org.pentaho.reporting.libraries.formula.function.text
Class MidFunction

java.lang.Object
  org.pentaho.reporting.libraries.formula.function.text.MidFunction

All Implemented Interfaces:

Serializable, Function

public class MidFunction
extends Object
implements Function

This function returns extracted text, given an original text, starting position, and length.

Author:

Cedric Pronzato

See Also:

Serialized Form

Constructor Summary

MidFunction()

Method Summary

TypeValuePair	evaluate(FormulaContext context, ParameterCallback parameters)
String	getCanonicalName()
static String	process(String text, int start, int lengthValue) Computes the substring for the given text, using the 1-based start index and the given length.

Methods inherited from class java.lang.Object

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

Constructor Detail

MidFunction

public MidFunction()

Method Detail

evaluate

public TypeValuePair evaluate(FormulaContext context,
                              ParameterCallback parameters)
                       throws EvaluationException

Specified by:

evaluate in interface Function

Throws:

EvaluationException

process

public static String process(String text,
                             int start,
                             int lengthValue)

Computes the substring for the given text, using the 1-based start index and the given length.

Parameters:

text -

start -

lengthValue -

Returns:

getCanonicalName

public String getCanonicalName()

Specified by:

getCanonicalName in interface Function