Start work on schematics

src/main/java/dev/plex/request/impl/SchematicDownloadEndpoint.java

@@ -0,0 +1,50 @@
+package dev.plex.request.impl;
+
+import dev.plex.request.AbstractServlet;
+import dev.plex.request.GetMapping;
+import jakarta.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.util.Arrays;
+import org.bukkit.Bukkit;
+
+public class SchematicDownloadEndpoint extends AbstractServlet
+{
+    @GetMapping(endpoint = "/api/schematics/download/")
+    public String downloadSchematics(HttpServletRequest request)
+    {
+        return schematicHTML();
+    }
+
+    private String schematicHTML()
+    {
+        String file = readFile(this.getClass().getResourceAsStream("/httpd/schematic_list.html"));
+        File worldeditFolder;
+        if (Bukkit.getPluginManager().isPluginEnabled("WorldEdit"))
+        {
+            worldeditFolder = new File(Bukkit.getPluginManager().getPlugin("WorldEdit").getDataFolder() + "/schematics/");
+        }
+        else if (Bukkit.getPluginManager().isPluginEnabled("FastAsyncWorldEdit"))
+        {
+            worldeditFolder = new File(Bukkit.getPluginManager().getPlugin("FastAsyncWorldEdit").getDataFolder() + "/schematics/");
+        }
+        else
+        {
+            return null;
+        }
+        StringBuilder sb = new StringBuilder();
+        File[] alphabetical = worldeditFolder.listFiles();
+        if (alphabetical != null)
+        {
+            Arrays.sort(alphabetical);
+        }
+        for (File worldeditFile : alphabetical)
+        {
+            sb.append("<tr>" +
+                    "<th scope=\"row\">" + worldeditFile.getName() + "</th>" +
+                    "<td>" + worldeditFile.length() + "B" + "</td>" +
+                    "</tr>");
+        }
+        file = file.replace("${schematics}", sb.toString());
+        return file;
+    }
+}