/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.forge.deploy;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class ZipExploder {
public static void explode (File zipFile, File outputDir)
throws IOException {
explode(zipFile, outputDir, false);
}
public static void explode (File zipFile, File outputDir, boolean verbose)
throws IOException {
Path outputPath;
Files.createDirectories(outputPath = outputDir.toPath());
try (ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(zipFile))) {
ZipEntry zipEntry;
byte[] buffer = new byte[2048];
while ((zipEntry = zipInputStream.getNextEntry()) != null) {
if (verbose) {
System.out.println("Expanding " + zipEntry.getName() + "...");
}
Path entryPath = outputPath.resolve(zipEntry.getName());
Files.createDirectories(entryPath.getParent());
try (OutputStream fileOutputStream = Files.newOutputStream(entryPath, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
int bytesRead;
while ((bytesRead = zipInputStream.read(buffer)) >= 0) {
fileOutputStream.write(buffer, 0, bytesRead);
}
}
}
}
}
}