| /******************************************************************************* |
| * 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.entity.util; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.ofbiz.base.conversion.AbstractConverter; |
| import org.ofbiz.base.conversion.ConversionException; |
| import org.ofbiz.base.conversion.ConverterLoader; |
| import org.ofbiz.base.lang.JSON; |
| import org.ofbiz.base.util.ObjectType; |
| import org.ofbiz.base.util.UtilGenerics; |
| import org.ofbiz.entity.Delegator; |
| import org.ofbiz.entity.DelegatorFactory; |
| import org.ofbiz.entity.GenericEntity; |
| import org.ofbiz.entity.GenericValue; |
| import org.ofbiz.entity.model.ModelField; |
| import org.ofbiz.entity.model.ModelFieldType; |
| |
| /** Entity Engine <code>Converter</code> classes. */ |
| public class Converters implements ConverterLoader { |
| |
| public static class JSONToGenericValue extends AbstractConverter<JSON, GenericValue> { |
| public JSONToGenericValue() { |
| super(JSON.class, GenericValue.class); |
| } |
| |
| public GenericValue convert(JSON obj) throws ConversionException { |
| Map<String, Object> fieldMap; |
| try { |
| fieldMap = UtilGenerics.<Map<String, Object>>cast(obj.toObject(Map.class)); |
| String delegatorName = (String) fieldMap.remove("_DELEGATOR_NAME_"); |
| String entityName = (String) fieldMap.remove("_ENTITY_NAME_"); |
| if (delegatorName == null || entityName == null) { |
| throw new ConversionException("Invalid JSON object"); |
| } |
| Delegator delegator = DelegatorFactory.getDelegator(delegatorName); |
| GenericValue value = delegator.makeValue(entityName); |
| for (Map.Entry<String, Object> entry : fieldMap.entrySet()) { |
| String fieldName = entry.getKey(); |
| Object fieldValue = entry.getValue(); |
| ModelField field = value.getModelEntity().getField(fieldName); |
| ModelFieldType type = delegator.getEntityFieldType(value.getModelEntity(), field.getType()); |
| value.set(fieldName, ObjectType.simpleTypeConvert(fieldValue, type.getJavaType(), null, null)); |
| } |
| return value; |
| } catch (ConversionException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class GenericValueToJSON extends AbstractConverter<GenericValue, JSON> { |
| public GenericValueToJSON() { |
| super(GenericValue.class, JSON.class); |
| } |
| |
| public JSON convert(GenericValue obj) throws ConversionException { |
| Map<String, Object> fieldMap = new HashMap<String, Object>(obj); |
| fieldMap.put("_DELEGATOR_NAME_", obj.getDelegator().getDelegatorName()); |
| fieldMap.put("_ENTITY_NAME_", obj.getEntityName()); |
| try { |
| return JSON.from(fieldMap); |
| } catch (IOException e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class GenericValueToList extends AbstractConverter<GenericValue, List<GenericValue>> { |
| public GenericValueToList() { |
| super(GenericValue.class, List.class); |
| } |
| |
| public List<GenericValue> convert(GenericValue obj) throws ConversionException { |
| List<GenericValue> tempList = new LinkedList<GenericValue>(); |
| tempList.add(obj); |
| return tempList; |
| } |
| } |
| |
| public static class GenericValueToSet extends AbstractConverter<GenericValue, Set<GenericValue>> { |
| public GenericValueToSet() { |
| super(GenericValue.class, Set.class); |
| } |
| |
| public Set<GenericValue> convert(GenericValue obj) throws ConversionException { |
| Set<GenericValue> tempSet = new HashSet<GenericValue>(); |
| tempSet.add(obj); |
| return tempSet; |
| } |
| } |
| |
| public static class GenericValueToString extends AbstractConverter<GenericValue, String> { |
| public GenericValueToString() { |
| super(GenericValue.class, String.class); |
| } |
| |
| public String convert(GenericValue obj) throws ConversionException { |
| return obj.toString(); |
| } |
| } |
| |
| public static class NullFieldToObject extends AbstractConverter<GenericEntity.NullField, Object> { |
| public NullFieldToObject() { |
| super(GenericEntity.NullField.class, Object.class); |
| } |
| |
| public Object convert(GenericEntity.NullField obj) throws ConversionException { |
| return null; |
| } |
| } |
| |
| public static class ObjectToNullField extends AbstractConverter<Object, GenericEntity.NullField> { |
| public ObjectToNullField() { |
| super(Object.class, GenericEntity.NullField.class); |
| } |
| |
| public GenericEntity.NullField convert(Object obj) throws ConversionException { |
| return GenericEntity.NULL_FIELD; |
| } |
| } |
| |
| public void loadConverters() { |
| org.ofbiz.base.conversion.Converters.loadContainedConverters(Converters.class); |
| } |
| } |