| /* |
| * 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.openejb.util; |
| |
| import org.apache.openejb.loader.IO; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarOutputStream; |
| |
| public final class JarCreator { |
| private static final int BUFFER_SIZE = 1024; |
| |
| private JarCreator() { |
| // no-op |
| } |
| |
| public static void jarDir(final File dir, final File zipName) throws IOException, IllegalArgumentException { |
| final String[] entries = dir.list(); |
| final JarOutputStream out = new JarOutputStream(new FileOutputStream(zipName)); |
| |
| String prefix = dir.getAbsolutePath(); |
| if (!prefix.endsWith(File.separator)) { |
| prefix += File.separator; |
| } |
| |
| for (final String entry : entries) { |
| final File f = new File(dir, entry); |
| jarFile(out, f, prefix); |
| } |
| IO.close(out); |
| } |
| |
| private static void jarFile(final JarOutputStream out, final File f, final String prefix) throws IOException { |
| if (f.isDirectory()) { |
| final File[] files = f.listFiles(); |
| if (null != files) for (final File child : files) { |
| jarFile(out, child, prefix); |
| } |
| } else { |
| final byte[] buffer = new byte[BUFFER_SIZE]; |
| int bytesRead; |
| |
| final String path = f.getPath().replace(prefix, ""); |
| |
| final FileInputStream in = new FileInputStream(f); |
| final JarEntry entry = new JarEntry(path); |
| out.putNextEntry(entry); |
| while ((bytesRead = in.read(buffer)) != -1) { |
| out.write(buffer, 0, bytesRead); |
| } |
| IO.close(in); |
| } |
| } |
| } |