com.tonbeller.wcf.format
Class RegexHandler

java.lang.Object
  com.tonbeller.wcf.format.FormatHandlerSupport
      com.tonbeller.wcf.format.RegexHandler

All Implemented Interfaces:

FormatHandler

public class RegexHandler

extends FormatHandlerSupport

validates string input via regular expression

Field Summary

Fields inherited from class com.tonbeller.wcf.format.FormatHandlerSupport

errorMessage, locale, name, pattern, patterns

Constructor Summary

RegexHandler()

Method Summary

boolean	canHandle(java.lang.Object value) returns true if this handler can handle the given object
java.lang.String	format(java.lang.Object o, java.lang.String userPattern) returns the unchanged string value of o.
java.lang.Object	parse(java.lang.String s, java.lang.String userPattern) throws a FormatException if s does not match the regex
java.lang.Object	toNativeArray(java.util.List list) returns a native array of the data type.
java.lang.Object[]	toObjectArray(java.lang.Object value) returns an array of wrapper objects.

Methods inherited from class com.tonbeller.wcf.format.FormatHandlerSupport

addPattern, findPattern, getErrorMessage, getErrorMessage, getLocale, getName, getPattern, setErrorMessage, setLocale, setName, setPattern

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexHandler

public RegexHandler()

Method Detail

format

public java.lang.String format(java.lang.Object o,
                               java.lang.String userPattern)

returns the unchanged string value of o.

Parameters:

o - the object to format

userPattern - the format string to use. If null or empty string, the configured pattern for the locale will be used.

parse

public java.lang.Object parse(java.lang.String s,
                              java.lang.String userPattern)
                       throws FormatException

throws a FormatException if s does not match the regex

Parameters:

s - the string, eg user input

userPattern - the format string to use. If null or empty string, the configured pattern for the locale will be used.

Throws:

FormatException

canHandle

public boolean canHandle(java.lang.Object value)

Description copied from interface: FormatHandler

returns true if this handler can handle the given object

toNativeArray

public java.lang.Object toNativeArray(java.util.List list)

Description copied from interface: FormatHandler

returns a native array of the data type. E.g., the int handler will return an int[] array.

Parameters:

list - contains wrapper objects (e.g. Integer)

toObjectArray

public java.lang.Object[] toObjectArray(java.lang.Object value)

Description copied from interface: FormatHandler

returns an array of wrapper objects. E.g., the int handler will return an Integer[] array containing Integer instances.

Parameters:

value - either a scalar wrapper object (e.g. Integer) or an array of native types (e.g. int[])

Returns:

an array of wrapper types, e.g. Integer[]. If value is a scalar, the returned array contains value as its only element.