| /* |
| * 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 java.util.jar; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| /** |
| * The {@code JarOutputStream} is used to write data in the {@code JarFile} |
| * format to an arbitrary output stream |
| */ |
| public class JarOutputStream extends ZipOutputStream { |
| |
| private Manifest manifest; |
| |
| /** |
| * Constructs a new {@code JarOutputStream} using an output stream. The |
| * content of the {@code Manifest} must match the JAR entry information |
| * written subsequently to the stream. |
| * |
| * @param os |
| * the {@code OutputStream} to write to |
| * @param mf |
| * the {@code Manifest} to output for this JAR file. |
| * @throws IOException |
| * if an error occurs creating the {@code JarOutputStream}. |
| */ |
| public JarOutputStream(OutputStream os, Manifest mf) throws IOException { |
| super(os); |
| if (mf == null) { |
| throw new NullPointerException(); |
| } |
| manifest = mf; |
| ZipEntry ze = new ZipEntry(JarFile.MANIFEST_NAME); |
| putNextEntry(ze); |
| manifest.write(this); |
| closeEntry(); |
| } |
| |
| /** |
| * Constructs a new {@code JarOutputStream} using an arbitrary output |
| * stream. |
| * |
| * @param os |
| * the {@code OutputStream} to write to. |
| * @throws IOException |
| * if an error occurs creating the {@code JarOutputStream}. |
| */ |
| public JarOutputStream(OutputStream os) throws IOException { |
| super(os); |
| } |
| |
| /** |
| * Writes the specified ZIP entry to the underlying stream. The previous |
| * entry is closed if it is still open. |
| * |
| * @param ze |
| * the {@code ZipEntry} to write to. |
| * @throws IOException |
| * if an error occurs writing to the entry. |
| * @see ZipEntry |
| */ |
| @Override |
| public void putNextEntry(ZipEntry ze) throws IOException { |
| super.putNextEntry(ze); |
| } |
| } |