io.covert.dns.util.DumpResponses.java Source code

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Here is the source code for io.covert.dns.util.DumpResponses.java

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/*
 * 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 io.covert.dns.util;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.SequenceFile;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.xbill.DNS.Message;

public class DumpResponses extends Configured implements Tool {

    public static void main(String[] args) throws Exception {
        ToolRunner.run(new DumpResponses(), args);
    }

    @Override
    public int run(String[] args) throws Exception {
        Configuration conf = getConf();
        FileSystem fs = FileSystem.get(conf);

        Text key = new Text();
        BytesWritable val = new BytesWritable();

        FileStatus[] listing;
        Path inpath = new Path(args[0]);
        if (fs.getFileStatus(inpath) != null && fs.getFileStatus(inpath).isDir())
            listing = fs.listStatus(inpath);
        else
            listing = fs.globStatus(inpath);

        for (FileStatus f : listing) {
            if (f.isDir() || f.getPath().getName().startsWith("_"))
                continue;

            System.out.println("Opennning " + f.getPath() + " ...");
            SequenceFile.Reader reader = new SequenceFile.Reader(fs, f.getPath(), conf);

            while (reader.next(key, val)) {
                Message msg = new Message(val.getBytes());
                System.out.println(key + ": " + msg);
                System.out.println("---");
            }
            reader.close();
        }
        return 0;
    }
}