| /* |
| * 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.core.pack; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipInputStream; |
| |
| import org.apache.ivy.util.FileUtil; |
| import org.apache.ivy.util.Message; |
| |
| public class ZipPacking extends ArchivePacking { |
| |
| private static final String[] NAMES = {"zip", "jar", "war"}; |
| |
| @Override |
| public String[] getNames() { |
| return NAMES; |
| } |
| |
| @Override |
| public String getUnpackedExtension(String ext) { |
| if (ext.endsWith("zip") || ext.endsWith("jar") || ext.endsWith("war")) { |
| ext = ext.substring(0, ext.length() - 3); |
| if (ext.endsWith(".")) { |
| ext = ext.substring(0, ext.length() - 1); |
| } |
| } |
| return ext; |
| } |
| |
| @Override |
| public void unpack(InputStream packed, File dest) throws IOException { |
| try (ZipInputStream zip = new ZipInputStream(packed)) { |
| ZipEntry entry = null; |
| while (((entry = zip.getNextEntry()) != null)) { |
| String entryName = entry.getName(); |
| File f = FileUtil.resolveFile(dest, entryName); |
| if (!FileUtil.isLeadingPath(dest, f, true)) { |
| Message.verbose("\t\tskipping " + entryName + " as its target " |
| + f.getCanonicalPath() |
| + " is outside of " + dest.getCanonicalPath() + "."); |
| continue; |
| } |
| Message.verbose("\t\texpanding " + entryName + " to " + f); |
| |
| // create intermediary directories - sometimes zip don't add them |
| File dirF = f.getParentFile(); |
| if (dirF != null) { |
| dirF.mkdirs(); |
| } |
| |
| if (entry.isDirectory()) { |
| f.mkdirs(); |
| } else { |
| writeFile(zip, f); |
| } |
| |
| f.setLastModified(entry.getTime()); |
| } |
| } |
| } |
| |
| protected void writeFile(InputStream zip, File f) throws IOException { |
| try (FileOutputStream out = new FileOutputStream(f)) { |
| FileUtil.copy(zip, out, null, false); |
| } |
| } |
| |
| } |