Re: Problems with ejbdoclet when there are no files under the merge directory

The fact is that I *don't* specify the path, if not in the last part 
(src/middlegen), which doesn't contain escape characters. The magic is done 
by ${basedir}, which resolves in the path to the current folder, using the 
system file separator, and this is where the problem is. There could be two 
possible solutions:

a) XDoclet-patch. XDoclet shouldn't parse lines which begins with //

b) Middlegen-patch. Middlegen shouldn't be generating any line with Java 
escape characters.

Personally I'd say that the second could be better.

Marco

----- Original Message ----- 
From: [email protected]
To: [email protected]
Sent: Wednesday, September 22, 2004 9:51 AM
Subject: Re: [Middlegen-user] Problems with ejbdoclet when there are no 
files under the merge directory



Hi,

your problem seems to have a simple solution to me: The directory you 
specify probably does not exist at all. Middlegen is pright then. Note the 
use of "/" and "\" in the path 
D:\OPENSOURCES\middlegen-2.0-vo\umo/src/middlegen/cmp20-countries-class-code.txt
Middlegen probably checks the mergedir for matching mergefiles for every 
Bean Class. It does then not find the directory and warns you with this 
message. Xdoclet somehow gets upset with the "\" in the comment.
So it should work if you specify the right path.

Cheers.


"Marco Tedone" <[email protected]>
Gesendet von: [email protected]
21.09.2004 22:13
Bitte antworten an middlegen-user
        An:        "Middlegen-users" <[email protected]>
        Kopie:
        Thema:        [Middlegen-user] Problems with ejbdoclet when there 
are no files under the merge directory



Dear all,

I'm using middlegen to generate entity beans from a db connection. Inside
the middlegen ant task, I've got the following nested element:

<cmp20
           destination="${build.gen-src.dir}"
           package="${name}.ejb"
           interfacepackage="${name}.intf"
           jndiprefix="${unique.name}"
           pkclass="true"
           dataobject="false"
           valueobject="true"
           mergedir="${basedir}/src/middlegen"
           sessionfacade="false"
           viewtype="local"
           readonly="false"
           fkcmp="true"
           guid="true"
        >

Please notice the 'mergedir' attrribute. In the case I haven't got any files
under the merge directory, each entity bean is generated with the following
comment
as last line:

 // No
D:\OPENSOURCES\middlegen-2.0-vo\umo/src/middlegen/cmp20-countries-class-code.txt
found.

Except from the names that are local to my computer, the substance doesn't
change. When ejbdoclet executes on the entity bean source which contains the
above comment as last line, it fails with the error show below:


ejbdoclet:
   [mkdir] Created dir: D:\OPENSOURCES\middlegen-2.0-vo\umo\build\ejb-meta
[ejbdoclet] java.lang.Error: Invalid escape character at line 328 column 42.
[ejbdoclet]     at xjavadoc.JavaCharStream.readChar(JavaCharStream.java:320)
[ejbdoclet]     at
xjavadoc.SimpleParserTokenManager.getNextToken(SimpleParserTokenManager.java:1675)
[ejbdoclet]     at
xjavadoc.SimpleParser.jj_consume_token(SimpleParser.java:7740)
[ejbdoclet]     at
xjavadoc.SimpleParser.Method_Block(SimpleParser.java:2866)
[ejbdoclet]     at
xjavadoc.SimpleParser.MethodDeclaration(SimpleParser.java:1164)
[ejbdoclet]     at
xjavadoc.SimpleParser.ClassBodyDeclaration(SimpleParser.java:474)
[ejbdoclet]     at xjavadoc.SimpleParser.ClassBody(SimpleParser.java:393)
[ejbdoclet]     at
xjavadoc.SimpleParser.UnmodifiedClassDeclaration(SimpleParser.java:350)
[ejbdoclet]     at
xjavadoc.SimpleParser.ClassDeclaration(SimpleParser.java:302)
[ejbdoclet]     at
xjavadoc.SimpleParser.TypeDeclaration(SimpleParser.java:228)
[ejbdoclet]     at
xjavadoc.SimpleParser.CompilationUnit(SimpleParser.java:184)
[ejbdoclet]     at xjavadoc.SimpleParser.populate(SimpleParser.java:127)
[ejbdoclet]     at xjavadoc.SourceClass.parse(SourceClass.java:745)
[ejbdoclet]     at xjavadoc.SourceClass.<init>(SourceClass.java:113)
[ejbdoclet]     at xjavadoc.XJavaDoc.scanAndPut(XJavaDoc.java:918)
[ejbdoclet]     at xjavadoc.XJavaDoc.getXClass(XJavaDoc.java:429)
[ejbdoclet]     at
xjavadoc.XJavaDoc.getOuterSourceClasses(XJavaDoc.java:793)
[ejbdoclet]     at xjavadoc.XJavaDoc.getSourceClasses(XJavaDoc.java:346)
[ejbdoclet]     at xjavadoc.XJavaDoc.getSourceClasses(XJavaDoc.java:302)
[ejbdoclet]     at xjavadoc.XJavaDoc.getSourceClasses(XJavaDoc.java:321)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcessPerClass(TemplateSubTask.java:655)
[ejbdoclet]     at
xdoclet.TemplateSubTask.startProcess(TemplateSubTask.java:592)
[ejbdoclet]     at xdoclet.TemplateSubTask.execute(TemplateSubTask.java:485)
[ejbdoclet]     at xdoclet.XDocletMain.start(XDocletMain.java:48)
[ejbdoclet]     at xdoclet.DocletTask.start(DocletTask.java:458)
[ejbdoclet]     at xjavadoc.ant.XJavadocTask.execute(XJavadocTask.java:96)
[ejbdoclet]     at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:193)
[ejbdoclet]     at org.apache.tools.ant.Task.perform(Task.java:341)
[ejbdoclet]     at org.apache.tools.ant.Target.execute(Target.java:309)
[ejbdoclet]     at org.apache.tools.ant.Target.performTasks(Target.java:336)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTarget(Project.java:1339)
[ejbdoclet]     at
org.apache.tools.ant.Project.executeTargets(Project.java:1255)
[ejbdoclet]     at org.apache.tools.ant.Main.runBuild(Main.java:609)
[ejbdoclet]     at org.apache.tools.ant.Main.start(Main.java:196)
[ejbdoclet]     at org.apache.tools.ant.Main.main(Main.java:235)


I found that a possible solution is to eliminate the mergedir attribute from
the cmp subelement. However, this doesn't seem to me the optimal solution,
especially in the case where I *need* a merge dir for some files but not for
others. It would help if the comment which gets autogenerated would be
written without Java escape symbols ('\').

If you tell me where this line gets generated, I may update the code and
submit a patch.

Regards,

Marco




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