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

Class MidFunction

java.lang.Object

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

All Implemented Interfaces:

java.io.Serializable, Function

public class MidFunction
extends java.lang.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

Constructors

Constructor and Description
MidFunction()

Method Summary

Modifier and Type	Method and Description
TypeValuePair	evaluate(FormulaContext context, ParameterCallback parameters)
java.lang.String	getCanonicalName()
static java.lang.String	process(java.lang.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 java.lang.String process(java.lang.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 java.lang.String getCanonicalName()

Specified by:

getCanonicalName in interface Function