org.apache.velocity.tools.generic.introspection
Class PublicFieldUberspect.ArrayLengthGetter

java.lang.Object
  org.apache.velocity.tools.generic.introspection.PublicFieldUberspect.ArrayLengthGetter

All Implemented Interfaces:

org.apache.velocity.util.introspection.VelPropertyGet

Enclosing class:

PublicFieldUberspect

protected class PublicFieldUberspect.ArrayLengthGetter
extends java.lang.Object
implements org.apache.velocity.util.introspection.VelPropertyGet

Implementation of VelPropertyGet that gets length from arrays.

Version:

$Id: $

Author:

Shinobu Kawai

Constructor Summary

PublicFieldUberspect.ArrayLengthGetter()
Constructor.

Method Summary

java.lang.String	getMethodName() Returns "array length getter", since there is no method.
java.lang.Object	invoke(java.lang.Object o) Returns the length of the array.
boolean	isCacheable() This class is cacheable, so it returns true.

Methods inherited from class java.lang.Object

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

Constructor Detail

PublicFieldUberspect.ArrayLengthGetter

public PublicFieldUberspect.ArrayLengthGetter()

Constructor.

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object o)
                        throws java.lang.Exception

Returns the length of the array.

Specified by:

invoke in interface org.apache.velocity.util.introspection.VelPropertyGet

Parameters:

o - the array

Returns:

the length

Throws:

java.lang.Exception - failed to get the length from the array

isCacheable

public boolean isCacheable()

This class is cacheable, so it returns true.

Specified by:

isCacheable in interface org.apache.velocity.util.introspection.VelPropertyGet

Returns:

true.

getMethodName

public java.lang.String getMethodName()

Returns "array length getter", since there is no method.

Specified by:

getMethodName in interface org.apache.velocity.util.introspection.VelPropertyGet

Returns:

"array length getter"