@@ -0,0 +1,1504 @@
+/*%0A * Copyright (C) 2014 Square, Inc.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage okio;%0A%0Aimport java.io.IOException;%0A%0A/** A %7B@link Source%7D which forwards calls to another. Useful for subclassing. */%0Apublic abstract class ForwardingSource implements Source %7B%0A  private final Source delegate;%0A%0A  public ForwardingSource(Source delegate) %7B%0A    if (delegate == null) throw new IllegalArgumentException(%22delegate == null%22);%0A    this.delegate = delegate;%0A  %7D%0A%0A  /** %7B@link Source%7D to which this instance is delegating. */%0A  public final Source delegate() %7B%0A    return delegate;%0A  %7D%0A%0A  @Override public long read(Buffer sink, long byteCount) throws IOException %7B%0A    return delegate.read(sink, byteCount);%0A  %7D%0A%0A  @Override public Timeout timeout() %7B%0A    return delegate.timeout();%0A  %7D%0A%0A  @Override public void close() throws IOException %7B%0A    delegate.close();%0A  %7D%0A%0A  @Override public String toString() %7B%0A    return getClass().getSimpleName() + %22(%22 + delegate.toString() + %22)%22;%0A  %7D%0A%7D%0A

add ForwardingSource.java