hadoop CryptoFSDataOutputStream 源码
haddop CryptoFSDataOutputStream 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/crypto/CryptoFSDataOutputStream.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.hadoop.fs.crypto;
import java.io.IOException;
import org.apache.hadoop.crypto.CryptoCodec;
import org.apache.hadoop.crypto.CryptoOutputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
public class CryptoFSDataOutputStream extends FSDataOutputStream {
private final FSDataOutputStream fsOut;
public CryptoFSDataOutputStream(FSDataOutputStream out, CryptoCodec codec,
int bufferSize, byte[] key, byte[] iv) throws IOException {
this(out, codec, bufferSize, key, iv, true);
}
public CryptoFSDataOutputStream(FSDataOutputStream out, CryptoCodec codec,
int bufferSize, byte[] key, byte[] iv, boolean closeOutputStream)
throws IOException {
super(new CryptoOutputStream(out, codec, bufferSize, key, iv,
out.getPos(), closeOutputStream), null, out.getPos());
this.fsOut = out;
}
public CryptoFSDataOutputStream(FSDataOutputStream out, CryptoCodec codec,
byte[] key, byte[] iv) throws IOException {
super(new CryptoOutputStream(out, codec, key, iv, out.getPos()),
null, out.getPos());
this.fsOut = out;
}
@Override
public long getPos() {
return fsOut.getPos();
}
}
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