com.sun.faces.application.annotation.ValidatorConfigHandler Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.application.annotation;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import jakarta.faces.application.Application;
import jakarta.faces.context.FacesContext;
import jakarta.faces.validator.FacesValidator;
/**
*
* ConfigAnnotationHandler
for {@link FacesValidator} annotated classes.
*
*/
public class ValidatorConfigHandler implements ConfigAnnotationHandler {
private static final Collection> HANDLES;
static {
Collection> handles = new ArrayList<>(1);
handles.add(FacesValidator.class);
HANDLES = Collections.unmodifiableCollection(handles);
}
private Map validators;
// ------------------------------------- Methods from ComponentConfigHandler
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#getHandledAnnotations()
*/
@Override
public Collection> getHandledAnnotations() {
return HANDLES;
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#collect(Class, java.lang.annotation.Annotation)
*/
@Override
public void collect(Class target, Annotation annotation) {
if (validators == null) {
validators = new HashMap<>();
}
FacesValidator validatorAnnotation = (FacesValidator) annotation;
String value = ((FacesValidator) annotation).value();
if (null == value || 0 == value.length()) {
value = target.getSimpleName();
value = Character.toLowerCase(value.charAt(0)) + value.substring(1);
}
ValidatorInfo info = new ValidatorInfo(value, validatorAnnotation.isDefault());
validators.put(info, target.getName());
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#push(jakarta.faces.context.FacesContext)
*/
@Override
public void push(FacesContext ctx) {
if (validators != null) {
Application app = ctx.getApplication();
for (Map.Entry entry : validators.entrySet()) {
app.addValidator(entry.getKey().validatorId, entry.getValue());
if (entry.getKey().isDefault) {
app.addDefaultValidatorId(entry.getKey().validatorId);
}
}
}
}
// ---------------------------------------------------------- Nested Classes
private static class ValidatorInfo {
final String validatorId;
final boolean isDefault;
ValidatorInfo(String validatorId, boolean isDefault) {
this.validatorId = validatorId;
this.isDefault = isDefault;
}
}
}