Commons Digester example source code file (SetTextSegmentRule.java)

This example Commons Digester source code file (SetTextSegmentRule.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

class, class, exception, exception, object, object, rule, settextsegmentrule, settextsegmentrule, string, textsegmenthandler

The Commons Digester SetTextSegmentRule.java source code

/*
 * 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.
 */ 

import org.apache.commons.beanutils.MethodUtils;
import org.apache.commons.digester.Rule;

/**
 * When a text segment is discovered, it calls a specific method on the top
 * object on the stack.
 */

public class SetTextSegmentRule extends Rule implements TextSegmentHandler {


    // ----------------------------------------------------------- Constructors

    public SetTextSegmentRule(String methodName) {
        this.methodName = methodName;
    }

    // ----------------------------------------------------- Instance Variables


    /**
     * The method name to call on the parent object.
     */
    protected String methodName = null;

    // --------------------------------------------------------- Public Methods

    /**
     * Process the end of this element.
     */
    public void textSegment(String text) throws Exception {

        Object target = digester.peek(0);

        // Call the specified method
        Class paramTypes[] = new Class[] {String.class};
        MethodUtils.invokeMethod(target, methodName,
            new Object[]{ text }, paramTypes);
    }
}