| /* |
| * 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.factory; |
| |
| import com.opensymphony.xwork2.ActionProxy; |
| import com.opensymphony.xwork2.ActionProxyFactory; |
| import com.opensymphony.xwork2.DefaultActionProxyFactory; |
| import com.opensymphony.xwork2.inject.Container; |
| import com.opensymphony.xwork2.inject.Initializable; |
| import com.opensymphony.xwork2.inject.Inject; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.struts2.StrutsConstants; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * <!-- START SNIPPET: description --> |
| * <p> |
| * Prefix based factory should be used with {@link org.apache.struts2.dispatcher.mapper.PrefixBasedActionMapper} |
| * to use appropriate {@link com.opensymphony.xwork2.ActionProxyFactory} connected with given |
| * {@link org.apache.struts2.dispatcher.mapper.ActionMapper} |
| * </p> |
| * |
| * <p> |
| * Add below entry to struts.xml to enable the factory: |
| * </p> |
| * |
| * <pre> |
| * <constant name="struts.actionProxyFactory" value="prefix"/> |
| * </pre> |
| * |
| * <p> |
| * The factory will use the same set of patterns as defined with: |
| * </p> |
| * |
| * <pre> |
| * <constant name="struts.mapper.prefixMapping" value="..."/> |
| * </pre> |
| * <!-- END SNIPPET: description --> |
| */ |
| public class PrefixBasedActionProxyFactory extends StrutsActionProxyFactory implements Initializable { |
| |
| private static final Logger LOG = LogManager.getLogger(PrefixBasedActionProxyFactory.class); |
| |
| private Map<String, ActionProxyFactory> actionProxyFactories = new HashMap<>(); |
| private Set<String> prefixes = new HashSet<>(); |
| |
| @Inject |
| public void setContainer(Container container) { |
| this.container = container; |
| } |
| |
| @Inject(StrutsConstants.PREFIX_BASED_MAPPER_CONFIGURATION) |
| public void setPrefixBasedActionProxyFactories(String list) { |
| if (list != null) { |
| prefixes = new HashSet<>(Arrays.asList(list.split(","))); |
| } |
| } |
| |
| @Override |
| public void init() { |
| for (String factory : prefixes) { |
| String[] thisFactory = factory.split(":"); |
| if (thisFactory.length == 2) { |
| String factoryPrefix = thisFactory[0].trim(); |
| String factoryName = thisFactory[1].trim(); |
| ActionProxyFactory obj = container.getInstance(ActionProxyFactory.class, factoryName); |
| if (obj != null) { |
| actionProxyFactories.put(factoryPrefix, obj); |
| } else { |
| LOG.warn("Invalid PrefixBasedActionProxyFactory config entry: [{}]", factory); |
| } |
| } |
| } |
| } |
| |
| public ActionProxy createActionProxy(String namespace, String actionName, String methodName, |
| Map<String, Object> extraContext, boolean executeResult, boolean cleanupContext) { |
| |
| String uri = namespace + (namespace.endsWith("/") ? actionName : "/" + actionName); |
| for (int lastIndex = uri.lastIndexOf('/'); lastIndex > (-1); lastIndex = uri.lastIndexOf('/', lastIndex - 1)) { |
| String key = uri.substring(0, lastIndex); |
| ActionProxyFactory actionProxyFactory = actionProxyFactories.get(key); |
| if (actionProxyFactory != null) { |
| LOG.debug("Using ActionProxyFactory [{}] for prefix [{}]", actionProxyFactory, key); |
| return actionProxyFactory.createActionProxy(namespace, actionName, methodName, extraContext, executeResult, cleanupContext); |
| } else { |
| LOG.debug("No ActionProxyFactory defined for [{}]", key); |
| } |
| } |
| LOG.debug("Cannot find any matching ActionProxyFactory, falling back to [{}]", super.getClass().getName()); |
| return super.createActionProxy(namespace, actionName, methodName, extraContext, executeResult, cleanupContext); |
| } |
| } |