130 lines
3.1 KiB
Java
130 lines
3.1 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.classLoader;
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import java.io.InputStream;
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import java.util.jar.JarFile;
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import com.ibm.wala.util.debug.Assertions;
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import com.ibm.wala.util.io.FileSuffixes;
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/**
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* An entry in a Jar file.
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*/
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public class JarFileEntry implements ModuleEntry {
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private final String entryName;
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private final JarFileModule jarFileModule;
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protected JarFileEntry(String entryName, JarFileModule jarFile) {
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this.entryName = entryName;
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this.jarFileModule = jarFile;
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#getName()
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*/
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@Override
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public String getName() {
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return entryName;
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#isClassFile()
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*/
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@Override
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public boolean isClassFile() {
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return FileSuffixes.isClassFile(getName());
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#getInputStream()
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*/
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@Override
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public InputStream getInputStream() {
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try {
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JarFile jarFile = jarFileModule.getJarFile();
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return jarFile.getInputStream(jarFile.getEntry(entryName));
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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Assertions.UNREACHABLE();
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return null;
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}
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#getSize()
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*/
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public long getSize() {
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// TODO: cache this?
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return jarFileModule.getJarFile().getEntry(entryName).getSize();
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}
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@Override
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public String toString() {
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return jarFileModule.getJarFile().getName() + ":" + getName();
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#isModuleFile()
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*/
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@Override
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public boolean isModuleFile() {
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return FileSuffixes.isJarFile(getName()) || FileSuffixes.isWarFile(getName());
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#asModule()
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*/
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@Override
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public Module asModule() {
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return new NestedJarFileModule(jarFileModule, jarFileModule.getJarFile().getEntry(entryName));
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}
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public JarFile getJarFile() {
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return jarFileModule.getJarFile();
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}
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@Override
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public JarFileModule getContainer() {
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return jarFileModule;
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}
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@Override
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public int hashCode() {
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return entryName.hashCode() * 5059 + jarFileModule.getJarFile().hashCode();
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#getClassName()
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*/
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@Override
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public String getClassName() {
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return FileSuffixes.stripSuffix(getName());
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}
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/*
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* @see com.ibm.wala.classLoader.ModuleEntry#isSourceFile()
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*/
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@Override
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public boolean isSourceFile() {
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return FileSuffixes.isSourceFile(getName());
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}
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@Override
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public boolean equals(Object obj) {
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return this == obj;
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}
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}
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