| /* |
| * 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 |
| * |
| * https://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.ivy.plugins.repository.jar; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.zip.ZipEntry; |
| |
| import org.apache.ivy.core.settings.TimeoutConstraint; |
| import org.apache.ivy.plugins.repository.AbstractRepository; |
| import org.apache.ivy.plugins.repository.RepositoryCopyProgressListener; |
| import org.apache.ivy.plugins.repository.Resource; |
| import org.apache.ivy.plugins.repository.TransferEvent; |
| import org.apache.ivy.util.FileUtil; |
| |
| public class JarRepository extends AbstractRepository { |
| |
| private RepositoryCopyProgressListener progress = new RepositoryCopyProgressListener(this); |
| |
| private JarFile jarFile; |
| |
| public JarRepository() { |
| |
| } |
| |
| public JarRepository(final TimeoutConstraint timeoutConstraint) { |
| super(timeoutConstraint); |
| } |
| |
| public void setJarFile(JarFile jarFile) { |
| this.jarFile = jarFile; |
| } |
| |
| public Resource getResource(String source) throws IOException { |
| return new JarResource(jarFile, source); |
| } |
| |
| protected RepositoryCopyProgressListener getProgressListener() { |
| return progress; |
| } |
| |
| public void get(String source, File destination) throws IOException { |
| fireTransferInitiated(getResource(source), TransferEvent.REQUEST_GET); |
| try { |
| ZipEntry entry = jarFile.getEntry(source); |
| if (entry == null) { |
| throw new FileNotFoundException(); |
| } |
| getProgressListener().setTotalLength(entry.getSize()); |
| FileUtil.copy(jarFile.getInputStream(entry), destination, getProgressListener()); |
| } catch (IOException | RuntimeException ex) { |
| fireTransferError(ex); |
| throw ex; |
| } finally { |
| getProgressListener().setTotalLength(null); |
| } |
| } |
| |
| public List<String> list(String parent) throws IOException { |
| ZipEntry parentEntry = jarFile.getEntry(parent); |
| if (parentEntry == null || !parentEntry.isDirectory()) { |
| return null; |
| } |
| List<String> children = new ArrayList<>(); |
| Enumeration<JarEntry> entries = jarFile.entries(); |
| while (entries.hasMoreElements()) { |
| JarEntry entry = entries.nextElement(); |
| if (entry.getName().startsWith(parent) |
| && entry.getName().equals(parentEntry.getName())) { |
| children.add(entry.getName()); |
| } |
| } |
| return children; |
| } |
| |
| } |