Add unbreakable item expression

Finish unbreakable item support

Finish unbreakable item support

Remove debug messages

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>ch.njol</groupId>
 	<artifactId>skript</artifactId>
-	<version>2.2-dev13</version>
+	<version>2.2-dev13b</version>
 	<name>Skript</name>
 	<description>A plugin for the Minecraft server API Bukkit that allows to create scripts in natural language.</description>
 	<url>http://njol.ch/projects/skript/</url>

src/main/java/ch/njol/skript/expressions/ExprUnbreakable.java

@@ -0,0 +1,105 @@
+/*
+ *   This file is part of Skript.
+ *
+ *  Skript is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Skript is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Skript.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * 
+ * Copyright 2011-2013 Peter Güttinger
+ * 
+ */
+
+package ch.njol.skript.expressions;
+
+import java.util.Arrays;
+
+import org.bukkit.Location;
+import org.bukkit.block.Biome;
+import org.bukkit.event.Event;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.eclipse.jdt.annotation.Nullable;
+
+import ch.njol.skript.Skript;
+import ch.njol.skript.aliases.ItemType;
+import ch.njol.skript.classes.Converter;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.expressions.base.PropertyExpression;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.ExpressionType;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.skript.util.Direction;
+import ch.njol.util.Kleenean;
+
+/**
+ * @author bensku
+ */
+@Name("Unbreakable Items")
+@Description("Creates unbreakable copies of given items.")
+@Examples("unbreakable iron sword #Creates unbreakable iron sword")
+@Since("2.2-dev13b")
+public class ExprUnbreakable extends PropertyExpression<ItemType, ItemType> {
+
+	static {
+		Skript.registerExpression(ExprUnbreakable.class, ItemType.class, ExpressionType.PROPERTY, "unbreakable %itemtypes%");
+	}
+
+	@SuppressWarnings({"unchecked", "null"})
+	@Override
+	public boolean init(final Expression<?>[] exprs, final int matchedPattern, final Kleenean isDelayed, final ParseResult parseResult) {
+		setExpr((Expression<? extends ItemType>) exprs[0]);
+		return true;
+	}
+
+	@Override
+	protected ItemType[] get(final Event e, final ItemType[] source) {
+		return get(source, new Converter<ItemType, ItemType>() {
+			@Override
+			public ItemType convert(final ItemType i) {
+				ItemType clone = i.clone();
+
+				Object meta = clone.getItemMeta();
+				if (meta == null) {
+					ItemStack random = clone.getRandom(); // Should not happen, but...
+					if (random == null)
+						return clone;
+					meta = random.getItemMeta();
+				}
+				if (!(meta instanceof ItemMeta)) {
+					Skript.error("Unknown item meta type, can't make item unbreakable!");
+					return clone;
+				}
+
+				((ItemMeta) meta).spigot().setUnbreakable(true);
+				clone.setItemMeta(meta);
+
+				return clone;
+			}
+		});
+	}
+
+	@Override
+	public Class<? extends ItemType> getReturnType() {
+		return ItemType.class;
+	}
+
+	@Override
+	public String toString(@Nullable Event e, boolean debug) {
+		if (e == null)
+			return "unbreakable items";
+		return "unbreakable " + Arrays.toString(getExpr().getAll(e));
+	}
+}