001    /* $Id: CallParamRuleProvider.java 992746 2010-09-05 09:31:53Z 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.providers;
019    
020    import org.apache.commons.digester.CallParamRule;
021    import org.apache.commons.digester.annotations.AnnotationRuleProvider;
022    import org.apache.commons.digester.annotations.reflect.MethodArgument;
023    import org.apache.commons.digester.annotations.rules.CallParam;
024    
025    /**
026     * Provides instances of {@link CallParamRule}.
027     *
028     * @see CallParamRule#CallParamRule(int)
029     * @since 2.1
030     */
031    public final class CallParamRuleProvider implements AnnotationRuleProvider<CallParam, MethodArgument, CallParamRule> {
032    
033        private int index;
034    
035        /**
036         * {@inheritDoc}
037         */
038        public void init(CallParam annotation, MethodArgument element) {
039            this.index = element.getIndex();
040        }
041    
042        /**
043         * {@inheritDoc}
044         */
045        public CallParamRule get() {
046            return new CallParamRule(this.index);
047        }
048    
049    }