DO NOT REPLY [Bug 26618] New: - Relative path and file name parameters on XSLTProcess

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=26618

Relative path and file name parameters on XSLTProcess

           Summary: Relative path and file name parameters on XSLTProcess
           Product: Ant
           Version: 1.7Alpha (nightly)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Core tasks
        AssignedTo: dev@ant.apache.org
        ReportedBy: keeleyd@clear.net.nz


This allows the generated output file to have these in it.
We have a branch of XSLTProcess that does this and use it widely.
It is one change to two files, simple.
Discussed on email with Stephane Bailliez.

The enhancement means that when you generate a java file, you can generate it's 
package to match the source it was generated from.  Or when you generate a BPEL 
process or WSDL definition, the generated target namespace can match the 
artefact you genereated if from.  Very common requirements.

Suggested implementation:

CHANGE 1: add the parameters to before transforming

around line 507 in XSLTProcess add this (the constants are suggested here):

                // TODO setup parameters - Only block added by David Keeley
                // Intention is to get this added to apache ANT source
                String sourceFile = xmlFile;
                String sourcePath = xmlFile.replace('\\', '/');
                int pos = sourcePath.lastIndexOf('/');
                if (pos != -1) {
                  sourceFile = xmlFile.substring(pos+1);
                  sourcePath = sourcePath.substring(0, pos);
                }
                else {
                  sourcePath = "";
                }
                liaison.addParam("source-xml-file", sourceFile); 
                liaison.addParam("source-xml-path", sourcePath);
                log("SOURCE " + sourcePath + " " + sourceFile);

                liaison.transform(inFile, outFile);

CHANGE 2: make sure they are not immutable in the transformer, so change from 
file to file

in TraXLiaison, comment this out around line 164:

//        if (transformer == null) {
            createTransformer();
//        }

and modify this method as shown :

    private void createTransformer() throws Exception {
      if (transformer == null) {
        if (templates == null) {
            readTemplates();
        }

        transformer = templates.newTransformer();

        // configure the transformer...
        transformer.setErrorListener(this);
        if (uriResolver != null) {
            transformer.setURIResolver(uriResolver);
        }
        for (int i = 0; i < outputProperties.size(); i++) {
            final String[] pair = (String[]) outputProperties.elementAt(i);
            transformer.setOutputProperty(pair[0], pair[1]);
        }
      }  
      for (int i = 0; i < params.size(); i++) {
        final String[] pair = (String[]) params.elementAt(i);
        transformer.setParameter(pair[0], pair[1]);
      }
    }

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