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99 changes: 99 additions & 0 deletions
99
sdks/java/core/src/main/java/org/apache/beam/sdk/util/LzoCompressorInputStream.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * 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.beam.sdk.util; | ||
|
|
||
| import io.airlift.compress.lzo.LzoCodec; | ||
| 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; | ||
|
|
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| public class LzoCompressorInputStream extends CompressorInputStream | ||
| implements InputStreamStatistics { | ||
|
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| private final CountingInputStream countingStream; | ||
| private final InputStream lzoIS; | ||
|
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| public LzoCompressorInputStream(final InputStream in) throws IOException { | ||
| this.lzoIS = new LzoCodec().createInputStream(countingStream = new CountingInputStream(in)); | ||
| } | ||
|
|
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| @Override | ||
| public int available() throws IOException { | ||
| return lzoIS.available(); | ||
| } | ||
|
|
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| @Override | ||
| public void close() throws IOException { | ||
| lzoIS.close(); | ||
| } | ||
|
|
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| @Override | ||
| public int read(final byte[] b) throws IOException { | ||
| return read(b, 0, b.length); | ||
| } | ||
|
|
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| @Override | ||
| public long skip(final long n) throws IOException { | ||
| return IOUtils.skip(lzoIS, n); | ||
| } | ||
|
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| @Override | ||
| public void mark(final int readlimit) { | ||
| lzoIS.mark(readlimit); | ||
| } | ||
|
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| @Override | ||
| public boolean markSupported() { | ||
| return lzoIS.markSupported(); | ||
| } | ||
|
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| @Override | ||
| public int read() throws IOException { | ||
| final int ret = lzoIS.read(); | ||
| count(ret == -1 ? 0 : 1); | ||
| return ret; | ||
| } | ||
|
|
||
| @Override | ||
| public int read(final byte[] buf, final int off, final int len) throws IOException { | ||
| if (len == 0) { | ||
| return 0; | ||
| } | ||
| final int ret = lzoIS.read(buf, off, len); | ||
| count(ret); | ||
| return ret; | ||
| } | ||
|
|
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| @Override | ||
| public String toString() { | ||
| return lzoIS.toString(); | ||
| } | ||
|
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| @Override | ||
| public void reset() throws IOException { | ||
| lzoIS.reset(); | ||
| } | ||
|
|
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| @Override | ||
| public long getCompressedCount() { | ||
| return countingStream.getBytesRead(); | ||
| } | ||
| } |
62 changes: 62 additions & 0 deletions
62
sdks/java/core/src/main/java/org/apache/beam/sdk/util/LzoCompressorOutputStream.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * 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.beam.sdk.util; | ||
|
|
||
| import io.airlift.compress.lzo.LzoCodec; | ||
| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import org.apache.commons.compress.compressors.CompressorOutputStream; | ||
|
|
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| public class LzoCompressorOutputStream extends CompressorOutputStream { | ||
|
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| private final OutputStream lzoOS; | ||
|
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| public LzoCompressorOutputStream(final OutputStream outStream) throws IOException { | ||
| this.lzoOS = new LzoCodec().createOutputStream(outStream); | ||
| } | ||
|
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| @Override | ||
| public void close() throws IOException { | ||
| lzoOS.close(); | ||
| } | ||
|
|
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| @Override | ||
| public void write(final int b) throws IOException { | ||
| lzoOS.write(b); | ||
| } | ||
|
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| @Override | ||
| public void write(final byte[] b) throws IOException { | ||
| lzoOS.write(b); | ||
| } | ||
|
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| @Override | ||
| public void write(final byte[] buf, final int off, final int len) throws IOException { | ||
| lzoOS.write(buf, off, len); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return lzoOS.toString(); | ||
| } | ||
|
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| @Override | ||
| public void flush() throws IOException { | ||
| lzoOS.flush(); | ||
| } | ||
| } |
99 changes: 99 additions & 0 deletions
99
sdks/java/core/src/main/java/org/apache/beam/sdk/util/LzopCompressorInputStream.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * 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.beam.sdk.util; | ||
|
|
||
| import io.airlift.compress.lzo.LzopCodec; | ||
| 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; | ||
|
|
||
| public class LzopCompressorInputStream extends CompressorInputStream | ||
| implements InputStreamStatistics { | ||
|
|
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| private final CountingInputStream countingStream; | ||
| private final InputStream lzoIS; | ||
|
|
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| public LzopCompressorInputStream(final InputStream in) throws IOException { | ||
| this.lzoIS = new LzopCodec().createInputStream(countingStream = new CountingInputStream(in)); | ||
| } | ||
|
|
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| @Override | ||
| public int available() throws IOException { | ||
| return lzoIS.available(); | ||
| } | ||
|
|
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| @Override | ||
| public void close() throws IOException { | ||
| lzoIS.close(); | ||
| } | ||
|
|
||
| @Override | ||
| public int read(final byte[] b) throws IOException { | ||
| return read(b, 0, b.length); | ||
| } | ||
|
|
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| @Override | ||
| public long skip(final long n) throws IOException { | ||
| return IOUtils.skip(lzoIS, n); | ||
| } | ||
|
|
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| @Override | ||
| public void mark(final int readlimit) { | ||
| lzoIS.mark(readlimit); | ||
| } | ||
|
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| @Override | ||
| public boolean markSupported() { | ||
| return lzoIS.markSupported(); | ||
| } | ||
|
|
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| @Override | ||
| public int read() throws IOException { | ||
| final int ret = lzoIS.read(); | ||
| count(ret == -1 ? 0 : 1); | ||
| return ret; | ||
| } | ||
|
|
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| @Override | ||
| public int read(final byte[] buf, final int off, final int len) throws IOException { | ||
| if (len == 0) { | ||
| return 0; | ||
| } | ||
| final int ret = lzoIS.read(buf, off, len); | ||
| count(ret); | ||
| return ret; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return lzoIS.toString(); | ||
| } | ||
|
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| @Override | ||
| public void reset() throws IOException { | ||
| lzoIS.reset(); | ||
| } | ||
|
|
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| @Override | ||
| public long getCompressedCount() { | ||
| return countingStream.getBytesRead(); | ||
| } | ||
| } |
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