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- /*
-
- ============================================================================
- The Apache Software License, Version 1.1
- ============================================================================
-
- Copyright (C) 1999 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.tools.anttasks;
-
- // Ant
- import org.apache.tools.ant.*;
-
-
- // SAX
- import org.xml.sax.XMLReader;
- import org.xml.sax.InputSource;
- import org.xml.sax.SAXException;
- import org.xml.sax.SAXParseException;
-
- // Java
- import java.io.*;
- import java.util.*;
-
- // FOP
- import org.apache.fop.messaging.*;
- import org.apache.fop.apps.Starter;
- import org.apache.fop.apps.InputHandler;
- import org.apache.fop.apps.FOInputHandler;
- import org.apache.fop.apps.Driver;
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.configuration.Configuration;
-
-
- /**
- * Wrapper for Fop which allows it to be accessed from within an Ant task.
- * Accepts the inputs:
- * <ul>
- * <li>fofile -> formatting objects file to be transformed</li>
- * <li>pdffile -> output filename</li>
- * <li>basedir -> directory to work from</li>
- * <li>messagelevel -> (info | verbose | debug) level to output non-error messages</li>
- * </ul>
- */
-
- public class Fop extends Task {
- File foFile;
- File pdfFile;
- File baseDir;
- int messageType = Project.MSG_VERBOSE;
-
- /**
- * Sets the input file
- * @param File to input from
- */
- public void setFofile(File foFile) {
- this.foFile = foFile;
- }
-
- /**
- * Gets the input file
- */
- public File getFofile() {
- if(foFile == null) {
- log("fofile attribute is not set", Project.MSG_ERR);
- throw new BuildException("fofile attribute is not set");
- }
- return foFile;
- }
-
- /**
- * Sets the output file
- * @param File to output to
- */
- public void setPdffile(File pdfFile) {
- this.pdfFile = pdfFile;
- }
-
- /**
- * Sets the output file
- */
- public File getPdffile() {
- if(pdfFile == null) {
- log("pdffile attribute is not set", Project.MSG_ERR);
- throw new BuildException("pdffile attribute is not set");
- }
- return pdfFile;
- }
-
- /**
- * Sets the message level to be used while processing.
- * @param String (info | verbose | debug)
- */
- public void setMessagelevel(String messageLevel) {
- if(messageLevel.equalsIgnoreCase("info")) {
- messageType = Project.MSG_INFO;
- } else if(messageLevel.equalsIgnoreCase("verbose")) {
- messageType = Project.MSG_VERBOSE;
- } else if(messageLevel.equalsIgnoreCase("debug")) {
- messageType = Project.MSG_DEBUG;
- } else {
- log("messagelevel set to unknown value \"" + messageLevel + "\"", Project.MSG_ERR);
- throw new BuildException("unknown messagelevel");
- }
- }
-
- /**
- * Returns the message type corresponding to Property.MSG_(INFO | VERBOSE | DEBUG)
- * representing the current message level.
- */
- public int getMessageType() {
- return messageType;
- }
-
- /**
- * Sets the base directory; currently ignored
- * @param File to use as a working directory
- */
- public void setBasedir(File baseDir) {
- this.baseDir = baseDir;
- }
-
- /**
- * Gets the base directory
- */
- public File getBasedir() {
- return (baseDir != null) ? baseDir : project.resolveFile(".");
- }
-
- /**
- * Starts execution of this task
- */
- public void execute () throws BuildException {
- try {
- Starter starter = new FOPTaskStarter(this);
- starter.run();
- }
- catch (FOPException ex) {
- throw new BuildException(ex);
- }
-
- }
- }
-
- class FOPTaskStarter extends Starter {
- Fop task;
- MessageLogger logger;
-
- FOPTaskStarter(Fop task)
- throws FOPException
- {
- this.task = task;
- MessageHandler.setOutputMethod(MessageHandler.EVENT);
- logger = new MessageLogger(new MessageHandler(), task);
- logger.setMessageLevel(task.getMessageType());
- }
-
- public void run ()
- throws FOPException
- {
- Configuration.put("basedir", task.getBasedir());
-
- InputHandler inputHandler = new FOInputHandler(task.getFofile());
- XMLReader parser = inputHandler.getParser();
- setParserFeatures(parser);
-
- FileOutputStream pdfOut = null;
- try {
- pdfOut = new FileOutputStream(task.getPdffile());
- }catch(Exception ex) {
- MessageHandler.errorln("Failed to open " + task.getPdffile());
- throw new BuildException(ex);
- }
-
- task.log("Using base directory: " + Configuration.getValue("basedir"), Project.MSG_DEBUG);
- task.log(task.getFofile().getName() + " -> " + task.getPdffile().getName(), Project.MSG_INFO);
-
- try {
- Driver driver = new Driver(inputHandler.getInputSource(), pdfOut);
- driver.setRenderer(Driver.RENDER_PDF);
- driver.setXMLReader(parser);
- driver.run();
- } catch (Exception ex) {
- MessageHandler.logln("Error: " + ex.getMessage());
- throw new BuildException(ex);
- }
- logger.die();
- }
- }
-
- class MessageLogger implements MessageListener {
- MessageHandler handler;
- Task task;
- int messageLevel = Project.MSG_VERBOSE;
- int lastMessageLevel = Integer.MIN_VALUE;
- StringBuffer cache = new StringBuffer();
- String breakChars = "\n";
- boolean performCaching = true;
-
- MessageLogger(MessageHandler handler, Task task) {
- this(handler, task, Project.MSG_VERBOSE);
- }
-
- MessageLogger(MessageHandler handler, Task task, int messageLevel) {
- this.handler = handler;
- this.task = task;
- setMessageLevel(messageLevel);
- handler.addListener(this);
- }
-
- public void setMessageLevel(int messageLevel) {
- this.messageLevel = messageLevel;
- }
-
- public int getMessageLevel() {
- return messageLevel;
- }
-
- public void processMessage(MessageEvent event) {
- task.log("Logger got message: \"" + event.getMessage() + "\"", Project.MSG_DEBUG);
-
- boolean flushed = false;
-
- if(!flushed) {
- int messageLevel;
- if(event.getMessageType() == MessageEvent.ERROR) {
- messageLevel = Project.MSG_ERR;
- } else {
- messageLevel = this.messageLevel;
- }
- if(messageLevel != lastMessageLevel) {
- flush();
- flushed = true;
- }
- lastMessageLevel = messageLevel;
- }
-
- cache.append(event.getMessage());
-
- if(!performCaching) {
- flush();
- flushed = true;
- }
-
- for(int i = 0; !flushed && i < breakChars.length(); i++) {
- if(event.getMessage().lastIndexOf(breakChars.charAt(i)) != -1) {
- flush();
- flushed = true;
- }
- }
- }
-
- public void flush() {
- StringTokenizer output = new StringTokenizer(cache.toString(), "\n", false);
- while(output.hasMoreElements()) {
- task.log(output.nextElement().toString(), lastMessageLevel);
- }
- cache.setLength(0);
- }
-
- public void die() {
- flush();
- // because MessageHandler is static this has to be done
- // or you can get duplicate messages if there are
- // multiple <fop> tags in a buildfile
- handler.removeListener(this);
- }
- }
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