在Mapper hadoop中获取文件名

import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Mapper.Context;
import org.apache.hadoop.mapreduce.InputSplit;

public class MyMapper extends Mapper<Object, Text, Text, IntWritable> {
  
  @Override
  public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    // 获取当前输入记录的键值
    String currentKey = key.toString();
    
    // 获取当前输入记录所属的InputSplit对象
    InputSplit inputSplit = context.getInputSplit();
    
    // 获取文件的路径信息
    String[] locations = inputSplit.getLocations();
    String filePath = locations[0];
    
    // 获取文件名
    String fileName = new File(filePath).getName();
    
    // 其他处理逻辑
    // ...
    
    context.write(new Text(fileName), new IntWritable(1));
  }
}