content: /*
   * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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   */
  
  package java.util.jar;
  
  import java.io.IOException;
  import java.util.zip.ZipEntry;
  import java.security.CodeSigner;
  import java.security.cert.Certificate;
  
  /**
   * This class is used to represent a JAR file entry.
   */
  public
  class JarEntry extends ZipEntry {
      Attributes attr;
      Certificate[] certs;
      CodeSigner[] signers;
  
      /**
       * Creates a new <code>JarEntry</code> for the specified JAR file
       * entry name.
       *
       * @param name the JAR file entry name
       * @exception NullPointerException if the entry name is <code>null</code>
       * @exception IllegalArgumentException if the entry name is longer than
       *            0xFFFF bytes.
       */
      public JarEntry(String name) {
          super(name);
      }
  
      /**
       * Creates a new <code>JarEntry</code> with fields taken from the
       * specified <code>ZipEntry</code> object.
       * @param ze the <code>ZipEntry</code> object to create the
       *           <code>JarEntry</code> from
       */
      public JarEntry(ZipEntry ze) {
          super(ze);
      }
  
      /**
       * Creates a new <code>JarEntry</code> with fields taken from the
       * specified <code>JarEntry</code> object.
       *
       * @param je the <code>JarEntry</code> to copy
       */
      public JarEntry(JarEntry je) {
          this((ZipEntry)je);
          this.attr = je.attr;
          this.certs = je.certs;
          this.signers = je.signers;
      }
  
      /**
       * Returns the <code>Manifest</code> <code>Attributes</code> for this
       * entry, or <code>null</code> if none.
       *
       * @return the <code>Manifest</code> <code>Attributes</code> for this
       * entry, or <code>null</code> if none
       * @throws IOException  if an I/O error has occurred
       */
      public Attributes getAttributes() throws IOException {
          return attr;
      }
  
      /**
       * Returns the <code>Certificate</code> objects for this entry, or
       * <code>null</code> if none. This method can only be called once
       * the <code>JarEntry</code> has been completely verified by reading
       * from the entry input stream until the end of the stream has been
       * reached. Otherwise, this method will return <code>null</code>.
       *
       * <p>The returned certificate array comprises all the signer certificates
       * that were used to verify this entry. Each signer certificate is
       * followed by its supporting certificate chain (which may be empty).
       * Each signer certificate and its supporting certificate chain are ordered
       * bottom-to-top (i.e., with the signer certificate first and the (root)
       * certificate authority last).
       *
       * @return the <code>Certificate</code> objects for this entry, or
       * <code>null</code> if none.
       */
      public Certificate[] getCertificates() {
          return certs == null ? null : certs.clone();
      }
  
      /**
       * Returns the <code>CodeSigner</code> objects for this entry, or
       * <code>null</code> if none. This method can only be called once
       * the <code>JarEntry</code> has been completely verified by reading
       * from the entry input stream until the end of the stream has been
       * reached. Otherwise, this method will return <code>null</code>.
       *
       * <p>The returned array comprises all the code signers that have signed
       * this entry.
       *
       * @return the <code>CodeSigner</code> objects for this entry, or
       * <code>null</code> if none.
       *
       * @since 1.5
       */
      public CodeSigner[] getCodeSigners() {
          return signers == null ? null : signers.clone();
      }
  }
  