| /******************************************************************************* |
| * 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.base.conversion; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javolution.util.FastSet; |
| |
| import org.ofbiz.base.json.JSON; |
| import org.ofbiz.base.util.UtilGenerics; |
| |
| /** JSON Converter classes. */ |
| public class JSONConverters implements ConverterLoader { |
| public static class ObjectToJSONResultCreator<R extends JSONResult> implements ConverterCreator, ConverterLoader { |
| public void loadConverters() { |
| Converters.registerCreator(this); |
| } |
| |
| public <S, T> Converter<S, T> createConverter(Class<S> sourceClass, Class<T> targetClass) { |
| if (!JSONResult.class.isAssignableFrom(targetClass)) { |
| return null; |
| } |
| if (Collection.class.isAssignableFrom(sourceClass)) { |
| } else if (Map.class.isAssignableFrom(sourceClass)) { |
| } else if (Byte.class == sourceClass) { |
| } else if (Character.class == sourceClass) { |
| } else if (Double.class == sourceClass) { |
| } else if (Float.class == sourceClass) { |
| } else if (Integer.class == sourceClass) { |
| } else if (Long.class == sourceClass) { |
| } else if (Short.class == sourceClass) { |
| } else { |
| return null; |
| } |
| return UtilGenerics.cast(new ObjectToJSONWriterResult<S, JSONResult>(sourceClass, UtilGenerics.<Class<JSONResult>>cast(targetClass))); |
| } |
| } |
| |
| private static class ObjectToJSONWriterResult<S, T extends JSONResult> extends AbstractConverter<S, T> { |
| public ObjectToJSONWriterResult(Class<S> sourceClass, Class<T> targetClass) { |
| super(sourceClass, targetClass); |
| } |
| |
| public T convert(S obj) throws ConversionException { |
| try { |
| T result = UtilGenerics.<T>cast(getTargetClass().newInstance()); |
| result.getWriter().write(obj); |
| return result; |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToByte extends AbstractConverter<JSON, Byte> { |
| public JSONToByte() { |
| super(JSON.class, Byte.class); |
| } |
| |
| public Byte convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONLong().byteValue(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToDouble extends AbstractConverter<JSON, Double> { |
| public JSONToDouble() { |
| super(JSON.class, Double.class); |
| } |
| |
| public Double convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONFloat(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToFloat extends AbstractConverter<JSON, Float> { |
| public JSONToFloat() { |
| super(JSON.class, Float.class); |
| } |
| |
| public Float convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONFloat().floatValue(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToInteger extends AbstractConverter<JSON, Integer> { |
| public JSONToInteger() { |
| super(JSON.class, Integer.class); |
| } |
| |
| public Integer convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONLong().intValue(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToList extends AbstractConverter<JSON, List<Object>> { |
| public JSONToList() { |
| super(JSON.class, List.class); |
| } |
| |
| public List<Object> convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONArray(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToLong extends AbstractConverter<JSON, Long> { |
| public JSONToLong() { |
| super(JSON.class, Long.class); |
| } |
| |
| public Long convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONLong(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToMap extends AbstractConverter<JSON, Map<String, Object>> { |
| public JSONToMap() { |
| super(JSON.class, Map.class); |
| } |
| |
| public Map<String, Object> convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONObject(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToShort extends AbstractConverter<JSON, Short> { |
| public JSONToShort() { |
| super(JSON.class, Short.class); |
| } |
| |
| public Short convert(JSON obj) throws ConversionException { |
| try { |
| return obj.JSONLong().shortValue(); |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public static class JSONToSet extends AbstractConverter<JSON, Set<Object>> { |
| public JSONToSet() { |
| super(JSON.class, Set.class); |
| } |
| |
| public Set<Object> convert(JSON obj) throws ConversionException { |
| try { |
| Set<Object> set = FastSet.newInstance(); |
| set.addAll(obj.JSONArray()); |
| return set; |
| } catch (RuntimeException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new ConversionException(e); |
| } |
| } |
| } |
| |
| public void loadConverters() { |
| Converters.loadContainedConverters(JSONConverters.class); |
| } |
| } |