257 lines
7.8 KiB
Java
257 lines
7.8 KiB
Java
package org.fox.ttrss;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.HashMap;
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import org.apache.http.HttpHost;
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import org.apache.http.HttpResponse;
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import org.apache.http.auth.AuthScope;
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import org.apache.http.auth.UsernamePasswordCredentials;
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import org.apache.http.client.CredentialsProvider;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.protocol.ClientContext;
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import org.apache.http.conn.scheme.Scheme;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.BasicCredentialsProvider;
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import org.apache.http.protocol.BasicHttpContext;
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import org.apache.http.protocol.HttpContext;
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import org.fox.ttrss.util.EasySSLSocketFactory;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.net.http.AndroidHttpClient;
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import android.os.AsyncTask;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import com.google.gson.Gson;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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public class ApiRequest extends AsyncTask<HashMap<String,String>, Integer, JsonElement> {
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private final String TAG = this.getClass().getSimpleName();
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public enum ApiError { NO_ERROR, HTTP_UNAUTHORIZED, HTTP_FORBIDDEN, HTTP_NOT_FOUND,
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HTTP_SERVER_ERROR, HTTP_OTHER_ERROR, SSL_REJECTED, PARSE_ERROR, IO_ERROR, OTHER_ERROR, API_DISABLED, API_UNKNOWN, LOGIN_FAILED, INVALID_URL, INCORRECT_USAGE };
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public static final int API_STATUS_OK = 0;
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public static final int API_STATUS_ERR = 1;
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private String m_api;
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private boolean m_trustAny = false;
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private boolean m_transportDebugging = false;
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protected int m_httpStatusCode = 0;
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protected int m_apiStatusCode = 0;
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protected Context m_context;
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private SharedPreferences m_prefs;
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protected ApiError m_lastError;
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public ApiRequest(Context context) {
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m_context = context;
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m_prefs = PreferenceManager.getDefaultSharedPreferences(m_context);
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m_api = m_prefs.getString("ttrss_url", null).trim();
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m_trustAny = m_prefs.getBoolean("ssl_trust_any", false);
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m_transportDebugging = m_prefs.getBoolean("transport_debugging", false);
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m_lastError = ApiError.NO_ERROR;
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}
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protected int getErrorMessage() {
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switch (m_lastError) {
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case NO_ERROR:
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return R.string.error_unknown;
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case HTTP_UNAUTHORIZED:
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return R.string.error_http_unauthorized;
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case HTTP_FORBIDDEN:
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return R.string.error_http_forbidden;
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case HTTP_NOT_FOUND:
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return R.string.error_http_not_found;
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case HTTP_SERVER_ERROR:
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return R.string.error_http_server_error;
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case HTTP_OTHER_ERROR:
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return R.string.error_http_other_error;
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case SSL_REJECTED:
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return R.string.error_ssl_rejected;
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case PARSE_ERROR:
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return R.string.error_parse_error;
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case IO_ERROR:
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return R.string.error_io_error;
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case OTHER_ERROR:
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return R.string.error_other_error;
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case API_DISABLED:
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return R.string.error_api_disabled;
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case API_UNKNOWN:
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return R.string.error_api_unknown;
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case LOGIN_FAILED:
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return R.string.error_login_failed;
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case INVALID_URL:
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return R.string.error_invalid_api_url;
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case INCORRECT_USAGE:
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return R.string.error_api_incorrect_usage;
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default:
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Log.d(TAG, "getErrorMessage: unknown error code=" + m_lastError);
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return R.string.error_unknown;
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}
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}
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@Override
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protected JsonElement doInBackground(HashMap<String, String>... params) {
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Gson gson = new Gson();
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String requestStr = gson.toJson(new HashMap<String,String>(params[0]));
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if (m_transportDebugging) Log.d(TAG, ">>> (" + requestStr + ") " + m_api);
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AndroidHttpClient client = AndroidHttpClient.newInstance("Tiny Tiny RSS");
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if (m_trustAny) {
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client.getConnectionManager().getSchemeRegistry().register(new Scheme("https", new EasySSLSocketFactory(), 443));
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}
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try {
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HttpPost httpPost;
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try {
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httpPost = new HttpPost(m_api + "/api/");
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} catch (IllegalArgumentException e) {
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m_lastError = ApiError.INVALID_URL;
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e.printStackTrace();
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client.close();
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return null;
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} catch (Exception e) {
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m_lastError = ApiError.OTHER_ERROR;
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e.printStackTrace();
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client.close();
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return null;
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}
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HttpContext context = null;
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String httpLogin = m_prefs.getString("http_login", "").trim();
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String httpPassword = m_prefs.getString("http_password", "").trim();
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if (httpLogin.length() > 0) {
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if (m_transportDebugging) Log.d(TAG, "Using HTTP Basic authentication.");
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URL targetUrl;
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try {
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targetUrl = new URL(m_api);
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} catch (MalformedURLException e) {
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m_lastError = ApiError.INVALID_URL;
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e.printStackTrace();
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client.close();
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return null;
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}
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HttpHost targetHost = new HttpHost(targetUrl.getHost(), targetUrl.getPort(), targetUrl.getProtocol());
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CredentialsProvider cp = new BasicCredentialsProvider();
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context = new BasicHttpContext();
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cp.setCredentials(
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new AuthScope(targetHost.getHostName(), targetHost.getPort()),
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new UsernamePasswordCredentials(httpLogin, httpPassword));
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context.setAttribute(ClientContext.CREDS_PROVIDER, cp);
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}
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httpPost.setEntity(new StringEntity(requestStr, "utf-8"));
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HttpResponse execute = client.execute(httpPost, context);
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m_httpStatusCode = execute.getStatusLine().getStatusCode();
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switch (m_httpStatusCode) {
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case 200:
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InputStream content = execute.getEntity().getContent();
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BufferedReader buffer = new BufferedReader(
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new InputStreamReader(content), 8192);
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String s = "";
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String response = "";
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while ((s = buffer.readLine()) != null) {
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response += s;
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}
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if (m_transportDebugging) Log.d(TAG, "<<< " + response);
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JsonParser parser = new JsonParser();
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JsonElement result = parser.parse(response);
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JsonObject resultObj = result.getAsJsonObject();
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m_apiStatusCode = resultObj.get("status").getAsInt();
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client.close();
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switch (m_apiStatusCode) {
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case API_STATUS_OK:
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return result.getAsJsonObject().get("content");
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case API_STATUS_ERR:
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JsonObject contentObj = resultObj.get("content").getAsJsonObject();
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String error = contentObj.get("error").getAsString();
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if (error.equals("LOGIN_ERROR")) {
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m_lastError = ApiError.LOGIN_FAILED;
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} else if (error.equals("API_DISABLED")) {
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m_lastError = ApiError.API_DISABLED;
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} else if (error.equals("NOT_LOGGED_IN")) {
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m_lastError = ApiError.LOGIN_FAILED;
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} else if (error.equals("INCORRECT_USAGE")) {
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m_lastError = ApiError.INCORRECT_USAGE;
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} else {
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Log.d(TAG, "Unknown API error: " + error);
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m_lastError = ApiError.API_UNKNOWN;
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}
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}
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return null;
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case 401:
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m_lastError = ApiError.HTTP_UNAUTHORIZED;
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break;
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case 403:
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m_lastError = ApiError.HTTP_FORBIDDEN;
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break;
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case 404:
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m_lastError = ApiError.HTTP_NOT_FOUND;
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break;
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case 500:
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m_lastError = ApiError.HTTP_SERVER_ERROR;
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break;
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default:
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m_lastError = ApiError.HTTP_OTHER_ERROR;
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break;
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}
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client.close();
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return null;
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} catch (javax.net.ssl.SSLPeerUnverifiedException e) {
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m_lastError = ApiError.SSL_REJECTED;
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e.printStackTrace();
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} catch (IOException e) {
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m_lastError = ApiError.IO_ERROR;
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e.printStackTrace();
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} catch (com.google.gson.JsonSyntaxException e) {
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m_lastError = ApiError.PARSE_ERROR;
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e.printStackTrace();
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} catch (Exception e) {
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m_lastError = ApiError.OTHER_ERROR;
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e.printStackTrace();
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}
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client.close();
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return null;
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}
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}
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