TarElementInputStreamWrapper.java

/**
 * 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.camel.dataformat.tarfile;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Keeps a handle on the original {@link InputStream} even after closing the buffered input stream.
 */
public class TarElementInputStreamWrapper extends BufferedInputStream {

    public TarElementInputStreamWrapper(InputStream in, int size) {
        super(in, size);
    }

    public TarElementInputStreamWrapper(InputStream in) {
        super(in);
    }

    @Override
    public void close() throws IOException {
        InputStream input = in;
        try {
            in = null;
            super.close();
        } finally {
            in = input;
        }
    }
}