More InventoyUtil lore methods and PredicateStartsWith

src/com/massivecraft/massivecore/predicate/PredicateStringStartsWith.java

@@ -0,0 +1,33 @@
+package com.massivecraft.massivecore.predicate;
+
+public class PredicateStringStartsWith implements Predicate<String>
+{
+	// -------------------------------------------- //
+	// FIELDS
+	// -------------------------------------------- //
+
+	private final String prefix;
+
+	// -------------------------------------------- //
+	// CONSTRUCT
+	// -------------------------------------------- //
+
+	public static PredicateStringStartsWith get(String prefix) { return new PredicateStringStartsWith(prefix); }
+	public PredicateStringStartsWith(String prefix)
+	{
+		if (prefix == null) throw new NullPointerException("prefix");
+		this.prefix = prefix;
+	}
+
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+
+	@Override
+	public boolean apply(String str)
+	{
+		if (str == null) return false;
+		return str.startsWith(prefix);
+	}
+	
+}

src/com/massivecraft/massivecore/util/InventoryUtil.java

@@ -6,6 +6,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
 
@@ -32,6 +33,8 @@ import com.massivecraft.massivecore.comparator.ComparatorComparable;
 import com.massivecraft.massivecore.comparator.ComparatorEntryValue;
 import com.massivecraft.massivecore.event.EventMassiveCoreLorePriority;
 import com.massivecraft.massivecore.mixin.MixinInventory;
+import com.massivecraft.massivecore.predicate.Predicate;
+import com.massivecraft.massivecore.predicate.PredicateStringStartsWith;
 
 public class InventoryUtil
 {
@@ -1252,4 +1255,52 @@ public class InventoryUtil
 		}
 	}
 
+	// -------------------------------------------- //
+	// LORE PREFIX
+	// -------------------------------------------- //
+
+	public static void removeLoreMatching(ItemStack item, Predicate<String> predicate)
+	{
+		if (predicate == null) throw new NullPointerException("prefix");
+
+		List<String> lore = getLore(item);
+		if (lore == null) return;
+
+		for (Iterator<String> it = lore.iterator(); it.hasNext();)
+		{
+			String line = it.next();
+			if (!predicate.apply(line)) continue;
+			it.remove();
+		}
+
+		setLore(item, lore);
+	}
+
+	public static void removeLoreWithPrefix(ItemStack item, String prefix)
+	{
+		removeLoreMatching(item, PredicateStringStartsWith.get(prefix));
+	}
+
+	public static List<String> getLoreMatching(ItemStack item, Predicate<String> predicate)
+	{
+		if (predicate == null) throw new NullPointerException("prefix");
+
+		List<String> lore = getLore(item);
+		if (lore == null) return null;
+
+		for (Iterator<String> it = lore.iterator(); it.hasNext();)
+		{
+			String line = it.next();
+			if (predicate.apply(line)) continue;
+			it.remove();
+		}
+
+		return lore;
+	}
+
+	public static List<String> getLoreWithPrefix(ItemStack item, String prefix)
+	{
+		return getLoreMatching(item, PredicateStringStartsWith.get(prefix));
+	}
+
 }

src/com/massivecraft/massivecore/util/Txt.java

@@ -1,5 +1,7 @@
 package com.massivecraft.massivecore.util;
 
+import static com.massivecraft.massivecore.mson.Mson.mson;
+
 import java.util.AbstractMap.SimpleEntry;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -27,8 +29,6 @@ import com.massivecraft.massivecore.mson.MsonEvent;
 import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.predicate.PredicateStartsWithIgnoreCase;
 
-import static com.massivecraft.massivecore.mson.Mson.mson;
-
 public class Txt
 {
 	// -------------------------------------------- //
@@ -43,6 +43,7 @@ public class Txt
 	
 	public static final Pattern PATTERN_WHITESPACE = Pattern.compile("\\s+");
 	public static final Pattern PATTERN_NEWLINE = Pattern.compile("\\r?\\n");
+	public static final Pattern PATTERN_NUMBER = Pattern.compile("[0-9]+");
 	private static final Pattern PATTERN_UPPERCASE_ZEROWIDTH = Pattern.compile("(?=[A-Z])"); // NOTE: Use camelsplit instead for Java 6/7 compatibility.
 
 	public static final long millisPerSecond = 1000;