fop/src/java/org/apache/fop/apps/CommandLineStarter.java

/*
 * $Id$
 * ============================================================================
 *                    The Apache Software License, Version 1.1
 * ============================================================================
 * 
 * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, 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 "FOP" 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 (INCLU-
 * DING, 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 created by
 * James Tauber <jtauber@jtauber.com>. For more information on the Apache
 * Software Foundation, please see <http://www.apache.org/>.
 */ 
package org.apache.fop.apps;

// Java
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;

// Avalon
import org.apache.avalon.framework.logger.AbstractLogEnabled;

// FOP
import org.apache.fop.render.awt.AWTRenderer;

/**
 * super class for all classes which start Fop from the commandline
 *
 * Modified to use new streaming API by Mark Lillywhite, mark-fop@inomial.com
 */
public class CommandLineStarter extends AbstractLogEnabled {

    /** the command-line options associated with this starter */
    protected CommandLineOptions commandLineOptions;

    /** InputHandler associated with this Starter */
    protected InputHandler inputHandler;

    /**
     * Main constructor
     * @param commandLineOptions command-line options to use
     * @throws FOPException In case of failure
     */
    public CommandLineStarter(CommandLineOptions commandLineOptions)
                throws FOPException {
        this.commandLineOptions = commandLineOptions;
        inputHandler = commandLineOptions.getInputHandler();
    }

    /**
     * Run the format.
     * @exception FOPException if there is an error during processing
     */
    public void run() throws FOPException {
        BufferedOutputStream bos = null;
        String version = Version.getVersion();
        getLogger().info(version);
        Driver driver = new Driver();
        setupLogger(driver);

        try {
            if (commandLineOptions.getOutputMode() == CommandLineOptions.AWT_OUTPUT) {
                driver.setRenderer(new AWTRenderer(inputHandler));
            } else { 
                driver.setRenderer(commandLineOptions.getRenderer());
            }

            try {
                if (commandLineOptions.getOutputFile() != null) {
                    bos = new BufferedOutputStream(new FileOutputStream(
                        commandLineOptions.getOutputFile()));
                    driver.setOutputStream(bos);
                }

                if (driver.getRenderer() != null) {
                    driver.getRenderer().setOptions(
                  commandLineOptions.getRendererOptions());
                }
                driver.render(inputHandler);
            } finally {
                if (bos != null) {
                    bos.close();
                }
            }
        } catch (Exception e) {
            if (e instanceof FOPException) {
                throw (FOPException) e;
            }
            throw new FOPException(e);
        }
    }

}