src/org/apache/xalan/xsltc/cmdline/Compile.java

/*
 * @(#)$Id$
 *
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xalan" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2001, Sun
 * Microsystems., http://www.sun.com.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * @author Jacek Ambroziak
 * @author Santiago Pericas-Geertsen
 * @author G. Todd Miller
 * @author Morten Jorgensen
 *
 */

package org.apache.xalan.xsltc.cmdline;

import java.io.*;
import java.util.Vector;
import java.net.URL;

import org.apache.xalan.xsltc.DOM;
import org.apache.xalan.xsltc.Translet;
import org.apache.xalan.xsltc.TransletOutputHandler;

import org.apache.xalan.xsltc.compiler.XSLTC;
import org.apache.xalan.xsltc.compiler.util.Util;
import org.apache.xalan.xsltc.cmdline.getopt.*;

public final class Compile {

    private final static String USAGE_STRING =
	"Usage:\n" + 
	"   xsltc [-o <output>] [-d <directory>] [-j <jarfile>]\n"+
	"         [-p <package name>] [-x] [-u] <stylesheet>... \n\n"+
	"   Where <output> is the name to give the the generated translet.\n"+
	"         <stylesheet> is one or more stylesheet file names, or if,\n"+
	"         the -u options is specified, one or more stylesheet URLs.\n"+
	"         <directory> is the output directory.\n"+
	"         <jarfile> is the name of a JAR-file to put all generated classes in.\n"+
	"         <package-name> is a package name to prefix all class names with.\n\n"+
	"   Notes:\n"+
	"         The -o option is ignored when multiple stylesheets are specified.\n"+
	"         The -x option switched on debug messages.";
    
    public static void printUsage() {
	System.err.println(USAGE_STRING);
	System.exit(-1);
    }

    /** 
     * This method implements the command line compiler. See the USAGE_STRING
     * constant for a description. It may make sense to move the command-line
     * handling to a separate package (ie. make one xsltc.cmdline.Compiler
     * class that contains this main() method and one xsltc.cmdline.Transform
     * class that contains the DefaultRun stuff).
     */
    public static void main(String[] args) {
	try {
	    boolean inputIsURL = false;

	    final GetOpt getopt = new GetOpt(args, "o:d:j:p:uxhs");
	    if (args.length < 1) printUsage();

	    final XSLTC xsltc = new XSLTC();
	    xsltc.init();

	    int c;
	    while ((c = getopt.getNextOption()) != -1) {
		switch(c) {
		case 'o':
		    xsltc.setClassName(getopt.getOptionArg());
		    break;
		case 'd':
		    xsltc.setDestDirectory(getopt.getOptionArg());
		    break;
		case 'p':
		    xsltc.setPackageName(getopt.getOptionArg());
		    break;
		case 'j':  
		    xsltc.setJarFileName(getopt.getOptionArg());
		    break;
		case 'x':
		    xsltc.setDebug(true);
		    break;
		case 'u':
		    inputIsURL = true;
		    break;
		case 'h':
		default:
		    printUsage();
		    break; 
		}
	    }

	    // Generate a vector containg URLs for all stylesheets specified
	    final String[] stylesheetNames = getopt.getCmdArgs();
	    final Vector   stylesheetVector = new Vector();
	    for (int i = 0; i < stylesheetNames.length; i++) {
		final String name = stylesheetNames[i];
		URL url;
		if (inputIsURL)
		    url = new URL(name);
		else
		    url = (new File(name)).toURL();
		stylesheetVector.addElement(url);
	    }

	    // Compile the stylesheet and output class/jar file(s)
	    if (xsltc.compile(stylesheetVector)) {
		xsltc.printWarnings();
		if (xsltc.getJarFileName() != null) xsltc.outputToJar();
		System.exit(0);
	    }
	    else {
		xsltc.printWarnings();
		xsltc.printErrors();
		System.exit(-1);
	    }
	}
	catch (GetOptsException ex) {
	    System.err.println(ex);
	    printUsage(); // exits with code '-1'
	}
	catch (Exception e) {
	    e.printStackTrace();
	    System.exit(-1);
	}
    }

}