/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and/or its affiliates, 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.hibernate.validator.cfg.context.impl;
import java.lang.annotation.Annotation;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.util.Map;
import org.hibernate.validator.cfg.ConstraintDef;
import org.hibernate.validator.metadata.location.BeanConstraintLocation;
import org.hibernate.validator.metadata.location.ConstraintLocation;
import org.hibernate.validator.metadata.location.MethodConstraintLocation;
/**
* Represents a programmatically configured constraint and meta-data
* related to its location (bean type etc.).
*
* @author Gunnar Morling
*/
public class ConfiguredConstraint<A extends Annotation, L extends ConstraintLocation> {
private final ConstraintDefAccessor<A> constraint;
private final L location;
private ConfiguredConstraint(ConstraintDef<?, A> constraint, L location) {
this.constraint = new ConstraintDefAccessor<A>( constraint );
this.location = location;
}
public static <A extends Annotation> ConfiguredConstraint<A, BeanConstraintLocation> forType(ConstraintDef<?, A> constraint, Class<?> beanType) {
return new ConfiguredConstraint<A, BeanConstraintLocation>(
constraint, new BeanConstraintLocation( beanType )
);
}
public static <A extends Annotation> ConfiguredConstraint<A, BeanConstraintLocation> forProperty(ConstraintDef<?, A> constraint, Class<?> beanType, Member member) {
return new ConfiguredConstraint<A, BeanConstraintLocation>(
constraint, new BeanConstraintLocation( beanType, member )
);
}
public static <A extends Annotation> ConfiguredConstraint<A, MethodConstraintLocation> forParameter(ConstraintDef<?, A> constraint, Method method, int parameterIndex) {
return new ConfiguredConstraint<A, MethodConstraintLocation>(
constraint, new MethodConstraintLocation( method, parameterIndex )
);
}
public static <A extends Annotation> ConfiguredConstraint<A, MethodConstraintLocation> forReturnValue(ConstraintDef<?, A> constraint, Method method) {
return new ConfiguredConstraint<A, MethodConstraintLocation>(
constraint, new MethodConstraintLocation( method )
);
}
public ConstraintDef<?, A> getConstraint() {
return constraint;
}
public L getLocation() {
return location;
}
public Class<A> getConstraintType() {
return constraint.getConstraintType();
}
public Map<String, Object> getParameters() {
return constraint.getParameters();
}
/**
* Provides access to the members of a {@link ConstraintDef}.
*/
private static class ConstraintDefAccessor<A extends Annotation>
extends ConstraintDef<ConstraintDefAccessor<A>, A> {
private ConstraintDefAccessor(ConstraintDef<?, A> original) {
super( original );
}
private Class<A> getConstraintType() {
return constraintType;
}
private Map<String, Object> getParameters() {
return parameters;
}
}
}