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Example 1 with ClientError

use of com.android.volley.ClientError in project TaEmCasa by Dionen.

the class BasicNetwork method performRequest.

@Override
public NetworkResponse performRequest(Request<?> request) throws VolleyError {
    long requestStart = SystemClock.elapsedRealtime();
    while (true) {
        HttpResponse httpResponse = null;
        byte[] responseContents = null;
        Map<String, String> responseHeaders = Collections.emptyMap();
        try {
            // Gather headers.
            Map<String, String> headers = new HashMap<String, String>();
            addCacheHeaders(headers, request.getCacheEntry());
            httpResponse = mHttpStack.performRequest(request, headers);
            StatusLine statusLine = httpResponse.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            responseHeaders = convertHeaders(httpResponse.getAllHeaders());
            // Handle cache validation.
            if (statusCode == HttpStatus.SC_NOT_MODIFIED) {
                Entry entry = request.getCacheEntry();
                if (entry == null) {
                    return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, null, responseHeaders, true, SystemClock.elapsedRealtime() - requestStart);
                }
                // A HTTP 304 response does not have all header fields. We
                // have to use the header fields from the cache entry plus
                // the new ones from the response.
                // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5
                entry.responseHeaders.putAll(responseHeaders);
                return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, entry.data, entry.responseHeaders, true, SystemClock.elapsedRealtime() - requestStart);
            }
            // Some responses such as 204s do not have content.  We must check.
            if (httpResponse.getEntity() != null) {
                responseContents = entityToBytes(httpResponse.getEntity());
            } else {
                // Add 0 byte response as a way of honestly representing a
                // no-content request.
                responseContents = new byte[0];
            }
            // if the request is slow, log it.
            long requestLifetime = SystemClock.elapsedRealtime() - requestStart;
            logSlowRequests(requestLifetime, request, responseContents, statusLine);
            if (statusCode < 200 || statusCode > 299) {
                throw new IOException();
            }
            return new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart);
        } catch (SocketTimeoutException e) {
            attemptRetryOnException("socket", request, new TimeoutError());
        } catch (ConnectTimeoutException e) {
            attemptRetryOnException("connection", request, new TimeoutError());
        } catch (MalformedURLException e) {
            throw new RuntimeException("Bad URL " + request.getUrl(), e);
        } catch (IOException e) {
            int statusCode;
            if (httpResponse != null) {
                statusCode = httpResponse.getStatusLine().getStatusCode();
            } else {
                throw new NoConnectionError(e);
            }
            VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl());
            NetworkResponse networkResponse;
            if (responseContents != null) {
                networkResponse = new NetworkResponse(statusCode, responseContents, responseHeaders, false, SystemClock.elapsedRealtime() - requestStart);
                if (statusCode == HttpStatus.SC_UNAUTHORIZED || statusCode == HttpStatus.SC_FORBIDDEN) {
                    attemptRetryOnException("auth", request, new AuthFailureError(networkResponse));
                } else if (statusCode >= 400 && statusCode <= 499) {
                    // Don't retry other client errors.
                    throw new ClientError(networkResponse);
                } else if (statusCode >= 500 && statusCode <= 599) {
                    if (request.shouldRetryServerErrors()) {
                        attemptRetryOnException("server", request, new ServerError(networkResponse));
                    } else {
                        throw new ServerError(networkResponse);
                    }
                } else {
                    // 3xx? No reason to retry.
                    throw new ServerError(networkResponse);
                }
            } else {
                attemptRetryOnException("network", request, new NetworkError());
            }
        }
    }
}
Also used : MalformedURLException(java.net.MalformedURLException) HashMap(java.util.HashMap) ServerError(com.android.volley.ServerError) HttpResponse(org.apache.http.HttpResponse) AuthFailureError(com.android.volley.AuthFailureError) NetworkError(com.android.volley.NetworkError) NoConnectionError(com.android.volley.NoConnectionError) IOException(java.io.IOException) TimeoutError(com.android.volley.TimeoutError) StatusLine(org.apache.http.StatusLine) Entry(com.android.volley.Cache.Entry) SocketTimeoutException(java.net.SocketTimeoutException) NetworkResponse(com.android.volley.NetworkResponse) ClientError(com.android.volley.ClientError) ConnectTimeoutException(org.apache.http.conn.ConnectTimeoutException)

Aggregations

AuthFailureError (com.android.volley.AuthFailureError)1 Entry (com.android.volley.Cache.Entry)1 ClientError (com.android.volley.ClientError)1 NetworkError (com.android.volley.NetworkError)1 NetworkResponse (com.android.volley.NetworkResponse)1 NoConnectionError (com.android.volley.NoConnectionError)1 ServerError (com.android.volley.ServerError)1 TimeoutError (com.android.volley.TimeoutError)1 IOException (java.io.IOException)1 MalformedURLException (java.net.MalformedURLException)1 SocketTimeoutException (java.net.SocketTimeoutException)1 HashMap (java.util.HashMap)1 HttpResponse (org.apache.http.HttpResponse)1 StatusLine (org.apache.http.StatusLine)1 ConnectTimeoutException (org.apache.http.conn.ConnectTimeoutException)1