ohair@286: /*
ohair@286:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.tools.internal.ws;
ohair@286: 
ohair@286: import com.sun.istack.internal.tools.MaskingClassLoader;
ohair@286: import com.sun.istack.internal.tools.ParallelWorldClassLoader;
ohair@286: import com.sun.tools.internal.ws.resources.WscompileMessages;
ohair@286: import com.sun.tools.internal.ws.wscompile.Options;
ohair@286: import com.sun.tools.internal.xjc.api.util.ToolsJarNotFoundException;
ohair@286: import com.sun.xml.internal.bind.util.Which;
ohair@286: 
ohair@286: import javax.xml.ws.Service;
ohair@286: import javax.xml.ws.WebServiceFeature;
ohair@286: import javax.xml.namespace.QName;
ohair@286: import java.io.File;
ohair@286: import java.io.OutputStream;
ohair@286: import java.io.IOException;
ohair@286: import java.lang.reflect.Constructor;
ohair@286: import java.lang.reflect.InvocationTargetException;
ohair@286: import java.lang.reflect.Method;
ohair@286: import java.net.MalformedURLException;
ohair@286: import java.net.URL;
ohair@286: import java.net.URLClassLoader;
ohair@286: import java.util.ArrayList;
ohair@286: import java.util.Arrays;
ohair@286: import java.util.List;
ohair@286: 
ohair@286: /**
ohair@286:  * Invokes JAX-WS tools in a special class loader that can pick up annotation processing classes,
ohair@286:  * even if it's not available in the tool launcher classpath.
ohair@286:  *
ohair@286:  * @author Kohsuke Kawaguchi
ohair@286:  */
ohair@286: public final class Invoker {
ohair@286:     static int invoke(String mainClass, String[] args) throws Throwable {
ohair@286:         // use the platform default proxy if available.
ohair@286:         // see sun.net.spi.DefaultProxySelector for details.
ohair@286:         if(!noSystemProxies) {
ohair@286:             try {
ohair@286:                 System.setProperty("java.net.useSystemProxies","true");
ohair@286:             } catch (SecurityException e) {
ohair@286:                 // failing to set this property isn't fatal
ohair@286:             }
ohair@286:         }
ohair@286: 
ohair@286:         ClassLoader oldcc = Thread.currentThread().getContextClassLoader();
ohair@286:         try {
ohair@286:             ClassLoader cl = Invoker.class.getClassLoader();
ohair@286:             if(Arrays.asList(args).contains("-Xendorsed"))
ohair@286:                 cl = createClassLoader(cl); // perform JDK6 workaround hack
ohair@286:             else {
ohair@286:                 int targetArgIndex = Arrays.asList(args).indexOf("-target");
ohair@286:                 Options.Target targetVersion;
ohair@286:                 if (targetArgIndex != -1) {
ohair@286:                     targetVersion = Options.Target.parse(args[targetArgIndex+1]);
ohair@286:                 } else {
ohair@286:                     targetVersion = Options.Target.getDefault();
ohair@286:                 }
ohair@286:                 Options.Target loadedVersion = Options.Target.getLoadedAPIVersion();
ohair@286: 
ohair@286:                 //Check if the target version is supported by the loaded API version
ohair@286:                 if (!loadedVersion.isLaterThan(targetVersion)) {
ohair@286:                     if (Service.class.getClassLoader() == null)
ohair@286:                         System.err.println(WscompileMessages.INVOKER_NEED_ENDORSED(loadedVersion.getVersion(), targetVersion.getVersion()));
ohair@286:                     else {
ohair@286:                         System.err.println(WscompileMessages.WRAPPER_TASK_LOADING_INCORRECT_API(loadedVersion.getVersion(), Which.which(Service.class), targetVersion.getVersion()));
ohair@286:                     }
ohair@286:                     return -1;
ohair@286:                 }
ohair@286: 
ohair@286:                 //find and load tools.jar
ohair@286:                 List<URL> urls = new ArrayList<URL>();
ohair@286:                 findToolsJar(cl, urls);
ohair@286: 
ohair@286:                 if(urls.size() > 0){
ohair@286:                     List<String> mask = new ArrayList<String>(Arrays.asList(maskedPackages));
ohair@286: 
ohair@286:                     // first create a protected area so that we load JAXB/WS 2.1 API
ohair@286:                     // and everything that depends on them inside
ohair@286:                     cl = new MaskingClassLoader(cl,mask);
ohair@286: 
ohair@286:                     // then this classloader loads the API and tools.jar
ohair@286:                     cl = new URLClassLoader(urls.toArray(new URL[urls.size()]), cl);
ohair@286: 
ohair@286:                     // finally load the rest of the RI. The actual class files are loaded from ancestors
ohair@286:                     cl = new ParallelWorldClassLoader(cl,"");
ohair@286:                 }
ohair@286: 
ohair@286:             }
ohair@286: 
ohair@286:             Thread.currentThread().setContextClassLoader(cl);
ohair@286: 
ohair@286:             Class compileTool = cl.loadClass(mainClass);
ohair@286:             Constructor ctor = compileTool.getConstructor(OutputStream.class);
ohair@286:             Object tool = ctor.newInstance(System.out);
ohair@286:             Method runMethod = compileTool.getMethod("run",String[].class);
ohair@286:             boolean r = (Boolean)runMethod.invoke(tool,new Object[]{args});
ohair@286:             return r ? 0 : 1;
ohair@286:         } catch (ToolsJarNotFoundException e) {
ohair@286:             System.err.println(e.getMessage());
ohair@286:         } catch (InvocationTargetException e) {
ohair@286:             throw e.getCause();
ohair@286:         } catch(ClassNotFoundException e){
ohair@286:             throw e;
ohair@286:         }finally {
ohair@286:             Thread.currentThread().setContextClassLoader(oldcc);
ohair@286:         }
ohair@286: 
ohair@286:         return -1;
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * Returns true if the RI appears to be loading the JAX-WS 2.1 API.
ohair@286:      */
ohair@286:     public static boolean checkIfLoading21API() {
ohair@286:         try {
ohair@286:             Service.class.getMethod("getPort",Class.class, WebServiceFeature[].class);
ohair@286:             // yup. things look good.
ohair@286:             return true;
ohair@286:         } catch (NoSuchMethodException e) {
ohair@286:         } catch (LinkageError e) {
ohair@286:         }
ohair@286:         // nope
ohair@286:         return false;
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:     * Returns true if the RI appears to be loading the JAX-WS 2.2 API.
ohair@286:     */
ohair@286:    public static boolean checkIfLoading22API() {
ohair@286:        try {
ohair@286:            Service.class.getMethod("create",java.net.URL.class, QName.class, WebServiceFeature[].class);
ohair@286:            // yup. things look good.
ohair@286:            return true;
ohair@286:        } catch (NoSuchMethodException e) {
ohair@286:        } catch (LinkageError e) {
ohair@286:        }
ohair@286:        // nope
ohair@286:        return false;
ohair@286:    }
ohair@286: 
ohair@286: 
ohair@286:     /**
ohair@286:      * Creates a classloader that can load JAXB/WS 2.2 API and tools.jar,
ohair@286:      * and then return a classloader that can RI classes, which can see all those APIs and tools.jar.
ohair@286:      */
ohair@286:     public static ClassLoader createClassLoader(ClassLoader cl) throws ClassNotFoundException, IOException, ToolsJarNotFoundException {
ohair@286: 
ohair@286:         URL[] urls = findIstack22APIs(cl);
ohair@286:         if(urls.length==0)
ohair@286:             return cl;  // we seem to be able to load everything already. no need for the hack
ohair@286: 
ohair@286:         List<String> mask = new ArrayList<String>(Arrays.asList(maskedPackages));
ohair@286:         if(urls.length>1) {
ohair@286:             // we need to load 2.1 API from side. so add them to the mask
ohair@286:             mask.add("javax.xml.bind.");
ohair@286:             mask.add("javax.xml.ws.");
ohair@286:         }
ohair@286: 
ohair@286:         // first create a protected area so that we load JAXB/WS 2.1 API
ohair@286:         // and everything that depends on them inside
ohair@286:         cl = new MaskingClassLoader(cl,mask);
ohair@286: 
ohair@286:         // then this classloader loads the API and tools.jar
ohair@286:         cl = new URLClassLoader(urls, cl);
ohair@286: 
ohair@286:         // finally load the rest of the RI. The actual class files are loaded from ancestors
ohair@286:         cl = new ParallelWorldClassLoader(cl,"");
ohair@286: 
ohair@286:         return cl;
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * Creates a classloader for loading JAXB/WS 2.1 jar and tools.jar
ohair@286:      */
ohair@286:     private static URL[] findIstack21APIs(ClassLoader cl) throws ClassNotFoundException, MalformedURLException, ToolsJarNotFoundException {
ohair@286:         List<URL> urls = new ArrayList<URL>();
ohair@286: 
ohair@286:         if(Service.class.getClassLoader()==null) {
ohair@286:             // JAX-WS API is loaded from bootstrap classloader
ohair@286:             URL res = cl.getResource("javax/xml/ws/EndpointReference.class");
ohair@286:             if(res==null)
ohair@286:                 throw new ClassNotFoundException("There's no JAX-WS 2.1 API in the classpath");
ohair@286:             urls.add(ParallelWorldClassLoader.toJarUrl(res));
ohair@286: 
ohair@286:             res = cl.getResource("javax/xml/bind/annotation/XmlSeeAlso.class");
ohair@286:             if(res==null)
ohair@286:                 throw new ClassNotFoundException("There's no JAXB 2.1 API in the classpath");
ohair@286:             urls.add(ParallelWorldClassLoader.toJarUrl(res));
ohair@286:         }
ohair@286: 
ohair@286:         findToolsJar(cl, urls);
ohair@286: 
ohair@286:         return urls.toArray(new URL[urls.size()]);
ohair@286:     }
ohair@286:     /**
ohair@286:      * Creates a classloader for loading JAXB/WS 2.2 jar and tools.jar
ohair@286:      */
ohair@286:     private static URL[] findIstack22APIs(ClassLoader cl) throws ClassNotFoundException, IOException, ToolsJarNotFoundException {
ohair@286:         List<URL> urls = new ArrayList<URL>();
ohair@286: 
ohair@286:         if(Service.class.getClassLoader()==null) {
ohair@286:             // JAX-WS API is loaded from bootstrap classloader
ohair@286:             URL res = cl.getResource("javax/xml/ws/EndpointContext.class");
ohair@286:             if(res==null)
ohair@286:                 throw new ClassNotFoundException("There's no JAX-WS 2.2 API in the classpath");
ohair@286:             urls.add(ParallelWorldClassLoader.toJarUrl(res));
ohair@286:             res = cl.getResource("javax/xml/bind/JAXBPermission.class");
ohair@286:             if(res==null)
ohair@286:                 throw new ClassNotFoundException("There's no JAXB 2.2 API in the classpath");
ohair@286:             urls.add(ParallelWorldClassLoader.toJarUrl(res));
ohair@286:         }
ohair@286: 
ohair@286:         findToolsJar(cl, urls);
ohair@286: 
ohair@286:         return urls.toArray(new URL[urls.size()]);
ohair@286:     }
ohair@286: 
ohair@286:     private static void findToolsJar(ClassLoader cl, List<URL> urls) throws ToolsJarNotFoundException, MalformedURLException {
ohair@286:         try {
ohair@286:             Class.forName("com.sun.tools.javac.Main",false,cl);
ohair@286:             // we can already load them in the parent class loader.
ohair@286:             // so no need to look for tools.jar.
ohair@286:             // this happens when we are run inside IDE/Ant, or
ohair@286:             // in Mac OS.
ohair@286:         } catch (ClassNotFoundException e) {
ohair@286:             // otherwise try to find tools.jar
ohair@286:             File jreHome = new File(System.getProperty("java.home"));
ohair@286:             File toolsJar = new File( jreHome.getParent(), "lib/tools.jar" );
ohair@286: 
ohair@286:             if (!toolsJar.exists()) {
ohair@286:                 throw new ToolsJarNotFoundException(toolsJar);
ohair@286:             }
ohair@286:             urls.add(toolsJar.toURL());
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     /**
ohair@286:      * The list of package prefixes we want the
ohair@286:      * {@link MaskingClassLoader} to prevent the parent
ohair@286:      * classLoader from loading
ohair@286:      */
ohair@286:     public static String[] maskedPackages = new String[]{
ohair@286:         "com.sun.istack.internal.tools.",
ohair@286:         "com.sun.tools.internal.jxc.",
ohair@286:         "com.sun.tools.internal.xjc.",
ohair@286:         "com.sun.tools.internal.ws.",
ohair@286:         "com.sun.codemodel.internal.",
ohair@286:         "com.sun.relaxng.",
ohair@286:         "com.sun.xml.internal.xsom.",
ohair@286:         "com.sun.xml.internal.bind.",
ohair@286:         "com.ctc.wstx.", //wsimport, wsgen ant task
ohair@286:         "org.codehaus.stax2.", //wsimport, wsgen ant task
ohair@286:         "com.sun.xml.internal.messaging.saaj.", //wsgen ant task
ohair@286:         "com.sun.xml.internal.ws."
ohair@286:     };
ohair@286: 
ohair@286:     /**
ohair@286:      * Escape hatch to work around IBM JDK problem.
ohair@286:      * See http://www-128.ibm.com/developerworks/forums/dw_thread.jsp?nav=false&forum=367&thread=164718&cat=10
ohair@286:      */
ohair@286:     public static boolean noSystemProxies = false;
ohair@286: 
ohair@286:     static {
ohair@286:         try {
ohair@286:             noSystemProxies = Boolean.getBoolean(Invoker.class.getName()+".noSystemProxies");
ohair@286:         } catch(SecurityException e) {
ohair@286:             // ignore
ohair@286:         }
ohair@286:     }
ohair@286: }