org.zkoss.xel.fn
Class StringFns

java.lang.Object
  extended by org.zkoss.xel.fn.StringFns

public class StringFns
extends java.lang.Object

Functions to manipulate strings in EL.

Author:
tomyeh

Constructor Summary
StringFns()
           
 
Method Summary
static java.lang.String cat(java.lang.String s1, java.lang.String s2)
          Catenates two strings.
static java.lang.String cat3(java.lang.String s1, java.lang.String s2, java.lang.String s3)
          Catenates three strings.
static java.lang.String cat4(java.lang.String s1, java.lang.String s2, java.lang.String s3, java.lang.String s4)
          Catenates four strings.
static java.lang.String cat5(java.lang.String s1, java.lang.String s2, java.lang.String s3, java.lang.String s4, java.lang.String s5)
          Catenates four strings.
static java.lang.String eatQuot(java.lang.String s)
          Eliminates single and double quotations to avoid JavaScript injection.
static java.lang.String replace(java.lang.String src, java.lang.String from, java.lang.String to)
          Replaces all occurrances of 'from' in 'src' with 'to'
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

StringFns

public StringFns()
Method Detail

cat

public static java.lang.String cat(java.lang.String s1,
                                   java.lang.String s2)
Catenates two strings. Note: null is considered as empty.


cat3

public static java.lang.String cat3(java.lang.String s1,
                                    java.lang.String s2,
                                    java.lang.String s3)
Catenates three strings. Note: null is considered as empty.


cat4

public static java.lang.String cat4(java.lang.String s1,
                                    java.lang.String s2,
                                    java.lang.String s3,
                                    java.lang.String s4)
Catenates four strings. Note: null is considered as empty.


cat5

public static java.lang.String cat5(java.lang.String s1,
                                    java.lang.String s2,
                                    java.lang.String s3,
                                    java.lang.String s4,
                                    java.lang.String s5)
Catenates four strings. Note: null is considered as empty.


replace

public static java.lang.String replace(java.lang.String src,
                                       java.lang.String from,
                                       java.lang.String to)
Replaces all occurrances of 'from' in 'src' with 'to'


eatQuot

public static java.lang.String eatQuot(java.lang.String s)
Eliminates single and double quotations to avoid JavaScript injection. It eliminates all quotations. In other words, the specified string shall NOT contain any quotations.

It is used to avoid JavaScript injection. For exmple, in DSP or JSP pages, the following codes is better to escape with this method.

Since:
3.5.2


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