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- /*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
- package org.apache.fop.tools.anttasks;
-
- // Ant
- import org.apache.tools.ant.*;
-
- import org.apache.log.*;
- import org.apache.log.format.*;
- import org.apache.log.output.io.*;
- import org.apache.log.output.*;
-
- // 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;
- Logger log;
-
- FOPTaskStarter(Fop task) throws FOPException {
- this.task = task;
-
- Hierarchy hierarchy = new Hierarchy();
- // PatternFormatter formatter = new PatternFormatter(
- // "[%{priority}] %{category}: %{message}\n%{throwable}" );
- PatternFormatter formatter = new PatternFormatter("%{message}\n%{throwable}");
-
- LogTarget target = null;
- boolean doConsoleLogging = true;
- if (doConsoleLogging) {
- target = new StreamTarget(System.out, formatter);
- } else {
- try {
- File f = new File("fop.log");
- target = new FileTarget(f, false, formatter);
- } catch (IOException e) {}
- }
-
- hierarchy.setDefaultLogTarget(target);
- log = hierarchy.getLoggerFor("fop");
- log.setPriority(Priority.INFO);
- }
-
- public void run() throws FOPException {
- try {
- // Configuration.put("baseDir", task.getBasedir().toURL().toExternalForm());
- Configuration.put("baseDir",
- task.getFofile().getParentFile().toURL().toExternalForm());
- } catch (Exception e) {
- task.log("Error setting base directory", Project.MSG_DEBUG);
- }
-
- InputHandler inputHandler = new FOInputHandler(task.getFofile());
- XMLReader parser = inputHandler.getParser();
- setParserFeatures(parser);
-
- FileOutputStream pdfOut = null;
- try {
- pdfOut = new FileOutputStream(task.getPdffile());
- } catch (Exception ex) {
- log.error("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.setLogger(log);
- driver.setRenderer(Driver.RENDER_PDF);
- driver.setXMLReader(parser);
- driver.run();
- } catch (Exception ex) {
- log.error("Couldn't render pdf: " + ex.getMessage());
- throw new BuildException(ex);
- }
- }
-
- }
- /*
- 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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