Initial commit for site for forms

src/main/java/com/alttd/forms/properties/PropertiesLoader.java

@@ -0,0 +1,48 @@
+package com.alttd.forms.properties;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Optional;
+import java.util.Properties;
+
+public class PropertiesLoader {
+
+    private static final Logger logger = LoggerFactory.getLogger(PropertiesLoader.class);
+
+    public static Optional<Properties> loadProperties(String fileName) {
+        Properties prop = new Properties();
+        Optional<File> currentJarPath = JarPath.getCurrentJarDir();
+        if (currentJarPath.isEmpty()) {
+            logger.error("Unable to find jar path to load properties (" + fileName + ")");
+            return Optional.empty();
+        }
+
+        File file = new File(currentJarPath.get(), fileName);
+        if (!file.exists()) {
+            logger.warn("Tried to load properties file that doesnt exists (" + fileName + ")");
+            return Optional.empty();
+        }
+
+        if (!file.canRead()) {
+            logger.error("Unable to read properties file (" + fileName + ")");
+            return Optional.empty();
+        }
+
+        if (!file.isFile()) {
+            logger.error("Invalid properties file (" + fileName + ")");
+            return Optional.empty();
+        }
+
+        try (FileInputStream input = new FileInputStream(file)) {
+            prop.load(input);
+            return Optional.of(prop);
+        } catch (IOException ex) {
+            logger.error("Failed to load properties due to an unexpected error", ex);
+        }
+        return Optional.empty();
+    }
+}