com.facebook.presto.jdbc.internal.okio.ForwardingSink Maven / Gradle / Ivy
/*
* Copyright (C) 2014 Square, Inc.
*
* Licensed 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 com.facebook.presto.jdbc.internal.okio;
import java.io.IOException;
/** A {@link Sink} which forwards calls to another. Useful for subclassing. */
public abstract class ForwardingSink implements Sink {
private final Sink delegate;
public ForwardingSink(Sink delegate) {
if (delegate == null) throw new IllegalArgumentException("delegate == null");
this.delegate = delegate;
}
/** {@link Sink} to which this instance is delegating. */
public final Sink delegate() {
return delegate;
}
@Override public void write(Buffer source, long byteCount) throws IOException {
delegate.write(source, byteCount);
}
@Override public void flush() throws IOException {
delegate.flush();
}
@Override public Timeout timeout() {
return delegate.timeout();
}
@Override public void close() throws IOException {
delegate.close();
}
@Override public String toString() {
return getClass().getSimpleName() + "(" + delegate.toString() + ")";
}
}
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