steve McKay (shmckay)
Date: 2009-11-03 01:29

Message:
Maybe a little more information is in order. Google likes things ordered as
follows:

com.google
*
java
javax

This patch adds support for a wildcard group named "*" that let's the user
specify where the previously implicit "other" group goes.

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From forum: CheckStyle - Dev

[ checkstyle-Patches-2891032 ] Wildcard group support for ImportOrderCheck

2009-11-02T17:23:02Z

Patches item #2891032, was opened at 2009-11-03 01:23
Message generated for change (Tracker Item Submitted) made by shmckay
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Steve McKay (shmckay)
Assigned to: Nobody/Anonymous (nobody)
Summary: Wildcard group support for ImportOrderCheck

Initial Comment:
Adds support for a wildcard groups.

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From forum: CheckStyle - Dev

Re: Security ruleset to plugin?

2009-10-31T01:57:03Z

I do not know of anything such as this.

If I was to implement this kind of thing, I would recommend using something like FindBugs/ASM to have access to the required detailed type information.

On Sat, Oct 31, 2009 at 07:41, John Towell <jtowell@...> wrote:

I was wondering if anyone knew of a security ruleset to plugin to CheckStyle? We are looking for something similar to this project

http://suif.stanford.edu/~livshits/work/lapse/

Although this project seems to have been abandoned. Let me know if you have any information in this area.

Thanks,

-John Towell

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From forum: CheckStyle - User

Security ruleset to plugin?

2009-10-30T13:41:46Z

I was wondering if anyone knew of a security ruleset to plugin to CheckStyle? We are looking for something similar to this project

http://suif.stanford.edu/~livshits/work/lapse/

Although this project seems to have been abandoned. Let me know if you have any information in this area.

Thanks,

-John Towell

From forum: CheckStyle - User

[ checkstyle-Bugs-2010652 ] arrays and incorrect indentation

2009-10-29T03:23:18Z

Bugs item #2010652, was opened at 2008-07-04 22:31
Message generated for change (Comment added) made by xmlman
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Category: None
Group: release 4.4
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: feniks (feniks007)
Assigned to: Nobody/Anonymous (nobody)
Summary: arrays and incorrect indentation

Initial Comment:
Hello,

I think there is a problem with the Indentation test when using arrays.
The following line gives a problem (see attachment for complete code example):

test.getArrayOfStrings()[0] = "A string";

I'm using the Eclipse checkstyle plugin, but that imo just a gui for checkstyle, and the problem is in checkstyle itself.

Under Miscellaneous -> Indentation, I use the default check (basicOffset=4, braceAdjustment=0, caseInd=4).

When the line is indented on 8 positions (what we use) I get this message:
Indentation: method call child at indentation level 8 not at correct indentation, 12
If I indent it at 12 position, I get another message:
Indentation: method def child at indentation level 12 not at correct indentation, 8

There does not seem to be any way to validate the line, so I think this is a bug.

----------------------------------------------------------------------

Comment By: Kyung Tae Kang (xmlman)
Date: 2009-10-29 19:23

Message:
Hi.
I resolved the above method call's indentation bug.
This bug happens because there is a collision between Method Call's
Indentation and Assingment Indentation.
Our companay uses Checkstyle 4.4. So if you use Checkstyle 4.4 I can send
checkstyle-all-4.4.jar or checkstyle-4.4.jar.

----------------------------------------------------------------------

Comment By: feniks (feniks007)
Date: 2008-11-07 23:54

Message:
File Added: IndentProblem.java

----------------------------------------------------------------------

Comment By: feniks (feniks007)
Date: 2008-11-07 23:52

Message:
In fact it's not only when using arrays the same type of problem can occur
with simple classes.
I'll attach another file that proves this.

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2716908 ] JavadocStyle: Pbl. with "unclosed" tags

2009-10-21T08:14:27Z

Bugs item #2716908, was opened at 2009-03-27 14:23
Message generated for change (Comment added) made by rakus
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Category: None
Group: release 5.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ralf (rakus)
Assigned to: Nobody/Anonymous (nobody)
>Summary: JavadocStyle: Pbl. with "unclosed" tags

Initial Comment:
Something is wrong with the JavadocStyleCheck regarding unclosed HTML-tags.

/**
* Test.
*
* 
* FALSE POSITIVE: {@code List}. {@literal List<pre>}
* 
* 
* MISSED: List<Long>
* 
* 
* OK: {@code List<String>}.
* 
* 
* UNCLOSED: bold
* 
*/

FALSE POSITIVE: Text inside {@code } and {@literal } must not be treated as HTML. (also see bug 1524767)

MISSED: If you generate Javadoc from the comment, <Long> will be copied verbatim to the output html file.
In Firefox, IE or the Javadoc-Preview of Eclipse the unknown Tag <Long> will not be displayed.
So this should be reported by checkstyle.

OK: I guess this is only accepted, as "String" is not a valid HTML tag.

UNCLOSED: correctly detected

It looks like JavadocStyle only reports tags as unclosed, if they are known HTML tags.

----------------------------------------------------------------------

>Comment By: Ralf (rakus)
Date: 2009-10-21 17:14

Message:
Removed "(5.0-beta2)" from Summary, as this problem could be reproduced in
5.0 release also.

----------------------------------------------------------------------

Comment By: Ralf (rakus)
Date: 2009-10-21 17:12

Message:
Well, here is another false positive:
/*
* Unterlined
* font
* <var>variable</var>
*/

----------------------------------------------------------------------

Comment By: Ralf (rakus)
Date: 2009-04-06 11:52

Message:
Here is another false positive:

/*
* Test.
* <dl>
* <dt>Key</dt>
* <dd>Description</dd>
* <dt>Msg</dt>
* <dd>Description</dd>
* </dl>
*/

For every </dt> and </dd> the JavadocStyleCheck reports "Extra HTML tag
found".

Also no closing tag for <dt> and <dd> is required, it is no error to
provide one. I even think it is good practice to provide closing tags in
such situations.

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2716908 ] JavadocStyle: Pbl. with "unclosed" tags (5.0-beta2)

2009-10-21T08:12:47Z

Bugs item #2716908, was opened at 2009-03-27 14:23
Message generated for change (Comment added) made by rakus
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Category: None
Group: release 5.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ralf (rakus)
Assigned to: Nobody/Anonymous (nobody)
Summary: JavadocStyle: Pbl. with "unclosed" tags (5.0-beta2)

Initial Comment:
Something is wrong with the JavadocStyleCheck regarding unclosed HTML-tags.

/**
* Test.
*
* 
* FALSE POSITIVE: {@code List}. {@literal List<pre>}
* 
* 
* MISSED: List<Long>
* 
* 
* OK: {@code List<String>}.
* 
* 
* UNCLOSED: bold
* 
*/

FALSE POSITIVE: Text inside {@code } and {@literal } must not be treated as HTML. (also see bug 1524767)

MISSED: If you generate Javadoc from the comment, <Long> will be copied verbatim to the output html file.
In Firefox, IE or the Javadoc-Preview of Eclipse the unknown Tag <Long> will not be displayed.
So this should be reported by checkstyle.

OK: I guess this is only accepted, as "String" is not a valid HTML tag.

UNCLOSED: correctly detected

It looks like JavadocStyle only reports tags as unclosed, if they are known HTML tags.

----------------------------------------------------------------------

>Comment By: Ralf (rakus)
Date: 2009-10-21 17:12

Message:
Well, here is another false positive:
/*
* Unterlined
* font
* <var>variable</var>
*/

----------------------------------------------------------------------

Comment By: Ralf (rakus)
Date: 2009-04-06 11:52

Message:
Here is another false positive:

/*
* Test.
* <dl>
* <dt>Key</dt>
* <dd>Description</dd>
* <dt>Msg</dt>
* <dd>Description</dd>
* </dl>
*/

For every </dt> and </dd> the JavadocStyleCheck reports "Extra HTML tag
found".

Also no closing tag for <dt> and <dd> is required, it is no error to
provide one. I even think it is good practice to provide closing tags in
such situations.

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2777291 ] unable to load class info when inner class in super class

2009-10-20T09:09:52Z

Bugs item #2777291, was opened at 2009-04-21 09:49
Message generated for change (Comment added) made by mihobson
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Category: None
Group: release 5.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Conny K. (krappatsch)
Assigned to: Nobody/Anonymous (nobody)
Summary: unable to load class info when inner class in super class

Initial Comment:
Hello,

I know there have been lots of similar issues and I've read most (if not all) of them. But still something seems to be wrong.

We have a class A with an Exception E declared as public static inner class. Then we have a class B derived from class A with a method m throwing E. If we now use @throw tag in the javadoc of m, we get the "unable to load class information" error (in fact we get the german version "Klassen-Information für E nicht verfügbar.")

An @throw tag in the javadoc of a similar method in A does not cause any Problems.

We use Checkstyle 4.3. I also tried 4.4 and 5.0 - all the same.

Example:

Class A:

public class A
{
/**
* @throws E no problem here
*/
public synchronized void m1() throws E
{
throw new E("just a demo");
}

public static class E extends Exception
{
public E(String message)
{
super(message);
}
}
}

Class B:

public class B extends A
{
/**
* @throws E THIS CAUSES THE PROBLEM
*/
public synchronized void m() throws E
{
throw new E("just a demo");
}
}

Checkstyle configuration:
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
"-//Puppy Crawl//DTD Check Configuration 1.2//EN"
"http://www.puppycrawl.com/dtds/configuration_1_2.dtd">

<module name="Checker">
<module name="TreeWalker">
<module name="RedundantThrows"/>
</module>
</module>

regards,
Conny

----------------------------------------------------------------------

Comment By: Mark Hobson (mihobson)
Date: 2009-10-20 16:09

Message:
I've experienced this in 5.0 even without subclassing. For example:

public interface Foo {
public static class FooException extends Exception {
}
void bar() throws FooException;
}

With config:

<module name="Checker">
<module name="TreeWalker">
<module name="RedundantThrows"/>
</module>
</module>

Produces: "java.lang.RuntimeException: Unable to get class information for
FooException."

Looks like a regression as this bug has been reported and fixed for
earlier versions (1220726), possibly introduced by the fix for 1379666. A
quick run through the debugger shows that RedundantThrowsCheck is missing
its current class name, so inner classes cannot be resolved.

A workaround is to declare the exception using the outer class, e.g.:

public interface Foo {
public static class FooException extends Exception {
}
void bar() throws Foo.FooException;
}

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2882261 ] Custom javadoc tags in type javadoc stop checkstyle

2009-10-20T03:13:54Z

Bugs item #2882261, was opened at 2009-10-20 12:13
Message generated for change (Tracker Item Submitted) made by swisswheel
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Category: Core Framework
Group: release 5.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Martin Zeltner (swisswheel)
Assigned to: Oliver Burn (oburn)
Summary: Custom javadoc tags in type javadoc stop checkstyle

Initial Comment:
I refer here to the closed but not fixed issue 2791544, due this issue has been closed by an unfriendly robot...
+++++++++++++
I use a taglets library for a variety of additional tags. Whenever
checkstyle encounters one of these in the type javadocs (but not in the
method javadocs apparently), it outputs an exception and stops checking
that class.

The message is:
Got an exception - java.lang.IllegalArgumentException: the name [warning]
is not a valid Javadoc tag name

I fixed it by catching and ignoring the IllegalArgumentException in
JavadocTypeCheck.java line 221.

A better method might be for checkstyle to provide a way for users to list
their doclet or taglet libraries, so that these can be skipped.

Test.java
----------------
/**
* @mytag Hello
*/
public class Test {

}

--------------
checkstyle config
--------------
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
<property name="severity" value="warning"/>
<module name="TreeWalker">
<module name="JavadocType"/>
</module>
</module>

Could you please solve that issue and for example provide a version 5.0.1?

Cheers
Martin

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2879752 ] HideUtilityClassConstructor for private inner classes

2009-10-15T02:38:13Z

Bugs item #2879752, was opened at 2009-10-15 09:38
Message generated for change (Tracker Item Submitted) made by d_gruntz
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Category: Core Framework
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Dominik Gruntz (d_gruntz)
Assigned to: Oliver Burn (oburn)
Summary: HideUtilityClassConstructor for private inner classes

Initial Comment:
On the following example HideUtilityClassConstructor complains that the utility class Holder should not have a public or default constructor.

public class C {
private static class Holder {
private int x;
}
}

By default, the inner static class Holder has a private default constructor. It has neither a public nor a package visible constructor, therefore I did not expect a warning of HideUtilityClassConstructor on this class.

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From forum: CheckStyle - Dev

[ checkstyle-Feature Requests-2874596 ] Cannot target method return type with SuppressWarnings check

2009-10-12T06:35:58Z

Feature Requests item #2874596, was opened at 2009-10-08 09:49
Message generated for change (Settings changed) made by mihobson
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Category: Check
Group: None
>Status: Closed
Priority: 5
Private: No
Submitted By: Mark Hobson (mihobson)
Assigned to: Nobody/Anonymous (nobody)
Summary: Cannot target method return type with SuppressWarnings check

Initial Comment:
There's currently no way of targeting a method's return type token with the SuppressWarnings tokens property.

e.g. public @SuppressWarnings("unchecked") Set doStuff();

----------------------------------------------------------------------

>Comment By: Mark Hobson (mihobson)
Date: 2009-10-12 13:35

Message:
Hmm, my mistake, I thought return types could be annotated. Bring on JSR
308.. :)

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From forum: CheckStyle - Dev

Re: Odd error in checkstyle 5.0 ant task

2009-10-10T06:18:00Z

Hi Mikael,

in the default configuration the checkstyle task breaks the build if any checkstyle errors are found.

You can configure this behaviour by setting the maxErrors parameter on the ant task, see http://checkstyle.sourceforge.net/anttask.html#Parameters for details.

Hope this helps,
Lars

On Thu, Sep 17, 2009 at 2:04 PM, Mikael Petterson <mikael.petterson@...> wrote:

Hi,

I am running new checkstyle version 5.0 ant task with ant 1.6.5 and java 1.5.0_06.
When I run it looks fine:

[checkstyle] To process the files took 189597 ms.
[checkstyle] Total execution took 247035 ms.

Then I get a build failed:

BUILD FAILED
/vobs/build/ant_build/common.xml:209: Got 230663 errors and 0 warnings.
        at com.puppycrawl.tools.checkstyle.CheckStyleTask.realExecute(CheckStyleTask.java:336)
        at com.puppycrawl.tools.checkstyle.CheckStyleTask.execute(CheckStyleTask.java:262)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)

Anyone who has an idea what it is? I ran this using -debug for ant.

Br,

//mikael

Mikael Petterson
Software Designer

Ericsson AB, Stockholm, Sweden
Visiting address: Torshamnsgatan 42, Kista
Phone: +46 70 2673044
E-mail: mikael.petterson@...

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From forum: CheckStyle - User

[ checkstyle-Feature Requests-2874596 ] Cannot target method return type with SuppressWarnings check

2009-10-08T02:49:45Z

Feature Requests item #2874596, was opened at 2009-10-08 09:49
Message generated for change (Tracker Item Submitted) made by mihobson
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Category: Check
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Mark Hobson (mihobson)
Assigned to: Nobody/Anonymous (nobody)
Summary: Cannot target method return type with SuppressWarnings check

Initial Comment:
There's currently no way of targeting a method's return type token with the SuppressWarnings tokens property.

e.g. public @SuppressWarnings("unchecked") Set doStuff();

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2874175 ] RedundantImport ignores imports used by Javadoc

2009-10-07T09:01:11Z

Bugs item #2874175, was opened at 2009-10-07 16:01
Message generated for change (Tracker Item Submitted) made by mihobson
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Category: Core Framework
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Mark Hobson (mihobson)
Assigned to: Oliver Burn (oburn)
Summary: RedundantImport ignores imports used by Javadoc

Initial Comment:
RedundantImport should recognise imports used by Javadoc, e.g. @link, and not flag them as redundant.

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2874050 ] WhitespaceAround wrongly targets annotation element arrays

2009-10-07T04:38:01Z

Bugs item #2874050, was opened at 2009-10-07 11:38
Message generated for change (Tracker Item Submitted) made by mihobson
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Category: Core Framework
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Mark Hobson (mihobson)
Assigned to: Oliver Burn (oburn)
Summary: WhitespaceAround wrongly targets annotation element arrays

Initial Comment:
WhitespaceAround fails on the following:

@MyAnnotation(myArrayElement = {"a", "b", "c"})

With: "'}' is not preceded with whitespace."

Whereas the same formatting used with array initialisation passes:

String myArrayElement = new String[] {"a", "b", "c"};

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From forum: CheckStyle - Dev

[ checkstyle-Feature Requests-2873544 ] Add allowEmptyAnonymousClasses to WhitespaceAround check

2009-10-06T08:53:08Z

Feature Requests item #2873544, was opened at 2009-10-06 15:53
Message generated for change (Tracker Item Submitted) made by mihobson
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Category: Check
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Mark Hobson (mihobson)
Assigned to: Nobody/Anonymous (nobody)
Summary: Add allowEmptyAnonymousClasses to WhitespaceAround check

Initial Comment:
Sometimes it is necessary to create empty anonymous classes inline, for example:

MyClass c = new MyClass() {};

A allowEmptyAnonymousClasses property would allow these situations to be ignored in a similar way to empty methods and constructors.

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From forum: CheckStyle - Dev

[ checkstyle-Patches-1366035 ] Handle multiple top-level package names in import-control

2009-10-05T02:57:58Z

Patches item #1366035, was opened at 2005-11-25 06:06
Message generated for change (Comment added) made by kutzi
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Darrell DeBoer (bigdaz)
Assigned to: Oliver Burn (oburn)
Summary: Handle multiple top-level package names in import-control

Initial Comment:
Our source tree consists of some packages net.foo.* and
others com.foo.*, and we wanted to use the new import
control check to control imports between these packages
as well as on other packages.

The current import-control check assumes a single
top-level package in <import-control pkg="foo"/>. We
have modified the check to be configured like:
<import-control>
<package name="com.foo">
...
</package>
<package name="net.foo">
...
</package>
</import-control>

This gives us complete control over imports in our
source tree.

The zip file contains a patch file generated against
CVS on 2005-11-25 and 2 new files serving as testinputs
for the new unit tests.

Hope you find this helpful
ciao
Daz

----------------------------------------------------------------------

Comment By: Christoph Kutzinski (kutzi)
Date: 2009-10-05 11:57

Message:
It would be really great if the patch could be applied as I desparately
need it, too.

----------------------------------------------------------------------

Comment By: Oliver Burn (oburn)
Date: 2009-03-08 06:20

Message:
I am slack and have to applied this patch in an orderly manner. It is
possible that you update the patch to work with SVN head?

----------------------------------------------------------------------

Comment By: Nobody/Anonymous (nobody)
Date: 2009-02-25 15:28

Message:
+ 1 for this one!
Would be great. Thanks.

----------------------------------------------------------------------

Comment By: David DIDIER (c_inconnu)
Date: 2009-01-21 00:59

Message:
Hi, it seems that this patch was not applied ? Is there any chance that it
will be ? Thanks

----------------------------------------------------------------------

Comment By: Oliver Burn (oburn)
Date: 2005-11-28 23:14

Message:
Logged In: YES
user_id=218824

Thanks - I will apply for the 4.1 release.

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From forum: CheckStyle - Dev

More verbose TodoComment output

2009-09-23T07:45:58Z

Hello again,

I would like to extend the output from TodoComment checker to display
also text to the end of the current line (without */ for Cpp comments)
to see in checkstyle reports what that TODO comment was about.
I've checked sources of TodoCommentCheck and it seems that it would be
required to create the new own checker (with another message) which pass
to log() also line content as the argument.

But maybe there is a simpler solution to do that or you plan to extend
default TodoCommentCheck to support also that work mode?

Regards
Marcin

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From forum: CheckStyle - User

Re: Different error severities for specified scopes

2009-09-23T07:07:56Z

Dnia 23-09-2009 o godz. 14:24 Marcin Zajączkowski napisał(a):
> Hi,
>
>
> I would like to ask if it's possible (in CS 5.0) to set checkers like
> JavadocMethod to report errors with different severity for specified
> scope (e.g. for private methods as warnings, for public as errors).

I have found excludeScope which does what I wanted.

Regards
Marcin

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From forum: CheckStyle - User

Different error severities for specified scopes

2009-09-23T05:24:38Z

Hi,

I would like to ask if it's possible (in CS 5.0) to set checkers like
JavadocMethod to report errors with different severity for specified
scope (e.g. for private methods as warnings, for public as errors).

Regards
Marcin

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From forum: CheckStyle - User

[ checkstyle-Bugs-1519397 ] UnusedImport erroneously reporting static import as unused

2009-09-22T22:49:44Z

Bugs item #1519397, was opened at 2006-07-09 11:38
Message generated for change (Comment added) made by andrew64
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Category: Core Framework
Group: release 4.1
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Paul Holser (pholser)
Assigned to: Nobody/Anonymous (nobody)
Summary: UnusedImport erroneously reporting static import as unused

Initial Comment:
The attached source file, when run through Checkstyle
4.1 with the attached config file, yields the following
error:

HashingContainer.java:9:15: Unused import -
jaggregate.Pair.pair.

even though the imported method is used on line 182.

----------------------------------------------------------------------

Comment By: Andrew S. (andrew64)
Date: 2009-09-23 15:49

Message:
I can't see how to attach a file to an issue, so here's the code in
question (hope it's not munged or suppressed):

import static java.lang.String.format; // correctly not flagged as unused
import static java.lang.String.valueOf; // incorrectly flagged as unused

/**
* @author andrews
*
*/
public class UnusedImportBug {

/**
* Declaring this *before* the static method call results in an unused
import.
*/
int valueOf;

{
format("");
valueOf(1);
}

/**
* ... but declaring *after* the static method call does not.
*/
int format;
}

----------------------------------------------------------------------

Comment By: Andrew S. (andrew64)
Date: 2009-09-23 15:45

Message:
I'm attaching some much briefer and simpler code that demonstrates this bug
(or one very like it). The bug occurs when a member variable with the same
name as a statically imported method is declared before that method is
invoked (but not if declared afterwards).

@pholser: when providing sample code, it's more useful to the maintainer
(and others trying to solve or replicate the bug) if:
1. you trim the code down to the minimum required to replicate the bug
2. there are no dependencies on any special libraries like Jaggregate

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-1519397 ] UnusedImport erroneously reporting static import as unused

2009-09-22T22:45:02Z

Bugs item #1519397, was opened at 2006-07-09 11:38
Message generated for change (Comment added) made by andrew64
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Category: Core Framework
Group: release 4.1
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Paul Holser (pholser)
Assigned to: Nobody/Anonymous (nobody)
Summary: UnusedImport erroneously reporting static import as unused

Initial Comment:
The attached source file, when run through Checkstyle
4.1 with the attached config file, yields the following
error:

HashingContainer.java:9:15: Unused import -
jaggregate.Pair.pair.

even though the imported method is used on line 182.

----------------------------------------------------------------------

Comment By: Andrew S. (andrew64)
Date: 2009-09-23 15:45

Message:
I'm attaching some much briefer and simpler code that demonstrates this bug
(or one very like it). The bug occurs when a member variable with the same
name as a statically imported method is declared before that method is
invoked (but not if declared afterwards).

@pholser: when providing sample code, it's more useful to the maintainer
(and others trying to solve or replicate the bug) if:
1. you trim the code down to the minimum required to replicate the bug
2. there are no dependencies on any special libraries like Jaggregate

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-2775463 ] JavadocStyle false "end with a period" reports

2009-09-22T09:01:14Z

Bugs item #2775463, was opened at 2009-04-20 05:37
Message generated for change (Comment added) made by szpak
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Toby Byron (snakeeyes)
Assigned to: Nobody/Anonymous (nobody)
Summary: JavadocStyle false "end with a period" reports

Initial Comment:
This fragment of javadoc
/**
* {@inheritDoc}
* 
* @throws IllegalArgumentException with errMsg as its message
*/
causes the JavadocStyle check to report a false problem:
First sentence should end with a period.
Its wrong because the imported documentation ends with a period.

----------------------------------------------------------------------

Comment By: Marcin Zajaczkowski (szpak)
Date: 2009-09-22 18:01

Message:
I can confirm mentioned behavior with Checkstyle 5.0 and fallowing code:
/**
* {@inheritDoc}
*/
public class FooImpl implements Foo {

/**
* Foo interface.
*
* @author Foo Bar
*/
public interface Foo {

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From forum: CheckStyle - Dev

Odd error in checkstyle 5.0 ant task

2009-09-17T05:04:59Z

Odd error in checkstyle 5.0 ant task

Hi,

I am running new checkstyle version 5.0 ant task with ant 1.6.5 and java 1.5.0_06.
When I run it looks fine:

[checkstyle] To process the files took 189597 ms.
[checkstyle] Total execution took 247035 ms.

Then I get a build failed:

BUILD FAILED
/vobs/build/ant_build/common.xml:209: Got 230663 errors and 0 warnings.
        at com.puppycrawl.tools.checkstyle.CheckStyleTask.realExecute(CheckStyleTask.java:336)
        at com.puppycrawl.tools.checkstyle.CheckStyleTask.execute(CheckStyleTask.java:262)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)

Anyone who has an idea what it is? I ran this using -debug for ant.

Br,

//mikael

Mikael Petterson
Software Designer

Ericsson AB, Stockholm, Sweden
Visiting address: Torshamnsgatan 42, Kista
Phone: +46 70 2673044
E-mail: mikael.petterson@...

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From forum: CheckStyle - User

[ checkstyle-Feature Requests-2858437 ] Make checkstyle available as OSGi Bundle or on Eclipse Orbit

2009-09-16T02:15:04Z

Feature Requests item #2858437, was opened at 2009-09-14 10:19
Message generated for change (Comment added) made by blueradiobutton
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: Core Framework
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Florian Schneider (blueradiobutton)
Assigned to: Nobody/Anonymous (nobody)
Summary: Make checkstyle available as OSGi Bundle or on Eclipse Orbit

Initial Comment:
Though Checkstyle Integration in Eclipse seems to work, problems exist because Eclipse currently still does not support Plugins to include 3rd Party jars. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=157375#c19 and https://bugs.eclipse.org/bugs/show_bug.cgi?id=111238 . I also filed a bug for EclipseCS, see https://sourceforge.net/tracker/?func=detail&atid=559494&aid=2856770&group_id=80344
Would be really cool if Checkstyle was available on Eclipse Orbit and/or an OSGi Bundle Repository.

----------------------------------------------------------------------

>Comment By: Florian Schneider (blueradiobutton)
Date: 2009-09-16 11:15

Message:
The best way IMHO would be to provide an Eclipse Plugin that e.g. EclipseCS
could depend upon.

----------------------------------------------------------------------

Comment By: Florian Schneider (blueradiobutton)
Date: 2009-09-14 11:06

Message:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=289248

----------------------------------------------------------------------

You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

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From forum: CheckStyle - Dev

[ checkstyle-Bugs-1671882 ] Checkstyle-Plugin: Throwable occured

2009-09-14T14:15:03Z

Bugs item #1671882, was opened at 2007-03-01 18:26
Message generated for change (Comment added) made by hohwille
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397078&aid=1671882&group_id=29721

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: None
Group: None
Status: Open
Resolution: None
Priority: 2
Private: No
Submitted By: anb (anbmaconomy)
Assigned to: Nobody/Anonymous (nobody)
Summary: Checkstyle-Plugin: Throwable occured

Initial Comment:
It seems like CheckStyle cannot process the following Java interface:

public interface TestInterface <E extends Throwable> {
public void foo() throws E;
}

The problems seems to be that CheckStyle cannot process a throws clause that refers to a generic parameter. It creates the following stack trace:

java.lang.RuntimeException: Unable to get class information for E.
at com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck.logLoadErrorImpl(AbstractTypeAwareCheck.java:291)
at com.puppycrawl.tools.checkstyle.checks.coding.RedundantThrowsCheck.logLoadError(RedundantThrowsCheck.java:121)
at com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck.tryLoadClass(AbstractTypeAwareCheck.java:260)
at com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$RegularClass.getClazz(AbstractTypeAwareCheck.java:481)
at com.puppycrawl.tools.checkstyle.checks.coding.RedundantThrowsCheck.checkException(RedundantThrowsCheck.java:145)
at com.puppycrawl.tools.checkstyle.checks.coding.RedundantThrowsCheck.processAST(RedundantThrowsCheck.java:108)
at com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck.visitToken(AbstractTypeAwareCheck.java:146)
at com.puppycrawl.tools.checkstyle.TreeWalker.notifyVisit(TreeWalker.java:500)
at com.puppycrawl.tools.checkstyle.TreeWalker.processIter(TreeWalker.java:625)
at com.puppycrawl.tools.checkstyle.TreeWalker.walk(TreeWalker.java:426)
at com.puppycrawl.tools.checkstyle.TreeWalker.process(TreeWalker.java:244)
at com.puppycrawl.tools.checkstyle.TreeWalker.process(TreeWalker.java:590)
at com.puppycrawl.tools.checkstyle.Checker.process(Checker.java:239)
at com.atlassw.tools.eclipse.checkstyle.builder.Auditor.runAudit(Auditor.java:193)
at com.atlassw.tools.eclipse.checkstyle.builder.CheckstyleBuilder.handleBuildSelection(CheckstyleBuilder.java:341)
at com.atlassw.tools.eclipse.checkstyle.builder.CheckstyleBuilder.build(CheckstyleBuilder.java:212)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:603)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:167)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:230)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:233)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:252)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:285)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:145)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:208)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

----------------------------------------------------------------------

Comment By: Jörg Hohwiller (hohwille)
Date: 2009-09-14 23:15

Message:
Instead of the current behavior it would already be an improvement, if you
just would ignore generic exceptions. You could figure this out by using
getGenericExceptionTypes() instead and if a returned Type is no instance of
java.lang.Class you could just ignore it.
However causing an exception and therefore producing errors in my IDE is
really the worst scenario.

----------------------------------------------------------------------

Comment By: Jörg Hohwiller (hohwille)
Date: 2009-07-02 08:59

Message:
If you want to deal with generics properly, you might want to consider some
library like
mmm-util-core. Then you can resolve the proper type of E and load that
class instead.

https://m-m-m.svn.sourceforge.net/svnroot/m-m-m/trunk/mmm-util/mmm-util-core/src/main/java/net/sf/mmm/util/reflect/api/GenericType.java

https://m-m-m.svn.sourceforge.net/svnroot/m-m-m/trunk/mmm-util/mmm-util-core/src/main/java/net/sf/mmm/util/reflect/api/ReflectionUtil.java

----------------------------------------------------------------------

Comment By: Jörg Hohwiller (hohwille)
Date: 2009-07-01 11:37

Message:
SuppressionCommentFilter also does NOT help as workaround.
Checkstyle finds some "throws E" in the code and then tries to load the
class "E" which is entire nonsense. This is a bug and should be fixed.

----------------------------------------------------------------------

Comment By: Jörg Hohwiller (hohwille)
Date: 2009-07-01 09:44

Message:
Even if I remove the RedundantThrows rule and have no such rule left, the
error remains.

----------------------------------------------------------------------

Comment By: Jörg Hohwiller (hohwille)
Date: 2009-07-01 09:35

Message:
> This error can be avoided using RedundantThrows
> check's property -> logLoadErrors set to true.

This simply does not work!
Did you ever test this?

There is no problem loading the class!
Checkstyle should stop throwing RuntimeExceptions if it things there is
something it did not expect.
In my eclipse the enitre project gets marked as having errors. The error
is checkstyle and not my project.
See also
https://sourceforge.net/tracker/?func=detail&atid=397078&aid=2791544&group_id=29721

----------------------------------------------------------------------

Comment By: Oliver Burn (oburn)
Date: 2009-06-17 14:14

Message:
there is a valid workaround

----------------------------------------------------------------------

Comment By: djarma (djarma)
Date: 2007-06-06 15:43

Message:
Logged In: YES
user_id=1809875
Originator: NO

This error can be avoided using RedundantThrows check's property ->
logLoadErrors set to true.

See http://checkstyle.sourceforge.net/config_coding.html#RedundantThrows
for more info...

----------------------------------------------------------------------

Comment By: MiSo (coolmischa)
Date: 2007-05-20 16:14

Message:
Logged In: YES
user_id=1797504
Originator: NO

Moin, moin

I've got the same problem. I'm working with RSA 7.0.x on Linux and have
imported source code from a MS Windows source. The default encoding on the
MS Win system is CP1512 or ISO-8859-15, on my linux box the defualt is
UTF-8.
The first error from Checkstyle reported in all files with IS0-8859-15
special Characters like german Umlauts was:
"TreeWalker: Got an exception - null"
After adjusting the charset property in my checkstyle configuration german
Umlauts were not a problem any more but in any File which has a method with
more than one throws clause the error was:
"Got an exception - java.lang.RuntimeException: Unable to get class
information for @throws tag 'e'"
Rebuilding the project removes the errors.

Unfortunatley now my RSA 7.0.x close unexpectedly ;-(

----------------------------------------------------------------------

Comment By: DGardner (dgardner_curam)
Date: 2007-04-24 13:58

Message:
Logged In: YES
user_id=1663951
Originator: NO

Me too. I've just run into this problem with an interface that
takes a parameterized exception type. I get the (legendary)
Eclipse plug-in message:

"Got an exception - java.lang.RuntimeException: Unable to get class
information for @throws tag 'E'."

This is the same message I get when Checkstyle (or the plug-in)
loses the plot and starts complaining about real exception
classes that do exist in the same project, but that is another
story.

----------------------------------------------------------------------

You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397078&aid=1671882&group_id=29721

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From forum: CheckStyle - Dev

[ checkstyle-Feature Requests-2858437 ] Make checkstyle available as OSGi Bundle or on Eclipse Orbit

2009-09-14T02:06:09Z

Feature Requests item #2858437, was opened at 2009-09-14 10:19
Message generated for change (Comment added) made by blueradiobutton
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: Core Framework
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Florian Schneider (blueradiobutton)
Assigned to: Nobody/Anonymous (nobody)
Summary: Make checkstyle available as OSGi Bundle or on Eclipse Orbit

Initial Comment:
Though Checkstyle Integration in Eclipse seems to work, problems exist because Eclipse currently still does not support Plugins to include 3rd Party jars. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=157375#c19 and https://bugs.eclipse.org/bugs/show_bug.cgi?id=111238 . I also filed a bug for EclipseCS, see https://sourceforge.net/tracker/?func=detail&atid=559494&aid=2856770&group_id=80344
Would be really cool if Checkstyle was available on Eclipse Orbit and/or an OSGi Bundle Repository.

----------------------------------------------------------------------

>Comment By: Florian Schneider (blueradiobutton)
Date: 2009-09-14 11:06

Message:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=289248

----------------------------------------------------------------------

You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

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From forum: CheckStyle - Dev

[ checkstyle-Feature Requests-2858437 ] Make checkstyle available as OSGi Bundle or on Eclipse Orbit

2009-09-14T01:19:39Z

Feature Requests item #2858437, was opened at 2009-09-14 10:19
Message generated for change (Tracker Item Submitted) made by blueradiobutton
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: Core Framework
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Florian Schneider (blueradiobutton)
Assigned to: Nobody/Anonymous (nobody)
Summary: Make checkstyle available as OSGi Bundle or on Eclipse Orbit

Initial Comment:
Though Checkstyle Integration in Eclipse seems to work, problems exist because Eclipse currently still does not support Plugins to include 3rd Party jars. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=157375#c19 and https://bugs.eclipse.org/bugs/show_bug.cgi?id=111238 . I also filed a bug for EclipseCS, see https://sourceforge.net/tracker/?func=detail&atid=559494&aid=2856770&group_id=80344
Would be really cool if Checkstyle was available on Eclipse Orbit and/or an OSGi Bundle Repository.

----------------------------------------------------------------------

You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=397081&aid=2858437&group_id=29721

------------------------------------------------------------------------------
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From forum: CheckStyle - Dev

Re: unused local variables

2009-09-08T23:13:35Z

Hi Arnaud,

I also have written a small check. But i'm not able to test due to lack of knowledge in running the check.

I have downloaded your jar file, but i didn't see an custom check xml configuration file.

Please let me know how to test custom checks and how to integrate them with the existing check style in my local machine?

Thanks in advance.

Regards
Kiran

Arnaud Roques wrote:

Hello,

I have created two checkers:

<module name="cs.UnusedLocalVariable" />
This checker detects unused local variable.

<module name="cs.TooEarlyVariableDeclaration" />

This checker detects several things about variable declaration.
Examples:
int i = 0, j = 4; // Error: Declare variables on separate lines

int i;
i = 4; // those two lines can be merged into "int i = 4"

int i = 0; // this affectation is useless
i = 4;

int i; // Declare variable as close as possible to where they are
used
[A lot of code that does not use i]
i = 6;

I've attached the "cs.jar" file that is needed to used thoses checkers.
(sources are included).

The checkers have *not* been extensively tested, so use them with care.

Hope this helps!

Arnaud Roques

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From forum: CheckStyle - User

Problem while configuring a new custom check

2009-09-08T21:46:33Z

Hi All,

I have one requirement to extend Checkstyle with custom checks for my project.

I have tried to run / configure one example and it didn't get through.

Please find the details below.

Please find the Java source file which has been attached.

Configuration file is as follows:

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

<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "D:/configuration_1_2.dtd">
<module name="Checker">
<module name="TreeWalker">
<module name="ThrowsRException"/>
</module>
</module>

The command i have used to run the example is:

java -classpath D:\checkstyle-5.0\checkstyle-all-5.0.jar com.puppycrawl.tools.checkstyle.Main -c D:\PluginsWorkspace\Plugin\src\com\abc\plugin\custom_check.xml D:\PluginsWorkspace\Plugin\src\com\abc\plugin\TestCaseException.java

And finally the error log is:

Unable to create Checker: cannot initialize module TreeWalker - Unable to instan
tiate com.abc.plugin.ThrowsRException
com.puppycrawl.tools.checkstyle.api.CheckstyleException: cannot initialize modul
e TreeWalker - Unable to instantiate com.abc.plugin.ThrowsRException
at com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:177)
at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(Automatic
Bean.java:207)
at com.puppycrawl.tools.checkstyle.Main.createChecker(Main.java:138)
at com.puppycrawl.tools.checkstyle.Main.main(Main.java:115)
Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable to in
stantiate com.abc.plugin.ThrowsRException
at com.puppycrawl.tools.checkstyle.PackageObjectFactory.createModule(Pac
kageObjectFactory.java:156)
at com.puppycrawl.tools.checkstyle.TreeWalker.setupChild(TreeWalker.java
:159)
at com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(Automatic
Bean.java:207)
at com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:156)
... 3 more
Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable to in
stantiate com.abc.plugin.ThrowsRExceptionCheck
at com.puppycrawl.tools.checkstyle.PackageObjectFactory.doMakeObject(Pac
kageObjectFactory.java:99)
at com.puppycrawl.tools.checkstyle.PackageObjectFactory.createModule(Pac
kageObjectFactory.java:153)
... 6 more

Please let me know if anyone has any clue.
ThrowsRException.java
P.S. I hope that it is a configuration problem OR the way i have been trying to run the Check is a problem.

Thanks and Regards
Kiran

From forum: CheckStyle - User