Added crude writting of database config

2026-03-25 16:54:05 +13:00
parent 355eeb1249
commit 0ace682674
1 changed files with 125 additions and 0 deletions
--- a/src/main/ConfigManager.java
+++ b/src/main/ConfigManager.java
@@ -0,0 +1,125 @@
+package src.main;
+
+import java.util.AbstractMap;
+import java.util.HashMap;
+import java.util.List;
+import java.io.IOException;
+import java.lang.Object;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+
+import org.json.JSONObject;
+
+import java.util.Scanner;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.Map;
+
+public class ConfigManager {
+
+    private static final Path CONFIGS_DIR = Paths.get("src/resources/configs");
+    private static final Path CONFIGS_BACKUP_DIR = Paths.get("src/resources/configs/backups");
+
+    private static final Map.Entry<String, String[]> DATABASE_CONFIG = new AbstractMap.SimpleEntry<String, String[]>("database.json", 
+    new String[]{
+        "DatabaseAddress",
+        "DataBasePort",
+        "DataBaseUsername",
+        "DataBasePassword"
+    });
+
+    public ConfigManager () {
+
+        makeBackups(CONFIGS_DIR, CONFIGS_BACKUP_DIR);
+        
+        if(!Files.exists(Path.of(CONFIGS_DIR.toString(), DATABASE_CONFIG.getKey()))) {
+            writeConfig(Paths.get(CONFIGS_DIR.toString(), DATABASE_CONFIG.getKey()), DATABASE_CONFIG.getValue());
+        }
+        
+        //HashMap<String, Object> databaseConfig;
+        //databaseConfig = readConfig(Paths.get(CONFIGS_DIR.toString(), "database.json"));    
+        //System.out.println(databaseConfig);
+    }
+
+    private void getUserInputConfig(HashMap<String, Object> config, Scanner scanner, String configEntry) {
+        System.out.println("Please enter " + configEntry);
+        config.put(configEntry, scanner.nextLine());
+    }
+
+    private void writeConfig(Path configPath, String[] configContent) {
+        Scanner inputScanner = new Scanner(System.in);
+        HashMap<String, Object> configData = new HashMap<String, Object>();
+
+        for (String entry : configContent) {
+            getUserInputConfig(configData, inputScanner, entry);
+        }
+        
+        JSONObject json = new JSONObject(configData);
+        
+        try {
+            Files.writeString(configPath, json.toString(), StandardCharsets.UTF_8);
+        } catch (IOException error) {
+            error.printStackTrace();
+        }
+
+    }
+
+    private HashMap<String, Object> readConfig(Path configPath) {
+        
+        HashMap<String, Object> config = new HashMap<String, Object>();
+
+        try {
+            String configContent = new String(Files.readAllBytes(configPath));
+            JSONObject jsonObject = new JSONObject(configContent);
+            System.out.println(jsonObject);
+        } catch (Exception error) {
+            error.printStackTrace();
+        }
+        return config;
+    }
+
+    private void makeBackups(Path source, Path destination) {
+        // Ensure the source path exists.
+        if (!Files.exists(source) || !Files.isDirectory(source)) {
+            System.err.println("Source directory does not exist or is not a directory.");
+            return;
+        }
+
+        // Ensure the destination exists, if not create it
+        if (!Files.exists(destination)) {
+            try {
+            // Create destination directory.
+            Files.createDirectories(destination);
+            } catch (IOException error) {
+                error.printStackTrace();
+                System.err.println("Failed to create destination address \"" + destination.toString() + "\"");
+                return;
+            }
+        }
+
+        // Attempt to copy files from source to destination
+        try (Stream<Path> pathStream = Files.list(source)) {
+            // Get a list of files, filter out non-file types
+            List<Path> fileList = pathStream
+                .filter(Files::isRegularFile)
+                .collect(Collectors.toList());
+
+            // Copy the file to the backup directory, replacing existing ones
+            for(Path filePath : fileList) {
+                String newFileName = filePath.getFileName().toString() + ".bak";
+                System.out.println(newFileName);
+                System.out.println(Path.of(destination.toString(), newFileName).toString());
+                Files.copy(filePath, Path.of(destination.toString(), newFileName), StandardCopyOption.REPLACE_EXISTING);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+            System.err.println("Failed to copy file ");
+        }
+        
+    }
+
+}