| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2003 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 "Apache" 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 |
| * XMLBeans", 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) 2003 BEA Systems |
| * Inc., <http://www.bea.com/>. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xmlbeans.impl.jam; |
| |
| import org.apache.xmlbeans.impl.jam.internal.JFileSetImpl; |
| import org.apache.xmlbeans.impl.jam.internal.JamPrinter; |
| import org.apache.xmlbeans.impl.jam.internal.javadoc.JDClassLoader; |
| import org.apache.xmlbeans.impl.jam.internal.javadoc.JDClassLoaderFactory; |
| import org.apache.xmlbeans.impl.jam.internal.reflect.RClassLoader; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Collection; |
| |
| /** |
| * <p>This is the entry point into the JAM subsystem. JFactory is a |
| * singleton which builds everything you need to get started with a JAM.</p> |
| * |
| * <p>Here is a simple usage example which parses all of the source files |
| * in weblogic/utils/jam and prints out the classnames that were |
| * found.</p> |
| * |
| * <pre> |
| * JFactory factory = JFactory.getInstance(); |
| * JFileSet files = factory.createFileSet(new File("c:\\weblogic\\dev\\src")); |
| * files.include("weblogic\\utils\\jam\\**\\*.java"); |
| * JClass[] classes = factory.loadSources(files); |
| * for(int i=0; i<classes.length; i++) { |
| * System.out.println(classes[i].getQualifiedName()); |
| * } |
| * </pre> |
| * |
| * @author Patrick Calahan <pcal@bea.com> |
| */ |
| public class JFactory { |
| |
| // ======================================================================== |
| // Singleton |
| |
| /** |
| * Returns the singleton JFactory instance. |
| */ |
| public static JFactory getInstance() { |
| return INSTANCE; |
| } |
| |
| private static final JFactory INSTANCE = new JFactory(); |
| |
| private JFactory() { |
| } |
| |
| // ======================================================================== |
| // Constants |
| |
| private JClassLoader SYSTEM_CL = |
| new RClassLoader(ClassLoader.getSystemClassLoader()); |
| // REVIEW i think this needs to be even more special |
| |
| // ======================================================================== |
| // Public methods |
| |
| /** |
| * Create an object which is used to describe a set of java source |
| * files to be parsed. Once created, patterns of files to be |
| * included or excluded can be specified on the JFileSet. See |
| * @link JFileSet for more information. |
| * |
| * @param rootDir The root directory of the fileset. All include and |
| * exclude patterns are relative to this directory. This File must |
| * exist and must be a directory. |
| */ |
| public JFileSet createFileSet(File rootDir) { |
| return new JFileSetImpl(rootDir); |
| } |
| |
| /** |
| * Note that this method is guaranteed to return a non-empty array; |
| * FileNotFoundException is thrown if no classes are found to parse. |
| * |
| * @throws FileNotFoundException If no java source files could be |
| * located in the given fileset. |
| * @throws IOException If an IO error occurred while reading the |
| * source files. |
| */ |
| public JClass[] loadSources(JFileSet fs) |
| throws IOException, FileNotFoundException { |
| return loadSources(fs, null, null, new PrintWriter(System.out)); |
| } |
| |
| /** |
| * Note that this method is guaranteed to return a non-empty array; |
| * FileNotFoundException is thrown if no classes are found to parse. |
| * |
| * @throws FileNotFoundException If no java source files could be |
| * located in the given fileset. |
| * @throws IOException If an IO error occurred while reading the |
| * source files. |
| */ |
| public JClass[] loadSources(JFileSet fs, |
| JClassLoader parentLoader, |
| JAnnotationLoader annLoader, |
| PrintWriter log) |
| throws IOException, FileNotFoundException { |
| JDClassLoader loader = JDClassLoaderFactory.getInstance(). |
| create(fs, parentLoader, annLoader, log); |
| Collection classes = loader.getResolvedClasses(); |
| JClass[] out = new JClass[classes.size()]; |
| classes.toArray(out); |
| return out; |
| } |
| |
| /** |
| * @param parent Optional parameter which specifies a parent |
| * JClassLoader for the created JClassLoader. If null, the parent |
| * is the System JClassLoader. |
| * |
| * @param annLoader Optional loader for supplemental annotations for |
| * classes loaded by the created classloader. |
| */ |
| public JClassLoader createClassLoader(ClassLoader cl, |
| JClassLoader parent, |
| JAnnotationLoader annLoader) { |
| return new RClassLoader(cl, parent);//FIXME |
| } |
| |
| public JClassLoader getSystemClassLoader() { |
| return SYSTEM_CL; |
| } |
| |
| // ======================================================================== |
| // main() method |
| |
| /** |
| * main method is provided for debugging. |
| */ |
| public static void main(String[] args) throws Exception { |
| if (args.length == 0) { |
| System.out.println("Usage:\n java org.apache.xmlbeans.impl.jam.JFactory " + |
| "include [include]..."); |
| System.out.flush(); |
| System.exit(-1); |
| } |
| // create the factory |
| JFactory factory = new JFactory(); |
| JFileSet fs = factory.createFileSet(new File(".")); |
| for (int i = 0; i < args.length; i++) fs.include(args[i]); |
| JClass[] classes = factory.loadSources(fs); |
| JamPrinter printer = JamPrinter.newInstance(); |
| PrintWriter out = new PrintWriter(System.out, true); |
| for (int i = 0; i < classes.length; i++) { |
| printer.print(classes[i], out); |
| } |
| System.out.flush(); |
| } |
| } |