/*
* #%L
* BroadleafCommerce Open Admin Platform
* %%
* Copyright (C) 2009 - 2013 Broadleaf Commerce
* %%
* Licensed 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.
* #L%
*/
package org.broadleafcommerce.openadmin.web.rulebuilder;
import org.broadleafcommerce.openadmin.web.rulebuilder.dto.DataDTO;
import org.broadleafcommerce.openadmin.web.rulebuilder.dto.ExpressionDTO;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.map.DeserializationContext;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.deser.std.StdDeserializer;
import org.codehaus.jackson.node.ObjectNode;
import org.codehaus.jackson.type.TypeReference;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
/**
* @author Elbert Bautista (elbertbautista)
*/
public class DataDTODeserializer extends StdDeserializer<DataDTO> {
public DataDTODeserializer() {
super(DataDTO.class);
}
@Override
public DataDTO deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
ObjectMapper mapper = (ObjectMapper) jp.getCodec();
ObjectNode root = (ObjectNode) mapper.readTree(jp);
Iterator<Map.Entry<String, JsonNode>> elementsIterator =
root.getFields();
DataDTO dataDTO = new DataDTO();
ExpressionDTO expressionDTO = new ExpressionDTO();
boolean isExpression = false;
while (elementsIterator.hasNext()) {
Map.Entry<String, JsonNode> element=elementsIterator.next();
String name = element.getKey();
if ("name".equals(name)) {
expressionDTO.setName(element.getValue().asText());
isExpression = true;
}
if ("operator".equals(name)) {
expressionDTO.setOperator(element.getValue().asText());
isExpression = true;
}
if ("value".equals(name)) {
expressionDTO.setValue(element.getValue().asText());
isExpression = true;
}
if ("start".equals(name)) {
expressionDTO.setStart(element.getValue().asText());
isExpression = true;
}
if ("end".equals(name)) {
expressionDTO.setEnd(element.getValue().asText());
isExpression = true;
}
if ("id".equals(name)) {
if ("null".equals(element.getValue().asText())) {
dataDTO.setId(null);
} else {
dataDTO.setId(element.getValue().asLong());
}
}
if ("quantity".equals(name)) {
if ("null".equals(element.getValue().asText())) {
dataDTO.setQuantity(null);
} else {
dataDTO.setQuantity(element.getValue().asInt());
}
}
if ("groupOperator".equals(name)) {
dataDTO.setGroupOperator(element.getValue().asText());
}
if ("groups".equals(name)){
dataDTO.setGroups((ArrayList<DataDTO>)mapper.readValue(element.getValue(), new TypeReference<ArrayList<DataDTO>>(){}));
}
}
if (isExpression) {
return expressionDTO;
} else {
return dataDTO;
}
}
}