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Struts example source code file (Struts1Action.java)
The Struts Struts1Action.java source code/* * $Id: Struts1Action.java 651946 2008-04-27 13:41:38Z apetrelli $ * * 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.struts2.s1; import java.util.Arrays; import java.util.Iterator; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.Globals; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; import org.apache.struts2.ServletActionContext; import org.apache.struts2.StrutsException; import org.apache.struts2.dispatcher.DefaultActionSupport; import org.apache.struts2.dispatcher.Dispatcher; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ObjectFactory; import com.opensymphony.xwork2.config.Configuration; import com.opensymphony.xwork2.config.entities.ActionConfig; import com.opensymphony.xwork2.inject.Inject; import com.opensymphony.xwork2.interceptor.ScopedModelDriven; /** * Wraps legacy Struts 1.3 Actions. Supports the following features: * <ul> * <li>ActionForms * <li>ActionForwards that have the same name as a result * <li>ActionMessages stored in the request, converted to Struts 2 messages * <li>Action-level validation flag * </ul> * Still to do: * <ul> * <li>Custom ActionForward instances that don't have an associated result config * <li>setServlet() calls for the Action * <li>Most everything else... * </ul> */ public class Struts1Action extends DefaultActionSupport implements ScopedModelDriven<ActionForm> { private ActionForm actionForm; private String className; private boolean validate; private String scopeKey; private ObjectFactory objectFactory; private Configuration configuration; @Inject public void setObjectFactory(ObjectFactory fac) { this.objectFactory = fac; } @Inject public void setConfiguration(Configuration config) { this.configuration = config; } public String execute() throws Exception { ActionContext ctx = ActionContext.getContext(); ActionConfig actionConfig = ctx.getActionInvocation().getProxy().getConfig(); Action action = null; try { action = (Action) objectFactory.buildBean(className, null); } catch (Exception e) { throw new StrutsException("Unable to create the legacy Struts Action", e, actionConfig); } // We should call setServlet() here, but let's stub that out later Struts1Factory strutsFactory = new Struts1Factory(Dispatcher.getInstance().getConfigurationManager().getConfiguration()); ActionMapping mapping = strutsFactory.createActionMapping(actionConfig); HttpServletRequest request = ServletActionContext.getRequest(); HttpServletResponse response = ServletActionContext.getResponse(); ActionForward forward = action.execute(mapping, actionForm, request, response); ActionMessages messages = (ActionMessages) request.getAttribute(Globals.MESSAGE_KEY); if (messages != null) { for (Iterator i = messages.get(); i.hasNext(); ) { ActionMessage msg = (ActionMessage) i.next(); if (msg.getValues() != null && msg.getValues().length > 0) { addActionMessage(getText(msg.getKey(), Arrays.asList(msg.getValues()))); } else { addActionMessage(getText(msg.getKey())); } } } if (forward instanceof WrapperActionForward || actionConfig.getResults().containsKey(forward.getName())) { return forward.getName(); } else { throw new StrutsException("Unable to handle action forwards that don't have an associated result", actionConfig); } } public void setModel(ActionForm model) { actionForm = model; } public ActionForm getModel() { return actionForm; } /** * @return the validate */ public boolean isValidate() { return validate; } /** * @param validate the validate to set */ public void setValidate(boolean validate) { this.validate = validate; } /** * @param className the className to set */ public void setClassName(String className) { this.className = className; } public String getScopeKey() { return scopeKey; } public void setScopeKey(String key) { this.scopeKey = key; } } Other Struts examples (source code examples)Here is a short list of links related to this Struts Struts1Action.java source code file: |
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