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/*
 * Enhydra Java Application Server Project
 * 
 * The contents of this file are subject to the Enhydra Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License on
 * the Enhydra web site ( http://www.enhydra.org/ ).
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 
 * the License for the specific terms governing rights and limitations
 * under the License.
 * 
 * The Initial Developer of the Enhydra Application Server is Lutris
 * Technologies, Inc. The Enhydra Application Server and portions created
 * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
 * All Rights Reserved.
 * 
 * Contributor(s):
 * 
 * $Id: Javac.java,v 1.4 2005/10/23 03:17:49 jkjome Exp $
 */

package org.enhydra.xml.xmlc.compiler;

import java.io.PrintWriter;
import org.enhydra.xml.io.ErrorReporter;
import org.enhydra.xml.xmlc.XMLCException;
import org.enhydra.xml.xmlc.codegen.JavaCompile;
import org.enhydra.xml.xmlc.metadata.DocumentClass;
import org.enhydra.xml.xmlc.metadata.GenerateType;
import org.enhydra.xml.xmlc.metadata.JavaCompilerSection;
import org.enhydra.xml.xmlc.metadata.MetaData;

/**
 * Compile generated classes.
 */
public class Javac {
    /** Should errors be passed back in an exception? */
    private boolean fThrowErrorMsgs;


    /**
     * Enable collecting errors and throwing them in an exception.
     */
    public void setThrowErrorMsgs(boolean enable) {
        fThrowErrorMsgs = enable;
    }

    /**
     * Run a javac process.  Stdout/stderr are written to the standard
     * descriptors.
     *
     * @param metaData Document metadata.
     * @param errorReporter Write errors to this object.
     * @param verboseOut Write verbose message to this file if not null.
     */
    public void compile(MetaData metaData,
                        ErrorReporter errorReporter,
                        PrintWriter verboseOut)
            throws XMLCException {

        DocumentClass documentClass = metaData.getDocumentClass();
        GenerateType generate = documentClass.getGenerate();
        JavaCompilerSection compilerSection = metaData.getJavaCompilerSection();

        String classOutputRoot = metaData.getCompileOptions().getClassOutputRoot();
        JavaCompile compile = new JavaCompile(errorReporter,
                                              compilerSection.getJavac());

        if (fThrowErrorMsgs) {
            compile.setOptions(JavaCompile.COLLECT_STDOUT
			       |JavaCompile.COLLECT_STDERR
                               |JavaCompile.DUMP_STDERR_ON_FAIL);
        }
        if (classOutputRoot != null) {
            compile.setClassOutputRoot(classOutputRoot);
        }
        compile.addArgs(compilerSection.getJavacArgs());
	
	    compile.addArg("-encoding", "ISO-8859-1");
        if (generate.generateClass()) {
            compile.addSrc(documentClass.getJavaClassSource().getPath());
        }
        if (generate.generateInterface()) {
            compile.addSrc(documentClass.getJavaInterfaceSource().getPath());
        }
        compile.compile(verboseOut);
    }
}