001package org.apache.commons.digester3.examples.api.documentmarkup;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one or more
005 * contributor license agreements.  See the NOTICE file distributed with
006 * this work for additional information regarding copyright ownership.
007 * The ASF licenses this file to You under the Apache License, Version 2.0
008 * (the "License"); you may not use this file except in compliance with
009 * the License.  You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */ 
019
020import org.apache.commons.beanutils.MethodUtils;
021import org.apache.commons.digester3.Rule;
022
023/**
024 * When a text segment is discovered, it calls a specific method on the top
025 * object on the stack.
026 */
027public class SetTextSegmentRule
028    extends Rule
029    implements TextSegmentHandler
030{
031
032    // ----------------------------------------------------------- Constructors
033
034    public SetTextSegmentRule( String methodName )
035    {
036        this.methodName = methodName;
037    }
038
039    // ----------------------------------------------------- Instance Variables
040
041    /**
042     * The method name to call on the parent object.
043     */
044    protected String methodName = null;
045
046    // --------------------------------------------------------- Public Methods
047
048    /**
049     * Process the end of this element.
050     */
051    public void textSegment( String text )
052        throws Exception
053    {
054        Object target = getDigester().peek( 0 );
055
056        // Call the specified method
057        Class<?> paramTypes[] = new Class[] { String.class };
058        MethodUtils.invokeMethod( target, methodName, new Object[] { text }, paramTypes );
059    }
060
061}