Examples with ServerError com.android.volley.ServerError used on opensource projects

Example 1 with ServerError

use of com.android.volley.ServerError in project iosched by google.

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() == null ? null : request.getCacheEntry().data, responseHeaders, true);
            }
            // 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);
        } 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);
                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);
            }
        }
    }
}

Example 2 with ServerError

use of com.android.volley.ServerError in project iosched by google.

the class BasicNetwork method entityToBytes.

/**
 * Reads the contents of HttpEntity into a byte[].
 */
private byte[] entityToBytes(HttpEntity entity) throws IOException, ServerError {
    PoolingByteArrayOutputStream bytes = new PoolingByteArrayOutputStream(mPool, (int) entity.getContentLength());
    byte[] buffer = null;
    try {
        InputStream in = entity.getContent();
        if (in == null) {
            throw new ServerError();
        }
        buffer = mPool.getBuf(1024);
        int count;
        while ((count = in.read(buffer)) != -1) {
            bytes.write(buffer, 0, count);
        }
        return bytes.toByteArray();
    } finally {
        try {
            // Close the InputStream and release the resources by "consuming the content".
            entity.consumeContent();
        } catch (IOException e) {
            // This can happen if there was an exception above that left the entity in
            // an invalid state.
            VolleyLog.v("Error occured when calling consumingContent");
        }
        mPool.returnBuf(buffer);
        bytes.close();
    }
}

Example 3 with ServerError

use of com.android.volley.ServerError in project AndroidLife by CaMnter.

the class BasicNetwork method entityToBytes.

/**
 * Reads the contents of HttpEntity into a byte[].
 */
/*
     * 执行 Apache HttpEntity -> byte[] 的转化
     */
private byte[] entityToBytes(HttpEntity entity) throws IOException, ServerError {
    /*
         * 实例化一个 PoolingByteArrayOutputStream 对象
         *
         * PoolingByteArrayOutputStream 内设置了一个 ByteArrayPool，会将一些 实例化好的 byte[] 进行缓存
         * 然后回收利用，提供读取流数据
         *
         * 将当前 BasicNetwork 的 ByteArrayPool 提供 给 PoolingByteArrayOutputStream
         * 还需要将 传入一个 需要 output 的数据长度 给 PoolingByteArrayOutputStream，这里用
         * (int) entity.getContentLength() 进行获取
         */
    PoolingByteArrayOutputStream bytes = new PoolingByteArrayOutputStream(mPool, (int) entity.getContentLength());
    byte[] buffer = null;
    try {
        // 获取 Apache HttpEntity 的 content 数据流
        InputStream in = entity.getContent();
        if (in == null) {
            throw new ServerError();
        }
        // 获取一个 byte[].length = 1024 的 byte[]
        buffer = mPool.getBuf(1024);
        int count;
        // 开始 边读边写
        while ((count = in.read(buffer)) != -1) {
            // 写入到 PoolingByteArrayOutputStream 中
            bytes.write(buffer, 0, count);
        }
        // 从 PoolingByteArrayOutputStream 中取出 byte[] 数据
        return bytes.toByteArray();
    } finally {
        try {
            // Close the InputStream and release the resources by "consuming the content".
            // 调用 Apache API 关闭 Apache HttpEntity 的 content 数据流
            entity.consumeContent();
        } catch (IOException e) {
            // This can happen if there was an exception above that left the entity in
            // an invalid state.
            VolleyLog.v("Error occured when calling consumingContent");
        }
        // 将使用的 byte[] 放入 ByteArrayPool 缓存回收
        mPool.returnBuf(buffer);
        // 关闭 PoolingByteArrayOutputStream 流
        bytes.close();
    }
}

Example 4 with ServerError

use of com.android.volley.ServerError in project Saiy-PS by brandall76.

the class CreateIDProfile method verboseError.

/**
 * Used for debugging only to view verbose error information
 *
 * @param error the {@link VolleyError}
 */
private void verboseError(@NonNull final VolleyError error) {
    final NetworkResponse response = error.networkResponse;
    if (response != null && error instanceof ServerError) {
        try {
            final String result = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
            MyLog.i(CLS_NAME, "result: " + result);
        } catch (final UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}

Example 5 with ServerError

use of com.android.volley.ServerError in project Saiy-PS by brandall76.

the class FetchIDOperation method verboseError.

/**
 * Used for debugging only to view verbose error information
 *
 * @param error the {@link VolleyError}
 */
private void verboseError(@NonNull final VolleyError error) {
    final NetworkResponse response = error.networkResponse;
    if (response != null && error instanceof ServerError) {
        try {
            final String result = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
            MyLog.i(CLS_NAME, "result: " + result);
        } catch (final UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}