/*
 * 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.commons.compress.compressors.pack200;

import java.io.File;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;

StreamBridge that caches all data written to the output side in a temporary file.
Since:1.3
/** * StreamBridge that caches all data written to the output side in * a temporary file. * @since 1.3 */
class TempFileCachingStreamBridge extends StreamBridge { private final File f; TempFileCachingStreamBridge() throws IOException { f = File.createTempFile("commons-compress", "packtemp"); f.deleteOnExit(); out = Files.newOutputStream(f.toPath()); } @Override InputStream getInputView() throws IOException { out.close(); return new FilterInputStream(Files.newInputStream(f.toPath())) { @Override public void close() throws IOException { try { super.close(); } finally { // if this fails the only thing we can do is to rely on deleteOnExit f.delete(); // NOSONAR } } }; } }