Java HttpRequest.HttpRequestException方法代碼示例

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
@Override
public RequestResult uploadMeasurements(String content) {
    Log.d("uploadMeasurements(): Sending post request");
    try {
        HttpRequest request = HttpRequest.post(url)
                .followRedirects(false)
                .connectTimeout(CONN_TIMEOUT)
                .readTimeout(READ_TIMEOUT);
        // add API key
        request.part("key", apiKey);
        // add app name
        request.part("appId", appId);
        // add file data as file
        request.part("datafile", "TowerCollector_measurements_" + System.currentTimeMillis() + ".csv", "text/csv", content);
        return handleResponse(request.code(), request.body());
    } catch (HttpRequest.HttpRequestException ex) {
        Log.d("uploadMeasurements(): Errors encountered", ex);
        reportExceptionWithSuppress(ex);
        return RequestResult.Failure;
    }
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
private static String makeRequest(OIDCAccountManager accountManager, String method, String url, String body, Account account,
                                  boolean doRetry, AccountManagerCallback<Bundle> callback)
        throws IOException, UserNotAuthenticatedWrapperException, AuthenticatorException, OperationCanceledException {


    String accessToken = accountManager.getAccessToken(account, callback);
    String cookies = accountManager.getCookies(account, callback);

    // Prepare an API request using the accessToken
    HttpRequest request = new HttpRequest(url, method);
    request = prepareApiRequest(request, accessToken, cookies);
    if (body != "") {
        request.send(body);
    }

    if (request.ok()) {
        return request.body();
    } else {
        int code = request.code();

        String requestContent = "empty body";
        try {
            requestContent = request.body();
        } catch (HttpRequest.HttpRequestException e) {
            //Nothing to do, the response has no body or couldn't fetch it
            e.printStackTrace();
        }

        if (doRetry && (code == HTTP_UNAUTHORIZED || code == HTTP_FORBIDDEN ||
                (code == HTTP_BAD_REQUEST && (requestContent.contains("invalid_grant") || requestContent.contains("Access Token not valid"))))) {
            // We're being denied access on the first try, let's renew the token and retry
            accountManager.invalidateAuthTokens(account);

            return makeRequest(accountManager, method, url, body, account, false, callback);
        } else {
            // An unrecoverable error or the renewed token didn't work either
            throw new IOException(request.code() + " " + request.message() + " " + requestContent);
        }
    }
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
public String fetchUpdates() {
    Log.d("fetchUpdates(): Sending get request");
    try {
        HttpRequest request = HttpRequest.get(url)
                .followRedirects(false)
                .connectTimeout(CONN_TIMEOUT)
                .readTimeout(READ_TIMEOUT);
        return handleResponse(request.code(), request.body());
    } catch (HttpRequest.HttpRequestException ex) {
        Log.d("fetchUpdates(): Errors encountered", ex);
        reportExceptionWithSuppress(ex);
        return null;
    }
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
protected void reportExceptionWithSuppress(HttpRequest.HttpRequestException ex) {
    Throwable originalException = ex.getCause();
    // suppress known exceptions
    if (originalException instanceof UnknownHostException
            || originalException instanceof SocketTimeoutException
            || originalException instanceof SocketException
            || originalException instanceof EOFException) {
        return;
    }
    reportException(ex);
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
private static String makeRequest(OIDCAccountManager accountManager, String method, String url, Account account,
                                  boolean doRetry, AccountManagerCallback<Bundle> callback)
        throws IOException, UserNotAuthenticatedWrapperException, AuthenticatorException, OperationCanceledException {


    String accessToken = accountManager.getAccessToken(account, callback);

    // Prepare an API request using the accessToken
    HttpRequest request = new HttpRequest(url, method);
    request = prepareApiRequest(request, accessToken);

    if (request.ok()) {
        return request.body();
    } else {
        int code = request.code();

        String requestContent = "empty body";
        try {
            requestContent = request.body();
        } catch (HttpRequest.HttpRequestException e) {
            //Nothing to do, the response has no body or couldn't fetch it
            e.printStackTrace();
        }

        if (doRetry && (code == HTTP_UNAUTHORIZED || code == HTTP_FORBIDDEN ||
                (code == HTTP_BAD_REQUEST && (requestContent.contains("invalid_grant") || requestContent.contains("Access Token not valid"))))) {
            // We're being denied access on the first try, let's renew the token and retry
            accountManager.invalidateAuthTokens(account);

            return makeRequest(accountManager, method, url, account, false, callback);
        } else {
            // An unrecoverable error or the renewed token didn't work either
            throw new IOException(request.code() + " " + request.message() + " " + requestContent);
        }
    }
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
public static void sendBody(final Request request, final HttpRequest httpRequest) throws IOException {
    final String requestMethod = request.getMethod();
    final TypedOutput requestBody = request.getBody();

    // Only POST and PUT has body as far as I know
    if ((METHOD_POST.equals(requestMethod)) || METHOD_PUT.equals(requestMethod)) {

        if (requestBody != null) {

            // Content-Type
            httpRequest.contentType(requestBody.mimeType());

            // Payload
            ByteArrayOutputStream outputBytes = new ByteArrayOutputStream();
            requestBody.writeTo(outputBytes);
            byte[] dataBytes = outputBytes.toByteArray();

            try {
                httpRequest.send(dataBytes);
            } catch (HttpRequest.HttpRequestException hre) {
                // Throw original IOException since Retrofit handles this
                throw hre.getCause();
            }
        }

    }
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
@Override
public boolean exception(Exception e, Context ctx, Object source) throws CocoException {
    if (e instanceof CocoException || e instanceof HttpRequest.HttpRequestException)
        e.printStackTrace();
    else
        Log.e(e);
    return false;
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
@Override
public void error(Exception e, Context ctx, Object source) {
    if (e instanceof CocoException || e instanceof HttpRequest.HttpRequestException)
        e.printStackTrace();
    else
        Log.e(e);
}
 

import com.github.kevinsawicki.http.HttpRequest; //導入方法依賴的package包/類
/**
 * Route a server from remote
 */
void routeServer(){

    Map<String, Object> params = Maps.newHashMap();
    params.put("appName", client.getAppName());
    params.put("clientPid", SysUtil.pid());

    String[] serverList = client.getServers().split(",");

    for (String server : serverList){
        try {
            // request route server
            ServerRouteResp resp = doGet(server, ClientUris.SERVER_ROUTE, null, params, ServerRouteResp.class);
            if(resp == null){
                log.warn("server({}) route is null", server);
                continue;
            }

            String routedServer = resp.getServer();
            String clientId = resp.getClientId();


            // register to the routed server
            params.put("clientId", clientId);
            params.put("appKey", client.getAppKey());
            Boolean registerResp = doGet(routedServer, ClientUris.REGISTER, null, params, Boolean.class);
            if (registerResp == Boolean.FALSE){
                log.warn("failed to register server({})", routedServer);
                continue;
            }

            // set current server
            currentServer = routedServer;

            // set headers for next requests
            headers.put(Constants.CLIENT_ID_HEADER, clientId);
            headers.put(Constants.APP_KEY_HEADER, client.getAppKey());
            headers.put(Constants.CLIENT_VERSION_HEADER, CLIENT_VERSION);
            headers.put(Constants.PULLING_TIMEOUT_HEADER, String.valueOf(client.getPullingTimeout()));

            log.info("route successfully, current server is {}", currentServer);
            // route successfully
            return;
        } catch (HttpRequest.HttpRequestException e){
            log.warn("server({}) is unavailable, trying next server", server);
        }
    }
    throw new Server503Exception("all servers are unavailable: " + Arrays.toString(serverList));
}