1 /*
   2  * Copyright (c) 1997, 2013, 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 java.util.jar;
  27 
  28 import java.io.IOException;
  29 import java.util.zip.ZipEntry;
  30 import java.security.CodeSigner;
  31 import java.security.cert.Certificate;
  32 
  33 /**
  34  * This class is used to represent a JAR file entry.
  35  *
  36  * @since 1.2
  37  */
  38 public
  39 class JarEntry extends ZipEntry {
  40     Attributes attr;
  41     Certificate[] certs;
  42     CodeSigner[] signers;
  43 
  44     /**
  45      * Creates a new <code>JarEntry</code> for the specified JAR file
  46      * entry name.
  47      *
  48      * @param name the JAR file entry name
  49      * @exception NullPointerException if the entry name is <code>null</code>
  50      * @exception IllegalArgumentException if the entry name is longer than
  51      *            0xFFFF bytes.
  52      */
  53     public JarEntry(String name) {
  54         super(name);
  55     }
  56 
  57     /**
  58      * Creates a new <code>JarEntry</code> with fields taken from the
  59      * specified <code>ZipEntry</code> object.
  60      * @param ze the <code>ZipEntry</code> object to create the
  61      *           <code>JarEntry</code> from
  62      */
  63     public JarEntry(ZipEntry ze) {
  64         super(ze);
  65     }
  66 
  67     /**
  68      * Creates a new <code>JarEntry</code> with fields taken from the
  69      * specified <code>JarEntry</code> object.
  70      *
  71      * @param je the <code>JarEntry</code> to copy
  72      */
  73     public JarEntry(JarEntry je) {
  74         this((ZipEntry)je);
  75         this.attr = je.attr;
  76         this.certs = je.certs;
  77         this.signers = je.signers;
  78     }
  79 
  80     /**
  81      * Returns the <code>Manifest</code> <code>Attributes</code> for this
  82      * entry, or <code>null</code> if none.
  83      *
  84      * @return the <code>Manifest</code> <code>Attributes</code> for this
  85      * entry, or <code>null</code> if none
  86      * @throws IOException  if an I/O error has occurred
  87      */
  88     public Attributes getAttributes() throws IOException {
  89         return attr;
  90     }
  91 
  92     /**
  93      * Returns the <code>Certificate</code> objects for this entry, or
  94      * <code>null</code> if none. This method can only be called once
  95      * the <code>JarEntry</code> has been completely verified by reading
  96      * from the entry input stream until the end of the stream has been
  97      * reached. Otherwise, this method will return <code>null</code>.
  98      *
  99      * <p>The returned certificate array comprises all the signer certificates
 100      * that were used to verify this entry. Each signer certificate is
 101      * followed by its supporting certificate chain (which may be empty).
 102      * Each signer certificate and its supporting certificate chain are ordered
 103      * bottom-to-top (i.e., with the signer certificate first and the (root)
 104      * certificate authority last).
 105      *
 106      * @return the <code>Certificate</code> objects for this entry, or
 107      * <code>null</code> if none.
 108      */
 109     public Certificate[] getCertificates() {
 110         return certs == null ? null : certs.clone();
 111     }
 112 
 113     /**
 114      * Returns the <code>CodeSigner</code> objects for this entry, or
 115      * <code>null</code> if none. This method can only be called once
 116      * the <code>JarEntry</code> has been completely verified by reading
 117      * from the entry input stream until the end of the stream has been
 118      * reached. Otherwise, this method will return <code>null</code>.
 119      *
 120      * <p>The returned array comprises all the code signers that have signed
 121      * this entry.
 122      *
 123      * @return the <code>CodeSigner</code> objects for this entry, or
 124      * <code>null</code> if none.
 125      *
 126      * @since 1.5
 127      */
 128     public CodeSigner[] getCodeSigners() {
 129         return signers == null ? null : signers.clone();
 130     }





















 131 }
--- EOF ---