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/*
* Copyright (C) 2019 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.
*/
/** Essential APIs for working with Okio. */
@file:JvmMultifileClass
@file:JvmName("Okio")
package okio
import kotlin.jvm.JvmMultifileClass
import kotlin.jvm.JvmName
/**
* Returns a new source that buffers reads from `source`. The returned source will perform bulk
* reads into its in-memory buffer. Use this wherever you read a source to get an ergonomic and
* efficient access to data.
*/
fun Source.buffer(): BufferedSource = RealBufferedSource(this)
/**
* Returns a new sink that buffers writes to `sink`. The returned sink will batch writes to `sink`.
* Use this wherever you write to a sink to get an ergonomic and efficient access to data.
*/
fun Sink.buffer(): BufferedSink = RealBufferedSink(this)
/** Returns a sink that writes nowhere. */
@JvmName("blackhole")
fun blackholeSink(): Sink = BlackholeSink()
private class BlackholeSink : Sink {
override fun write(source: Buffer, byteCount: Long) = source.skip(byteCount)
override fun flush() {}
override fun timeout() = Timeout.NONE
override fun close() {}
}
/** Execute [block] then close this. This will be closed even if [block] throws. */
inline fun <T : Closeable?, R> T.use(block: (T) -> R): R {
var result: R? = null
var thrown: Throwable? = null
try {
result = block(this)
} catch (t: Throwable) {
thrown = t
} finally {
try {
this?.close()
} catch (t: Throwable) {
if (thrown == null) {
thrown = t
} else {
thrown.addSuppressed(t)
}
}
}
if (thrown != null) throw thrown
return result!!
}
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