/* ======================================================================== * JCommon : a free general purpose class library for the Java(tm) platform * ======================================================================== * * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jcommon/index.html * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------------- * SplittingModelWriter.java * ------------------------- * (C)opyright 2003, by Thomas Morgner and Contributors. * * Original Author: Thomas Morgner; * Contributor(s): David Gilbert (for Object Refinery Limited); * * $Id: SplittingModelWriter.java,v 1.2 2005/10/18 13:32:20 mungady Exp $ * * Changes * ------------------------- * 12.11.2003 : Initial version * */ package org.jfree.xml.generator; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import org.jfree.io.IOUtils; import org.jfree.util.HashNMap; import org.jfree.util.Log; import org.jfree.xml.generator.model.ClassDescription; import org.jfree.xml.generator.model.DescriptionModel; import org.jfree.xml.generator.model.ManualMappingInfo; import org.jfree.xml.generator.model.MappingModel; import org.jfree.xml.generator.model.MultiplexMappingInfo; import org.jfree.xml.util.ClassModelTags; /** * A model writer that writes to multiple files. */ public class SplittingModelWriter extends ModelWriter { /** ??. */ private HashNMap classDescriptionByPackage; /** The sources. */ private ArrayList sources; /** The target file. */ private File targetFile; /** The file extension. */ private String extension; /** The plain file name. */ private String plainFileName; /** ??. */ private HashNMap manualMappingByPackage; /** ??. */ private HashNMap multiplexMappingByPackage; /** * Creates a new instance. */ public SplittingModelWriter() { super(); } /** * Writes the model to the specified target. * * @param target the target file name. * * @throws IOException if there is an I/O problem. */ public synchronized void write(final String target) throws IOException { final DescriptionModel model = getModel(); this.sources = new ArrayList(Arrays.asList(model.getSources())); this.targetFile = new File(target); this.plainFileName = IOUtils.getInstance().stripFileExtension(this.targetFile.getName()); this.extension = IOUtils.getInstance().getFileExtension(target); // split into classDescriptionByPackage ... this.classDescriptionByPackage = new HashNMap(); for (int i = 0; i < model.size(); i++) { final ClassDescription cd = model.get(i); if (cd.getSource() == null) { final String packageName = getPackage(cd.getObjectClass()); final String includeFileName = this.plainFileName + "-" + packageName + this.extension; this.classDescriptionByPackage.add(includeFileName, cd); } else { this.classDescriptionByPackage.add(cd.getSource(), cd); } } final MappingModel mappingModel = model.getMappingModel(); // split manual mappings into packages ... final ManualMappingInfo[] manualMappings = mappingModel.getManualMapping(); this.manualMappingByPackage = new HashNMap(); for (int i = 0; i < manualMappings.length; i++) { final ManualMappingInfo mapping = manualMappings[i]; if (mapping.getSource() == null) { this.manualMappingByPackage.add("", mapping); } else { this.manualMappingByPackage.add(mapping.getSource(), mapping); } } // split manual mappings into packages ... final MultiplexMappingInfo[] multiplexMappings = mappingModel.getMultiplexMapping(); this.multiplexMappingByPackage = new HashNMap(); for (int i = 0; i < multiplexMappings.length; i++) { final MultiplexMappingInfo mapping = multiplexMappings[i]; if (mapping.getSource() == null) { this.multiplexMappingByPackage.add("", mapping); } else { this.multiplexMappingByPackage.add(mapping.getSource(), mapping); } } final Object[] keys = this.classDescriptionByPackage.keySet().toArray(); for (int i = 0; i < keys.length; i++) { final String includeFileName = (String) keys[i]; // write if not contained in the master file ... if (!includeFileName.equals("")) { writePackageFile(includeFileName); } } writeMasterFile(); this.manualMappingByPackage = null; this.multiplexMappingByPackage = null; this.classDescriptionByPackage = null; this.sources = null; } /** * Writes a file for a package. * * @param includeFileName the name of the file. * * @throws IOException if there is an I/O problem. */ private void writePackageFile(final String includeFileName) throws IOException { final Iterator values = this.classDescriptionByPackage.getAll(includeFileName); final Iterator manualMappings = this.manualMappingByPackage.getAll(includeFileName); final Iterator multiplexMappings = this.multiplexMappingByPackage.getAll(includeFileName); if (!values.hasNext() && !manualMappings.hasNext() && !multiplexMappings.hasNext()) { return; } Log.debug ("Writing included file: " + includeFileName); // the current file need no longer be included manually ... this.sources.remove(includeFileName); final BufferedWriter writer = new BufferedWriter( new OutputStreamWriter( new FileOutputStream( new File(this.targetFile.getParentFile(), includeFileName) ), "UTF-8" ) ); writeXMLHeader(writer); writeStandardComment(writer, getModel().getModelComments()); getWriterSupport().writeTag(writer, ClassModelTags.OBJECTS_TAG); while (values.hasNext()) { final ClassDescription cd = (ClassDescription) values.next(); writeClassDescription(writer, cd); } while (manualMappings.hasNext()) { final ManualMappingInfo mi = (ManualMappingInfo) manualMappings.next(); writeManualMapping(writer, mi); } while (multiplexMappings.hasNext()) { final MultiplexMappingInfo mi = (MultiplexMappingInfo) multiplexMappings.next(); writeMultiplexMapping(writer, mi); } writeCloseComment(writer, getModel().getModelComments()); getWriterSupport().writeCloseTag(writer, ClassModelTags.OBJECTS_TAG); writer.close(); } /** * Returns the name of the package for the given class. This is a * workaround for the classloader behaviour of JDK1.2.2 where no * package objects are created. * * @param c the class for which we search the package. * * @return the name of the package, never null. */ public static String getPackage(final Class c) { final String className = c.getName(); final int idx = className.lastIndexOf('.'); if (idx <= 0) { // the default package return ""; } else { return className.substring(0, idx); } } /** * Writes the master file. * * @throws IOException if there is an I/O problem. */ private void writeMasterFile() throws IOException { Log.debug ("Writing master file: " + this.targetFile); final BufferedWriter writer = new BufferedWriter( new OutputStreamWriter(new FileOutputStream(this.targetFile), "UTF-8") ); writeXMLHeader(writer); writeStandardComment(writer, getModel().getModelComments()); getWriterSupport().writeTag(writer, ClassModelTags.OBJECTS_TAG); for (int i = 0; i < this.sources.size(); i++) { final String includeFileName = (String) this.sources.get(i); if (!includeFileName.equals("")) { writeTag(writer, ClassModelTags.INCLUDE_TAG, ClassModelTags.SOURCE_ATTR, includeFileName, getModel().getIncludeComment(includeFileName)); } } final Object[] keys = this.classDescriptionByPackage.keySet().toArray(); Arrays.sort(keys); for (int i = 0; i < keys.length; i++) { final String includeFileName = (String) keys[i]; if (!includeFileName.equals("")) { writeTag(writer, ClassModelTags.INCLUDE_TAG, ClassModelTags.SOURCE_ATTR, includeFileName, getModel().getIncludeComment(includeFileName)); } } final Iterator values = this.classDescriptionByPackage.getAll(""); while (values.hasNext()) { final ClassDescription cd = (ClassDescription) values.next(); writeClassDescription(writer, cd); } final Iterator manualMappings = this.manualMappingByPackage.getAll(""); while (manualMappings.hasNext()) { final ManualMappingInfo mi = (ManualMappingInfo) manualMappings.next(); writeManualMapping(writer, mi); } final Iterator multiplexMappings = this.multiplexMappingByPackage.getAll(""); while (multiplexMappings.hasNext()) { final MultiplexMappingInfo mi = (MultiplexMappingInfo) multiplexMappings.next(); writeMultiplexMapping(writer, mi); } writeCloseComment(writer, getModel().getModelComments()); getWriterSupport().writeCloseTag(writer, ClassModelTags.OBJECTS_TAG); writer.close(); } }