import java.io.IOException;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

public class WordCountMapper extends Mapper<LongWritable, Text, Text, IntWritable> {

@Override
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {

String line = value.toString();

for (String word : line.split("\\W+")) {
if (word.length() > 0) {
context.write(new Text(word), new IntWritable(1));
}
}
}