/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.seam.faces.component;
import java.util.HashMap;
import java.util.Map;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import org.apache.deltaspike.core.util.metadata.builder.AnnotatedTypeBuilder;
import org.jboss.seam.faces.validation.InputField;
//import org.jboss.solder.reflection.annotated.AnnotatedTypeBuilder;
/**
* Ensure that any field annotated with {@link InputField} is produced by the same producer method with output type
* {@link Object}.
*
* @author <a href="mailto:lincolnbaxter@gmail.com>Lincoln Baxter, III</a>
*/
@ApplicationScoped
public class FormValidationTypeOverrideExtension implements Extension {
private final Map<Class<?>, AnnotatedType<?>> typeOverrides = new HashMap<Class<?>, AnnotatedType<?>>();
public <T> void processAnnotatedType(@Observes final ProcessAnnotatedType<T> event) {
AnnotatedTypeBuilder<T> builder = new AnnotatedTypeBuilder<T>();
builder.readFromType(event.getAnnotatedType());
boolean modifiedType = false;
for (AnnotatedField<?> f : event.getAnnotatedType().getFields()) {
if (f.isAnnotationPresent(InputField.class)) {
builder.overrideFieldType(f.getJavaMember(), Object.class);
modifiedType = true;
}
}
if (modifiedType) {
AnnotatedType<T> replacement = builder.create();
typeOverrides.put(replacement.getJavaClass(), replacement);
event.setAnnotatedType(replacement);
}
}
public boolean hasOverriddenType(final Class<?> clazz) {
return typeOverrides.containsKey(clazz);
}
public AnnotatedType<?> getOverriddenType(final Class<?> clazz) {
return typeOverrides.get(clazz);
}
}