| /******************************************************************************* |
| * 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.ofbiz.minilang.method.eventops; |
| |
| import java.net.URL; |
| |
| import javax.servlet.ServletContext; |
| |
| import org.ofbiz.base.util.UtilProperties; |
| import org.ofbiz.base.util.collections.FlexibleMapAccessor; |
| import org.ofbiz.base.util.string.FlexibleStringExpander; |
| import org.ofbiz.minilang.MiniLangException; |
| import org.ofbiz.minilang.MiniLangRuntimeException; |
| import org.ofbiz.minilang.MiniLangValidate; |
| import org.ofbiz.minilang.SimpleMethod; |
| import org.ofbiz.minilang.method.MethodContext; |
| import org.ofbiz.minilang.method.MethodOperation; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <webapp-property-to-field> element. |
| * |
| * @see <a href="https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{%3Cwebapppropertytofield%3E}}">Mini-language Reference</a> |
| */ |
| public final class WebappPropertyToField extends MethodOperation { |
| |
| private final FlexibleStringExpander defaultFse; |
| private final FlexibleMapAccessor<Object> fieldFma; |
| private final FlexibleStringExpander propertyFse; |
| private final FlexibleStringExpander resourceFse; |
| |
| public WebappPropertyToField(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "field", "resource", "property", "default"); |
| MiniLangValidate.requiredAttributes(simpleMethod, element, "field", "resource", "property"); |
| MiniLangValidate.expressionAttributes(simpleMethod, element, "field"); |
| MiniLangValidate.noChildElements(simpleMethod, element); |
| } |
| this.fieldFma = FlexibleMapAccessor.getInstance(element.getAttribute("field")); |
| this.resourceFse = FlexibleStringExpander.getInstance(element.getAttribute("resource")); |
| this.propertyFse = FlexibleStringExpander.getInstance(element.getAttribute("property")); |
| this.defaultFse = FlexibleStringExpander.getInstance(element.getAttribute("default")); |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| if (methodContext.getMethodType() == MethodContext.EVENT) { |
| String resource = resourceFse.expandString(methodContext.getEnvMap()); |
| ServletContext servletContext = (ServletContext) methodContext.getRequest().getAttribute("servletContext"); |
| URL propsUrl = null; |
| try { |
| propsUrl = servletContext.getResource(resource); |
| } catch (java.net.MalformedURLException e) { |
| throw new MiniLangRuntimeException("Exception thrown while finding properties file " + resource + ": " + e.getMessage(), this); |
| } |
| if (propsUrl == null) { |
| throw new MiniLangRuntimeException("Properties file " + resource + " not found.", this); |
| } |
| String property = propertyFse.expandString(methodContext.getEnvMap()); |
| String fieldVal = UtilProperties.getPropertyValue(propsUrl, property); |
| if (fieldVal == null) { |
| fieldVal = defaultFse.expandString(methodContext.getEnvMap()); |
| } |
| fieldFma.put(methodContext.getEnvMap(), fieldVal); |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("<webapp-property-to-field "); |
| sb.append("field=\"").append(this.fieldFma).append("\" "); |
| sb.append("resource=\"").append(this.resourceFse).append("\" "); |
| sb.append("property=\"").append(this.propertyFse).append("\" "); |
| if (!this.defaultFse.isEmpty()) { |
| sb.append("default=\"").append(this.defaultFse).append("\" "); |
| } |
| sb.append("/>"); |
| return sb.toString(); |
| } |
| |
| /** |
| * A factory for the <webapp-property-to-field> element. |
| */ |
| public static final class WebappPropertyToFieldFactory implements Factory<WebappPropertyToField> { |
| @Override |
| public WebappPropertyToField createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new WebappPropertyToField(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "webapp-property-to-field"; |
| } |
| } |
| } |