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Date: Wed, 15 Nov 2006 07:38:39 -0800 (PST)
From: "Miguel Montes (JIRA)" <jira@apache.org>
To: harmony-commits@incubator.apache.org
Subject: [jira] Commented: (HARMONY-1272) [classlib][html] Compatibility:
 j.s.t.h.p.ContentModel structure is different from the RI structure
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    [ http://issues.apache.org/jira/browse/HARMONY-1272?page=comments#action_12450070 ] 
            
Miguel Montes commented on HARMONY-1272:
----------------------------------------

OK

> [classlib][html] Compatibility: j.s.t.h.p.ContentModel structure is different from the RI structure
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1272
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1272
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Miguel Montes
>         Assigned To: Alexey Petrenko
>         Attachments: ContentModel_02.patch
>
>
> The class j.s.t.h.p.ContentModel is a representation of a ContentModel. Basically it represents the content model as a binary tree. The structure of the tree created is different from the structure created by the RI, so the same sequence of constructor calls produces different trees.
> The following code produces the content model (meta & base) with the RI, and throws an exception with Harmony
> =============TestContentModel.java==========
> import java.io.IOException;
> import javax.swing.text.html.parser.ContentModel;
> import javax.swing.text.html.parser.DTD;
> public class TestContentModel {
> 	public static void main(String[] args) throws IOException {
>         DTD dtd = DTD.getDTD("dummy");
>         
>         ContentModel model1 = new ContentModel (dtd.getElement(3));
>         ContentModel model2 = new ContentModel (0, dtd.getElement(2), model1);
>         ContentModel model = new ContentModel ('&', model2);
>         System.out.println("ContentModel: " + model);
> 	}
> }
> ==================================================
> [miguel@mp bin]$ java -showversion TestContentModel
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode)
> ContentModel: (meta & base)
> [miguel@mp bin]$ /harmony/harmony-hdk-r431938/jdk/jre/bin/java -showversion TestContentModel
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r431938, (Aug 16 2006), Linux/ia32/gcc 3.4.6, release build
> http://incubator.apache.org/harmony
> java.lang.IllegalArgumentException: Illegal type, must be ,, |, &
>         at javax.swing.text.html.parser.ContentModel.checkBinaryType(ContentModel.java:310)
>         at javax.swing.text.html.parser.ContentModel.<init>(ContentModel.java:78)
>         at TestContentModel.main(TestContentModel.java:16)
> For generating the above content model with Harmony, the code is
> ==============TestContentModel2=====================
> import java.io.IOException;
> import javax.swing.text.html.parser.ContentModel;
> import javax.swing.text.html.parser.DTD;
> public class TestContentModel2 {
> 	public static void main(String[] args) throws IOException {
>         DTD dtd = DTD.getDTD("tmp");
>         
>         ContentModel model1 = new ContentModel (dtd.getElement(2));
>         ContentModel model2 = new ContentModel (dtd.getElement(3));
>         ContentModel model = new ContentModel ('&', model1, model2);
>         System.out.println("ContentModel: " + model);
> 	}
> }
> ========================================================
> [miguel@mp bin]$ /harmony/harmony-hdk-r431938/jdk/jre/bin/java -showversion TestContentModel2
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r431938, (Aug 16 2006), Linux/ia32/gcc 3.4.6, release build
> http://incubator.apache.org/harmony
> ContentModel: META&BASE
> The same code produces a different content model with the RI
> [miguel@mp bin]$ java -showversion TestContentModel2
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode)
> ContentModel: (meta)

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