001    // Copyright 2010 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    package org.apache.tapestry5.beanvalidator;
015    
016    import org.apache.tapestry5.ioc.annotations.UsesConfiguration;
017    
018    /**
019     * Source for {@link ClientConstraintDescriptor}.
020     *
021     */
022    @UsesConfiguration(ClientConstraintDescriptor.class)
023    public interface ClientConstraintDescriptorSource 
024    {
025            /**
026             * Return a {@link ClientConstraintDescriptor} for a constraint annotation or null.
027             * 
028             * @param annotationClass type of the constraint annotation
029             */
030            ClientConstraintDescriptor getConstraintDescriptor(Class annotationClass);
031    }