/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.commons.compress.archivers.jar;

import java.security.cert.Certificate;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;

import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;

/**
 *
 * @NotThreadSafe
 */
public class JarArchiveEntry extends ZipArchiveEntry {

    private final Attributes manifestAttributes = null;
    private final Certificate[] certificates = null;

    public JarArchiveEntry(ZipEntry entry) throws ZipException {
        super(entry);
    }

    public JarArchiveEntry(String name) {
        super(name);
    }

    public JarArchiveEntry(ZipArchiveEntry entry) throws ZipException {
        super(entry);
    }

    public JarArchiveEntry(JarEntry entry) throws ZipException {
        super(entry);

    }

    public Attributes getManifestAttributes() {
        return manifestAttributes;
    }

    public Certificate[] getCertificates() {
        if (certificates != null) {
            Certificate[] certs = new Certificate[certificates.length];
            System.arraycopy(certificates, 0, certs, 0, certs.length);
            return certs;
        }
        return null;
    }

    @Override
    public boolean equals(Object o) {
        return super.equals(o);
    }

    @Override
    public int hashCode() {
        return super.hashCode();
    }
}

@@ -1173,16 +1173,116 @@
 ntry %7B%0A%0A
+    // These are always null - see https://issues.apache.org/jira/browse/COMPRESS-18 for discussion%0A
     priv
@@ -2093,16 +2093,207 @@
       %7D%0A
+        /*%0A         * Note, the method%0A         * Certificate%5B%5D java.util.jar.JarEntry.getCertificates()%0A         * also returns null or the list of certificates (but not copied)%0A         */%0A
         

DOcument unexpected behaviour