okhttp3.internal.cache.FaultHidingSink.kt 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. */
internal open class FaultHidingSink(
delegate: Sink,
val onException: (IOException) -> Unit
) : ForwardingSink(delegate) {
private var hasErrors = false
override fun write(source: Buffer, byteCount: Long) {
if (hasErrors) {
source.skip(byteCount)
return
}
try {
super.write(source, byteCount)
} catch (e: IOException) {
hasErrors = true
onException(e)
}
}
override fun flush() {
if (hasErrors) {
return
}
try {
super.flush()
} catch (e: IOException) {
hasErrors = true
onException(e)
}
}
override fun close() {
if (hasErrors) {
return
}
try {
super.close()
} catch (e: IOException) {
hasErrors = true
onException(e)
}
}
}