001    /* $Id: DefaultAnnotationRuleProviderFactory.java 992060 2010-09-02 19:09:47Z 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.internal;
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    import org.apache.commons.digester.annotations.spi.AnnotationRuleProviderFactory;
027    
028    /**
029     * Default {@link AnnotationRuleProviderFactory} implementation.
030     *
031     * @since 2.1
032     */
033    public final class DefaultAnnotationRuleProviderFactory implements AnnotationRuleProviderFactory {
034    
035        /**
036         * {@inheritDoc}
037         */
038        public <T extends AnnotationRuleProvider<? extends Annotation, ? extends AnnotatedElement, ? extends Rule>>
039                T newInstance(Class<T> type) throws DigesterLoadingException {
040            try {
041                return type.newInstance();
042            } catch (Exception e) {
043                throw new DigesterLoadingException("An error occurred while creating '"
044                        + type
045                        + "' instance", e);
046            }
047        }
048    
049    }