/*
* 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.ElementType;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import javax.validation.ValidationException;
import org.hibernate.validator.cfg.context.MethodConstraintMappingContext;
import org.hibernate.validator.cfg.context.PropertyConstraintMappingContext;
import org.hibernate.validator.cfg.context.TypeConstraintMappingContext;
import org.hibernate.validator.util.Contracts;
import org.hibernate.validator.util.ReflectionHelper;
/**
* Base class for implementations of constraint mapping creational context types.
*
* @author Gunnar Morling
*/
public abstract class ConstraintMappingContextImplBase {
protected final Class<?> beanClass;
protected final ConstraintMappingContext mapping;
public ConstraintMappingContextImplBase(Class<?> beanClass, ConstraintMappingContext mapping) {
this.beanClass = beanClass;
this.mapping = mapping;
}
public <C> TypeConstraintMappingContext<C> type(Class<C> type) {
Contracts.assertNotNull( beanClass, "The bean type must not be null when creating a constraint mapping." );
return new TypeConstraintMappingContextImpl<C>( type, mapping );
}
public PropertyConstraintMappingContext property(String property, ElementType elementType) {
Contracts.assertNotNull( property, "The property name must not be null." );
Contracts.assertNotNull( elementType, "The element type must not be null." );
if ( property.length() == 0 ) {
throw new IllegalArgumentException( "The property name must not be empty." );
}
Member member = ReflectionHelper.getMember(
beanClass, property, elementType
);
if ( member == null ) {
throw new ValidationException(
"The class " + beanClass + " does not have a property '"
+ property + "' with access " + elementType
);
}
return new PropertyConstraintMappingContextImpl( beanClass, member, mapping );
}
public MethodConstraintMappingContext method(String name, Class<?>... parameterTypes) {
Contracts.assertNotNull( name, "The method name must not be null." );
Method method = ReflectionHelper.getDeclaredMethod( beanClass, name, parameterTypes );
if ( method == null ) {
StringBuilder sb = new StringBuilder();
for ( Class<?> oneParameterType : parameterTypes ) {
sb.append( oneParameterType.getName() + ", " );
}
String parameterTypesAsString = sb.length() > 2 ? sb.substring( 0, sb.length() - 2 ) : sb.toString();
throw new IllegalArgumentException(
String.format( "Type %s doesn't have a method %s(%s).", beanClass, name, parameterTypesAsString )
);
}
return new MethodConstraintMappingContextImpl( beanClass, method, mapping );
}
}