ExchangeReplaceLoader.java

package com.xiaomi.xms.sales.loader;

import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.os.AsyncTask;
import android.text.TextUtils;

import com.xiaomi.xms.sales.ShopApp;
import com.xiaomi.xms.sales.loader.BaseResult.ResultStatus;
import com.xiaomi.xms.sales.model.Tags;
import com.xiaomi.xms.sales.request.HostManager;
import com.xiaomi.xms.sales.request.Request;
import com.xiaomi.xms.sales.util.Constants;
import com.xiaomi.xms.sales.util.Device;
import com.xiaomi.xms.sales.util.JsonUtil;
import com.xiaomi.xms.sales.util.Utils;
import com.xiaomi.xms.sales.xmsf.account.LoginManager;

public class ExchangeReplaceLoader extends BaseLoader<ExchangeReplaceLoader.Result> {

	private final String CACHE_KEY = "ExchangeReplaceLoader";
	private JSONArray replaceSn;


	public ExchangeReplaceLoader(Context context, JSONArray replaceSn) {
		super(context);
		this.replaceSn = replaceSn;
	}

	public static final class Result extends BaseResult {
		public String responseInfo;

		public BaseResult shallowClone() {
			Result newResult = new Result();
			newResult.responseInfo = responseInfo;
			return newResult;
		}

		@Override
		public int getCount() {
			return responseInfo == null ? 0 : 1;
		}
	}

	protected String getCacheKey() {
		return CACHE_KEY + replaceSn;
	}

	@Override
	protected void initTaskList(List<AsyncTask<Void, Void, Result>> tasks) {
		tasks.add(new ExchangeReplaceUpdateTask(false));
	}


	private class ExchangeReplaceUpdateTask extends BaseLoader<Result>.UpdateTask {
		public ExchangeReplaceUpdateTask(boolean needSaveToDb) {
			super(needSaveToDb);
		}

		@Override
		protected Request getRequest() {
			Request request = new Request(HostManager.URL_XMS_SALE_API);
			JSONObject jsonObject = new JSONObject();
			try {
				jsonObject.put(Tags.XMSAPI.ORGID, Utils.Preference.getStringPref(ShopApp.getContext(), Constants.Account.PREF_USER_ORGID, ""));
				jsonObject.put(Tags.XMSAPI.USERID, LoginManager.getInstance().getUserId());
				jsonObject.put(Tags.XMSAPI.KEYWORDS, Utils.Preference.getStringPref(getContext(), Constants.SameDayReturn.PREF_KEY_RETURN_ORDER_ID, ""));
				jsonObject.put(Tags.XMSAPI.IMEI, Device.IMEI);
				jsonObject.put(Tags.XMSAPI.OPTYPE, "REPLACE");
				jsonObject.put(Tags.XMSAPI.REPLACESN, replaceSn);
				String data = JsonUtil.creatRequestJson(HostManager.Method.METHOD_DAYEXCHANGEREQUEST, jsonObject);
				if (!TextUtils.isEmpty(data)) {
					request.addParam(Tags.RequestKey.DATA, data);
				}
			} catch (JSONException e) {
				e.printStackTrace();
			}
			return request;
		}
	}

	@Override
	protected Result parseResult(JSONObject json, Result result)
			throws Exception {
		System.out.println("result:" + json);
		if (json != null) {
			try {
				String headerStr = json.optString("header");
				if (!TextUtils.isEmpty(headerStr)) {
					JSONObject header = new JSONObject(headerStr);
					if (header != null) {
						String code = header.optString("code");
						String desc = header.optString("desc");
						if (code != null && code.equals("200")) {
							result.responseInfo = "ok";
						} else {
							result.responseInfo = desc; // 错误描叙信息
						}
					}
				}
			} catch (JSONException e) {
				e.printStackTrace();
			}
		} else {
			result.setResultStatus(ResultStatus.DATA_ERROR);
		}
		return result;
	}

	@Override
	protected Result getResultInstance() {
		return new Result();
	}

	

}