Java tutorial
/* * 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.ant.compress.resources; import java.io.File; import org.apache.tools.ant.types.Resource; import org.apache.ant.compress.util.TarStreamFactory; import org.apache.commons.compress.archivers.ArchiveEntry; import org.apache.commons.compress.archivers.tar.TarArchiveEntry; /** * A Resource representation of an entry in a tar archive. */ public final class TarResource extends CommonsCompressArchiveResource { private String userName = ""; private String groupName = ""; /** * Default constructor. */ public TarResource() { super(new TarStreamFactory(), "tar"); } /** * Construct a TarResource representing the specified * entry in the specified archive. * @param a the archive as File. * @param e the TarEntry. */ public TarResource(File a, TarArchiveEntry e) { super(new TarStreamFactory(), "tar", a, e); setEntry(e); } /** * Construct a TarResource representing the specified * entry in the specified archive. * @param a the archive as Resource. * @param e the TarEntry. */ public TarResource(Resource a, TarArchiveEntry e) { super(new TarStreamFactory(), "tar", a, e); setEntry(e); } /** * Construct a TarResource representing the specified * entry in the specified archive. * @param a the archive as File. * @param enc the encoding used for filenames. * @param e the TarEntry. * @since Compress Antlib 1.2 */ public TarResource(File a, String enc, TarArchiveEntry e) { this(a, e); setEncoding(enc); } /** * Construct a TarResource representing the specified * entry in the specified archive. * @param a the archive as Resource. * @param enc the encoding used for filenames. * @param e the TarEntry. * @since Compress Antlib 1.2 */ public TarResource(Resource a, String enc, TarArchiveEntry e) { this(a, e); setEncoding(enc); } /** * @return the user name for the tar entry */ public String getUserName() { if (isReference()) { return ((TarResource) getCheckedRef()).getUserName(); } checkEntry(); return userName; } /** * @return the group name for the tar entry */ public String getGroup() { if (isReference()) { return ((TarResource) getCheckedRef()).getGroup(); } checkEntry(); return groupName; } protected void setEntry(ArchiveEntry e) { super.setEntry(e); if (e != null) { TarArchiveEntry te = (TarArchiveEntry) e; userName = te.getUserName(); groupName = te.getGroupName(); } } }