/*
 * 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.brotli;

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

import org.apache.commons.compress.compressors.CompressorInputStream;
import org.apache.commons.compress.utils.CountingInputStream;
import org.apache.commons.compress.utils.IOUtils;
import org.apache.commons.compress.utils.InputStreamStatistics;
import org.brotli.dec.BrotliInputStream;

CompressorInputStream implementation to decode Brotli encoded stream. Library relies on Google brotli
Since:1.14
/** * {@link CompressorInputStream} implementation to decode Brotli encoded stream. * Library relies on <a href="https://github.com/google/brotli">Google brotli</a> * * @since 1.14 */
public class BrotliCompressorInputStream extends CompressorInputStream implements InputStreamStatistics { private final CountingInputStream countingStream; private final BrotliInputStream decIS; public BrotliCompressorInputStream(final InputStream in) throws IOException { decIS = new BrotliInputStream(countingStream = new CountingInputStream(in)); } @Override public int available() throws IOException { return decIS.available(); } @Override public void close() throws IOException { decIS.close(); } @Override public int read(final byte[] b) throws IOException { return decIS.read(b); } @Override public long skip(final long n) throws IOException { return IOUtils.skip(decIS, n); } @Override public synchronized void mark(final int readlimit) { decIS.mark(readlimit); } @Override public boolean markSupported() { return decIS.markSupported(); } @Override public int read() throws IOException { final int ret = decIS.read(); count(ret == -1 ? 0 : 1); return ret; } @Override public int read(final byte[] buf, final int off, final int len) throws IOException { final int ret = decIS.read(buf, off, len); count(ret); return ret; } @Override public String toString() { return decIS.toString(); } @Override public synchronized void reset() throws IOException { decIS.reset(); }
Since:1.17
/** * @since 1.17 */
@Override public long getCompressedCount() { return countingStream.getBytesRead(); } }