org.apache.flink.runtime.util.ForwardingOutputStream Maven / Gradle / Ivy
/*
* 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.flink.runtime.util;
import org.apache.flink.annotation.Internal;
import org.apache.flink.util.Preconditions;
import java.io.IOException;
import java.io.OutputStream;
/**
* Output stream, that wraps another input stream and forwards all method calls to the wrapped stream.
*/
@Internal
public class ForwardingOutputStream extends OutputStream {
private final OutputStream delegate;
public ForwardingOutputStream(OutputStream delegate) {
this.delegate = Preconditions.checkNotNull(delegate);
}
@Override
public void write(int b) throws IOException {
delegate.write(b);
}
@Override
public void write(byte[] b) throws IOException {
delegate.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
delegate.write(b, off, len);
}
@Override
public void flush() throws IOException {
delegate.flush();
}
@Override
public void close() throws IOException {
delegate.close();
}
}