001    /* $Id: AnnotationRuleProviderFactory.java 992719 2010-09-05 07:49:25Z simonetripodi $
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     *      http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.commons.digester.annotations.spi;
019    
020    import java.lang.annotation.Annotation;
021    import java.lang.reflect.AnnotatedElement;
022    
023    import org.apache.commons.digester.Rule;
024    import org.apache.commons.digester.annotations.AnnotationRuleProvider;
025    import org.apache.commons.digester.annotations.DigesterLoadingException;
026    
027    /**
028     * An object capable of providing instances of {@link AnnotationRuleProvider}.
029     *
030     * @since 2.1
031     */
032    public interface AnnotationRuleProviderFactory {
033    
034        /**
035         * Return an {@link AnnotationRuleProvider} instance of the specified type.
036         *
037         * @param <T> the {@link AnnotationRuleProvider} type.
038         * @param type the class of the object to be returned.
039         * @return an instance of the specified class.
040         * @throws DigesterLoadingException if any error occurs while creating the
041         *         {@code type} instance.
042         */
043        <T extends AnnotationRuleProvider<? extends Annotation, ? extends AnnotatedElement, ? extends Rule>>
044            T newInstance(Class<T> type) throws DigesterLoadingException;
045    
046    }