/* * $Id: ELMessageTag.java 471754 2006-11-06 14:55:09Z husted $ * * 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.strutsel.taglib.bean; import org.apache.struts.taglib.bean.MessageTag; import org.apache.strutsel.taglib.utils.EvalHelper; import javax.servlet.jsp.JspException; /** * Custom tag that retrieves an internationalized messages string (with * optional parametric replacement) from the <code>ActionResources</code> * object stored as a context attribute by our associated * <code>ActionServlet</code> implementation. <p> This class is a subclass of * the class <code>org.apache.struts.taglib.bean.MessageTag</code> which * provides most of the described functionality. This subclass allows all * attribute values to be specified as expressions utilizing the JavaServer * Pages Standard Library expression language. * * @version $Rev: 471754 $ */ public class ELMessageTag extends MessageTag { /** * Instance variable mapped to "arg0" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String arg0Expr; /** * Instance variable mapped to "arg1" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String arg1Expr; /** * Instance variable mapped to "arg2" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String arg2Expr; /** * Instance variable mapped to "arg3" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String arg3Expr; /** * Instance variable mapped to "arg4" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String arg4Expr; /** * Instance variable mapped to "bundle" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String bundleExpr; /** * Instance variable mapped to "key" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String keyExpr; /** * Instance variable mapped to "locale" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String localeExpr; /** * Instance variable mapped to "name" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String nameExpr; /** * Instance variable mapped to "property" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String propertyExpr; /** * Instance variable mapped to "scope" tag attribute. (Mapping set in * associated BeanInfo class.) */ private String scopeExpr; /** * Getter method for "arg0" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getArg0Expr() { return (arg0Expr); } /** * Getter method for "arg1" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getArg1Expr() { return (arg1Expr); } /** * Getter method for "arg2" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getArg2Expr() { return (arg2Expr); } /** * Getter method for "arg3" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getArg3Expr() { return (arg3Expr); } /** * Getter method for "arg4" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getArg4Expr() { return (arg4Expr); } /** * Getter method for "bundle" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getBundleExpr() { return (bundleExpr); } /** * Getter method for "key" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getKeyExpr() { return (keyExpr); } /** * Getter method for "locale" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getLocaleExpr() { return (localeExpr); } /** * Getter method for "name" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getNameExpr() { return (nameExpr); } /** * Getter method for "property" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getPropertyExpr() { return (propertyExpr); } /** * Getter method for "scope" tag attribute. (Mapping set in associated * BeanInfo class.) */ public String getScopeExpr() { return (scopeExpr); } /** * Setter method for "arg0" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setArg0Expr(String arg0Expr) { this.arg0Expr = arg0Expr; } /** * Setter method for "arg1" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setArg1Expr(String arg1Expr) { this.arg1Expr = arg1Expr; } /** * Setter method for "arg2" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setArg2Expr(String arg2Expr) { this.arg2Expr = arg2Expr; } /** * Setter method for "arg3" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setArg3Expr(String arg3Expr) { this.arg3Expr = arg3Expr; } /** * Setter method for "arg4" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setArg4Expr(String arg4Expr) { this.arg4Expr = arg4Expr; } /** * Setter method for "bundle" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setBundleExpr(String bundleExpr) { this.bundleExpr = bundleExpr; } /** * Setter method for "key" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setKeyExpr(String keyExpr) { this.keyExpr = keyExpr; } /** * Setter method for "locale" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setLocaleExpr(String localeExpr) { this.localeExpr = localeExpr; } /** * Setter method for "name" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setNameExpr(String nameExpr) { this.nameExpr = nameExpr; } /** * Setter method for "property" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setPropertyExpr(String propertyExpr) { this.propertyExpr = propertyExpr; } /** * Setter method for "scope" tag attribute. (Mapping set in associated * BeanInfo class.) */ public void setScopeExpr(String scopeExpr) { this.scopeExpr = scopeExpr; } /** * Resets attribute values for tag reuse. */ public void release() { super.release(); setArg0Expr(null); setArg1Expr(null); setArg2Expr(null); setArg3Expr(null); setArg4Expr(null); setBundleExpr(null); setKeyExpr(null); setLocaleExpr(null); setNameExpr(null); setPropertyExpr(null); setScopeExpr(null); } /** * Process the start tag. * * @throws JspException if a JSP exception has occurred */ public int doStartTag() throws JspException { evaluateExpressions(); return (super.doStartTag()); } /** * Processes all attribute values which use the JSTL expression evaluation * engine to determine their values. * * @throws JspException if a JSP exception has occurred */ private void evaluateExpressions() throws JspException { String string = null; if ((string = EvalHelper.evalString("arg0", getArg0Expr(), this, pageContext)) != null) { setArg0(string); } if ((string = EvalHelper.evalString("arg1", getArg1Expr(), this, pageContext)) != null) { setArg1(string); } if ((string = EvalHelper.evalString("arg2", getArg2Expr(), this, pageContext)) != null) { setArg2(string); } if ((string = EvalHelper.evalString("arg3", getArg3Expr(), this, pageContext)) != null) { setArg3(string); } if ((string = EvalHelper.evalString("arg4", getArg4Expr(), this, pageContext)) != null) { setArg4(string); } if ((string = EvalHelper.evalString("bundle", getBundleExpr(), this, pageContext)) != null) { setBundle(string); } if ((string = EvalHelper.evalString("key", getKeyExpr(), this, pageContext)) != null) { setKey(string); } if ((string = EvalHelper.evalString("locale", getLocaleExpr(), this, pageContext)) != null) { setLocale(string); } if ((string = EvalHelper.evalString("name", getNameExpr(), this, pageContext)) != null) { setName(string); } if ((string = EvalHelper.evalString("property", getPropertyExpr(), this, pageContext)) != null) { setProperty(string); } if ((string = EvalHelper.evalString("scope", getScopeExpr(), this, pageContext)) != null) { setScope(string); } } }