org.zkoss.el.fn
Class CommonFns

java.lang.Object
  org.zkoss.el.fn.CommonFns

public class CommonFns
extends java.lang.Object

Functions used with EL.

Author:

tomyeh

Constructor Summary

protected

CommonFns()

Method Summary

static java.lang.String	getLabel(java.lang.String key) Returns the label or message of the specified key.
static boolean	isInstance(java.lang.Object c, java.lang.Object o) Tests whehter an object, o, is an instance of a class, c.
static int	length(java.lang.Object o) Returns the length of an array, string, collection or map.
static java.lang.Object	new_(java.lang.Object o) Instantiates the specified class.
static boolean	toBoolean(java.lang.Object val) Converts the specified object to a boolean.
static char	toChar(java.lang.Object val) Converts the specified object to an character.
static java.math.BigDecimal	toDecimal(java.lang.Object val) Converts the specified object to a (big) decimal.
static int	toInt(java.lang.Object val) Converts the specified object to an integer.
static java.lang.Number	toNumber(java.lang.Object val) Converts the specified object to a number.
static java.lang.String	toString(java.lang.Object val) Converts the specified object to a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommonFns

protected CommonFns()

Method Detail

toBoolean

public static boolean toBoolean(java.lang.Object val)

Converts the specified object to a boolean.

toString

public static java.lang.String toString(java.lang.Object val)

Converts the specified object to a string.

toNumber

public static java.lang.Number toNumber(java.lang.Object val)

Converts the specified object to a number.

toInt

public static int toInt(java.lang.Object val)

Converts the specified object to an integer.

toDecimal

public static java.math.BigDecimal toDecimal(java.lang.Object val)

Converts the specified object to a (big) decimal.

toChar

public static char toChar(java.lang.Object val)

Converts the specified object to an character.

isInstance

public static boolean isInstance(java.lang.Object c,
                                 java.lang.Object o)

Tests whehter an object, o, is an instance of a class, c.

getLabel

public static final java.lang.String getLabel(java.lang.String key)

Returns the label or message of the specified key.

• If key is "mesg:class:MMM", Messages.get(class.MMM) is called
• Otherwise, Labels.getLabel(java.lang.String) is called.

length

public static final int length(java.lang.Object o)

Returns the length of an array, string, collection or map.

new_

public static final java.lang.Object new_(java.lang.Object o)
                                   throws java.lang.Exception

Instantiates the specified class.

Throws:

java.lang.Exception