jaxws/src/jdk.xml.ws/share/classes/com/sun/tools/internal/ws/Invoker.java
changeset 25871 b80b84e87032
parent 16791 fe5141eabb0e
child 26658 e04929038abf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/jdk.xml.ws/share/classes/com/sun/tools/internal/ws/Invoker.java	Sun Aug 17 15:52:15 2014 +0100
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.internal.ws;
+
+import com.sun.istack.internal.tools.MaskingClassLoader;
+import com.sun.istack.internal.tools.ParallelWorldClassLoader;
+import com.sun.tools.internal.ws.resources.WscompileMessages;
+import com.sun.tools.internal.ws.wscompile.Options;
+import com.sun.tools.internal.xjc.api.util.ToolsJarNotFoundException;
+import com.sun.xml.internal.bind.util.Which;
+
+import javax.xml.ws.Service;
+import javax.xml.ws.WebServiceFeature;
+import javax.xml.namespace.QName;
+import java.io.File;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Invokes JAX-WS tools in a special class loader that can pick up annotation processing classes,
+ * even if it's not available in the tool launcher classpath.
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public final class Invoker {
+
+    /**
+     * The list of package prefixes we want the
+     * {@link MaskingClassLoader} to prevent the parent
+     * classLoader from loading
+     */
+    static final String[] maskedPackages = new String[]{
+            "com.sun.istack.internal.tools.",
+            "com.sun.tools.internal.jxc.",
+            "com.sun.tools.internal.xjc.",
+            "com.sun.tools.internal.ws.",
+            "com.sun.codemodel.internal.",
+            "com.sun.relaxng.",
+            "com.sun.xml.internal.xsom.",
+            "com.sun.xml.internal.bind.",
+            "com.ctc.wstx.", //wsimport, wsgen ant task
+            "org.codehaus.stax2.", //wsimport, wsgen ant task
+            "com.sun.xml.internal.messaging.saaj.", //wsgen ant task
+            "com.sun.xml.internal.ws.",
+            "com.oracle.webservices.internal.api." //wsgen
+    };
+
+    /**
+     * Escape hatch to work around IBM JDK problem.
+     * See http://www-128.ibm.com/developerworks/forums/dw_thread.jsp?nav=false&forum=367&thread=164718&cat=10
+     */
+    public static final boolean noSystemProxies;
+
+    static {
+        boolean noSysProxiesProperty = false;
+        try {
+            noSysProxiesProperty = Boolean.getBoolean(Invoker.class.getName()+".noSystemProxies");
+        } catch(SecurityException e) {
+            // ignore
+        } finally {
+            noSystemProxies = noSysProxiesProperty;
+        }
+    }
+
+    static int invoke(String mainClass, String[] args) throws Throwable {
+        // use the platform default proxy if available.
+        // see sun.net.spi.DefaultProxySelector for details.
+        if(!noSystemProxies) {
+            try {
+                System.setProperty("java.net.useSystemProxies","true");
+            } catch (SecurityException e) {
+                // failing to set this property isn't fatal
+            }
+        }
+
+        ClassLoader oldcc = Thread.currentThread().getContextClassLoader();
+        try {
+            ClassLoader cl = Invoker.class.getClassLoader();
+            if(Arrays.asList(args).contains("-Xendorsed"))
+                cl = createClassLoader(cl); // perform JDK6 workaround hack
+            else {
+                int targetArgIndex = Arrays.asList(args).indexOf("-target");
+                Options.Target targetVersion;
+                if (targetArgIndex != -1) {
+                    targetVersion = Options.Target.parse(args[targetArgIndex+1]);
+                } else {
+                    targetVersion = Options.Target.getDefault();
+                }
+                Options.Target loadedVersion = Options.Target.getLoadedAPIVersion();
+
+                //Check if the target version is supported by the loaded API version
+                if (!loadedVersion.isLaterThan(targetVersion)) {
+                    if (Service.class.getClassLoader() == null)
+                        System.err.println(WscompileMessages.INVOKER_NEED_ENDORSED(loadedVersion.getVersion(), targetVersion.getVersion()));
+                    else {
+                        System.err.println(WscompileMessages.WRAPPER_TASK_LOADING_INCORRECT_API(loadedVersion.getVersion(), Which.which(Service.class), targetVersion.getVersion()));
+                    }
+                    return -1;
+                }
+
+                //find and load tools.jar
+                List<URL> urls = new ArrayList<URL>();
+                findToolsJar(cl, urls);
+
+                if(urls.size() > 0){
+                    List<String> mask = new ArrayList<String>(Arrays.asList(maskedPackages));
+
+                    // first create a protected area so that we load JAXB/WS 2.1 API
+                    // and everything that depends on them inside
+                    cl = new MaskingClassLoader(cl,mask);
+
+                    // then this classloader loads the API and tools.jar
+                    cl = new URLClassLoader(urls.toArray(new URL[urls.size()]), cl);
+
+                    // finally load the rest of the RI. The actual class files are loaded from ancestors
+                    cl = new ParallelWorldClassLoader(cl,"");
+                        }
+
+            }
+
+            Thread.currentThread().setContextClassLoader(cl);
+
+            Class compileTool = cl.loadClass(mainClass);
+            Constructor ctor = compileTool.getConstructor(OutputStream.class);
+            Object tool = ctor.newInstance(System.out);
+            Method runMethod = compileTool.getMethod("run",String[].class);
+            boolean r = (Boolean)runMethod.invoke(tool,new Object[]{args});
+            return r ? 0 : 1;
+        } catch (ToolsJarNotFoundException e) {
+            System.err.println(e.getMessage());
+        } catch (InvocationTargetException e) {
+            throw e.getCause();
+        } catch(ClassNotFoundException e){
+            throw e;
+        }finally {
+            Thread.currentThread().setContextClassLoader(oldcc);
+        }
+
+        return -1;
+    }
+
+    /**
+     * Returns true if the RI appears to be loading the JAX-WS 2.1 API.
+     */
+    public static boolean checkIfLoading21API() {
+        try {
+            Service.class.getMethod("getPort",Class.class, WebServiceFeature[].class);
+            // yup. things look good.
+            return true;
+        } catch (NoSuchMethodException e) {
+        } catch (LinkageError e) {
+        }
+        // nope
+        return false;
+    }
+
+    /**
+    * Returns true if the RI appears to be loading the JAX-WS 2.2 API.
+    */
+   public static boolean checkIfLoading22API() {
+       try {
+           Service.class.getMethod("create",java.net.URL.class, QName.class, WebServiceFeature[].class);
+           // yup. things look good.
+           return true;
+       } catch (NoSuchMethodException e) {
+       } catch (LinkageError e) {
+       }
+       // nope
+       return false;
+   }
+
+
+    /**
+     * Creates a classloader that can load JAXB/WS 2.2 API and tools.jar,
+     * and then return a classloader that can RI classes, which can see all those APIs and tools.jar.
+     */
+    public static ClassLoader createClassLoader(ClassLoader cl) throws ClassNotFoundException, IOException, ToolsJarNotFoundException {
+
+        URL[] urls = findIstack22APIs(cl);
+        if(urls.length==0)
+            return cl;  // we seem to be able to load everything already. no need for the hack
+
+        List<String> mask = new ArrayList<String>(Arrays.asList(maskedPackages));
+        if(urls.length>1) {
+            // we need to load 2.1 API from side. so add them to the mask
+            mask.add("javax.xml.bind.");
+            mask.add("javax.xml.ws.");
+        }
+
+        // first create a protected area so that we load JAXB/WS 2.1 API
+        // and everything that depends on them inside
+        cl = new MaskingClassLoader(cl,mask);
+
+        // then this classloader loads the API and tools.jar
+        cl = new URLClassLoader(urls, cl);
+
+        // finally load the rest of the RI. The actual class files are loaded from ancestors
+        cl = new ParallelWorldClassLoader(cl,"");
+
+        return cl;
+    }
+
+    /**
+     * Creates a classloader for loading JAXB/WS 2.2 jar and tools.jar
+     */
+    private static URL[] findIstack22APIs(ClassLoader cl) throws ClassNotFoundException, IOException, ToolsJarNotFoundException {
+        List<URL> urls = new ArrayList<URL>();
+
+        if(Service.class.getClassLoader()==null) {
+            // JAX-WS API is loaded from bootstrap classloader
+            URL res = cl.getResource("javax/xml/ws/EndpointContext.class");
+            if(res==null)
+                throw new ClassNotFoundException("There's no JAX-WS 2.2 API in the classpath");
+            urls.add(ParallelWorldClassLoader.toJarUrl(res));
+            res = cl.getResource("javax/xml/bind/JAXBPermission.class");
+            if(res==null)
+                throw new ClassNotFoundException("There's no JAXB 2.2 API in the classpath");
+            urls.add(ParallelWorldClassLoader.toJarUrl(res));
+        }
+
+        findToolsJar(cl, urls);
+
+        return urls.toArray(new URL[urls.size()]);
+    }
+
+    private static void findToolsJar(ClassLoader cl, List<URL> urls) throws ToolsJarNotFoundException, MalformedURLException {
+        try {
+            Class.forName("com.sun.tools.javac.Main",false,cl);
+            // we can already load them in the parent class loader.
+            // so no need to look for tools.jar.
+            // this happens when we are run inside IDE/Ant, or
+            // in Mac OS.
+        } catch (ClassNotFoundException e) {
+            // otherwise try to find tools.jar
+            File jreHome = new File(System.getProperty("java.home"));
+            File toolsJar = new File( jreHome.getParent(), "lib/tools.jar" );
+
+            if (!toolsJar.exists()) {
+                throw new ToolsJarNotFoundException(toolsJar);
+            }
+            urls.add(toolsJar.toURL());
+        }
+    }
+
+}