| /******************************************************************************* |
| * 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.operation; |
| |
| import java.lang.reflect.Method; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.base.util.GeneralException; |
| import org.ofbiz.base.util.ObjectType; |
| import org.w3c.dom.Element; |
| |
| /** |
| * A string operation that calls a validation method |
| */ |
| public class ValidateMethod extends SimpleMapOperation { |
| |
| public static final String module = ValidateMethod.class.getName(); |
| |
| String className; |
| String methodName; |
| |
| public ValidateMethod(Element element, SimpleMapProcess simpleMapProcess) { |
| super(element, simpleMapProcess); |
| this.methodName = element.getAttribute("method"); |
| this.className = element.getAttribute("class"); |
| } |
| |
| @Override |
| public void exec(Map<String, Object> inMap, Map<String, Object> results, List<Object> messages, Locale locale, ClassLoader loader) { |
| Object obj = inMap.get(fieldName); |
| String fieldValue = null; |
| try { |
| fieldValue = (String) ObjectType.simpleTypeConvert(obj, "String", null, locale); |
| } catch (GeneralException e) { |
| messages.add("Could not convert field value for comparison: " + e.getMessage()); |
| return; |
| } |
| if (loader == null) { |
| loader = Thread.currentThread().getContextClassLoader(); |
| } |
| Class<?>[] paramTypes = new Class<?>[] { String.class }; |
| Object[] params = new Object[] { fieldValue }; |
| Class<?> valClass; |
| try { |
| valClass = loader.loadClass(className); |
| } catch (ClassNotFoundException cnfe) { |
| String msg = "Could not find validation class: " + className; |
| messages.add(msg); |
| Debug.logError("[ValidateMethod.exec] " + msg, module); |
| return; |
| } |
| Method valMethod; |
| try { |
| valMethod = valClass.getMethod(methodName, paramTypes); |
| } catch (NoSuchMethodException cnfe) { |
| String msg = "Could not find validation method: " + methodName + " of class " + className; |
| messages.add(msg); |
| Debug.logError("[ValidateMethod.exec] " + msg, module); |
| return; |
| } |
| Boolean resultBool = Boolean.FALSE; |
| try { |
| resultBool = (Boolean) valMethod.invoke(null, params); |
| } catch (Exception e) { |
| String msg = "Error in validation method " + methodName + " of class " + className + ": " + e.getMessage(); |
| |
| messages.add(msg); |
| Debug.logError("[ValidateMethod.exec] " + msg, module); |
| return; |
| } |
| if (!resultBool.booleanValue()) { |
| addMessage(messages, loader, locale); |
| } |
| } |
| } |