Experimenting with reverse engineered TP-link API

[pingpong.git] / Code / Projects / TplinkPlugClient / src / main / java / edu / uci / iotproject / tplinkplug / Configuration.java

diff --git a/Code/Projects/TplinkPlugClient/src/main/java/edu/uci/iotproject/tplinkplug/Configuration.java b/Code/Projects/TplinkPlugClient/src/main/java/edu/uci/iotproject/tplinkplug/Configuration.java
new file mode 100644 (file)
index 0000000..ba9baa2
--- /dev/null
+++ b/Code/Projects/TplinkPlugClient/src/main/java/edu/uci/iotproject/tplinkplug/Configuration.java
@@ -0,0 +1,69 @@
+package edu.uci.iotproject.tplinkplug;
+
+import java.io.IOException;
+import java.util.MissingResourceException;
+import java.util.Objects;
+import java.util.Properties;
+
+/**
+ * TODO add class documentation.
+ *
+ * @author Janus Varmarken
+ */
+public class Configuration {
+
+    /**
+     * Name of the file in the resources folder that contains the configuration.
+     */
+    private static final String RESOURCE_FILENAME = "/cfg/config.properties";
+
+    private static final Properties PROPERTIES;
+
+    // ==== Begin keys used in properties file ====
+    private static final String APP_SERVER_URL_KEY = "appServerUrl";
+    private static final String LOGIN_TOKEN_KEY = "token";
+    private static final String DEVICE_ID_KEY = "deviceId";
+    // ===== End keys used in properties file =====
+
+    // ==== Begin cached values of PROPERTIES contents ====
+    private static final String APP_SERVER_URL;
+    private static final String LOGIN_TOKEN;
+    private static final String DEVICE_ID;
+    // ===== End cached values of PROPERTIES contents =====
+
+    static {
+        PROPERTIES = new Properties();
+        try {
+            PROPERTIES.load(Configuration.class.getResourceAsStream(RESOURCE_FILENAME));
+            APP_SERVER_URL = Objects.requireNonNull(PROPERTIES.getProperty(APP_SERVER_URL_KEY, null),
+                    String.format("No value for key '%s' in properties file '%s'", APP_SERVER_URL_KEY, RESOURCE_FILENAME));
+            LOGIN_TOKEN = Objects.requireNonNull(PROPERTIES.getProperty(LOGIN_TOKEN_KEY, null),
+                    String.format("No value for key '%s' in properties file '%s'", LOGIN_TOKEN_KEY, RESOURCE_FILENAME));
+            DEVICE_ID = Objects.requireNonNull(PROPERTIES.getProperty(DEVICE_ID_KEY, null),
+                    String.format("No value for key '%s' in properties file '%s'", DEVICE_ID_KEY, RESOURCE_FILENAME));
+        } catch (IOException e) {
+            e.printStackTrace();
+            throw new MissingResourceException(
+                    String.format("Configuration file not found in resources. Missing file: '%s'", RESOURCE_FILENAME),
+                    Configuration.class.getName(),
+                    RESOURCE_FILENAME
+            );
+        }
+    }
+
+    private Configuration() {
+
+    }
+
+    public static String getAppServerUrl() {
+        return APP_SERVER_URL;
+    }
+
+    public static String getLoginToken() {
+        return LOGIN_TOKEN;
+    }
+
+    public static final String getDeviceId() {
+        return DEVICE_ID;
+    }
+}