Mercurial > hg > Members > kono > jpf-core
view src/peers/gov/nasa/jpf/vm/JPF_java_net_URLClassLoader.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed under the * Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package gov.nasa.jpf.vm; import gov.nasa.jpf.JPF; import java.net.MalformedURLException; import java.net.URL; import gov.nasa.jpf.annotation.MJI; import gov.nasa.jpf.util.JPFLogger; /** * @author Nastaran Shafiei <nastaran.shafiei@gmail.com> * * Native peer for java.net.URLClassLoader */ public class JPF_java_net_URLClassLoader extends JPF_java_lang_ClassLoader{ static JPFLogger log = JPF.getLogger("class"); @MJI public void addURL0__Ljava_lang_String_2__V (MJIEnv env, int objRef, int urlRef) throws MalformedURLException { ClassLoaderInfo cl = env.getClassLoaderInfo(objRef); String url = env.getStringObject(urlRef); String path = null; URL u = new URL(url); String protocol = u.getProtocol(); if(protocol.equals("file")) { path = u.getFile(); } else if(protocol.equals("jar")){ path = url.substring(url.lastIndexOf(':')+1, url.indexOf('!')); } else { // we don't support other protocols for now! log.warning("unknown path element specification: ", url); return; } cl.addClassPathElement(path); } @MJI public int findClass__Ljava_lang_String_2__Ljava_lang_Class_2 (MJIEnv env, int objRef, int nameRef) { String typeName = env.getStringObject(nameRef); ClassLoaderInfo cl = env.getClassLoaderInfo(objRef); ThreadInfo ti = env.getThreadInfo(); try { ClassInfo ci = cl.getResolvedClassInfo( typeName); if(!ci.isRegistered()) { ci.registerClass(env.getThreadInfo()); } // note that we don't initialize yet return ci.getClassObjectRef(); } catch (LoadOnJPFRequired rre) { // this classloader has a overridden loadClass env.repeatInvocation(); return MJIEnv.NULL; } catch (ClassInfoException cix){ if (cix.getCause() instanceof ClassParseException){ env.throwException("java.lang.ClassFormatError", typeName); } else { env.throwException("java.lang.ClassNotFoundException", typeName); } return MJIEnv.NULL; } } @MJI public int findResource0__Ljava_lang_String_2__Ljava_lang_String_2 (MJIEnv env, int objRef, int resRef){ String rname = env.getStringObject(resRef); ClassLoaderInfo cl = env.getClassLoaderInfo(objRef); String resourcePath = cl.findResource(rname); return env.newString(resourcePath); } @MJI public int findResources0__Ljava_lang_String_2___3Ljava_lang_String_2 (MJIEnv env, int objRef, int resRef) { String rname = env.getStringObject(resRef); ClassLoaderInfo cl = env.getClassLoaderInfo(objRef); String[] resources = cl.findResources(rname); return env.newStringArray(resources); } }