/*
* Copyright 2014-present Facebook, 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.buck.util;
import com.google.common.base.Preconditions;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.concurrent.ExecutorService;
public abstract class LineProcessorRunnable extends ManagedRunnable {
private final InputStream inputStream;
private final OutputStream outputStream;
public LineProcessorRunnable(
ExecutorService threadPool, InputStream inputStream, OutputStream outputStream) {
super(threadPool);
this.inputStream = Preconditions.checkNotNull(inputStream);
this.outputStream = Preconditions.checkNotNull(outputStream);
}
protected abstract String process(String line);
@Override
protected void run() throws Exception {
try (LineFetcher reader = new LineFetcher(new InputStreamReader(inputStream));
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(outputStream))) {
String line;
while ((line = reader.readLine()) != null) {
writer.write(process(line));
writer.newLine();
}
}
}
}