| /* |
| * $Id$ |
| * |
| * 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.struts.chain.commands; |
| |
| import org.apache.struts.chain.contexts.ActionContext; |
| import org.apache.struts.config.ActionConfig; |
| import org.apache.struts.config.ModuleConfig; |
| |
| /** |
| * <p>Cache the <code>ActionConfig</code> instance for the action to be used |
| * for processing this request.</p> |
| * |
| * @version $Rev$ $Date: 2005-11-05 21:44:59 -0500 (Sat, 05 Nov 2005) |
| * $ |
| */ |
| public abstract class AbstractSelectAction extends ActionCommandBase { |
| // ---------------------------------------------------------- Public Methods |
| |
| /** |
| * <p>Cache the <code>ActionConfig</code> instance for the action to be |
| * used for processing this request.</p> |
| * |
| * @param actionCtx The <code>Context</code> for the current request |
| * @return <code>false</code> so that processing continues |
| * @throws InvalidPathException if no valid action can be identified for |
| * this request |
| * @throws Exception if thrown by the Action class |
| */ |
| public boolean execute(ActionContext actionCtx) |
| throws Exception { |
| // Identify the matching path for this request |
| String path = getPath(actionCtx); |
| |
| // Cache the corresponding ActonConfig instance |
| ModuleConfig moduleConfig = actionCtx.getModuleConfig(); |
| ActionConfig actionConfig = moduleConfig.findActionConfig(path); |
| |
| if (actionConfig == null) { |
| // NOTE Shouldn't this be the responsibility of ModuleConfig? |
| // Locate the mapping for unknown paths (if any) |
| ActionConfig[] configs = moduleConfig.findActionConfigs(); |
| |
| for (int i = 0; i < configs.length; i++) { |
| if (configs[i].getUnknown()) { |
| actionConfig = configs[i]; |
| |
| break; |
| } |
| } |
| } |
| |
| if (actionConfig == null) { |
| throw new InvalidPathException("No action config found for the specified url.", |
| path); |
| } |
| |
| actionCtx.setActionConfig(actionConfig); |
| |
| return CONTINUE_PROCESSING; |
| } |
| |
| // ------------------------------------------------------- Protected Methods |
| |
| /** |
| * <p>Return the path to be used to select the <code>ActionConfig</code> |
| * for this request.</p> |
| * |
| * @param context The <code>Context</code> for this request |
| * @return Path to be used to select the ActionConfig |
| */ |
| protected abstract String getPath(ActionContext context); |
| } |