| /* $Id: RuleLoader.java,v 1.5 2004/05/10 06:36:38 skitching Exp $ |
| * |
| * Copyright 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.commons.digester.plugins; |
| |
| import org.apache.commons.digester.Digester; |
| |
| /** |
| * Interface for classes which can dynamically load custom |
| * plugin rules associated with a user's plugin class. |
| * <p> |
| * Each plugin declaration has an associated RuleLoader instance, and that |
| * instance's addRules method is invoked each time the input xml specifies |
| * that an instance of that plugged-in class is to be created. |
| * <p> |
| * This is an abstract class rather than an interface in order to make |
| * it possible to enhance this class in future without breaking binary |
| * compatibility; it is possible to add methods to an abstract class, but |
| * not to an interface. |
| * |
| * @since 1.6 |
| */ |
| |
| public abstract class RuleLoader { |
| |
| /** |
| * Configures the digester with custom rules for some plugged-in |
| * class. |
| * <p> |
| * This method is invoked when the start of an xml tag is encountered |
| * which maps to a PluginCreateRule. Any rules added here are removed |
| * from the digester when the end of that xml tag is encountered. |
| */ |
| public abstract void addRules(Digester d, String path) throws PluginException; |
| } |