public Object getAsObject(FacesContext context, UIComponent component, String value) {
Converter delegate = getDelegate(context);
if (delegate != null) {
return delegate.getAsObject(context, component, value);
} else {
throw new ConverterException(
MessageUtils.getExceptionMessage(
MessageUtils.CANNOT_CONVERT_ID,
converterId != null ? converterId.getExpressionString() : "",
binding != null ? binding.getExpressionString() : ""));
}
}
/**
* Perform the correctness checks implemented by this {@link javax.faces.validator.Validator}
* against the specified {@link javax.faces.component.UIComponent}. If any violations are found,
* a {@link javax.faces.validator.ValidatorException} will be thrown containing the {@link
* javax.faces.application.FacesMessage} describing the failure.
*
* @param context FacesContext for the request we are processing
* @param component UIComponent we are checking for correctness
* @param value the value to validate
* @throws javax.faces.validator.ValidatorException if validation fails
* @throws NullPointerException if <code>context</code> or <code>component</code> is <code>null
* </code>
*/
public void validate(FacesContext context, UIComponent component, Object value)
throws ValidatorException {
Validator instance = createValidator(validatorId, binding, context);
if (instance != null) {
instance.validate(context, component, value);
} else {
throw new ValidatorException(
MessageUtils.getExceptionMessage(
MessageUtils.CANNOT_VALIDATE_ID,
validatorId != null ? validatorId.getExpressionString() : "",
binding != null ? binding.getExpressionString() : ""));
}
}
/**
* This method uses helper methods to determine the new <code>view</code> identifier. Refer to
* section 7.4.2 of the specification for more details.
*
* @param context The Faces Context
* @param fromAction The action reference string
* @param outcome The outcome string
* @return The <code>view</code> identifier.
*/
private CaseStruct getViewId(FacesContext context, String fromAction, String outcome) {
UIViewRoot root = context.getViewRoot();
String viewId = (root != null ? root.getViewId() : null);
// if viewId is not null, use its value to find
// a navigation match, otherwise look for a match
// based soley on the fromAction and outcome
CaseStruct caseStruct = null;
if (viewId != null) {
caseStruct = findExactMatch(viewId, fromAction, outcome);
if (caseStruct == null) {
caseStruct = findWildCardMatch(viewId, fromAction, outcome);
}
}
if (caseStruct == null) {
caseStruct = findDefaultMatch(fromAction, outcome);
}
if (caseStruct == null && development) {
String key;
Object[] params;
if (fromAction == null) {
key = MessageUtils.NAVIGATION_NO_MATCHING_OUTCOME_ID;
params = new Object[] {viewId, outcome};
} else {
key = MessageUtils.NAVIGATION_NO_MATCHING_OUTCOME_ACTION_ID;
params = new Object[] {viewId, fromAction, outcome};
}
FacesMessage m = MessageUtils.getExceptionMessage(key, params);
m.setSeverity(FacesMessage.SEVERITY_WARN);
context.addMessage(null, m);
}
return caseStruct;
}
