okhttp3.internal.cache.FaultHidingSink Maven / Gradle / Ivy
/*
* Copyright (C) 2015 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 okhttp3.internal.cache;
import java.io.IOException;
import okio.Buffer;
import okio.ForwardingSink;
import okio.Sink;
/** A sink that never throws IOExceptions, even if the underlying sink does. */
class FaultHidingSink extends ForwardingSink {
private boolean hasErrors;
FaultHidingSink(Sink delegate) {
super(delegate);
}
@Override public void write(Buffer source, long byteCount) throws IOException {
if (hasErrors) {
source.skip(byteCount);
return;
}
try {
super.write(source, byteCount);
} catch (IOException e) {
hasErrors = true;
onException(e);
}
}
@Override public void flush() throws IOException {
if (hasErrors) return;
try {
super.flush();
} catch (IOException e) {
hasErrors = true;
onException(e);
}
}
@Override public void close() throws IOException {
if (hasErrors) return;
try {
super.close();
} catch (IOException e) {
hasErrors = true;
onException(e);
}
}
protected void onException(IOException e) {
}
}