/**
* 内部调用接口，发起一个通用的GsonRequest请求
*
* @param url 请求地址
* @param clazz 响应的模型
* @param success 成功的回调
* @param error 失败的回调
* @param name 要上传文件的字段名(可选)
* @param file 要上传的文件(可选)
* @param sendImmediately 是否创建请求后马上发送，如果传false，则需要自己将request加入到requestQueue中去
* @return 返回的Request对象可以用于取消请求
*/
public static <T> Request request(
int method,
String url,
String refer,
String name,
File file,
Class<T> clazz,
Response.Listener<T> success,
Response.ErrorListener error,
boolean sendImmediately) {
Request request;
if (null == file) {
request = new GsonRequest<T>(method, url, refer, clazz, null, null, success, error);
request.setRetryPolicy(
RetryPolicyFactory.getRetryPolicy(RetryPolicyFactory.RETRY_POLICY.NORMAL));
} else {
request = new GsonRequest<T>(method, url, refer, clazz, name, file, success, error);
request.setRetryPolicy(
RetryPolicyFactory.getRetryPolicy(RetryPolicyFactory.RETRY_POLICY.MULTIPART));
}
if (sendImmediately) {
requestQueue.add(request);
}
return request;
}
@Test
public void otherClientError() throws Exception {
for (int i = 400; i <= 499; i++) {
if (i == 401 || i == 403) {
// covered above.
continue;
}
MockHttpStack mockHttpStack = new MockHttpStack();
BasicHttpResponse fakeResponse =
new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
mockHttpStack.setResponseToReturn(fakeResponse);
BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
Request<String> request = buildRequest();
request.setRetryPolicy(mMockRetryPolicy);
doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
try {
httpNetwork.performRequest(request);
} catch (VolleyError e) {
// expected
}
// should not retry other 400 errors.
verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
reset(mMockRetryPolicy);
}
}
protected void modifyJiage() {
String PriceHour, PriceMonth;
if (MyTextUtils.isEmpty(etPriceHour.getText().toString())) {
ToastUtils.showSuperToastComment(getApplicationContext(), "时租价格不能为空");
return;
} else {
PriceHour = etPriceHour.getText().toString();
}
if (MyTextUtils.isEmpty(etPriceMonth.getText().toString())) {
ToastUtils.showSuperToastComment(getApplicationContext(), "月租价格不能为空");
return;
} else {
PriceMonth = etPriceMonth.getText().toString();
}
String url;
url = PathConfig.ADDRESS + "/base/breleasepark/setPrice";
url = MyTextUtils.urlPlusFoot(url);
Map<String, String> params = new HashMap<String, String>();
params.put("Code", detailMap.get("CODE"));
params.put("PriceHour", PriceHour);
params.put("PriceMonth", PriceMonth);
Request<JSONObject> request =
new VolleyCommonPost(
url,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
String jsondata = response.toString();
Map<String, String> message =
JSON.parseObject(jsondata, new TypeReference<Map<String, String>>() {});
if (message.get("status").equals("true")) {
dismissDialog();
finish();
ToastUtils.showSuperToastAlertGreen(ModifyParkJiaGe.this, message.get("info"));
} else {
ToastUtils.showSuperToastAlert(ModifyParkJiaGe.this, message.get("info"));
finish();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
dismissDialog();
ToastUtils.showSuperToastAlert(ModifyParkJiaGe.this, "连接服务器失败,请稍后重试!");
}
},
params);
request.setRetryPolicy(new DefaultRetryPolicy(200 * 1000, 1, 1.0f));
ApplicationController.getInstance().addToRequestQueue(request);
}
/**
* Creates a new request with the given method (one of the values from {@link
* com.android.volley.Request.Method}), URL, and error listener. Note that the normal response
* listener is not provided here as delivery of responses is provided by subclasses, who have a
* better idea of how to deliver an already-parsed response.
*/
public Request(int method, String url, Response.ErrorListener listener) {
mMethod = method;
mUrl = url;
mErrorListener = listener;
setRetryPolicy(new DefaultRetryPolicy());
mDefaultTrafficStatsTag = TextUtils.isEmpty(url) ? 0 : Uri.parse(url).getHost().hashCode();
}
/**
* 通过GET方法下载一个文件，内部会走HTTP的缓存机制
*
* @param url
* @param success
* @param error
* @return
*/
public static Request<File> download(
String url, Response.Listener<File> success, Response.ErrorListener error) {
Request<File> request = new FileRequest(Method.GET, url, success, error);
request.setRetryPolicy(
RetryPolicyFactory.getRetryPolicy(RetryPolicyFactory.RETRY_POLICY.DOWNLOAD));
requestQueue.add(request);
return request;
}
/**
* 发起一个同步HTTP请求
*
* @param method
* @param url
* @param name
* @param file
* @param clazz
* @return
* @throws java.util.concurrent.ExecutionException
* @throws InterruptedException
*/
public static <T> T requestSync(
int method, String url, String refer, String name, File file, Class<T> clazz)
throws ExecutionException, InterruptedException {
Request<T> request;
RequestFuture<T> future = RequestFuture.newFuture();
if (null == file) {
request = new GsonRequest<T>(method, url, refer, clazz, null, null, future, future);
request.setRetryPolicy(
RetryPolicyFactory.getRetryPolicy(RetryPolicyFactory.RETRY_POLICY.NORMAL));
} else {
request = new GsonRequest<T>(method, url, refer, clazz, name, file, future, future);
request.setRetryPolicy(
RetryPolicyFactory.getRetryPolicy(RetryPolicyFactory.RETRY_POLICY.MULTIPART));
}
requestQueue.add(request);
T t = future.get();
return t;
}
public <T> void addToRequestQueue(Request<T> req) {
req.setTag(TAG);
req.setRetryPolicy(
new DefaultRetryPolicy(
DefaultRetryPolicy.DEFAULT_TIMEOUT_MS * 2,
DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
getRequestQueue().add(req);
}
public void addToQueue(Request request) {
if (request != null) {
request.setTag(this);
if (fRequestQueue == null) fRequestQueue = volley.getRequestQueue();
request.setRetryPolicy(
new DefaultRetryPolicy(60000, 3, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
onPreStartConnection();
fRequestQueue.add(request);
}
}
private static void dispatchToQueue(Request pRequest, Context pContext) {
if (!isNetworkConnected(pContext) && pRequest.getMethod() != Request.Method.GET) {
// non-GET request should not return cached response in case of no network
pRequest.deliverError(new VolleyError(RESPONSE_NO_INTERNET));
return;
}
switch (pRequest.getMethod()) {
case Request.Method.POST:
{
pRequest.setRetryPolicy(RETRY_POLICY_POST);
break;
}
case Request.Method.GET:
default:
{
pRequest.setRetryPolicy(RETRY_POLICY_GET);
break;
}
}
mRequestQueue.add(pRequest);
}
public static <T> void addRequest(RequestQueue requestQueue, Request<T> request, Object tag) {
if (tag != null) {
request.setTag(tag);
}
request.setShouldCache(false);
request.setRetryPolicy(
new DefaultRetryPolicy(
TIME_OUT,
DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
requestQueue.add(request);
}
@Test
public void connectTimeout() throws Exception {
MockHttpStack mockHttpStack = new MockHttpStack();
mockHttpStack.setExceptionToThrow(new ConnectTimeoutException());
BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
Request<String> request = buildRequest();
request.setRetryPolicy(mMockRetryPolicy);
doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
try {
httpNetwork.performRequest(request);
} catch (VolleyError e) {
// expected
}
// should retry connection timeouts
verify(mMockRetryPolicy).retry(any(TimeoutError.class));
}
@Test
public void forbidden() throws Exception {
MockHttpStack mockHttpStack = new MockHttpStack();
BasicHttpResponse fakeResponse =
new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), 403, "Forbidden");
mockHttpStack.setResponseToReturn(fakeResponse);
BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
Request<String> request = buildRequest();
request.setRetryPolicy(mMockRetryPolicy);
doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
try {
httpNetwork.performRequest(request);
} catch (VolleyError e) {
// expected
}
// should retry in case it's an auth failure.
verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
@Test
public void serverError_disableRetries() throws Exception {
for (int i = 500; i <= 599; i++) {
MockHttpStack mockHttpStack = new MockHttpStack();
BasicHttpResponse fakeResponse =
new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
mockHttpStack.setResponseToReturn(fakeResponse);
BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
Request<String> request = buildRequest();
request.setRetryPolicy(mMockRetryPolicy);
doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
try {
httpNetwork.performRequest(request);
} catch (VolleyError e) {
// expected
}
// should not retry any 500 error w/ HTTP 500 retries turned off (the default).
verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
reset(mMockRetryPolicy);
}
}
@Test
public void serverError_enableRetries() throws Exception {
for (int i = 500; i <= 599; i++) {
MockHttpStack mockHttpStack = new MockHttpStack();
BasicHttpResponse fakeResponse =
new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
mockHttpStack.setResponseToReturn(fakeResponse);
BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack, new ByteArrayPool(4096));
Request<String> request = buildRequest();
request.setRetryPolicy(mMockRetryPolicy);
request.setShouldRetryServerErrors(true);
doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
try {
httpNetwork.performRequest(request);
} catch (VolleyError e) {
// expected
}
// should retry all 500 errors
verify(mMockRetryPolicy).retry(any(ServerError.class));
reset(mMockRetryPolicy);
}
}
public <T> void addToRequestQueue(Request<T> req) {
req.setRetryPolicy(new DefaultRetryPolicy(20 * 1000, 1, 1.0f));
mRequestQueue.add(req);
}