Java examples for File Path IO:Zip File
unzip To Dir
/**//from ww w . j a v a 2s . c o m * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * Licensed 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. */ import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.nio.file.Files; import java.nio.file.Path; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; public class Main{ public static void unzipToDir(Path dir, String resourcePath) throws IOException { InputStream repoZipStream = ZipUtils.class .getResourceAsStream(resourcePath); ZipInputStream zipStream = new ZipInputStream(repoZipStream); ZipEntry entry; while ((entry = zipStream.getNextEntry()) != null) { if (!entry.isDirectory()) { unzipFile(dir, entry, zipStream); } } } private static void unzipFile(Path targetDir, ZipEntry entry, ZipInputStream stream) throws IOException { String name = entry.getName(); File outFile = new File(targetDir.toFile(), name); Path parent = outFile.toPath().getParent(); if (!Files.exists(parent) && !parent.toFile().mkdirs()) { throw new IllegalStateException("Unable to create directory: " + parent); } byte[] buffer = new byte[10000]; if (!outFile.createNewFile()) { throw new IllegalStateException("Unable to create file: " + outFile); } int read; try (FileOutputStream outputStream = new FileOutputStream(outFile)) { while ((read = stream.read(buffer)) >= 0) { outputStream.write(buffer, 0, read); } } } }