com.ibm.commons.iloader.node.validators
Class UriValidator

java.lang.Object
  extended by com.ibm.commons.iloader.node.validators.UriValidator
All Implemented Interfaces:
IValidator

public class UriValidator
extends java.lang.Object
implements IValidator

A validator for URIs. For convenience a static version is also supplied com.ibm.commons.iloader.node.validators.UriValidator.instance.

See Also:
URI

Field Summary
static UriValidator instance
          A static instance of the validator.
 
Constructor Summary
UriValidator()
          Creates a new instance of this validator.
UriValidator(boolean isEmptyValid)
          Creates a new URI validator with the given parameter.
 
Method Summary
 boolean isBeingValid(java.lang.String value)
          Always returns true.
 boolean isValid(java.lang.String value, Messages messages)
          Determines if the overall input is valid.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

instance

public static final UriValidator instance
A static instance of the validator.

Constructor Detail

UriValidator

public UriValidator()
Creates a new instance of this validator. Empty values are NOT considered to be valid.


UriValidator

public UriValidator(boolean isEmptyValid)
Creates a new URI validator with the given parameter. If true, empty values are valid.

Parameters:
isEmptyValid - true if the uri is considered valid when empty. False if a value if required.
Method Detail

isBeingValid

public boolean isBeingValid(java.lang.String value)
Always returns true.

Specified by:
isBeingValid in interface IValidator
Parameters:
value -
Returns:
true if the input should be accepted.

isValid

public boolean isValid(java.lang.String value,
                       Messages messages)
Description copied from interface: IValidator
Determines if the overall input is valid. If the input is valid then true is returned and no further action is required. If the input is invalid false is returned an a message can optionally be added to the messages bundle. Any messages added will be displayed to the end user in the form of a messagebox.

Specified by:
isValid in interface IValidator
Parameters:
value - the string value which has been entered by the end user and requires validation.
messages - a bundle of messages to be displayed to the end user in the event that validation fails.
Returns:
true if the input should be accepted.