PAPI Support WIP

src/main/java/com/gmail/nossr50/placeholders/SkillExpRemainingPlaceholder.java

@@ -0,0 +1,25 @@
+package com.gmail.nossr50.placeholders;
+
+import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
+import org.bukkit.entity.Player;
+
+public class SkillExpRemainingPlaceholder implements Placeholder {
+    private final PapiExpansion papiExpansion;
+    private final PrimarySkillType skill;
+
+    public SkillExpRemainingPlaceholder(PapiExpansion papiExpansion, PrimarySkillType skill) {
+        this.papiExpansion = papiExpansion;
+        this.skill = skill;
+    }
+
+    @Override
+    public String process(Player player, String params) {
+        final Integer expRemaining = papiExpansion.getExpRemaining(skill, player);
+        return (expRemaining == null) ? "" : expRemaining.toString();
+    }
+
+    @Override
+    public String getName() {
+        return "xp_remaining_" + skill.toString().toLowerCase();
+    }
+}