@Test
public void testCacheEntryNull() throws VolleyError {
when(cache.get(anyString())).thenReturn(null);
dispatcher.processRequest(request);
verify(mockNetwork).performRequest(request);
}
// Lyrics response in this method can be handled in a better way.If the response was jsonarray or
// jsonobject,
// it can be parsed quickly.
private void getLyricDetails() {
// We first check for cached request
Cache cache = MusicSearchController.getInstance().getRequestQueue().getCache();
Entry entry = cache.get(lyricsURL);
if (entry != null) {
// fetch the data from cache
try {
String data = new String(entry.data, "UTF-8");
// Display the first 500 characters of the response string.
lyricsDetail.setText("Response is: " + data);
// hideProgressDialog();
setProgressBarIndeterminateVisibility(false);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
} else {
// making fresh volley request and getting json
// Request a string response from the provided URL.
StringRequest stringRequest =
new StringRequest(
Request.Method.GET,
lyricsURL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
// Display the first 500 characters of the response
// string.
Log.d(TAG, response);
lyricsDetail.setText("Response is: " + response);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
lyricsDetail.setText("Could not get lyrics details");
}
});
// Adding request to volley request queue
MusicSearchController.getInstance().addToRequestQueue(stringRequest);
}
}
public void getData() {
Cache cache = AppController.getInstance().getRequestQueue().getCache();
Cache.Entry entry = cache.get(URL_FEED);
if (entry != null) {
// fetch the data from cache
try {
String data = new String(entry.data, "UTF-8");
try {
parseJsonFeed(new JSONObject(data));
} catch (JSONException e) {
e.printStackTrace();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
} else {
// making fresh volley request and getting json
JsonObjectRequest jsonReq =
new JsonObjectRequest(
Request.Method.GET,
URL_FEED,
"",
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
VolleyLog.d(TAG, "Response: " + response.toString());
if (response != null) {
parseJsonFeed(response);
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
}
});
// Adding request to volley request queue
AppController.getInstance().addToRequestQueue(jsonReq);
}
}
private void handleResult(User user) {
if (mListener != null) {
if (error != null) {
mListener.onError(error.getMessage());
return;
}
// Check if user image bitmap in cache
Cache cache = AppController.getInstance().getRequestQueue().getCache();
Cache.Entry entry = cache.get(user.getPhoto());
if (entry != null) {
// Decode byte array (entry.data) to bitmap
user.setBitmapPhoto(LocationAppUtils.decodeByteToBitmap(entry.data));
}
mListener.onUserInfoFetched(user);
}
}
@Before
public void setUp() throws Exception {
initMocks(this);
dispatcher = new SyncDispatcher(cache, mockNetwork);
Response response = Response.success(null, cacheEntry);
when(cache.get(anyString())).thenReturn(cacheEntry);
when(request.parseNetworkResponse(any(NetworkResponse.class))).thenReturn(response);
when(request.getCacheKey()).thenReturn("test-cache-key");
}
public static <T> T getCacheFile(InputBase input, Class<T> clazz) {
Cache cache = requestQueue.getCache();
Request<T> request =
new GsonRequest<T>(input.method(), input.toString(), "", clazz, null, null, null, null);
Cache.Entry entry = cache.get(request.getCacheKey());
if (entry != null) {
try {
String json = new String(entry.data, "UTF-8");
if (clazz == String.class) {
return (T) json;
}
// File类型写文件后返回file对象
else if (clazz == File.class) {
String fileName = TextUtil.md5(input.toString());
File outFile =
new File(DirectoryManager.getDirectory(DirectoryManager.DIR.DATA), fileName);
FileUtils.writeFile(outFile.getAbsolutePath(), entry.data);
return (T) outFile;
}
// 替换服务端可能返回的错误的data格式
json = json.replace("\"data\":[]", "\"data\":{}");
// 服务器返回errNo=0
if (json.matches(ERROR_NO_0_EXPRESSION)) {
T data;
JSONObject jsonObject = new JSONObject(json);
json = jsonObject.getString("data");
// 其他属于Gson请求，解析对象返回
Gson gson = GsonUtil.createBuilder();
data = (T) gson.fromJson(json, clazz);
return data;
}
// 服务器返回errNo != 0
else {
return null;
}
} catch (Exception e) {
return null;
}
}
return null;
}
@Override
public void run() {
if (DEBUG) {
VolleyLog.v("start new dispatcher");
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
// Make a blocking call to initialize the cache.
mCache.initialize();
while (true) {
try {
// Get a request from the cache triage queue, blocking until at least one is available.
final Request<?> request = mCacheQueue.take();
request.addMarker("cache-queue-take");
// If the request has been canceled, don't bother dispatching it.
if (request.isCanceled()) {
request.finish("cache-discard-canceled");
continue;
}
// Attempt to retrieve this item from cache.
Cache.Entry entry = mCache.get(request.getCacheKey());
if (entry == null) {
request.addMarker("cache-miss");
// Cache miss; send off to the network dispatcher.
mNetworkQueue.put(request);
continue;
}
// If it is completely expired, just send it to the network.
if (entry.isExpired()) {
request.addMarker("cache-hit-expired");
request.setCacheEntry(entry);
mNetworkQueue.put(request);
continue;
}
// We have a cache hit; parse its data for delivery back to the request.
request.addMarker("cache-hit");
Response<?> response =
request.parseNetworkResponse(
new NetworkResponse(entry.data, entry.responseHeaders)); // TODO
request.addMarker("cache-hit-parsed");
if (!entry.refreshNeeded()) {
// Completely unexpired cache hit. Just deliver the response.
mDelivery.postResponse(request, response);
} else {
// Soft-expired cache hit. We can deliver the cached response,
// but we need to also send the request to the network for
// refreshing.
request.addMarker("cache-hit-refresh-needed");
request.setCacheEntry(entry);
// Mark the response as intermediate.
response.intermediate = true;
// Post the intermediate response back to the user and have
// the delivery then forward the request along to the network.
mDelivery.postResponse(
request,
response,
new Runnable() {
@Override
public void run() {
try {
mNetworkQueue.put(request);
} catch (InterruptedException e) {
// Not much we can do about this.
}
}
});
}
} catch (InterruptedException e) {
// We may have been interrupted because it was time to quit.
if (mQuit) {
return;
}
continue;
}
}
}
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.propertyListView);
paButton = (Button) findViewById(R.id.paButton);
pdButton = (Button) findViewById(R.id.pdButton);
baButton = (Button) findViewById(R.id.baButton);
bdButton = (Button) findViewById(R.id.bdButton);
feedItems = new ArrayList<Property>();
listAdapter = new PropertyListAdapter(this, feedItems);
listView.setAdapter(listAdapter);
// Attach the listener to the AdapterView onCreate
listView.setOnScrollListener(
new EndlessScrollListener() {
@Override
public void onLoadMore(int page, int totalItemsCount) {
findProperties(feedOrder, page);
}
});
// We first check for cached request
Cache cache = AppController.getInstance().getRequestQueue().getCache();
Cache.Entry entry = cache.get(URL_FEED);
if (entry != null) {
// fetch the data from cache
try {
String data = new String(entry.data, "UTF-8");
try {
parseJsonFeed(new JSONObject(data));
} catch (JSONException e) {
e.printStackTrace();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
} else {
// First time you run the app there is no order and values are coming in default order.
findProperties(feedOrder, pageCount);
}
paButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
pageCount = 0;
feedOrder = "pa";
listView.setSelection(0);
findProperties(feedOrder, pageCount);
}
});
pdButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
pageCount = 0;
feedOrder = "pd";
listView.setSelection(0);
findProperties(feedOrder, pageCount);
}
});
baButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
pageCount = 0;
feedOrder = "ba";
listView.setSelection(0);
findProperties(feedOrder, pageCount);
}
});
bdButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
pageCount = 0;
feedOrder = "bd";
listView.setSelection(0);
findProperties(feedOrder, pageCount);
}
});
}
private void _webServiceGetServices() {
_urlWebService = "http://52.72.85.214/ws/ObtenerServicios";
progressBar.setVisibility(View.VISIBLE);
// buttonSeleccionarServicios.setVisibility(View.GONE);
Cache.Entry entry = cache.get(_urlWebService);
if (entry != null) {
try {
String data = new String(entry.data, "UTF-8");
Log.e("Cache", "" + data);
// handle data, like converting it to xml, json, bitmap etc.,
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
} else {
Log.e("Cache", "empty");
// Cached response doesn't exists. Make network call here
}
JsonObjectRequest jsonObjReq =
new JsonObjectRequest(
Request.Method.GET,
_urlWebService,
null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
try {
String message = response.getString("message");
Log.w("Mensaje : ", message);
JSONArray servicios = response.getJSONArray("result");
JSONObject object;
for (int i = 0; i <= servicios.length() - 1; i++) {
object = servicios.getJSONObject(i);
Servicio servicio = new Servicio();
servicio.setImagen(object.getString("imagenServicio"));
servicio.setId(object.getString("codigoServicio"));
servicio.setNombreServicio(object.getString("nombreServicio"));
servicio.setDescripcionServicio(object.getString("descripcionServicio"));
servicio.setValorServicio(object.getString("valorServicio"));
servicioList.add(servicio);
}
progressBar.setVisibility(View.GONE);
linearLayoutPrecioTotal.setVisibility(View.VISIBLE);
//
// buttonSeleccionarServicios.setVisibility(View.VISIBLE);
mAdapter.notifyDataSetChanged();
} catch (JSONException e) {
progressBar.setVisibility(View.GONE);
// buttonSeleccionarServicios.setVisibility(View.GONE);
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage(e.getMessage().toString())
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
if (error instanceof TimeoutError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage("Error de conexión, sin respuesta del servidor.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
} else if (error instanceof NoConnectionError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage("Por favor, conectese a la red.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
} else if (error instanceof AuthFailureError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage(
"Error de autentificación en la red, favor contacte a su proveedor de servicios.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
} else if (error instanceof ServerError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage("Error server, sin respuesta del servidor.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
} else if (error instanceof NetworkError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage("Error de red, contacte a su proveedor de servicios.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
} else if (error instanceof ParseError) {
AlertDialog.Builder builder =
new AlertDialog.Builder(SolicitarServicio.this.getActivity());
builder
.setMessage(
"Error de conversión Parser, contacte a su proveedor de servicios.")
.setPositiveButton(
"Aceptar",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// Intent intent = new Intent(Pago.this.getApplicationContext(),
// Registro.class);
// startActivity(intent);
// finish();
}
})
.show();
}
progressBar.setVisibility(View.GONE);
// buttonSeleccionarServicios.setVisibility(View.GONE);
}
}) {
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("Content-Type", "application/json; charset=utf-8");
headers.put("WWW-Authenticate", "xBasic realm=".concat(""));
headers.put("MyToken", sharedPreferences.getString("MyToken"));
return headers;
}
};
jsonObjReq.setRetryPolicy(
new DefaultRetryPolicy(10000, 3, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
ControllerSingleton.getInstance().addToReqQueue(jsonObjReq, "");
}
public static <T> void removeCacheFile(InputBase input, Class<T> clazz) {
Cache cache = requestQueue.getCache();
Request<T> request =
new GsonRequest<T>(input.method(), input.toString(), "", clazz, null, null, null, null);
cache.remove(request.getCacheKey());
}
@Override
public void run() {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
Request request;
while (true) {
try {
// Take a request from the queue.
request = mQueue.take();
} catch (InterruptedException e) {
// We may have been interrupted because it was time to quit.
if (mQuit) {
return;
}
continue;
}
try {
request.addMarker("network-queue-take");
// If the request was cancelled already, do not perform the
// network request.
if (request.isCanceled()) {
request.finish("network-discard-cancelled");
continue;
}
// Tag the request (if API >= 14)
if (Build.VERSION.SDK_INT >= 14) {
TrafficStats.setThreadStatsTag(request.getTrafficStatsTag());
}
// Perform the network request.
NetworkResponse networkResponse = mNetwork.performRequest(request);
request.addMarker("network-http-complete");
// If the server returned 304 AND we delivered a response already,
// we're done -- don't deliver a second identical response.
if (networkResponse.notModified && request.hasHadResponseDelivered()) {
request.finish("not-modified");
continue;
}
// Parse the response here on the worker thread.
Response<?> response = request.parseNetworkResponse(networkResponse);
request.addMarker("network-parse-complete");
// Write to cache if applicable.
// TODO: Only update cache metadata instead of entire record for 304s.
if (request.shouldCache() && response.cacheEntry != null) {
mCache.put(request.getCacheKey(), response.cacheEntry);
request.addMarker("network-cache-written");
}
// Post the response back.
request.markDelivered();
mDelivery.postResponse(request, response);
} catch (VolleyError volleyError) {
parseAndDeliverNetworkError(request, volleyError);
} catch (Exception e) {
VolleyLog.e(e, "Unhandled exception %s", e.toString());
mDelivery.postError(request, new VolleyError(e));
}
}
}