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Example 6 with NoConnectionError

use of com.android.volley.NoConnectionError in project FastDev4Android by jiangqqlmj.

the class BasicNetwork method performRequest.

/**
     * 执行网络请求
     * @param request Request to process 需要处理的请求
     * @return
     * @throws VolleyError
     */
@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 = 0;
            NetworkResponse networkResponse = null;
            if (httpResponse != null) {
                statusCode = httpResponse.getStatusLine().getStatusCode();
            } else {
                throw new NoConnectionError(e);
            }
            VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl());
            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 {
                    // TODO: Only throw ServerError for 5xx status codes.
                    throw new ServerError(networkResponse);
                }
            } else {
                throw new NetworkError(networkResponse);
            }
        }
    }
}
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) ConnectTimeoutException(org.apache.http.conn.ConnectTimeoutException)

Example 7 with NoConnectionError

use of com.android.volley.NoConnectionError in project Douya by DreaminginCodeZH.

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<>();
            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) {
                Cache.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 (MalformedURLException e) {
            throw new RuntimeException("Bad URL " + request.getUrl(), e);
        } catch (SocketTimeoutException e) {
            attemptRetryOnException("socket-timeout", request, new TimeoutError());
        } catch (ConnectTimeoutException e) {
            attemptRetryOnException("connection-timeout", request, new TimeoutError());
        } catch (IOException e) {
            int statusCode;
            if (httpResponse != null) {
                statusCode = httpResponse.getStatusLine().getStatusCode();
            } else {
                // PATCH: Let RetryPolicy decide whether the request should be aborted.
                attemptRetryOnException("no-connection", request, new NoConnectionError(e));
                continue;
            }
            VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl());
            if (responseContents != null) {
                NetworkResponse 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 {
                    // PATCH: Let RetryPolicy decide whether the request should be aborted.
                    // TODO: Only throw ServerError for 5xx status codes.
                    attemptRetryOnException("server", request, new ServerError(networkResponse));
                }
            } else {
                // PATCH: Let RetryPolicy decide whether the request should be aborted.
                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) SocketTimeoutException(java.net.SocketTimeoutException) NetworkResponse(com.android.volley.NetworkResponse) Cache(com.android.volley.Cache) ConnectTimeoutException(org.apache.http.conn.ConnectTimeoutException)

Example 8 with NoConnectionError

use of com.android.volley.NoConnectionError in project saga-android by AnandChowdhary.

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 = new HashMap<String, String>();
        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) {
                return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, request.getCacheEntry().data, responseHeaders, true);
            }
            responseContents = entityToBytes(httpResponse.getEntity());
            // if the request is slow, log it.
            long requestLifetime = SystemClock.elapsedRealtime() - requestStart;
            logSlowRequests(requestLifetime, request, responseContents, statusLine);
            if (statusCode != HttpStatus.SC_OK && statusCode != HttpStatus.SC_NO_CONTENT) {
                throw new IOException();
            }
            return new NetworkResponse(statusCode, responseContents, responseHeaders, false);
        } 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 = 0;
            NetworkResponse networkResponse = null;
            if (httpResponse != null) {
                statusCode = httpResponse.getStatusLine().getStatusCode();
            } else {
                if (request.getCacheEntry() != null && request.getCacheEntry().data != null) {
                    return new NetworkResponse(HttpStatus.SC_NOT_MODIFIED, request.getCacheEntry().data, responseHeaders, true);
                } else {
                    throw new NoConnectionError(e);
                }
            }
            VolleyLog.e("Unexpected response code %d for %s", statusCode, request.getUrl());
            if (responseContents != null) {
                networkResponse = new NetworkResponse(statusCode, responseContents, responseHeaders, false);
                if (statusCode == HttpStatus.SC_UNAUTHORIZED || statusCode == HttpStatus.SC_FORBIDDEN) {
                    attemptRetryOnException("auth", request, new AuthFailureError(networkResponse));
                } else {
                    // TODO: Only throw ServerError for 5xx status codes.
                    throw new ServerError(networkResponse);
                }
            } else {
                throw new NetworkError(networkResponse);
            }
        }
    }
}
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) SocketTimeoutException(java.net.SocketTimeoutException) NetworkResponse(com.android.volley.NetworkResponse) ConnectTimeoutException(org.apache.http.conn.ConnectTimeoutException)

Aggregations

AuthFailureError (com.android.volley.AuthFailureError)8 NetworkError (com.android.volley.NetworkError)8 NetworkResponse (com.android.volley.NetworkResponse)8 NoConnectionError (com.android.volley.NoConnectionError)8 ServerError (com.android.volley.ServerError)8 TimeoutError (com.android.volley.TimeoutError)8 IOException (java.io.IOException)8 MalformedURLException (java.net.MalformedURLException)8 SocketTimeoutException (java.net.SocketTimeoutException)8 HashMap (java.util.HashMap)8 ConnectTimeoutException (org.apache.http.conn.ConnectTimeoutException)8 HttpResponse (org.apache.http.HttpResponse)7 StatusLine (org.apache.http.StatusLine)7 Entry (com.android.volley.Cache.Entry)4 Cache (com.android.volley.Cache)1 ClientError (com.android.volley.ClientError)1 RedirectError (com.android.volley.RedirectError)1 Response (com.squareup.okhttp.Response)1 Buffer (okio.Buffer)1 GzipSource (okio.GzipSource)1