/**
 * Created by Jlanglang on 2017/9/4 0004.
 */

public class SimpleParams extends HashMap<String, Object> {
 //這里放key,與校驗失敗后的提示內容
 private HashMap<Object, String> checkParams = new HashMap<>();

 public static SimpleParams create() {
 return new SimpleParams();
 }
 //返回this,鏈式編程
 public SimpleParams putP(String key, Object value) {
 this.putP(key, value, "");
 return this;
 }

 public SimpleParams putP(String key, Object value, String emptyMessage) {
 this.put(key, value);
 checkParams.put(key, emptyMessage);
 return this;
 }

 /**
 * 檢查params
 *
 * @param context
 * @return
 */
 public boolean checkValue(Context context) {
 return checkValue(context, null);
 }

 /**
 * 檢查params
 *
 * @param context
 * @return
 */
 public boolean checkValue(Context context, CheckParamsCallback checkParamsCallback) {
 Set<String> strings = keySet();
 for (String str : strings) {
  Object value = get(str);
  if (value == null || "".equals(value)) {
  String s = checkParams.get(str);
  //emptyMessage則說明,該參數不校驗
  if (!TextUtils.isEmpty(s)) {
   //傳入回調,自定義處理
   if (checkParamsCallback != null) {
   checkParamsCallback.callBack(s);
   } else {
   //默認Toast提示.
   Toast.makeText(context, s, Toast.LENGTH_SHORT).show();
   }
   return false;
  }
  }
 }
 return true;
 }

 public interface CheckParamsCallback {
 void callBack(String s);
 }
}