| /******************************************************************************* |
| * 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.conditional; |
| |
| import java.lang.reflect.Method; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.ofbiz.base.util.UtilXml; |
| import org.ofbiz.base.util.collections.FlexibleMapAccessor; |
| import org.ofbiz.minilang.MiniLangException; |
| import org.ofbiz.minilang.MiniLangRuntimeException; |
| import org.ofbiz.minilang.MiniLangUtil; |
| import org.ofbiz.minilang.MiniLangValidate; |
| import org.ofbiz.minilang.SimpleMethod; |
| import org.ofbiz.minilang.artifact.ArtifactInfoContext; |
| import org.ofbiz.minilang.method.MethodContext; |
| import org.ofbiz.minilang.method.MethodOperation; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <if-validate-method> element. |
| * |
| * @see <a href="https://cwiki.apache.org/OFBADMIN/mini-language-reference.html#Mini-languageReference-{{%3Cifvalidatemethod%3E}}">Mini-language Reference</a> |
| */ |
| public final class ValidateMethodCondition extends MethodOperation implements Conditional { |
| |
| public static final String module = ValidateMethodCondition.class.getName(); |
| private static final Class<?>[] paramTypes = new Class<?>[] { String.class }; |
| |
| private final String className; |
| private final FlexibleMapAccessor<Object> fieldFma; |
| private final String methodName; |
| // Sub-operations are used only when this is a method operation. |
| private final List<MethodOperation> elseSubOps; |
| private final List<MethodOperation> subOps; |
| |
| public ValidateMethodCondition(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "field", "method", "class"); |
| MiniLangValidate.requiredAttributes(simpleMethod, element, "field", "method"); |
| MiniLangValidate.constantAttributes(simpleMethod, element, "method", "class"); |
| MiniLangValidate.expressionAttributes(simpleMethod, element, "field"); |
| } |
| this.fieldFma = FlexibleMapAccessor.getInstance(element.getAttribute("field")); |
| this.methodName = element.getAttribute("method"); |
| this.className = MiniLangValidate.checkAttribute(element.getAttribute("class"), "org.ofbiz.base.util.UtilValidate"); |
| Element childElement = UtilXml.firstChildElement(element); |
| if (childElement != null && !"else".equals(childElement.getTagName())) { |
| this.subOps = Collections.unmodifiableList(SimpleMethod.readOperations(element, simpleMethod)); |
| } else { |
| this.subOps = null; |
| } |
| Element elseElement = UtilXml.firstChildElement(element, "else"); |
| if (elseElement != null) { |
| this.elseSubOps = Collections.unmodifiableList(SimpleMethod.readOperations(elseElement, simpleMethod)); |
| } else { |
| this.elseSubOps = null; |
| } |
| } |
| |
| @Override |
| public boolean checkCondition(MethodContext methodContext) throws MiniLangException { |
| Object fieldVal = fieldFma.get(methodContext.getEnvMap()); |
| if (fieldVal == null) { |
| fieldVal = ""; |
| } else if (!(fieldVal instanceof String)) { |
| try { |
| fieldVal = MiniLangUtil.convertType(fieldVal, String.class, methodContext.getLocale(), methodContext.getTimeZone(), null); |
| } catch (Exception e) { |
| throw new MiniLangRuntimeException(e, this); |
| } |
| } |
| Object[] params = new Object[] { fieldVal }; |
| try { |
| Class<?> valClass = methodContext.getLoader().loadClass(className); |
| Method valMethod = valClass.getMethod(methodName, paramTypes); |
| Boolean resultBool = (Boolean) valMethod.invoke(null, params); |
| return resultBool.booleanValue(); |
| } catch (Exception e) { |
| throw new MiniLangRuntimeException(e, this); |
| } |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| if (checkCondition(methodContext)) { |
| if (this.subOps != null) { |
| return SimpleMethod.runSubOps(subOps, methodContext); |
| } |
| } else { |
| if (elseSubOps != null) { |
| return SimpleMethod.runSubOps(elseSubOps, methodContext); |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void gatherArtifactInfo(ArtifactInfoContext aic) { |
| if (this.subOps != null) { |
| for (MethodOperation method : this.subOps) { |
| method.gatherArtifactInfo(aic); |
| } |
| } |
| if (this.elseSubOps != null) { |
| for (MethodOperation method : this.elseSubOps) { |
| method.gatherArtifactInfo(aic); |
| } |
| } |
| } |
| |
| public void prettyPrint(StringBuilder messageBuffer, MethodContext methodContext) { |
| messageBuffer.append("validate-method["); |
| messageBuffer.append(className); |
| messageBuffer.append("."); |
| messageBuffer.append(methodName); |
| messageBuffer.append("("); |
| messageBuffer.append(this.fieldFma); |
| if (methodContext != null) { |
| messageBuffer.append("="); |
| messageBuffer.append(fieldFma.get(methodContext.getEnvMap())); |
| } |
| messageBuffer.append(")]"); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("<if-validate-method "); |
| sb.append("field=\"").append(this.fieldFma).append("\" "); |
| if (!this.methodName.isEmpty()) { |
| sb.append("methodName=\"").append(this.methodName).append("\" "); |
| } |
| if (!"org.ofbiz.base.util.UtilValidate".equals(this.className)) { |
| sb.append("class=\"").append(this.className).append("\" "); |
| } |
| sb.append("/>"); |
| return sb.toString(); |
| } |
| |
| /** |
| * A <if-validate-method> element factory. |
| */ |
| public static final class ValidateMethodConditionFactory extends ConditionalFactory<ValidateMethodCondition> implements Factory<ValidateMethodCondition> { |
| @Override |
| public ValidateMethodCondition createCondition(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new ValidateMethodCondition(element, simpleMethod); |
| } |
| |
| @Override |
| public ValidateMethodCondition createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new ValidateMethodCondition(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "if-validate-method"; |
| } |
| } |
| } |