Implemented conversion between ItemStack and LinkedBeaconTeleporterItem

src/main/java/eu/ruekov/ruakij/LinkedBeaconTeleporters/linkedBeaconTeleporter/LinkedBeaconTeleporterItem.java

@@ -1,8 +1,16 @@
 package eu.ruekov.ruakij.LinkedBeaconTeleporters.linkedBeaconTeleporter;
 
+import eu.ruekov.ruakij.LinkedBeaconTeleporters.Main;
+import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class LinkedBeaconTeleporterItem extends LinkedBeaconTeleporter {
+    // INFO: Save to store as its always cloned by bukkit
     ItemStack item;
 
     public LinkedBeaconTeleporterItem(String teleporterId, ItemStack item) {
@@ -14,4 +22,13 @@ public class LinkedBeaconTeleporterItem extends LinkedBeaconTeleporter {
     public ItemStack item(){
         return item;
     }
+
+
+    // Conversion methods
+    public ItemStack toItemStack(){
+        return Main.lbtManager.getItemStackFromLbtItem(this);
+    }
+    public static LinkedBeaconTeleporter getFromItemStack(ItemStack itemStack){
+        return Main.lbtManager.getLbtItemFromItemStack(itemStack);
+    }
 }

src/main/java/eu/ruekov/ruakij/LinkedBeaconTeleporters/linkedBeaconTeleporter/LinkedBeaconTeleporterManager.java

@@ -19,9 +19,18 @@ public class LinkedBeaconTeleporterManager {
     HashMap<String, List<LinkedBeaconTeleporterBlock>> linkedBeaconTeleporterById = new HashMap();
     HashMap<String, LinkedBeaconTeleporterBlock> linkedBeaconTeleporterByLoc = new HashMap();
 
+    // Regex to match item-name&lore and extract id (group 1)
+    String regex;
+
     public LinkedBeaconTeleporterManager(){
         Main.log.info("Loading LinkedBeaconTeleporter from config..");
 
+        // Construct search item-regex
+        regex = constructRegex(
+                Main.config.getString("item.name"),
+                Main.config.getStringList("item.lore")
+        );
+
         // Load teleporters
         for(String teleporterId : Main.data.getKeys(false)){
             ConfigurationSection teleportersData = Main.data.getConfigurationSection(teleporterId);
@@ -66,4 +75,71 @@ public class LinkedBeaconTeleporterManager {
 
         Main.log.info("All done!");
     }
+
+    // Conversion-methods
+    public ItemStack getItemStackFromLbtItem(LinkedBeaconTeleporterItem lbtItem){
+        ItemStack item = new ItemStack(Material.BEACON);
+        ItemMeta itemMeta = item.getItemMeta();
+
+        // Get config-values
+        String name = Main.config.getString("item.name");
+        List<String> lore = Main.config.getStringList("item.lore");
+
+        // Replace parameters
+        name = name.replace("%id%", lbtItem.teleporterId);
+        for(int i=0; i<lore.size(); i++){
+            lore.set(i,
+                    lore.get(i).replace("%id%", lbtItem.teleporterId)
+            );
+        }
+
+        // Set meta
+        itemMeta.setDisplayName(name);
+        itemMeta.setLore(lore);
+
+        return item;
+    }
+    public LinkedBeaconTeleporterItem getLbtItemFromItemStack(ItemStack itemStack){
+        // Serialize
+        String nameAndLore = serialiseBeaconItem(
+                itemStack.getI18NDisplayName(),
+                itemStack.getLore()
+        );
+
+        // Regex match
+        Pattern pattern = Pattern.compile(regex);
+        Matcher matcher = pattern.matcher(nameAndLore);
+        if(!matcher.find())
+            // No data
+            return null;
+
+        LinkedBeaconTeleporterItem lbtItem = new LinkedBeaconTeleporterItem(
+                matcher.group(1),
+                itemStack
+        );
+
+        return lbtItem;
+    }
+
+    String constructRegex(String name, List<String> lore){
+        // Serialize
+        String regex = serialiseBeaconItem(name, lore);
+
+        // Wrap in regex-quotes
+        regex = "\\Q"+ regex +"\\E";
+        // Exclude id from regex-quotes and create group
+        regex = regex.replace("%id%", "\\E(.*)\\Q");
+
+        return regex;
+    }
+    String serialiseBeaconItem(String name, List<String> lore){
+        // get name and remove control-chars
+        String str = name.replace("\\", "\\\\");
+        for (String loreLine : lore) {
+            // get lore-lines and remove control-chars
+            str += "\n"+ loreLine.replace("\\", "\\\\");
+        }
+
+        return str;
+    }
 }