| /******************************************************************************* |
| * 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.ofbiz.minilang.method.envops; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.ofbiz.base.util.UtilXml; |
| import org.apache.ofbiz.base.util.collections.FlexibleMapAccessor; |
| import org.apache.ofbiz.base.util.string.FlexibleStringExpander; |
| import org.apache.ofbiz.minilang.MiniLangException; |
| import org.apache.ofbiz.minilang.MiniLangValidate; |
| import org.apache.ofbiz.minilang.SimpleMethod; |
| import org.apache.ofbiz.minilang.method.MethodContext; |
| import org.apache.ofbiz.minilang.method.MethodOperation; |
| import org.apache.ofbiz.minilang.method.conditional.Conditional; |
| import org.apache.ofbiz.minilang.method.conditional.ConditionalFactory; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <assert> element. |
| * |
| * @see <a href="https://cwiki.apache.org/confluence/display/OFBADMIN/Mini+Language+-+minilang+-+simple-method+-+Reference">Mini-language Referenc</a> |
| */ |
| public final class Assert extends MethodOperation { |
| |
| public static final String module = Assert.class.getName(); |
| |
| private final List<Conditional> conditionalList; |
| private final FlexibleMapAccessor<List<Object>> errorListFma; |
| private final FlexibleStringExpander titleExdr; |
| |
| public Assert(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "title", "error-list-name"); |
| MiniLangValidate.constantAttributes(simpleMethod, element, "title", "error-list-name"); |
| } |
| errorListFma = FlexibleMapAccessor.getInstance(MiniLangValidate.checkAttribute(element.getAttribute("error-list-name"), "error_list")); |
| titleExdr = FlexibleStringExpander.getInstance(element.getAttribute("title")); |
| List<? extends Element> childElements = UtilXml.childElementList(element); |
| if (MiniLangValidate.validationOn() && childElements.isEmpty()) { |
| MiniLangValidate.handleError("No conditional elements.", simpleMethod, element); |
| } |
| List<Conditional> conditionalList = new ArrayList<Conditional>(childElements.size()); |
| for (Element conditionalElement : UtilXml.childElementList(element)) { |
| conditionalList.add(ConditionalFactory.makeConditional(conditionalElement, simpleMethod)); |
| } |
| this.conditionalList = Collections.unmodifiableList(conditionalList); |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| if (methodContext.isTraceOn()) { |
| outputTraceMessage(methodContext, "Begin assert."); |
| } |
| List<Object> messages = errorListFma.get(methodContext.getEnvMap()); |
| String title = titleExdr.expandString(methodContext.getEnvMap()); |
| for (Conditional condition : conditionalList) { |
| if (!condition.checkCondition(methodContext)) { |
| StringBuilder messageBuffer = new StringBuilder("Assertion "); |
| if (!title.isEmpty()) { |
| messageBuffer.append("["); |
| messageBuffer.append(title); |
| messageBuffer.append("] "); |
| } |
| messageBuffer.append("failed: "); |
| condition.prettyPrint(messageBuffer, methodContext); |
| if (messages == null) { |
| messages = new LinkedList<Object>(); |
| errorListFma.put(methodContext.getEnvMap(), messages); |
| } |
| messages.add(messageBuffer.toString()); |
| if (methodContext.isTraceOn()) { |
| outputTraceMessage(methodContext, "Condition evaluated to false: " + condition + ", adding error message."); |
| } |
| } |
| } |
| if (methodContext.isTraceOn()) { |
| outputTraceMessage(methodContext, "End assert."); |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder messageBuf = new StringBuilder("<assert"); |
| if (!titleExdr.isEmpty()) { |
| messageBuf.append(" title=\""); |
| messageBuf.append(titleExdr); |
| messageBuf.append("\""); |
| } |
| messageBuf.append(">"); |
| for (Conditional condition : conditionalList) { |
| messageBuf.append(condition); |
| } |
| messageBuf.append("</assert>"); |
| return messageBuf.toString(); |
| } |
| |
| /** |
| * A factory for the <assert> element. |
| */ |
| public static final class AssertFactory implements Factory<Assert> { |
| @Override |
| public Assert createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new Assert(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "assert"; |
| } |
| } |
| } |