1 files changed, 111 insertions, 0 deletions
diff --git a/Essentials2Compat/src/com/earth2me/essentials/Util.java b/Essentials2Compat/src/com/earth2me/essentials/Util.java
new file mode 100644
index 000000000..3a34a85fc
--- /dev/null
+++ b/Essentials2Compat/src/com/earth2me/essentials/Util.java
@@ -0,0 +1,111 @@
+package com.earth2me.essentials;
+
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.*;
+import java.util.logging.Logger;
+import java.util.regex.Pattern;
+
+
+public class Util
+{
+	private Util()
+	{
+	}
+	private final static Logger logger = Logger.getLogger("Minecraft");
+	private final static Pattern INVALIDFILECHARS = Pattern.compile("[^a-z0-9]");
+	private final static Pattern INVALIDCHARS = Pattern.compile("[^\t\n\r\u0020-\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFC]");
+
+	//Used to clean file names before saving to disk
+	public static String sanitizeFileName(final String name)
+	{
+		return safeString(name);
+	}
+
+	//Used to clean strings/names before saving as filenames/permissions
+	public static String safeString(final String string)
+	{
+		return INVALIDFILECHARS.matcher(string.toLowerCase(Locale.ENGLISH)).replaceAll("_");
+	}
+
+	//Less restrictive string sanitizing, when not used as perm or filename
+	public static String sanitizeString(final String string)
+	{
+		return INVALIDCHARS.matcher(string).replaceAll("");
+	}
+
+
+	private static DecimalFormat dFormat = new DecimalFormat("#0.00", DecimalFormatSymbols.getInstance(Locale.US));
+
+	public static String formatAsCurrency(final double value)
+	{
+		String str = dFormat.format(value);
+		if (str.endsWith(".00"))
+		{
+			str = str.substring(0, str.length() - 3);
+		}
+		return str;
+	}
+	
+	public static double roundDouble(final double d)
+	{
+		return Math.round(d * 100.0) / 100.0;
+	}
+
+	public static boolean isInt(final String sInt)
+	{
+		try
+		{
+			Integer.parseInt(sInt);
+		}
+		catch (NumberFormatException e)
+		{
+			return false;
+		}
+		return true;
+	}
+
+	public static String joinList(Object... list)
+	{
+		return joinList(", ", list);
+	}
+
+	public static String joinList(String seperator, Object... list)
+	{
+		StringBuilder buf = new StringBuilder();
+		for (Object each : list)
+		{
+			if (buf.length() > 0)
+			{
+				buf.append(seperator);
+			}
+
+			if (each instanceof Collection)
+			{
+				buf.append(joinList(seperator, ((Collection)each).toArray()));
+			}
+			else
+			{
+				try
+				{
+					buf.append(each.toString());
+				}
+				catch (Exception e)
+				{
+					buf.append(each.toString());
+				}
+			}
+		}
+		return buf.toString();
+	}
+
+	public static String lastCode(final String input)
+	{
+		int pos = input.lastIndexOf("§");
+		if (pos == -1 || (pos + 1) == input.length())
+		{
+			return "";
+		}
+		return input.substring(pos, pos + 2);
+	}
+}
+\ No newline at end of file