# Hierarchy For Package org.apache.nutch.util

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.nutch.util.CommandRunner
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.nutch.util.AbstractChecker (implements org.apache.hadoop.util.Tool)
    - org.apache.nutch.util.CrawlCompletionStats (implements org.apache.hadoop.util.Tool)
    - org.apache.nutch.util.NutchTool
    - org.apache.nutch.util.ProtocolStatusStatistics (implements org.apache.hadoop.util.Tool)
    - org.apache.nutch.util.SitemapProcessor (implements org.apache.hadoop.util.Tool)
  - org.apache.nutch.util.DeflateUtils
  - org.apache.nutch.util.DomUtil
  - org.apache.nutch.util.DumpFileUtil
  - org.apache.nutch.util.EncodingDetector
  - org.apache.nutch.util.FSUtils
  - org.apache.hadoop.io.GenericWritable (implements org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.Writable)
    - org.apache.nutch.util.GenericWritableConfigurable (implements org.apache.hadoop.conf.Configurable)
  - org.apache.nutch.util.GZIPUtils
  - org.apache.nutch.util.HadoopFSUtil
  - org.apache.nutch.util.JexlUtil
  - org.apache.hadoop.mapreduce.task.JobContextImpl (implements org.apache.hadoop.mapreduce.JobContext)
    - org.apache.hadoop.mapreduce.Job (implements java.lang.AutoCloseable, org.apache.hadoop.mapreduce.JobContext)
      - org.apache.nutch.util.NutchJob
  - org.apache.nutch.util.LockUtil
  - org.apache.nutch.util.MimeUtil
  - org.apache.nutch.util.NodeWalker
  - org.apache.nutch.util.NutchConfiguration
  - org.apache.nutch.util.ObjectCache
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.nutch.util.CrawlCompletionStats.CrawlCompletionStatsCombiner
    - org.apache.nutch.util.ProtocolStatusStatistics.ProtocolStatusStatisticsCombiner
  - org.apache.nutch.util.SegmentReaderUtil
  - org.apache.nutch.util.StringUtil
  - org.apache.nutch.util.TableUtil
  - org.apache.nutch.util.TimingUtil
  - org.apache.nutch.util.TrieStringMatcher
    - org.apache.nutch.util.PrefixStringMatcher
    - org.apache.nutch.util.SuffixStringMatcher
  - org.apache.nutch.util.TrieStringMatcher.TrieNode (implements java.lang.Comparable<T>)
  - org.apache.nutch.util.URLUtil

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