NoHttp封装--01

 1 public class NoHttpActivity extends Activity implements View.OnClickListener { 2 ?3 ????private final int NOHTTP_LOGIN = 0x01;//登陆 4 ????private final int NOHTTP_LOGOUT = 0x02;//退出 5 ?6 ????private TextView tvResult; 7 ?8 ????@Override 9 ????protected void onCreate(Bundle savedInstanceState) {10 ????????super.onCreate(savedInstanceState);11 ????????setContentView(R.layout.activity_nohttp);12 ????????findViewById(R.id.btn_login).setOnClickListener(this);13 ????????findViewById(R.id.btn_logout).setOnClickListener(this);14 ????????tvResult = (TextView) findViewById(R.id.tv_result);15 ????}16 17 ????@Override18 ????public void onClick(View v) {19 ????????if (v.getId() == R.id.btn_login) {20 ????????????FastJsonRequest request = new FastJsonRequest(Constants.LOGIN, RequestMethod.GET);21 ????????????request.add("userName", "yolanda");22 ????????????request.add("userPwd", "123");23 ????????????CallServer.getInstance().add(this, request, callBack, NOHTTP_LOGIN, true, false, true);24 ????????} else {25 ????????????FastJsonRequest request = new FastJsonRequest(Constants.LOGOUT, RequestMethod.GET);26 ????????????CallServer.getInstance().add(this, request, callBack, NOHTTP_LOGOUT, true, false, true);27 ????????}28 ????}29 30 ????private HttpCallBack<JSONObject> callBack = new HttpCallBack<JSONObject>() {31 32 ????????@Override33 ????????public void onSucceed(int what, Response<JSONObject> response) {34 ????????????if (what == NOHTTP_LOGIN) {// 处理登录结果35 ????????????????JSONObject jsonObject = response.get();36 ????????????????tvResult.setText("登录接口数据：" + jsonObject.getString("data"));37 ????????????} else if (what == NOHTTP_LOGOUT) {// 处理登出结果38 ????????????????JSONObject jsonObject = response.get();39 ????????????????tvResult.setText("退出接口数据：" + jsonObject.getString("data"));40 ????????????}41 ????????}42 43 ????????@Override44 ????????public void onFailed(int what, String url, Object tag, Exception exception, int responseCode, long networkMillis) {45 ????????????tvResult.setText("请求失败");46 ????????}47 ????};48 49 }

 1 public class CallServer { 2 ?3 ????private static CallServer instance; 4 ?5 ????private RequestQueue queue; 6 ?7 ????public synchronized static CallServer getInstance() { 8 ????????if (instance == null) { 9 ????????????instance = new CallServer();10 ????????}11 ????????return instance;12 ????}13 14 ????private CallServer() {15 ????????queue = NoHttp.newRequestQueue();16 ????}17 18 ????/**19 ?????* 添加一个请求到请求队列20 ?????* 21 ?????* @param context 上下文22 ?????* @param request 请求对象23 ?????* @param callBack 接受回调结果24 ?????* @param what what，当多个请求用同一个responseListener接受结果时，用来区分请求25 ?????* @param isShowDialog 是否显示dialog26 ?????* @param isCanCancel 请求是否能被用户取消27 ?????* @param isShowError 是否提示用户错误信息28 ?????*/29 ????public <T> void add(Context context, Request<T> request, HttpCallBack<T> callBack, int what, boolean isShowDialog, boolean isCanCancel, boolean isShowError) {30 ????????queue.add(what, request, new ResponseListener<T>(request, context, callBack, isShowDialog, isCanCancel, isShowError));31 ????}32 33 }

 1 public class ResponseListener<T> implements OnResponseListener<T> { 2 ?3 ????private Request<T> mRequest; 4 ?5 ????private WaitDialog mDialog; 6 ?7 ????private HttpCallBack<T> callBack; 8 ?9 ????private boolean isShowError;10 11 ????public ResponseListener(Request<T> request, Context context, HttpCallBack<T> callBack, boolean isShowDialog, boolean isCanCancel, boolean isShowError) {12 ????????this.mRequest = request;13 ????????this.callBack = callBack;14 ????????this.isShowError = isShowError;15 ????????if (context != null && isShowDialog) {16 ????????????mDialog = new WaitDialog(context);17 ????????????mDialog.setCancelable(isCanCancel);18 ????????????mDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {19 ????????????????@Override20 ????????????????public void onCancel(DialogInterface dialog) {21 ????????????????????mRequest.cancel(true);22 ????????????????}23 ????????????});24 ????????}25 ????}26 27 ????@Override28 ????public void onStart(int what) {29 ????????if (mDialog != null && !mDialog.isShowing())30 ????????????mDialog.show();31 ????}32 33 ????@Override34 ????public void onSucceed(int what, Response<T> response) {35 ????????if (callBack != null)36 ????????????callBack.onSucceed(what, response);37 ????}38 39 ????@Override40 ????public void onFailed(int what, String url, Object tag, Exception exception, int responseCode, long networkMillis) {41 ????????if (isShowError) {42 ????????????if (exception instanceof ClientError) {// 客户端错误43 ????????????????Toast.show("客户端发生错误");44 ????????????} else if (exception instanceof ServerError) {// 服务器错误45 ????????????????Toast.show("服务器发生错误");46 ????????????} else if (exception instanceof NetworkError) {// 网络不好47 ????????????????Toast.show("请检查网络");48 ????????????} else if (exception instanceof TimeoutError) {// 请求超时49 ????????????????Toast.show("请求超时，网络不好或者服务器不稳定");50 ????????????} else if (exception instanceof UnKnownHostError) {// 找不到服务器51 ????????????????Toast.show("未发现指定服务器");52 ????????????} else if (exception instanceof URLError) {// URL是错的53 ????????????????Toast.show("URL错误");54 ????????????} else if (exception instanceof NotFoundCacheError) {55 ????????????????Toast.show("没有发现缓存");56 ????????????} else {57 ????????????????Toast.show("未知错误");58 ????????????}59 ????????}60 ????????if (callBack != null)61 ????????????callBack.onFailed(what, url, tag, exception, responseCode, networkMillis);62 ????}63 64 ????@Override65 ????public void onFinish(int what) {66 ????????if (mDialog != null && mDialog.isShowing())67 ????????????mDialog.dismiss();68 ????}69 70 }

 1 public interface HttpCallBack<T> { 2 ?3 ????/** 4 ?????* Server correct response to callback when an HTTP request. 5 ?????* 6 ?????* @param what the credit of the incoming request is used to distinguish between multiple requests. 7 ?????* @param response in response to the results. 8 ?????*/ 9 ????void onSucceed(int what, Response<T> response);10 11 ????/**12 ?????* When there was an error correction.13 ?????*14 ?????* @param what the credit of the incoming request is used to distinguish between multiple requests.15 ?????* @param url url.16 ?????* @param tag tag of request callback.17 ?????* @param exception error message for request.18 ?????* @param responseCode server response code.19 ?????* @param networkMillis request process consumption time.20 ?????*/21 ????void onFailed(int what, String url, Object tag, Exception exception, int responseCode, long networkMillis);22 23 }

 1 public class FastJsonRequest extends RestRequest<JSONObject> { 2 ?3 ????public FastJsonRequest(String url, RequestMethod requestMethod) { 4 ????????super(url, requestMethod); 5 ????} 6 ?7 ????public FastJsonRequest(String url) { 8 ????????super(url); 9 ????}10 11 ????/**12 ?????* 高速服务端你能接受的数据类型是什么13 ?????*/14 ????@Override15 ????public String getAccept() {16 ????????return JsonObjectRequest.ACCEPT;17 ????}18 19 ????/**20 ?????* @param url 请求的url21 ?????* @param responseHeaders 服务端的响应头22 ?????* @param 服务端的响应数据23 ?????* @return 你解析后的对象24 ?????*/25 ????@Override26 ????public JSONObject parseResponse(String url, Headers responseHeaders, byte[] responseBody) {27 ????????return parse(url, responseHeaders, responseBody);28 ????}29 30 ????/**31 ?????* 解析服务端数据成{@link JsonObject}32 ?????* 33 ?????* @param url34 ?????* @param responseHeaders35 ?????* @param responseBody36 ?????* @return37 ?????*/38 ????public static JSONObject parse(String url, Headers responseHeaders, byte[] responseBody) {39 ????????String string = StringRequest.parseResponseString(url, responseHeaders, responseBody);40 ????????JSONObject jsonObject = null;41 ????????try {42 ????????????jsonObject = JSON.parseObject(string);43 ????????} catch (Exception e) {// 可能返回的数据不是json，或者其他异常44 ????????????string = "{}";45 ????????????jsonObject = JSON.parseObject(string);46 ????????}47 ????????return jsonObject;48 ????}49 50 }

 1 public class WaitDialog extends ProgressDialog { 2 ?3 ????public WaitDialog(Context context) { 4 ????????super(context); 5 ????????requestWindowFeature(Window.FEATURE_NO_TITLE); 6 ????????setCanceledOnTouchOutside(false); 7 ????????setProgressStyle(STYLE_SPINNER); 8 ????????setMessage("正在请求，请稍候…"); 9 ????}10 11 }