datafu.pig.urls

Class URLInfo

java.lang.Object

org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

datafu.pig.urls.URLInfo

public class URLInfo
extends org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

Given a valid URL, this UDF provides the following information about that URL: Domain, Host, Protocol, Path, Port, Query Params and their values

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

org.apache.pig.EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor and Description
URLInfo()

Method Summary

Modifier and Type	Method and Description
org.apache.pig.data.Tuple	exec(org.apache.pig.data.Tuple tuple) Apache Pig UDF that provides information about URLs
org.apache.pig.impl.logicalLayer.schema.Schema	outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema input)

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

URLInfo

public URLInfo()

Method Detail

exec

public org.apache.pig.data.Tuple exec(org.apache.pig.data.Tuple tuple)
                               throws java.io.IOException

Apache Pig UDF that provides information about URLs

Specified by:

exec in class org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

Parameters:

tuple - containing URL string

Returns:

tuple containing domain name, host name, protocol, path, port and query parameters (in that order)

Throws:

java.io.IOException

outputSchema

public org.apache.pig.impl.logicalLayer.schema.Schema outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema input)

Overrides:

outputSchema in class org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>