Re: Help with XInclude

18 Dec 2003 20:47:57 -0000

I have resolved the problem. I am calling the application from a makefile and the variable containing the parser was not properly expanded.

Both of my xml files are in the same directory as the test class. The following reference worked just fine:

<xi:include href="name.xml"/>

So, from the original post there were 1 explicit item that needed to be fixed:

 1.  CHANGE: <contact xmlns:xi="http://www.w3.org/2003/XInclude";>
         TO: <contact xmlns:xi="http://www.w3.org/2001/XInclude";>

Thanks to Michael Glavassevich for pointing this out.

Thanks to any/all attempting to help with this.

Angus Stewart wrote:

A few more notes that may help:

* The DOM and SAX parsers decide which parser configuration to use in
* the following order:
*
* First, the org.apache.xerces.xni.parser.XMLParserConfiguration system
* property is queried for the class name of the parser configuration.
*
* Next, if a file called xerces.properties exists in the lib
* subdirectory of the JRE installation and the
* org.apache.xerces.xni.parser.XMLParserConfiguration property is
* defined it, then its value will be read from the file.
*
* Next, the org.apache.xerces.xni.parser.XMLParserConfiguration file is
* requested from the META-INF/services/ directory. This file contains
* the class name of the parser configuration.
*
* Finally, the org.apache.xerces.parsers.XML11Configuration is used as
* the default parser configuration.

1. I am setting the parser at the command line.
2. There is no file called xerces.properties anywhere on my system.
3. I do not have a META-INF/services directory.

If I run the test with the verbose switch, I can see the XML11Configuration is loaded. The xinclude is not.

Angus Stewart wrote:

Thanks,

Changed the namespace:
 >><contact xmlns:xi="http://www.w3.org/2003/XInclude";>
<contact xmlns:xi="http://www.w3.org/2001/XInclude";>

Still not getting the desired results.

Output shows the xi:include elements. There seems to be no attempt to resolve the external documents.

Michael Glavassevich wrote:

Hello Angus,

Your setup appears to be correct. I noticed you're using the new 2003
namespace [1] in your instance document. We missed making that change in
Xerces 2.6.0 so in order to work with the current version of the parser
you need to use the 2001 namespace [2]. The source has been updated in CVS
to accomodate the change made in the new Working Draft. If you don't want
to change your instance documents you can pickup a recent nightly build
[3].

Hope that helps.

[1] http://www.w3.org/TR/2003/WD-xinclude-20031110/#syntax
[2] http://www.w3.org/TR/2002/CR-xinclude-20020917/#syntax
[3] http://gump.covalent.net/jars/latest/xml-xerces2/

On Thu, 18 Dec 2003, Angus Stewart wrote:


Cannot get XInclude to work.  Searched archives for XInclude, and while
there are quite a few entries, and even some claim of success, none
provide the steps required to get there.

I would appreciate it if anyone can help me out with this, and/or
provide samples.

Following is the test I setup:

Configuration:
 Windows XP
 Cygwin
 JDK1.4.2-b28
 Xerces 2.6.0

Xerces jar files in:
 $JAVA_HOME/lib/endorsed
 $JAVA_HOME/jre/lib/endorsed
(was not sure where to put them so put them in both).


Compile and Run commands:
  XD=org.apache.xerces.xni.parser.XMLParserConfiguration
  XI=org.apache.xerces.parsers.XIncludeParserConfiguration

  javac -classpath . Test.java
  java -classpath . -D"$XD=$XI" Test


----- Test Class ----------------
import org.apache.xerces.parsers.DOMParser;
import org.apache.xml.serialize.XMLSerializer;
import org.apache.xml.serialize.OutputFormat;
import org.w3c.dom.Document;
import java.io.StringWriter;

public class Test {
 public static void main (String [] args) {
  try {
    DOMParser p = new DOMParser();
    p.parse("contact.xml");

    Document d = p.getDocument();

    StringWriter out = new StringWriter();
    (new XMLSerializer(out, new OutputFormat())).serialize(d);

    System.err.println(out.toString());
  }
  catch (Exception e) {
    e.printStackTrace();
  }
 }
}

----- contact.xml -----
<?xml version="1.0" encoding="UTF-8"?>
<contact xmlns:xi="http://www.w3.org/2003/XInclude";>
  <xi:include href="name.xml"/>
  <!-- <xi:include href="file:name.xml"/> -->
  <!-- <xi:include href="file:/name.xml"/> -->
  <!-- <xi:include href="file:///name.xml"/> -->
  <!-- <xi:include href="file:///home/angus/.../name.xml"/> -->
  <!-- <xi:include href="file:///C:/.../name.xml"/> -->
</contact>

----- name.xml -----
<?xml version="1.0" encoding="UTF-8"?>
<name>
  <first/>
  <last/>
  <initial/>
  <title/>
</name>




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---------------------------
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: [EMAIL PROTECTED]
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