Commons Digester example source code file (StackCallParamRuleProvider.java)

This example Commons Digester source code file (StackCallParamRuleProvider.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Digester tags/keywords

annotationruleprovider, annotationruleprovider, callparamrule, callparamrule, methodargument, methodargument, stackcallparamruleprovider, stackcallparamruleprovider

The Commons Digester StackCallParamRuleProvider.java source code

/* $Id: StackCallParamRuleProvider.java 992746 2010-09-05 09:31:53Z simonetripodi $
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.digester.annotations.providers;

import org.apache.commons.digester.CallParamRule;
import org.apache.commons.digester.annotations.AnnotationRuleProvider;
import org.apache.commons.digester.annotations.reflect.MethodArgument;
import org.apache.commons.digester.annotations.rules.StackCallParam;

/**
 * Provides instances of {@link CallParamRule}.
 *
 * @see CallParamRule#CallParamRule(int,int)
 * @since 2.1
 */
public final class StackCallParamRuleProvider
        implements AnnotationRuleProvider<StackCallParam, MethodArgument, CallParamRule> {

    private int paramIndex;

    private int stackIndex;

    /**
     * {@inheritDoc}
     */
    public void init(StackCallParam annotation, MethodArgument element) {
        this.paramIndex = element.getIndex();
        this.stackIndex = annotation.stackIndex();
    }

    /**
     * {@inheritDoc}
     */
    public CallParamRule get() {
        return new CallParamRule(this.paramIndex, this.stackIndex);
    }

}