ErpMessageParser.java

package org.xmx0632.deliciousfruit.erp;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.xmx0632.deliciousfruit.erp.bo.ErpApiReadResponse;
import org.xmx0632.deliciousfruit.erp.bo.ErpApiReadResponseWrapper;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;

@Component
public class ErpMessageParser {
	private static Logger log = LoggerFactory.getLogger(ErpMessageParser.class);

	public String toJson(Object object) {
		return JSON.toJSONString(object);
	}

	<T> T fromJson(String text, TypeReference<T> type) {
		return JSON.parseObject(text, type);
	}

	public <T> T parseResponse_old(String resp) {
		// 解析json响应消息
		ErpApiReadResponse<T> fromJson = fromJson(resp,
				new TypeReference<ErpApiReadResponse<T>>() {
				});
		log.info("fromJson:{}", fromJson);
		if (fromJson == null || fromJson.getData() == null) {
			return null;
		}
		return fromJson.getData().get(0);
	}

	@SuppressWarnings("unchecked")
	public <T> T parseResponse(String resp, T t) {
		// 解析json响应消息
		ErpApiReadResponseWrapper<ErpApiReadResponse<T>> fromJson = fromJson(
				resp,
				new TypeReference<ErpApiReadResponseWrapper<ErpApiReadResponse<T>>>() {
				});
		log.info("fromJson:{}", fromJson);
		if (fromJson == null || fromJson.getData() == null
				|| fromJson.getData().getData() == null
				|| fromJson.getData().getData().isEmpty()) {
			return null;
		}
		String result = fromJson.getResult();
		if (!"0".equals(result)) {
			return null;
		}
		List<T> respList = fromJson.getData().getData();
		T respObject = (T) respList.get(0);
		log.info("respObject:{}", respObject);

		return (T) JSON.parseObject(respObject.toString(), t.getClass());
	}
}