/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.nutch.tools.arc;
import java.io.IOException;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.FileInputFormat;
import org.apache.hadoop.mapred.FileSplit;
import org.apache.hadoop.mapred.InputSplit;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.RecordReader;
import org.apache.hadoop.mapred.Reporter;
/**
* A input format the reads arc files.
*/
public class ArcInputFormat
extends FileInputFormat<Text, BytesWritable> {
/**
* Returns the <code>RecordReader</code> for reading the arc file.
*
* @param split The InputSplit of the arc file to process.
* @param job The job configuration.
* @param reporter The progress reporter.
*/
public RecordReader<Text, BytesWritable> getRecordReader(InputSplit split,
JobConf job, Reporter reporter)
throws IOException {
reporter.setStatus(split.toString());
return new ArcRecordReader(job, (FileSplit)split);
}
}