| /* $Id$ |
| * |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.catalina.startup; |
| |
| import org.apache.catalina.Context; |
| import org.apache.catalina.deploy.NamingResources; |
| import org.apache.tomcat.util.IntrospectionUtils; |
| import org.apache.tomcat.util.digester.Rule; |
| |
| |
| /** |
| * <p>Rule implementation that calls a method on the (top-1) (parent) |
| * object, passing the top object (child) as an argument. It is |
| * commonly used to establish parent-child relationships.</p> |
| * |
| * <p>This rule now supports more flexible method matching by default. |
| * It is possible that this may break (some) code |
| * written against release 1.1.1 or earlier. |
| * </p> |
| */ |
| |
| public class SetNextNamingRule extends Rule { |
| |
| |
| // ----------------------------------------------------------- Constructors |
| |
| |
| /** |
| * Construct a "set next" rule with the specified method name. |
| * |
| * @param methodName Method name of the parent method to call |
| * @param paramType Java class of the parent method's argument |
| * (if you wish to use a primitive type, specify the corresonding |
| * Java wrapper class instead, such as <code>java.lang.Boolean</code> |
| * for a <code>boolean</code> parameter) |
| */ |
| public SetNextNamingRule(String methodName, |
| String paramType) { |
| |
| this.methodName = methodName; |
| this.paramType = paramType; |
| |
| } |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| /** |
| * The method name to call on the parent object. |
| */ |
| protected String methodName = null; |
| |
| |
| /** |
| * The Java class name of the parameter type expected by the method. |
| */ |
| protected String paramType = null; |
| |
| |
| // --------------------------------------------------------- Public Methods |
| |
| |
| /** |
| * Process the end of this element. |
| */ |
| public void end() throws Exception { |
| |
| // Identify the objects to be used |
| Object child = digester.peek(0); |
| Object parent = digester.peek(1); |
| |
| NamingResources namingResources = null; |
| if (parent instanceof Context) { |
| namingResources = ((Context) parent).getNamingResources(); |
| } else { |
| namingResources = (NamingResources) parent; |
| } |
| |
| // Call the specified method |
| IntrospectionUtils.callMethod1(namingResources, methodName, |
| child, paramType, digester.getClassLoader()); |
| |
| } |
| |
| |
| /** |
| * Render a printable version of this Rule. |
| */ |
| public String toString() { |
| |
| StringBuffer sb = new StringBuffer("SetNextRule["); |
| sb.append("methodName="); |
| sb.append(methodName); |
| sb.append(", paramType="); |
| sb.append(paramType); |
| sb.append("]"); |
| return (sb.toString()); |
| |
| } |
| |
| |
| } |