org.apache.jmeter.functions
Class XPath

java.lang.Object
  org.apache.jmeter.functions.AbstractFunction
      org.apache.jmeter.functions.XPath

All Implemented Interfaces:

Function

public class XPath
extends AbstractFunction

The function represented by this class allows data to be read from XML files. Syntax is similar to the CVSRead function. The function allows the test to line-thru the nodes in the XML file - one node per each test. E.g. inserting the following in the test scripts : ${_XPath(c:/BOF/abcd.xml,/xpath/)} // match the (first) node ${_XPath(c:/BOF/abcd.xml,/xpath/)} // Go to next match of '/xpath/' expression NOTE: A single instance of each different file/expression combination is opened and used for all threads.

Since:

2.0.3

Constructor Summary

XPath()

Method Summary

String	execute(SampleResult previousResult, Sampler currentSampler) N.B. setParameters() and execute() are called from different threads, so both must be synchronized unless there are no parameters to save
List<String>	getArgumentDesc() Return a list of strings briefly describing each parameter your function takes.
String	getReferenceKey() Return the name of your function.
void	setParameters(Collection<CompoundVariable> parameters) N.B. setParameters() and execute() are called from different threads, so both must be synchronized unless there are no parameters to save

Methods inherited from class org.apache.jmeter.functions.AbstractFunction

checkMinParameterCount, checkParameterCount, checkParameterCount, execute, getVariables

Methods inherited from class java.lang.Object

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

Constructor Detail

XPath

public XPath()

Method Detail

execute

public String execute(SampleResult previousResult,
                      Sampler currentSampler)
               throws InvalidVariableException

N.B. setParameters() and execute() are called from different threads, so both must be synchronized unless there are no parameters to save

Specified by:

execute in interface Function

Specified by:

execute in class AbstractFunction

Throws:

InvalidVariableException

See Also:

Function.execute(SampleResult, Sampler)

getArgumentDesc

public List<String> getArgumentDesc()

Return a list of strings briefly describing each parameter your function takes. Please use JMeterUtils.getResString(resource_name) to grab a resource string. Otherwise, your help text will be difficult to internationalize. This list is not optional. If you don't wish to write help, you must at least return a List containing the correct number of blank strings, one for each argument.

getReferenceKey

public String getReferenceKey()

Return the name of your function. Convention is to prepend "__" to the name (ie "__regexFunction")

Specified by:

getReferenceKey in interface Function

Specified by:

getReferenceKey in class AbstractFunction

See Also:

Function.getReferenceKey()

setParameters

public void setParameters(Collection<CompoundVariable> parameters)
                   throws InvalidVariableException

N.B. setParameters() and execute() are called from different threads, so both must be synchronized unless there are no parameters to save

Specified by:

setParameters in interface Function

Specified by:

setParameters in class AbstractFunction

Throws:

InvalidVariableException

See Also:


Note: This is always called even if no parameters are provided (versions of JMeter after 2.3.1)