StringMan instead of StringUtils

2025-11-04 03:03:43 +01:00 · 2015-07-27 04:38:08 +10:00
parent 042a295a55
commit 393a5bffd5
24 changed files with 277 additions and 182 deletions
--- a/src/main/java/com/intellectualcrafters/plot/PS.java
+++ b/src/main/java/com/intellectualcrafters/plot/PS.java
@@ -43,9 +43,7 @@ import com.intellectualcrafters.plot.database.SQLite;
 import com.intellectualcrafters.plot.flag.AbstractFlag;
 import com.intellectualcrafters.plot.flag.FlagManager;
 import com.intellectualcrafters.plot.flag.FlagValue;
-import com.plotsquared.bukkit.generator.AugmentedPopulator;
 import com.intellectualcrafters.plot.generator.ClassicPlotWorld;
-import com.plotsquared.bukkit.generator.HybridGen;
 import com.intellectualcrafters.plot.generator.HybridPlotWorld;
 import com.intellectualcrafters.plot.generator.HybridUtils;
 import com.intellectualcrafters.plot.generator.PlotGenerator2;
@@ -70,10 +68,8 @@ import com.intellectualcrafters.plot.util.EconHandler;
 import com.intellectualcrafters.plot.util.EventUtil;
 import com.intellectualcrafters.plot.util.ExpireManager;
 import com.intellectualcrafters.plot.util.InventoryUtil;
-import com.intellectualcrafters.plot.util.Logger;
 import com.intellectualcrafters.plot.util.MathMan;
 import com.intellectualcrafters.plot.util.StringMan;
-import com.intellectualcrafters.plot.util.Logger.LogLevel;
 import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.PlayerManager;
 import com.plotsquared.bukkit.util.SetupUtils;
@@ -1549,7 +1545,6 @@ public class PS {
            setupStyle();
        } catch (final Exception err) {
            err.printStackTrace();
-            Logger.add(LogLevel.DANGER, "Failed to save style.yml");
            log("failed to save style.yml");
        }
        try {
@@ -1562,7 +1557,6 @@ public class PS {
            config = YamlConfiguration.loadConfiguration(configFile);
            setupConfig();
        } catch (final Exception err_trans) {
-            Logger.add(LogLevel.DANGER, "Failed to save settings.yml");
            log("Failed to save settings.yml");
        }
        try {
@@ -1575,7 +1569,6 @@ public class PS {
            storage = YamlConfiguration.loadConfiguration(storageFile);
            setupStorage();
        } catch (final Exception err_trans) {
-            Logger.add(LogLevel.DANGER, "Failed to save storage.yml");
            log("Failed to save storage.yml");
        }
        try {
@@ -1583,7 +1576,7 @@ public class PS {
            config.save(configFile);
            storage.save(storageFile);
        } catch (final IOException e) {
-            Logger.add(LogLevel.DANGER, "Configuration file saving failed");
+            log("Configuration file saving failed");
            e.printStackTrace();
        }
    }
--- a/src/main/java/com/intellectualcrafters/plot/config/ConfigurationNode.java
+++ b/src/main/java/com/intellectualcrafters/plot/config/ConfigurationNode.java
@@ -24,10 +24,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

-import org.apache.commons.lang.StringUtils;
-
 import com.intellectualcrafters.plot.config.Configuration.SettingValue;
 import com.intellectualcrafters.plot.object.PlotBlock;
+import com.intellectualcrafters.plot.util.StringMan;

 /**
 * Configuration Node
@@ -91,7 +90,7 @@ public class ConfigurationNode {

    public Object getDefaultValue() {
        if (this.default_value instanceof Object[]) {
-            return StringUtils.join((Object[]) this.default_value, ",");
+            return StringMan.join((Object[]) this.default_value, ",");
        }
        return this.default_value;
    }
--- a/src/main/java/com/intellectualcrafters/plot/database/SQLManager.java
+++ b/src/main/java/com/intellectualcrafters/plot/database/SQLManager.java
@@ -37,7 +37,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.UUID;

-import org.apache.commons.lang.StringUtils;
 import org.bukkit.block.Biome;

 import com.intellectualcrafters.plot.PS;
@@ -53,6 +52,7 @@ import com.intellectualcrafters.plot.object.PlotSettings;
 import com.intellectualcrafters.plot.object.RunnableVal;
 import com.intellectualcrafters.plot.object.comment.PlotComment;
 import com.intellectualcrafters.plot.util.ClusterManager;
+import com.intellectualcrafters.plot.util.StringMan;
 import com.intellectualcrafters.plot.util.TaskManager;

 /**
@@ -1100,7 +1100,7 @@ public class SQLManager implements AbstractDB {
                            }
                        } else {
                            element = element.replaceAll("\u00AF", ":").replaceAll("\u00B4", ",");
-                            if (StringUtils.isAlpha(element.replaceAll("_", "").replaceAll("-", ""))) {
+                            if (StringMan.isAlpha(element.replaceAll("_", "").replaceAll("-", ""))) {
                                Flag flag = new Flag(FlagManager.getFlag(element, true), "");
                                flags.put(flag.getKey(), flag);
                            } else {
@@ -1247,7 +1247,7 @@ public class SQLManager implements AbstractDB {
    }

    public void setFlags(final int id, final Collection<Flag> newflags) {
-        final String flag_string = StringUtils.join(newflags, ",");
+        final String flag_string = StringMan.join(newflags, ",");
        TaskManager.runTaskAsync(new Runnable() {
            @Override
            public void run() {
--- a/src/main/java/com/intellectualcrafters/plot/database/StmtMod.java
+++ b/src/main/java/com/intellectualcrafters/plot/database/StmtMod.java
@@ -3,7 +3,7 @@ package com.intellectualcrafters.plot.database;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;

-import org.apache.commons.lang.StringUtils;
+import com.intellectualcrafters.plot.util.StringMan;

 public abstract class StmtMod<T> {
 	public abstract String getCreateMySQL(int size);
@@ -11,15 +11,15 @@ public abstract class StmtMod<T> {
 	public String getCreateMySQL(int size, String query, int params) {
 		final StringBuilder statement = new StringBuilder(query);
        for (int i = 0; i < size - 1; i++) {
-            statement.append("(" + StringUtils.repeat(",(?)", params).substring(1) + "),");
+            statement.append("(" + StringMan.repeat(",(?)", params).substring(1) + "),");
        }
-        statement.append("(" + StringUtils.repeat(",(?)", params).substring(1) + ")");
+        statement.append("(" + StringMan.repeat(",(?)", params).substring(1) + ")");
        return statement.toString();
 	}
 	
 	public String getCreateSQLite(int size, String query, int params) {
 		StringBuilder statement = new StringBuilder(query);
-		String modParams = StringUtils.repeat(",?", params).substring(1);
+		String modParams = StringMan.repeat(",?", params).substring(1);
 		for (int i = 0; i < (size - 1); i++) {
            statement.append("UNION SELECT " + modParams + " ");
        }
--- a/src/main/java/com/intellectualcrafters/plot/flag/AbstractFlag.java
+++ b/src/main/java/com/intellectualcrafters/plot/flag/AbstractFlag.java
@@ -20,7 +20,7 @@
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 package com.intellectualcrafters.plot.flag;

-import org.apache.commons.lang.StringUtils;
+import com.intellectualcrafters.plot.util.StringMan;

 /**
 * Created 2014-09-23 for PlotSquared
@@ -42,7 +42,7 @@ public class AbstractFlag {
     * @param key
     */
    public AbstractFlag(final String key, final FlagValue<?> value) {
-        if (!StringUtils.isAlpha(key.replaceAll("_", "").replaceAll("-", ""))) {
+        if (!StringMan.isAlpha(key.replaceAll("_", "").replaceAll("-", ""))) {
            throw new IllegalArgumentException("Flag must be alphabetic characters");
        }
        if (key.length() > 16) {
--- a/src/main/java/com/intellectualcrafters/plot/flag/Flag.java
+++ b/src/main/java/com/intellectualcrafters/plot/flag/Flag.java
@@ -20,7 +20,7 @@
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 package com.intellectualcrafters.plot.flag;

-import org.apache.commons.lang.StringUtils;
+import com.intellectualcrafters.plot.util.StringMan;

 public class Flag {
    private AbstractFlag key;
@@ -36,7 +36,7 @@ public class Flag {
     * @throws IllegalArgumentException if you provide inadequate inputs
     */
    public Flag(final AbstractFlag key, final String value) {
-        if (!StringUtils.isAsciiPrintable(value)) {
+        if (!StringMan.isAsciiPrintable(value)) {
            throw new IllegalArgumentException("Flag must be ascii");
        }
        if (value.length() > 128) {
--- a/src/main/java/com/intellectualcrafters/plot/flag/FlagValue.java
+++ b/src/main/java/com/intellectualcrafters/plot/flag/FlagValue.java
@@ -5,9 +5,8 @@ import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;

-import org.apache.commons.lang.StringUtils;
-
 import com.intellectualcrafters.plot.object.PlotBlock;
+import com.intellectualcrafters.plot.util.StringMan;

 /**
 * Created 2014-11-17 for PlotSquared
@@ -298,7 +297,7 @@ public abstract class FlagValue<T> {
        @SuppressWarnings("unchecked")
        @Override
        public String toString(final Object t) {
-            return StringUtils.join((HashSet<PlotBlock>) t, ",");
+            return StringMan.join((HashSet<PlotBlock>) t, ",");
        }

        @SuppressWarnings("unchecked")
@@ -357,7 +356,7 @@ public abstract class FlagValue<T> {
        @SuppressWarnings("unchecked")
        @Override
        public String toString(final Object t) {
-            return StringUtils.join((List<Integer>) t, ",");
+            return StringMan.join((List<Integer>) t, ",");
        }

        @SuppressWarnings("unchecked")
@@ -405,7 +404,7 @@ public abstract class FlagValue<T> {

        @Override
        public String toString(final Object t) {
-            return StringUtils.join((List<String>) t, ",");
+            return StringMan.join((List<String>) t, ",");
        }

        @Override
@@ -445,7 +444,7 @@ public abstract class FlagValue<T> {
        @SuppressWarnings("unchecked")
        @Override
        public String toString(final Object t) {
-            return StringUtils.join((List<Double>) t, ",");
+            return StringMan.join((List<Double>) t, ",");
        }

        @SuppressWarnings("unchecked")
--- a/src/main/java/com/intellectualcrafters/plot/generator/BukkitHybridUtils.java
+++ b/src/main/java/com/intellectualcrafters/plot/generator/BukkitHybridUtils.java
@@ -5,9 +5,10 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Random;
+import java.util.concurrent.atomic.AtomicInteger;

 import com.plotsquared.bukkit.generator.AugmentedPopulator;
-import org.apache.commons.lang.mutable.MutableInt;
+
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.Material;
@@ -215,8 +216,8 @@ public class BukkitHybridUtils extends HybridUtils {
        };
        System.gc();
        AugmentedPopulator.initCache();
-        TaskManager.index.increment();
-        final Integer currentIndex = TaskManager.index.toInteger();
+        TaskManager.index.incrementAndGet();
+        final Integer currentIndex = TaskManager.index.get();
        final Integer task = TaskManager.runTaskRepeat(new Runnable() {
            @Override
            public void run() {
@@ -268,7 +269,7 @@ public class BukkitHybridUtils extends HybridUtils {
    }

    public void checkModified(final Plot plot, final RunnableVal<Integer> whenDone) {
-        TaskManager.index.increment();
+        TaskManager.index.incrementAndGet();
        final Location bot = MainUtil.getPlotBottomLoc(plot.world, plot.id).add(1, 0, 1);
        final Location top = MainUtil.getPlotTopLoc(plot.world, plot.id);
        int bx = bot.getX() >> 4;
@@ -291,9 +292,9 @@ public class BukkitHybridUtils extends HybridUtils {

        final ClassicPlotWorld cpw = (ClassicPlotWorld) plotworld;

-        final MutableInt count = new MutableInt(0);
+        final AtomicInteger count = new AtomicInteger(0);

-        final Integer currentIndex = TaskManager.index.toInteger();
+        final Integer currentIndex = TaskManager.index.get();
        final Integer task = TaskManager.runTaskRepeat(new Runnable() {
            @Override
            public void run() {
@@ -312,9 +313,9 @@ public class BukkitHybridUtils extends HybridUtils {
                int ex = Math.min((chunk.getX() << 4) + 15, top.getX());
                int ez = Math.min((chunk.getZ() << 4) + 15, top.getZ());
                // count changes
-                count.add(checkModified(plot.world, bx, ex, 1, cpw.PLOT_HEIGHT - 1, bz, ez, cpw.MAIN_BLOCK));
-                count.add(checkModified(plot.world, bx, ex, cpw.PLOT_HEIGHT, cpw.PLOT_HEIGHT, bz, ez, cpw.TOP_BLOCK));
-                count.add(checkModified(plot.world, bx, ex, cpw.PLOT_HEIGHT + 1, 255, bz, ez, new PlotBlock[] { new PlotBlock((short) 0, (byte) 0) }));
+                count.addAndGet(checkModified(plot.world, bx, ex, 1, cpw.PLOT_HEIGHT - 1, bz, ez, cpw.MAIN_BLOCK));
+                count.addAndGet(checkModified(plot.world, bx, ex, cpw.PLOT_HEIGHT, cpw.PLOT_HEIGHT, bz, ez, cpw.TOP_BLOCK));
+                count.addAndGet(checkModified(plot.world, bx, ex, cpw.PLOT_HEIGHT + 1, 255, bz, ez, new PlotBlock[] { new PlotBlock((short) 0, (byte) 0) }));
            }
        }, 1);
        TaskManager.tasks.put(currentIndex, task);
@@ -414,11 +415,11 @@ public class BukkitHybridUtils extends HybridUtils {
        BukkitHybridUtils.world = world;
        chunks = new ArrayList<ChunkLoc>();
        final Plugin plugin = BukkitMain.THIS;
-        final MutableInt count = new MutableInt(0);
+        final AtomicInteger count = new AtomicInteger(0);
        this.task = Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, new Runnable() {
            @Override
            public void run() {
-                count.increment();
+                count.incrementAndGet();
                if (count.intValue() % 20 == 0) {
                    PS.log("PROGRESS: " + ((100 * (2048 - chunks.size())) / 2048) + "%");
                }
--- a/src/main/java/com/intellectualcrafters/plot/generator/ClassicPlotWorld.java
+++ b/src/main/java/com/intellectualcrafters/plot/generator/ClassicPlotWorld.java
@@ -1,11 +1,10 @@
 package com.intellectualcrafters.plot.generator;

-import org.apache.commons.lang.StringUtils;
-
 import com.intellectualcrafters.configuration.ConfigurationSection;
 import com.intellectualcrafters.plot.config.Configuration;
 import com.intellectualcrafters.plot.config.ConfigurationNode;
 import com.intellectualcrafters.plot.object.PlotBlock;
+import com.intellectualcrafters.plot.util.StringMan;

 public abstract class ClassicPlotWorld extends SquarePlotWorld {
    public static int ROAD_HEIGHT_DEFAULT = 64;
@@ -50,8 +49,8 @@ public abstract class ClassicPlotWorld extends SquarePlotWorld {
        super.loadConfiguration(config);
        this.PLOT_BEDROCK = config.getBoolean("plot.bedrock");
        this.PLOT_HEIGHT = Math.min(255, config.getInt("plot.height"));
-        this.MAIN_BLOCK = (PlotBlock[]) Configuration.BLOCKLIST.parseString(StringUtils.join(config.getStringList("plot.filling"), ','));
-        this.TOP_BLOCK = (PlotBlock[]) Configuration.BLOCKLIST.parseString(StringUtils.join(config.getStringList("plot.floor"), ','));
+        this.MAIN_BLOCK = (PlotBlock[]) Configuration.BLOCKLIST.parseString(StringMan.join(config.getStringList("plot.filling"), ','));
+        this.TOP_BLOCK = (PlotBlock[]) Configuration.BLOCKLIST.parseString(StringMan.join(config.getStringList("plot.floor"), ','));
        this.WALL_BLOCK = (PlotBlock) Configuration.BLOCK.parseString(config.getString("wall.block"));
        this.ROAD_HEIGHT = Math.min(255, config.getInt("road.height"));
        this.ROAD_BLOCK = (PlotBlock) Configuration.BLOCK.parseString(config.getString("road.block"));
--- a/src/main/java/com/intellectualcrafters/plot/object/PlotAnalysis.java
+++ b/src/main/java/com/intellectualcrafters/plot/object/PlotAnalysis.java
@@ -6,8 +6,7 @@ import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
-
-import org.apache.commons.lang.mutable.MutableInt;
+import java.util.concurrent.atomic.AtomicInteger;

 import com.intellectualcrafters.configuration.file.YamlConfiguration;
 import com.intellectualcrafters.plot.PS;
@@ -139,12 +138,12 @@ public class PlotAnalysis {
                
                final int[] ratings = new int[plots.size()];
                
-                final MutableInt mi = new MutableInt(0);
+                final AtomicInteger mi = new AtomicInteger(0);
                
                Thread ratingAnalysis = new Thread(new Runnable() {
                    @Override
                    public void run() {
-                        for (;mi.intValue() < plots.size(); mi.increment()) {
+                        for (;mi.intValue() < plots.size(); mi.incrementAndGet()) {
                            int i = mi.intValue();
                            Plot plot = plots.get(i);
                            ratings[i] = (int) ((plot.getAverageRating() + plot.getSettings().ratings.size()) * 100);
--- a/src/main/java/com/intellectualcrafters/plot/object/PlotWorld.java
+++ b/src/main/java/com/intellectualcrafters/plot/object/PlotWorld.java
@@ -25,8 +25,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Set;

-import org.apache.commons.lang.StringUtils;
-
 import com.intellectualcrafters.configuration.ConfigurationSection;
 import com.intellectualcrafters.plot.PS;
 import com.intellectualcrafters.plot.config.Configuration;
@@ -35,6 +33,7 @@ import com.intellectualcrafters.plot.config.Settings;
 import com.intellectualcrafters.plot.flag.Flag;
 import com.intellectualcrafters.plot.flag.FlagManager;
 import com.intellectualcrafters.plot.util.EconHandler;
+import com.intellectualcrafters.plot.util.StringMan;

 /**
 * @author Jesse Boyd
@@ -189,7 +188,7 @@ public abstract class PlotWorld {
            this.DEFAULT_FLAGS = FlagManager.parseFlags(flags);
        } catch (final Exception e) {
            e.printStackTrace();
-            PS.log("&cInvalid default flags for " + this.worldname + ": " + StringUtils.join(flags, ","));
+            PS.log("&cInvalid default flags for " + this.worldname + ": " + StringMan.join(flags, ","));
            this.DEFAULT_FLAGS = new HashMap<>();
        }
        this.PVP = config.getBoolean("event.pvp");
--- a/src/main/java/com/intellectualcrafters/plot/util/Logger.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/Logger.java
@@ -1,89 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// PlotSquared - A plot manager and world generator for the Bukkit API                             /
-// Copyright (c) 2014 IntellectualSites/IntellectualCrafters                                       /
-//                                                                                                 /
-// This program 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.                                                             /
-//                                                                                                 /
-// This program 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 this program; if not, write to the Free Software Foundation,                         /
-// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA                               /
-//                                                                                                 /
-// You can contact us via: support@intellectualsites.com                                           /
-////////////////////////////////////////////////////////////////////////////////////////////////////
-package com.intellectualcrafters.plot.util;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Date;
-
-import com.intellectualcrafters.plot.PS;
-import com.intellectualcrafters.plot.config.C;
-
-/**
- * Logging of errors and debug messages.
- *
- * @author Citymonstret
- */
-public class Logger {
-    private static ArrayList<String> entries;
-    private static File log;
-
-    public static void setup(final File file) {
-        log = file;
-        entries = new ArrayList<>();
-        try {
-            final BufferedReader reader = new BufferedReader(new FileReader(file));
-            String line;
-            while ((line = reader.readLine()) != null) {
-                entries.add(line);
-            }
-            reader.close();
-        } catch (final IOException e) {
-            PS.log(C.PREFIX.s() + "File setup error Logger#setup");
-        }
-    }
-
-    public static void write() throws IOException {
-        final FileWriter writer = new FileWriter(log);
-        for (final String string : entries) {
-            writer.write(string + System.lineSeparator());
-        }
-        writer.close();
-    }
-
-    public static void add(final LogLevel level, final String string) {
-        append("[" + level.toString() + "] " + string);
-    }
-
-    private static void append(final String string) {
-        entries.add("[" + new Date().toString() + "]" + string);
-    }
-
-    public enum LogLevel {
-        GENERAL("General"),
-        WARNING("Warning"),
-        DANGER("Danger");
-        private final String name;
-
-        LogLevel(final String name) {
-            this.name = name;
-        }
-
-        @Override
-        public String toString() {
-            return this.name;
-        }
-    }
-}
--- a/src/main/java/com/intellectualcrafters/plot/util/MathMan.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/MathMan.java
@@ -24,6 +24,30 @@ public class MathMan {
        return i * 2;
    }
    
+    public static boolean isInteger(String str) {
+        if (str == null) {
+            return false;
+        }
+        int length = str.length();
+        if (length == 0) {
+            return false;
+        }
+        int i = 0;
+        if (str.charAt(0) == '-') {
+            if (length == 1) {
+                return false;
+            }
+            i = 1;
+        }
+        for (; i < length; i++) {
+            char c = str.charAt(i);
+            if (c <= '/' || c >= ':') {
+                return false;
+            }
+        }
+        return true;
+    }
+    
    public static double getSD(double[] array, double av) {
        double sd = 0;
        for (int i=0; i<array.length;i++)
--- a/src/main/java/com/intellectualcrafters/plot/util/SetBlockQueue.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/SetBlockQueue.java
@@ -53,7 +53,7 @@ public class SetBlockQueue {
            runnables = new HashSet<>();
        }
        if (!running) {
-            TaskManager.index.increment();
+            TaskManager.index.incrementAndGet();
            final int current = TaskManager.index.intValue();
            int task = TaskManager.runTaskRepeat(new Runnable() {
                @Override
--- a/src/main/java/com/intellectualcrafters/plot/util/StringComparison.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/StringComparison.java
@@ -23,8 +23,6 @@ package com.intellectualcrafters.plot.util;
 import java.util.ArrayList;
 import java.util.Collections;

-import org.apache.commons.lang.StringUtils;
-
 /**
 * String comparison library
 *
@@ -76,7 +74,7 @@ public class StringComparison<T> {
     * @return match
     */
    public static int compare(final String s1, final String s2) {
-        int distance = StringUtils.getLevenshteinDistance(s1, s2);
+        int distance = StringMan.getLevenshteinDistance(s1, s2);
        if (s2.contains(s1)) {
            distance -= (Math.min(s1.length(), s2.length()));
        }
--- a/src/main/java/com/intellectualcrafters/plot/util/StringMan.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/StringMan.java
@@ -1,5 +1,6 @@
 package com.intellectualcrafters.plot.util;

+import java.util.Collection;
 import java.util.Map;
 import java.util.Map.Entry;

@@ -41,8 +42,107 @@ public class StringMan {
        return sb.toString();
    }
    
+    public static boolean isAlphanumeric(String str) {
+        for (int i=0; i<str.length(); i++) {
+            char c = str.charAt(i);
+            if (c < 0x30 || (c >= 0x3a && c <= 0x40) || (c > 0x5a && c <= 0x60) || c > 0x7a) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    public static boolean isAlpha(String str) {
+        for (int i=0; i<str.length(); i++) {
+            char c = str.charAt(i);
+            if ((c <= 0x40) || (c > 0x5a && c <= 0x60) || c > 0x7a) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    public static String join(Collection<?> collection, String delimiter) {
+        return join(collection.toArray(), delimiter);
+    }
+    
+    public static String join(Collection<?> collection, char delimiter) {
+        return join(collection.toArray(), delimiter + "");
+    }
+    
+    public static boolean isAsciiPrintable(char c) {
+        return (c >= ' ') && (c < '');
+    }
+    
+    public static boolean isAsciiPrintable(String s) {
+        for (char c: s.toCharArray()) {
+            if (!isAsciiPrintable(c)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    public static int getLevenshteinDistance(String s, String t) {
+        int n = s.length();
+        int m = t.length();
+        if (n == 0) {
+            return m;
+        } else if (m == 0) {
+            return n;
+        }
+        if (n > m) {
+            String tmp = s;
+            s = t;
+            t = tmp;
+            n = m;
+            m = t.length();
+        }
+        int p[] = new int[n+1];
+        int d[] = new int[n+1];
+        int _d[];
+        int i;
+        int j;
+        char t_j;
+        int cost;
+        for (i = 0; i<=n; i++) {
+            p[i] = i;
+        }
+        for (j = 1; j<=m; j++) {
+            t_j = t.charAt(j-1);
+            d[0] = j;
+
+            for (i=1; i<=n; i++) {
+                cost = s.charAt(i-1)==t_j ? 0 : 1;
+                d[i] = Math.min(Math.min(d[i-1]+1, p[i]+1),  p[i-1]+cost);
+            }
+            _d = p;
+            p = d;
+            d = _d;
+        }
+        return p[n];
+    }
+    
+    public static String join(Object[] array, String delimiter) {
+        StringBuilder result = new StringBuilder();
+        for (int i = 0, j = array.length; i < j; i++) {
+            if (i > 0) {
+                result.append(delimiter);
+            }
+            result.append(array[i]);
+        }
+        return result.toString();
+    }
+    
    public static boolean isEqual(String a, String b ) {
        return (a == b || (a.length() == b.length() && a.hashCode() == b.hashCode() && a.equals(b)));
    }
-    
+
+    public static String repeat(String s, int n) {
+        final StringBuilder sb = new StringBuilder();
+        for(int i = 0; i < n; i++) {
+            sb.append(s);
+        }
+        return sb.toString();
+    }
 }
--- a/src/main/java/com/intellectualcrafters/plot/util/TaskManager.java
+++ b/src/main/java/com/intellectualcrafters/plot/util/TaskManager.java
@@ -2,15 +2,14 @@ package com.intellectualcrafters.plot.util;

 import java.util.HashMap;
 import java.util.HashSet;
-
-import org.apache.commons.lang.mutable.MutableInt;
+import java.util.concurrent.atomic.AtomicInteger;

 import com.intellectualcrafters.plot.PS;

 public abstract class TaskManager {
    public static HashSet<String> TELEPORT_QUEUE = new HashSet<>();
    
-    public static MutableInt index = new MutableInt(0);
+    public static AtomicInteger index = new AtomicInteger(0);
    public static HashMap<Integer, Integer> tasks = new HashMap<>();

    public static int runTaskRepeat(final Runnable r, final int interval) {