| /* |
| * 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.validators; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.struts2.ServletActionContext; |
| import org.apache.struts2.dispatcher.ApplicationMap; |
| import org.apache.struts2.dispatcher.Dispatcher; |
| import org.apache.struts2.dispatcher.HttpParameters; |
| import org.apache.struts2.dispatcher.RequestMap; |
| import org.apache.struts2.dispatcher.SessionMap; |
| |
| import org.directwebremoting.WebContextFactory; |
| |
| import com.opensymphony.xwork2.Action; |
| import com.opensymphony.xwork2.ActionProxy; |
| import com.opensymphony.xwork2.ActionProxyFactory; |
| import com.opensymphony.xwork2.DefaultActionInvocation; |
| import com.opensymphony.xwork2.interceptor.ValidationAware; |
| import com.opensymphony.xwork2.ValidationAwareSupport; |
| import com.opensymphony.xwork2.config.entities.ActionConfig; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| |
| /** |
| * <p> |
| * Use the dwr configuration as follows: |
| * </p> |
| * |
| * <pre> |
| * <!-- START SNIPPET: dwrConfiguration --> |
| * |
| * <dwr> |
| * <allow> |
| * <create creator="new" javascript="validator" class="org.apache.struts2.validators.DWRValidator"/> |
| * <convert converter="bean" match="com.opensymphony.xwork2.ValidationAwareSupport"/> |
| * </allow> |
| * </dwr> |
| * |
| * <!-- END SNIPPET: dwrConfiguration --> |
| * </pre> |
| */ |
| public class DWRValidator { |
| |
| private static final Logger LOG = LogManager.getLogger(DWRValidator.class); |
| |
| public ValidationAwareSupport doPost(String namespace, String actionName, Map params) throws Exception { |
| HttpServletRequest req = WebContextFactory.get().getHttpServletRequest(); |
| ServletContext servletContext = WebContextFactory.get().getServletContext(); |
| HttpServletResponse res = WebContextFactory.get().getHttpServletResponse(); |
| |
| HttpParameters.Builder requestParams = HttpParameters.create(req.getParameterMap()); |
| if (params != null) { |
| requestParams = requestParams.withExtraParams(params); |
| } |
| Map<String, Object> requestMap = new RequestMap(req); |
| Map<String, Object> session = new SessionMap<>(req); |
| Map<String, Object> application = new ApplicationMap(servletContext); |
| Dispatcher du = Dispatcher.getInstance(); |
| Map<String, Object> ctx = du.createContextMap(requestMap, |
| requestParams.build(), |
| session, |
| application, |
| req, |
| res); |
| |
| try { |
| ActionProxyFactory actionProxyFactory = du.getContainer().getInstance(ActionProxyFactory.class); |
| ActionProxy proxy = actionProxyFactory.createActionProxy(namespace, actionName, null, ctx, true, true); |
| proxy.execute(); |
| Object action = proxy.getAction(); |
| |
| if (action instanceof ValidationAware) { |
| ValidationAware aware = (ValidationAware) action; |
| ValidationAwareSupport vas = new ValidationAwareSupport(); |
| vas.setActionErrors(aware.getActionErrors()); |
| vas.setActionMessages(aware.getActionMessages()); |
| vas.setFieldErrors(aware.getFieldErrors()); |
| |
| return vas; |
| } else { |
| return null; |
| } |
| } catch (Exception e) { |
| LOG.error("Error while trying to validate", e); |
| return null; |
| } |
| } |
| |
| public static class ValidatorActionInvocation extends DefaultActionInvocation { |
| |
| protected ValidatorActionInvocation(Map<String, Object> extraContext, boolean pushAction) throws Exception { |
| super(extraContext, pushAction); |
| } |
| |
| protected String invokeAction(Object action, ActionConfig actionConfig) throws Exception { |
| return Action.NONE; // don't actually execute the action |
| } |
| } |
| |
| } |