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app/src/main/java/com/gh/common/util/TokenUtils.java

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+package com.gh.common.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+
+import com.gh.common.constant.Config;
+
+public class TokenUtils {
+
+	// 获取用户token
+	public static synchronized String getToken(Context context) {
+		SharedPreferences sp = context.getSharedPreferences(Config.PREFERENCE,
+				Context.MODE_PRIVATE);
+		String token = sp.getString("token", null);
+		if (token != null) {
+			long expire = sp.getLong("token_expire", 0) * 1000 - 10 * 1000;
+			long time = System.currentTimeMillis();
+			// 判断token是否过期
+			if (time < expire) {
+				return token;
+			}
+		}
+
+//		Map<String, String> params = DeviceUtils.getDeviceParams(context);
+		Map<String, String> params = new HashMap<String, String>();
+		String url = Config.HOST + "v1d45/token/visit";
+		
+		//判断是否已登录
+		if (sp.getBoolean("isLogin", false)) {
+			// 已登录，获取用户名和密码自动登录
+			String username = sp.getString("username", null);
+			String password = sp.getString("password", null);
+			if (username == null || password == null) {
+				url = Config.HOST + "v2/token/user?time=" + System.currentTimeMillis();
+				params.put("username", username);
+				try {
+					String s = RSEUtils.encryptByPublic(password + username + System.currentTimeMillis() / 1000);
+					Utils.log("加密 = " + s);
+					params.put("password", s);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			} else {
+				url = Config.HOST + "v2/token/mobile?time=" + System.currentTimeMillis();
+				String mobile = sp.getString("mobile", null);
+				params.put("mobile_number", mobile);
+			}
+		}
+
+		try {
+			JSONObject body = new JSONObject(params);
+			HttpURLConnection connection = (HttpURLConnection) new URL(url)
+					.openConnection();
+			connection.setDoInput(true);
+			connection.setDoOutput(true);
+			connection.setConnectTimeout(5000);
+			connection.setRequestMethod("POST");
+			
+			connection.addRequestProperty("Content-Type", "application/json; charset=utf-8");
+			connection.addRequestProperty("Device", DeviceUtils.getDeviceHeader(context));
+
+			connection.connect();
+
+			OutputStreamWriter outputStream = new OutputStreamWriter(
+					connection.getOutputStream(), "utf-8");
+			outputStream.write(body.toString());
+			outputStream.flush();
+			outputStream.close();
+			
+			if (connection.getResponseCode() == 200) {
+				BufferedReader reader = new BufferedReader(
+						new InputStreamReader(connection.getInputStream()));
+				StringBuilder builder = new StringBuilder();
+				String line;
+				while ((line = reader.readLine()) != null) {
+					builder.append(line);
+				}
+				reader.close();
+				try {
+					JSONObject jsonObject = new JSONObject(builder.toString());
+					Editor editor = sp.edit();
+					editor.putString("token", jsonObject.getString("token"));
+					editor.putLong("token_expire", jsonObject.getLong("expire"));
+					editor.apply();
+					return jsonObject.getString("token");
+				} catch (JSONException e) {
+					e.printStackTrace();
+				}
+			}
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		
+		return null;
+	}
+
+}