001 /* $Id: StackCallParamRuleProvider.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.StackCallParam;
024
025 /**
026 * Provides instances of {@link CallParamRule}.
027 *
028 * @see CallParamRule#CallParamRule(int,int)
029 * @since 2.1
030 */
031 public final class StackCallParamRuleProvider
032 implements AnnotationRuleProvider<StackCallParam, MethodArgument, CallParamRule> {
033
034 private int paramIndex;
035
036 private int stackIndex;
037
038 /**
039 * {@inheritDoc}
040 */
041 public void init(StackCallParam annotation, MethodArgument element) {
042 this.paramIndex = element.getIndex();
043 this.stackIndex = annotation.stackIndex();
044 }
045
046 /**
047 * {@inheritDoc}
048 */
049 public CallParamRule get() {
050 return new CallParamRule(this.paramIndex, this.stackIndex);
051 }
052
053 }