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package javax.faces.validator;
import java.util.Collection;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
/**
* <p>A <strong class="changed_modified_2_0">ValidatorException</strong> is an exception
* thrown by the <code>validate()</code> method of a
* {@link Validator} to indicate that validation failed.
*/
public class ValidatorException extends FacesException {
// ----------------------------------------------------------- Constructors
private static final long serialVersionUID = 6459492016772012827L;
/**
* <p>Construct a new exception with the specified message and
* no root cause.</p>
*
* @param message The message for this exception
*/
public ValidatorException(FacesMessage message) {
super(message.getSummary());
this.message = message;
}
/**
* <p class="changed_added_2_0">Allow this one exception to contain
* multiple messages.</p>
*
* @param messages the list of messages for this exception
*
* @since 2.0
*/
public ValidatorException(Collection<FacesMessage> messages) {
this.messages = messages;
}
/**
* <p>Construct a new exception with the specified detail message and
* root cause.</p>
*
* @param message The detail message for this exception
* @param cause The root cause for this exception
*/
public ValidatorException(FacesMessage message, Throwable cause) {
super(message.getSummary(), cause);
this.message = message;
}
/**
* <p class="changed_added_2_0">Allow this one exception to contain
* multiple messages, while passing on the root cause to the superclass</p>
* @param messages the detail messages for this exception
* @param cause the root cause for this exception
*
* @since 2.0
*/
public ValidatorException(Collection<FacesMessage> messages, Throwable cause) {
super(messages.isEmpty() ? "" : messages.iterator().next().getSummary(),
cause);
this.messages = messages;
}
/**
* <p class="changed_modified_2_0">Returns the <code>FacesMessage</code>
* associated with
* the exception. If this instance
* was created with a constructor that takes
* <code>Collection<FacesMessage></code>, this method returns the first
* message in the <code>Collection</code></p>
*
* @return the message
*/
public FacesMessage getFacesMessage() {
FacesMessage result = this.message;
if (null == result && null != this.messages && !this.messages.isEmpty()) {
result = messages.iterator().next();
}
return result;
}
/**
* <p class="changed_modified_2_0">If this instance was created with a
* constructor that takes
* <code>Collection<FacesMessage></code>, this method returns the passed
* collection, otherwise this method returns <code>null</code>.</p>
*
* @since 2.0
*
* @return the messages
*/
public Collection<FacesMessage> getFacesMessages() {
return this.messages;
}
private FacesMessage message;
private Collection<FacesMessage> messages;
}