| Package | Description | 
|---|---|
| org.apache.hadoop.io | Generic i/o code for use when reading and writing data to the network,
to databases, and to files. | 
| org.apache.nutch.metadata | A Multi-valued Metadata container, and set
of constant fields for Nutch Metadata. | 
| org.apache.nutch.protocol | 
| Modifier and Type | Method and Description | 
|---|---|
| static MD5Hash | MD5Hash. digest(Text text)Construct a hash value for a String. | 
| void | Text. set(Text other)copy a text. | 
| Constructor and Description | 
|---|
| Text(Text utf8)Construct from another text. | 
| Modifier and Type | Field and Description | 
|---|---|
| static Text | Nutch. WRITABLE_GENERATE_TIME_KEY | 
| static Text | Nutch. WRITABLE_PROTO_STATUS_KEY | 
| Modifier and Type | Method and Description | 
|---|---|
| ProtocolOutput | Protocol. getProtocolOutput(Text url,
                 CrawlDatum datum)Returns the  Contentfor a fetchlist entry. | 
| RobotRules | Protocol. getRobotRules(Text url,
             CrawlDatum datum)Retrieve robot rules applicable for this url. | 
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