001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 package org.apache.felix.framework.util; 020 021 import java.io.File; 022 import java.io.IOException; 023 import java.util.jar.JarEntry; 024 import java.util.jar.JarFile; 025 import java.util.zip.ZipEntry; 026 027 /** 028 * The purpose of this class is to fix an apparent bug in the JVM in versions 029 * 1.4.2 and lower where directory entries in ZIP/JAR files are not correctly 030 * identified. 031 **/ 032 public class JarFileX extends JarFile 033 { 034 public JarFileX(File file) throws IOException 035 { 036 super(file); 037 } 038 039 public JarFileX(File file, boolean verify) throws IOException 040 { 041 super(file, verify); 042 } 043 044 public JarFileX(File file, boolean verify, int mode) throws IOException 045 { 046 super(file, verify, mode); 047 } 048 049 public JarFileX(String name) throws IOException 050 { 051 super(name); 052 } 053 054 public JarFileX(String name, boolean verify) throws IOException 055 { 056 super(name, verify); 057 } 058 059 public ZipEntry getEntry(String name) 060 { 061 ZipEntry entry = super.getEntry(name); 062 if ((entry != null) && (entry.getSize() == 0) && !entry.isDirectory()) 063 { 064 ZipEntry dirEntry = super.getEntry(name + '/'); 065 if (dirEntry != null) 066 { 067 entry = dirEntry; 068 } 069 } 070 return entry; 071 } 072 073 public JarEntry getJarEntry(String name) 074 { 075 JarEntry entry = super.getJarEntry(name); 076 if ((entry != null) && (entry.getSize() == 0) && !entry.isDirectory()) 077 { 078 JarEntry dirEntry = super.getJarEntry(name + '/'); 079 if (dirEntry != null) 080 { 081 entry = dirEntry; 082 } 083 } 084 return entry; 085 } 086 }