Adding match mode for id search to MassiveCraftCore and improving the faction argument readers.

src/com/massivecraft/factions/zcore/persist/EntityCollection.java

@@ -7,6 +7,7 @@ import java.util.Map.Entry;
 
 import com.google.gson.Gson;
 import com.massivecraft.factions.zcore.util.DiscUtil;
+import com.massivecraft.factions.zcore.util.TextUtil;
 
 public abstract class EntityCollection<E extends Entity>
 {	
@@ -16,7 +17,7 @@ public abstract class EntityCollection<E extends Entity>
 	
 	// These must be instantiated in order to allow for different configuration (orders, comparators etc)
 	private Collection<E> entities;
-	private Map<String, E> id2entity;
+	protected Map<String, E> id2entity;
 	
 	// If the entities are creative they will create a new instance if a non existent id was requested
 	private boolean creative;
@@ -94,6 +95,13 @@ public abstract class EntityCollection<E extends Entity>
 		return id2entity.get(id) != null;
 	}
 	
+	public E getBestIdMatch(String pattern)
+	{
+		String id = TextUtil.getWhereLongestCommonStartCI(this.id2entity.keySet(), pattern);
+		if (id == null) return null;
+		return this.id2entity.get(id);
+	}
+	
 	// -------------------------------------------- //
 	// CREATE
 	// -------------------------------------------- //

src/com/massivecraft/factions/zcore/persist/PlayerEntityCollection.java

@@ -42,5 +42,4 @@ public abstract class PlayerEntityCollection<E extends Entity> extends EntityCol
 		}
 		return entities;
 	}
-	
 }

src/com/massivecraft/factions/zcore/util/TextUtil.java

@@ -280,4 +280,36 @@ public class TextUtil
 		
 		return ""+num+" "+unit+" "+agofromnow;
 	}
+	
+	// -------------------------------------------- //
+	// String comparison
+	// -------------------------------------------- //
+	
+	public static int commonStartLength(String a, String b)
+	{
+		int len = a.length() > b.length() ? a.length() : b.length();
+		int i;
+		for (i = 0; i < len; i++)
+		{
+			if (a.charAt(i) != b.charAt(i)) break;
+		}
+		return i;
+	}
+	
+	public static String getWhereLongestCommonStartCI(Collection<String> candidates, String pattern)
+	{
+		String ret = null;
+		int best = 0;
+		pattern = pattern.toLowerCase();
+		for (String candidate : candidates)
+		{
+			int csl = commonStartLength(pattern, candidate.toLowerCase());
+			if (csl > best)
+			{
+				best = csl;
+				ret = candidate;
+			}
+		}
+		return ret;
+	}
 }