add simpleloginmanager

src/org/fox/ttrss/util/SimpleLoginManager.java

@@ -0,0 +1,105 @@
+package org.fox.ttrss.util;
+
+import java.util.HashMap;
+
+import org.fox.ttrss.ApiRequest;
+
+import android.content.Context;
+import android.util.Log;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+public abstract class SimpleLoginManager {
+	private final String TAG = this.getClass().getSimpleName();
+	
+	protected class LoginRequest extends ApiRequest {
+		private int m_requestId;
+		protected String m_sessionId;
+		protected int m_apiLevel;
+		protected Context m_context;
+		
+		public LoginRequest(Context context, int requestId) {
+			super(context);
+			m_context = context;
+			m_requestId = requestId;
+		}
+
+		protected void onPostExecute(JsonElement result) {
+			Log.d(TAG, "onPostExecute");
+			
+			if (result != null) {
+				try {
+					JsonObject content = result.getAsJsonObject();
+					if (content != null) {
+						m_sessionId = content.get("session_id").getAsString();
+
+						Log.d(TAG, "Authenticated!");
+						
+						ApiRequest req = new ApiRequest(m_context) {
+							protected void onPostExecute(JsonElement result) {
+								m_apiLevel = 0;
+
+								if (result != null) {
+									try {
+										m_apiLevel = result.getAsJsonObject()
+													.get("level").getAsInt();
+									} catch (Exception e) {
+										e.printStackTrace();
+									}
+								}
+
+								Log.d(TAG, "Received API level: " + m_apiLevel);
+
+								onLoginSuccess(m_requestId, m_sessionId, m_apiLevel);
+							}
+						};
+
+						@SuppressWarnings("serial")
+						HashMap<String, String> map = new HashMap<String, String>() {
+							{
+								put("sid", m_sessionId);
+								put("op", "getApiLevel");
+							}
+						};
+
+						req.execute(map);
+
+						return;
+					}
+
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+
+			m_sessionId = null;
+
+			onLoginFailed(m_requestId);
+		}
+
+	}
+	
+	public void logIn(Context context, int requestId, final String login, final String password) {
+		LoginRequest ar = new LoginRequest(context, requestId); 
+
+		HashMap<String, String> map = new HashMap<String, String>() {
+			{
+				put("op", "login");
+				put("user", login.trim());
+				put("password", password.trim());
+			}
+		};
+
+		onLoggingIn(requestId);
+		
+		ar.execute(map);
+	}
+	
+	protected abstract void onLoggingIn(int requestId);
+
+	protected abstract void onLoginSuccess(int requestId, String sessionId, int apiLevel);
+	
+	protected abstract void onLoginFailed(int requestId);
+	
+}