1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.tools.java;
  27 
  28 import java.io.File;
  29 import java.io.InputStream;
  30 import java.io.FileInputStream;
  31 import java.io.IOException;
  32 import java.util.zip.*;
  33 
  34 /**
  35  * This class is used to represent a file loaded from the class path, and
  36  * is a zip file entry.
  37  *
  38  * WARNING: The contents of this source file are not part of any
  39  * supported API.  Code that depends on them does so at its own risk:
  40  * they are subject to change or removal without notice.
  41  */
  42 final
  43 class ZipClassFile extends ClassFile {
  44     private final ZipFile zipFile;
  45     private final ZipEntry zipEntry;
  46 
  47     /**
  48      * Constructor for instance representing a zip file entry
  49      */
  50     public ZipClassFile(ZipFile zf, ZipEntry ze) {
  51         this.zipFile = zf;
  52         this.zipEntry = ze;
  53     }
  54 
  55     @Override
  56     public boolean isZipped() {
  57         return true;
  58     }
  59 
  60     @Override
  61     public InputStream getInputStream() throws IOException {
  62         try {
  63             return zipFile.getInputStream(zipEntry);
  64         } catch (ZipException e) {
  65             throw new IOException(e.getMessage());
  66         }
  67     }
  68 
  69     @Override
  70     public boolean exists() {
  71         return true;
  72     }
  73 
  74     @Override
  75     public boolean isDirectory() {
  76         return zipEntry.getName().endsWith("/");
  77     }
  78 
  79     @Override
  80     public long lastModified() {
  81         return zipEntry.getTime();
  82     }
  83 
  84     @Override
  85     public String getPath() {
  86         return zipFile.getName() + "(" + zipEntry.getName() + ")";
  87     }
  88 
  89     @Override
  90     public String getName() {
  91         return zipEntry.getName();
  92     }
  93 
  94 //JCOV
  95     @Override
  96     public String getAbsoluteName() {
  97         return zipFile.getName() + "(" + zipEntry.getName() + ")";
  98     }
  99 // end JCOV
 100 
 101     @Override
 102     public long length() {
 103         return zipEntry.getSize();
 104     }
 105 
 106     @Override
 107     public String toString() {
 108         return zipEntry.toString();
 109     }
 110 }