| /* |
| * 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.internal.javadoc; |
| |
| import com.sun.javadoc.RootDoc; |
| import java.lang.reflect.Method; |
| |
| /** |
| * Used by JDClassLoaderFactory to ensure that we always stash the results |
| * of a javadoc run in a place where we can get them. This is particularly |
| * painful because one implements a javdoc doclet by providing a static |
| * callback method. In the case of multiple classloaders, extra care must be |
| * taken to ensure that we can stash away the RootDoc result received in |
| * the callback and retrieve it later. |
| * |
| * @author Patrick Calahan <pcal@bea.com> |
| */ |
| public class JavadocResults { |
| |
| // ======================================================================== |
| // Singleton |
| |
| private static final JavadocResults INSTANCE = new JavadocResults(); |
| |
| // ======================================================================== |
| // Variables |
| |
| private ThreadLocal mRootsPerThread = new ThreadLocal(); |
| |
| // ======================================================================== |
| // Public methods |
| |
| public static void prepare() { |
| Thread.currentThread(). |
| setContextClassLoader(JavadocResults.class.getClassLoader()); |
| } |
| |
| public static void setRoot(RootDoc root) { |
| try { |
| Object holder = getHolder(); |
| Method setter = holder.getClass().getMethod("_setRoot", |
| new Class[] { RootDoc.class }); |
| setter.invoke(holder,new Object[] {root}); |
| } catch(Exception e) { |
| e.printStackTrace(); |
| throw new IllegalStateException();//FIXME?? |
| } |
| } |
| |
| public static RootDoc getRoot() { |
| try { |
| Object holder = getHolder(); |
| Method getter = holder.getClass().getMethod("_getRoot",new Class[0]); |
| return (RootDoc)getter.invoke(holder,null); |
| } catch(Exception e) { |
| e.printStackTrace(); |
| throw new IllegalStateException();//FIXME?? |
| } |
| } |
| |
| // ======================================================================== |
| // DO NOT CALL THESE METHODS |
| |
| public void _setRoot(RootDoc root) { mRootsPerThread.set(root); } |
| |
| public RootDoc _getRoot() { return (RootDoc)mRootsPerThread.get(); } |
| |
| public static JavadocResults getInstance() { return INSTANCE; } |
| |
| private static Object getHolder() throws Exception { |
| ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); |
| Class clazz = classLoader.loadClass(JavadocResults.class.getName()); |
| Method method = clazz.getMethod("getInstance",new Class[0]); |
| return method.invoke(null,new Object[0]); |
| } |
| |
| } |