/*
* Copyright (c) 2005, 2006, 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
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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.xjc.api.util.ToolsJarNotFoundException;
import com.sun.xml.internal.bind.util.Which;
import javax.xml.ws.Service;
import javax.xml.ws.WebServiceFeature;
import java.io.File;
import java.io.OutputStream;
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 APT classes,
* even if it's not available in the tool launcher classpath.
*
* @author Kohsuke Kawaguchi
*/
public final class Invoker {
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 {
if(!checkIfLoading21API()) {
if(Service.class.getClassLoader()==null)
System.err.println(WscompileMessages.INVOKER_NEED_ENDORSED());
else
System.err.println(WscompileMessages.WRAPPER_TASK_LOADING_20_API(Which.which(Service.class)));
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;
}
/**
* Creates a classloader that can load JAXB/WS 2.1 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, MalformedURLException, ToolsJarNotFoundException {
URL[] urls = findIstackAPIs(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 2.1 jar and tools.jar
*/
private static URL[] findIstackAPIs(ClassLoader cl) throws ClassNotFoundException, MalformedURLException, 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/EndpointReference.class");
if(res==null)
throw new ClassNotFoundException("There's no JAX-WS 2.1 API in the classpath");
urls.add(ParallelWorldClassLoader.toJarUrl(res));
res = cl.getResource("javax/xml/bind/annotation/XmlSeeAlso.class");
if(res==null)
throw new ClassNotFoundException("There's no JAXB 2.1 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);
Class.forName("com.sun.tools.apt.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());
}
}
/**
* The list of package prefixes we want the
* {@link MaskingClassLoader} to prevent the parent
* classLoader from loading
*/
public static 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.sun.xml.internal.ws."
};
/**
* 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 boolean noSystemProxies = false;
static {
try {
noSystemProxies = Boolean.getBoolean(Invoker.class.getName()+".noSystemProxies");
} catch(SecurityException e) {
// ignore
}
}
}