org.apache.geode.management.internal.configuration.utils.ZipUtils.java Source code

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Here is the source code for org.apache.geode.management.internal.configuration.utils.ZipUtils.java

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/*
 * 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.geode.management.internal.configuration.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Enumeration;
import java.util.Stack;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;

/****
 * Utilities class to zip/unzip directory
 *
 */
public class ZipUtils {

    public static void zipDirectory(Path sourceDirectory, Path targetFile) throws IOException {
        Path p = Files.createFile(targetFile);
        try (ZipOutputStream zs = new ZipOutputStream(Files.newOutputStream(p))) {
            Files.walk(sourceDirectory).filter(path -> !Files.isDirectory(path)).forEach(path -> {
                ZipEntry zipEntry = new ZipEntry(sourceDirectory.relativize(path).toString());
                try {
                    zs.putNextEntry(zipEntry);
                    zs.write(Files.readAllBytes(path));
                    zs.closeEntry();
                } catch (Exception e) {
                    throw new RuntimeException("Unable to write zip file", e);
                }
            });
        }
    }

    public static void zipDirectory(String sourceDirectoryPath, String targetFilePath) throws IOException {
        Path sourceDirectory = Paths.get(sourceDirectoryPath);
        Path targetFile = Paths.get(targetFilePath);

        zipDirectory(sourceDirectory, targetFile);
    }

    public static void unzip(String zipFilePath, String outputDirectoryPath) throws IOException {
        ZipFile zipFile = new ZipFile(zipFilePath);
        @SuppressWarnings("unchecked")
        Enumeration<ZipEntry> zipEntries = (Enumeration<ZipEntry>) zipFile.entries();

        try {
            while (zipEntries.hasMoreElements()) {
                ZipEntry zipEntry = zipEntries.nextElement();
                String fileName = outputDirectoryPath + File.separator + zipEntry.getName();

                if (zipEntry.isDirectory()) {
                    FileUtils.forceMkdir(new File(fileName));
                    continue;
                }
                File entryDestination = new File(fileName);
                File parent = entryDestination.getParentFile();
                if (parent != null) {
                    FileUtils.forceMkdir(parent);
                }
                if (entryDestination.createNewFile()) {

                    InputStream in = zipFile.getInputStream(zipEntry);
                    OutputStream out = new FileOutputStream(entryDestination);
                    try {
                        IOUtils.copy(in, out);
                    } finally {
                        IOUtils.closeQuietly(in);
                        IOUtils.closeQuietly(out);
                    }
                } else {
                    throw new IOException("Cannot create file :" + entryDestination.getCanonicalPath());
                }
            }
        } finally {
            zipFile.close();
        }
    }
}