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Struts example source code file (StrutsVariableResolver.java)
The Struts StrutsVariableResolver.java source code/* * $Id: StrutsVariableResolver.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.jsf; import javax.faces.context.FacesContext; import javax.faces.el.EvaluationException; import javax.faces.el.VariableResolver; import com.opensymphony.xwork2.ognl.OgnlValueStack; import com.opensymphony.xwork2.ActionContext; /** * Will return a reference to the current action if the action name matches the * requested variable name. Otherwise it will attempt to resolve the name from * the value stack. Otherwise it will delegate to the original jsf resolver. */ public class StrutsVariableResolver extends VariableResolver { /** The original <code>VariableResolver passed to our constructor. */ private VariableResolver original = null; /** The variable name of our Struts action */ private static final String STRUTS_VARIABLE_NAME = "action"; /** * Constructor * * @param original * Original resolver to delegate to. */ public StrutsVariableResolver(VariableResolver original) { this.original = original; } /** * <p> * Will return a reference to the current action if the action name matches * the requested variable name. Otherwise it will attempt to resolve the * name from the value stack. Otherwise it will delegate to the original jsf * resolver. * </p> * * @param name * Variable name to be resolved */ public Object resolveVariable(FacesContext context, String name) throws EvaluationException { if (STRUTS_VARIABLE_NAME.equals(name)) { return ActionContext.getContext().getActionInvocation().getAction(); } Object obj = ActionContext.getContext().getValueStack().findValue(name); if (obj != null) { return obj; } else { return original.resolveVariable(context, name); } } } Other Struts examples (source code examples)Here is a short list of links related to this Struts StrutsVariableResolver.java source code file: |
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