org.springframework.rules.closure
Class StringLength

java.lang.Object
  org.springframework.core.closure.support.AlgorithmsAccessor
      org.springframework.core.closure.support.AbstractClosure
          org.springframework.rules.closure.StringLength

All Implemented Interfaces:

Serializable, Closure

public class StringLength
extends AbstractClosure

Returns the Integer length of an object's string form, or zero if the object is null.

Author:

Keith Donald

See Also:

Serialized Form

Constructor Summary

StringLength()

Method Summary

Object	call(Object value) Evaluate the string form of the object returning an Integer representing the string length.
static Closure	instance() Returns the shared StringLength instance--this is possible as the default instance is immutable and stateless.
String	toString()

Methods inherited from class org.springframework.core.closure.support.AbstractClosure

forEach, forEach

Methods inherited from class org.springframework.core.closure.support.AlgorithmsAccessor

allTrue, allTrue, anyTrue, anyTrue, findAll, findAll, findFirst, findFirst, forEach, forEach, getAlgorithms

Methods inherited from class java.lang.Object

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

Constructor Detail

StringLength

public StringLength()

Method Detail

instance

public static Closure instance()

Returns the shared StringLength instance--this is possible as the default instance is immutable and stateless.

Returns:

the shared instance

call

public Object call(Object value)

Evaluate the string form of the object returning an Integer representing the string length.

Parameters:

value - the argument

Returns:

The string length Integer.

See Also:

Closure.call(java.lang.Object)

toString

public String toString()

Overrides:

toString in class Object