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 */
019package org.apache.commons.compress.archivers.jar;
020
021import java.security.cert.Certificate;
022import java.util.jar.Attributes;
023import java.util.jar.JarEntry;
024import java.util.zip.ZipEntry;
025import java.util.zip.ZipException;
026
027import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
028
029/**
030 * JAR archive entry.
031 *
032 * @NotThreadSafe (parent is not thread-safe)
033 */
034public class JarArchiveEntry extends ZipArchiveEntry {
035
036    /**
037     * Constructs a new instance.
038     *
039     * @param entry See super.
040     * @throws ZipException See super.
041     */
042    public JarArchiveEntry(final JarEntry entry) throws ZipException {
043        super(entry);
044    }
045
046    /**
047     * Constructs a new instance.
048     *
049     * @param name See super.
050     */
051    public JarArchiveEntry(final String name) {
052        super(name);
053    }
054
055    /**
056     * Constructs a new instance.
057     *
058     * @param entry See super.
059     * @throws ZipException See super.
060     */
061    public JarArchiveEntry(final ZipArchiveEntry entry) throws ZipException {
062        super(entry);
063    }
064
065    /**
066     * Constructs a new instance.
067     *
068     * @param entry See super.
069     * @throws ZipException See super.
070     */
071    public JarArchiveEntry(final ZipEntry entry) throws ZipException {
072        super(entry);
073    }
074
075    /**
076     * Gets a copy of the list of certificates or null if there are none.
077     *
078     * @return Always returns null in the current implementation
079     * @deprecated since 1.5, not currently implemented
080     */
081    @Deprecated
082    public Certificate[] getCertificates() {
083        //
084        // Note, the method
085        // Certificate[] java.util.jar.JarEntry.getCertificates()
086        // also returns null or the list of certificates (but not copied)
087        //
088        // see https://issues.apache.org/jira/browse/COMPRESS-18 for discussion
089        return null;
090    }
091
092    /**
093     * This method is not implemented and won't ever be. The JVM equivalent has a different name {@link java.util.jar.JarEntry#getAttributes()}
094     *
095     * @deprecated since 1.5, do not use; always returns null
096     * @return Always returns null.
097     */
098    @Deprecated
099    public Attributes getManifestAttributes() {
100        // see https://issues.apache.org/jira/browse/COMPRESS-18 for discussion
101        return null;
102    }
103
104}