flink-dos-detection first commit

src/main/java/com/zdjizhi/utils/CommonConfigurations.java

@@ -0,0 +1,45 @@
+package com.zdjizhi.utils;
+
+import java.util.Properties;
+
+public final class CommonConfigurations {
+
+    private static Properties propService = new Properties();
+
+
+    public static String getStringProperty(String key) {
+
+            return propService.getProperty(key);
+
+
+    }
+
+    public static Integer getIntProperty(String key) {
+
+            return Integer.parseInt(propService.getProperty(key));
+
+    }
+
+    public static Double getDoubleProperty(String key) {
+
+        return Double.parseDouble(propService.getProperty(key));
+
+    }
+
+    public static Long getLongProperty(String key) {
+            return Long.parseLong(propService.getProperty(key));
+
+    }
+
+    public static Boolean getBooleanProperty(Integer type, String key) {
+            return "true".equals(propService.getProperty(key).toLowerCase().trim());
+    }
+
+    static {
+        try {
+            propService.load(CommonConfigurations.class.getClassLoader().getResourceAsStream("common.properties"));
+        } catch (Exception e) {
+            propService = null;
+        }
+    }
+}