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package com.sun.tools.txw2;
import com.sun.codemodel.writer.FileCodeWriter;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.kohsuke.rngom.parse.compact.CompactParseable;
import org.kohsuke.rngom.parse.xml.SAXParseable;
import org.xml.sax.InputSource;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
/**
* Ant task interface for txw compiler.
*
* @author ryan_shoemaker@dev.java.net
*/
public class TxwTask extends org.apache.tools.ant.Task {
// txw options - reuse command line options from the main driver
private final TxwOptions options = new TxwOptions();
// schema file
private File schemaFile;
// syntax style of RELAX NG source schema - "xml" or "compact"
private static enum Style {
COMPACT, XML, XMLSCHEMA, AUTO_DETECT
}
private Style style = Style.AUTO_DETECT;
public TxwTask() {
// default package
options._package = options.codeModel.rootPackage();
// default codewriter
try {
options.codeWriter = new FileCodeWriter(new File("."));
} catch (IOException e) {
throw new BuildException(e);
}
}
/**
* Parse @package
*
* @param pkg name of the package to generate the java classes into
*/
public void setPackage( String pkg ) {
options._package = options.codeModel._package( pkg );
}
/**
* Parse @syntax
*
* @param style either "compact" for RELAX NG compact syntax or "XML"
* for RELAX NG xml syntax
*/
public void setSyntax( String style ) {
this.style = Style.valueOf(style.toUpperCase());
}
/**
* parse @schema
*
* @param schema the schema file to be processed by txw
*/
public void setSchema( File schema ) {
schemaFile = schema;
}
/**
* parse @destdir
*
* @param dir the directory to produce generated source code in
*/
public void setDestdir( File dir ) {
try {
options.codeWriter = new FileCodeWriter(dir);
} catch (IOException e) {
throw new BuildException(e);
}
}
/**
* parse @methodChaining
*
* @param flg true if the txw should generate api's that allow
* method chaining (when possible, false otherwise
*/
public void setMethodChaining( boolean flg ) {
options.chainMethod = flg;
}
/**
* launch txw
*/
public void execute() throws BuildException {
options.errorListener = new AntErrorListener(getProject());
// when we run in Mustang, relaxng datatype gets loaded from tools.jar
// and thus without setting the context classloader, they won't find
// any datatype libraries
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
try {
InputSource in = new InputSource(schemaFile.toURL().toExternalForm());
String msg = "Compiling: " + in.getSystemId();
log( msg, Project.MSG_INFO );
if(style==Style.AUTO_DETECT) {
String fileName = schemaFile.getPath().toLowerCase();
if(fileName.endsWith("rnc"))
style = Style.COMPACT;
else
if(fileName.endsWith("xsd"))
style = Style.XMLSCHEMA;
else
style = Style.XML;
}
switch(style) {
case COMPACT:
options.source = new RELAXNGLoader(new CompactParseable(in,options.errorListener));
break;
case XML:
options.source = new RELAXNGLoader(new SAXParseable(in,options.errorListener));
break;
case XMLSCHEMA:
options.source = new XmlSchemaLoader(in);
break;
}
} catch (MalformedURLException e) {
throw new BuildException(e);
} finally {
Thread.currentThread().setContextClassLoader(cl);
}
// kick off the compiler
Main.run(options);
log( "Compilation complete.", Project.MSG_INFO );
}
}