Some refactoring and cleaning, string utils.

src/mightypork/utils/Convert.java

@@ -114,12 +114,12 @@ public class Convert {
 		if (o == null) return def;
 		if (o instanceof String) return ((String) o);
 		
-		if (o instanceof Float) return Support.str((float) o);
+		if (o instanceof Float) return Str.val((float) o);
 		
-		if (o instanceof Double) return Support.str((double) o);
+		if (o instanceof Double) return Str.val((double) o);
 		
 		if (o instanceof Class<?>) {
-			return Support.str(o);
+			return Str.val(o);
 		}
 		
 		return o.toString();

src/mightypork/utils/Reflect.java

@@ -65,7 +65,7 @@ public class Reflect {
 			return classes;
 		}
 		
-		throw new RuntimeException(Support.str(clazz) + " is not generic.");
+		throw new RuntimeException(Str.val(clazz) + " is not generic.");
 	}
 	
 	
@@ -86,7 +86,7 @@ public class Reflect {
 		final int modif = fld.getModifiers();
 		
 		if (!Modifier.isFinal(modif) || !Modifier.isStatic(modif)) {
-			throw new ReflectiveOperationException("The " + fieldName + " field of " + Support.str(objClass) + " must be static and final!");
+			throw new ReflectiveOperationException("The " + fieldName + " field of " + Str.val(objClass) + " must be static and final!");
 		}
 		
 		fld.setAccessible(true);

src/mightypork/utils/Str.java

@@ -0,0 +1,231 @@
+package mightypork.utils;
+
+
+import mightypork.utils.annotations.Alias;
+import mightypork.utils.math.AlignX;
+
+
+/**
+ * General purpose string utilities
+ *
+ * @author Ondřej Hruška (MightyPork)
+ */
+public class Str {
+	
+	public static String fromLastDot(String s)
+	{
+		return fromLast(s, '.');
+	}
+	
+	
+	public static String toLastDot(String s)
+	{
+		return toLast(s, '.');
+	}
+	
+	
+	public static String fromLast(String s, char c)
+	{
+		if (s == null) return null;
+		if (s.lastIndexOf(c) == -1) return "";
+		return s.substring(s.lastIndexOf(c) + 1, s.length());
+	}
+	
+	
+	public static String toLast(String s, char c)
+	{
+		if (s == null) return null;
+		if (s.lastIndexOf(c) == -1) return s;
+		return s.substring(0, s.lastIndexOf(c));
+	}
+	
+	
+	public static String fromFirst(String s, char c)
+	{
+		if (s == null) return null;
+		if (s.indexOf(c) == -1) return "";
+		return s.substring(s.indexOf(c) + 1, s.length());
+	}
+	
+	
+	public static String toFirst(String s, char c)
+	{
+		if (s == null) return null;
+		if (s.indexOf(c) == -1) return s;
+		return s.substring(0, s.indexOf(c));
+	}
+
+
+	public static String fromEnd(String s, int chars)
+	{
+		return s.substring(s.length() - chars, s.length());
+	}
+
+
+	public static String fromStart(String s, int chars)
+	{
+		return s.substring(0, chars);
+	}
+	
+	
+	public static String pad(String s, int length)
+	{
+		return pad(s, length, AlignX.LEFT);
+	}
+	
+	
+	public static String pad(String s, int length, AlignX align)
+	{
+		return pad(s, length, align, ' ');
+	}
+	
+	
+	public static String pad(String s, int length, AlignX align, char fill)
+	{
+		final String filling = repeat("" + fill, length);
+		
+		switch (align) {
+			case LEFT:
+				s += filling;
+				return fromStart(s, length);
+
+			case RIGHT:
+				s += filling;
+				return fromEnd(s, length);
+
+			case CENTER:
+				
+				if (s.length() >= length) return s;
+				
+				s = filling + s + filling;
+				
+				final int cut = (int) (s.length() / 2D - length / 2D);
+				return s.substring(cut, s.length() - cut);
+		}
+
+		throw new IllegalArgumentException("Impossible error.");
+	}
+	
+	
+	/**
+	 * Repeat a string
+	 *
+	 * @param repeated string
+	 * @param count
+	 * @return output
+	 */
+	public static String repeat(String repeated, int count)
+	{
+		String s = "";
+		for (int i = 0; i < count; i++)
+			s += repeated;
+		return s;
+	}
+	
+	
+	public static boolean isValidFilenameChar(char ch)
+	{
+		return isValidFilenameString(Character.toString(ch));
+	}
+	
+	
+	public static boolean isValidFilenameString(String filename)
+	{
+		return filename.matches("[a-zA-Z0-9 +\\-.,_%@#!]+");
+	}
+	
+	
+	public static String ellipsisStart(String orig, int length)
+	{
+		if (orig.length() > length) {
+			orig = "\u2026" + orig.substring(length, orig.length());
+		}
+		return orig;
+	}
+	
+	
+	public static String ellipsisEnd(String orig, int length)
+	{
+		if (orig.length() > length) {
+			orig = orig.substring(0, length - 1) + "\u2026";
+		}
+		return orig;
+	}
+	
+	
+	/**
+	 * Convert a class to string, preserving name and outer class, but excluding
+	 * path.
+	 *
+	 * @param cls the class
+	 * @return class name
+	 */
+	public static String val(Class<?> cls)
+	{
+		final Alias ln = cls.getAnnotation(Alias.class);
+		if (ln != null) {
+			return ln.name();
+		}
+
+		String name = cls.getName();
+
+		String sep = "";
+
+		if (name.contains("$")) {
+			name = name.substring(name.lastIndexOf("$") + 1);
+			sep = "$";
+		} else {
+			name = name.substring(name.lastIndexOf(".") + 1);
+			sep = ".";
+		}
+
+		final Class<?> enclosing = cls.getEnclosingClass();
+
+		return (enclosing == null ? "" : Str.val(enclosing) + sep) + name;
+	}
+	
+	
+	/**
+	 * Convert double to string, remove the mess at the end.
+	 *
+	 * @param d double
+	 * @return string
+	 */
+	public static String val(Double d)
+	{
+		String s = d.toString();
+		s = s.replace(',', '.');
+		s = s.replaceAll("([0-9]+\\.[0-9]+)00+[0-9]+", "$1");
+		s = s.replaceAll("0+$", "");
+		s = s.replaceAll("\\.$", "");
+		return s;
+	}
+	
+	
+	/**
+	 * Convert object to string. If the object overrides toString(), it is
+	 * caled. Otherwise it's class name is converted to string.
+	 *
+	 * @param o object
+	 * @return string representation
+	 */
+	public static String val(Object o)
+	{
+		if (o == null) return "<null>";
+
+		boolean hasToString = false;
+
+		try {
+			hasToString = (o.getClass().getMethod("toString").getDeclaringClass() != Object.class);
+		} catch (final Throwable t) {
+			// oh well..
+		}
+
+		if (hasToString) {
+			return o.toString();
+		} else {
+
+			return val(o.getClass());
+		}
+	}
+}

src/mightypork/utils/Support.java

@@ -9,8 +9,6 @@ import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
-import mightypork.utils.annotations.Alias;
-
 
 /**
  * Miscelanous utilities
@@ -201,97 +199,4 @@ public final class Support {
 		}
 
 	}
-	
-	
-	/**
-	 * Convert a class to string, preserving name and outer class, but excluding
-	 * path.
-	 *
-	 * @param cls the class
-	 * @return class name
-	 */
-	public static String str(Class<?> cls)
-	{
-		final Alias ln = cls.getAnnotation(Alias.class);
-		if (ln != null) {
-			return ln.name();
-		}
-		
-		String name = cls.getName();
-		
-		String sep = "";
-		
-		if (name.contains("$")) {
-			name = name.substring(name.lastIndexOf("$") + 1);
-			sep = "$";
-		} else {
-			name = name.substring(name.lastIndexOf(".") + 1);
-			sep = ".";
-		}
-		
-		final Class<?> enclosing = cls.getEnclosingClass();
-		
-		return (enclosing == null ? "" : Support.str(enclosing) + sep) + name;
-	}
-	
-	
-	/**
-	 * Convert double to string, remove the mess at the end.
-	 *
-	 * @param d double
-	 * @return string
-	 */
-	public static String str(Double d)
-	{
-		String s = d.toString();
-		s = s.replace(',', '.');
-		s = s.replaceAll("([0-9]+\\.[0-9]+)00+[0-9]+", "$1");
-		s = s.replaceAll("0+$", "");
-		s = s.replaceAll("\\.$", "");
-		return s;
-	}
-	
-	
-	/**
-	 * Convert float to string, remove the mess at the end.
-	 *
-	 * @param f float
-	 * @return string
-	 */
-	public static String str(Float f)
-	{
-		String s = f.toString();
-		s = s.replaceAll("([0-9]+\\.[0-9]+)00+[0-9]+", "$1");
-		s = s.replaceAll("0+$", "");
-		s = s.replaceAll("\\.$", "");
-		return s;
-	}
-	
-	
-	/**
-	 * Convert object to string. If the object overrides toString(), it is
-	 * caled. Otherwise it's class name is converted to string.
-	 *
-	 * @param o object
-	 * @return string representation
-	 */
-	public static String str(Object o)
-	{
-		if (o == null) return "<null>";
-		
-		boolean hasToString = false;
-		
-		try {
-			hasToString = (o.getClass().getMethod("toString").getDeclaringClass() != Object.class);
-		} catch (final Throwable t) {
-			// oh well..
-		}
-		
-		if (hasToString) {
-			return o.toString();
-		} else {
-			
-			return str(o.getClass());
-		}
-	}
 }

src/mightypork/utils/eventbus/BusEvent.java

@@ -1,6 +1,7 @@
 package mightypork.utils.eventbus;
 
 
+import mightypork.utils.annotations.Stub;
 import mightypork.utils.eventbus.events.flags.DelayedEvent;
 import mightypork.utils.eventbus.events.flags.DirectEvent;
 import mightypork.utils.eventbus.events.flags.NonConsumableEvent;
@@ -58,8 +59,6 @@ public abstract class BusEvent<HANDLER> {
 			throw new UnsupportedOperationException("Not consumable.");
 		}
 
-		(new Throwable()).printStackTrace();
-		
 		consumed = true;
 	}
 
@@ -119,7 +118,9 @@ public abstract class BusEvent<HANDLER> {
 	 *
 	 * @param bus event bus instance
 	 */
+	@Stub
 	public void onDispatchComplete(EventBus bus)
 	{
+		//
 	}
 }

src/mightypork/utils/eventbus/EventBus.java

@@ -10,7 +10,7 @@ import java.util.concurrent.Delayed;
 import java.util.concurrent.TimeUnit;
 
 import mightypork.utils.Reflect;
-import mightypork.utils.Support;
+import mightypork.utils.Str;
 import mightypork.utils.eventbus.clients.DelegatingClient;
 import mightypork.utils.eventbus.events.flags.DelayedEvent;
 import mightypork.utils.eventbus.events.flags.DirectEvent;
@@ -206,7 +206,7 @@ final public class EventBus implements Destroyable {
 		final DelayQueueEntry dm = new DelayQueueEntry(delay, event);
 		
 		if (shallLog(event)) {
-			Log.f3(logMark + "Qu [" + Support.str(event) + "]" + (delay == 0 ? "" : (", delay: " + delay + "s")));
+			Log.f3(logMark + "Qu [" + Str.val(event) + "]" + (delay == 0 ? "" : (", delay: " + delay + "s")));
 		}
 		
 		sendQueue.add(dm);
@@ -224,7 +224,7 @@ final public class EventBus implements Destroyable {
 	{
 		assertLive();
 		
-		if (shallLog(event)) Log.f3(logMark + "Di [" + Support.str(event) + "]");
+		if (shallLog(event)) Log.f3(logMark + "Di [" + Str.val(event) + "]");
 		
 		dispatch(event);
 	}
@@ -234,7 +234,7 @@ final public class EventBus implements Destroyable {
 	{
 		assertLive();
 		
-		if (shallLog(event)) Log.f3(logMark + "Di->sub [" + Support.str(event) + "]");
+		if (shallLog(event)) Log.f3(logMark + "Di->sub [" + Str.val(event) + "]");
 		
 		doDispatch(delegatingClient.getChildClients(), event);
 	}
@@ -254,7 +254,7 @@ final public class EventBus implements Destroyable {
 		
 		clients.add(client);
 		
-		if (detailedLogging) Log.f3(logMark + "Client joined: " + Support.str(client));
+		if (detailedLogging) Log.f3(logMark + "Client joined: " + Str.val(client));
 	}
 	
 	
@@ -269,7 +269,7 @@ final public class EventBus implements Destroyable {
 		
 		clients.remove(client);
 		
-		if (detailedLogging) Log.f3(logMark + "Client left: " + Support.str(client));
+		if (detailedLogging) Log.f3(logMark + "Client left: " + Str.val(client));
 	}
 	
 	
@@ -278,7 +278,7 @@ final public class EventBus implements Destroyable {
 	{
 		try {
 			if (detailedLogging) {
-				Log.f3(logMark + "Setting up channel for new event type: " + Support.str(event.getClass()));
+				Log.f3(logMark + "Setting up channel for new event type: " + Str.val(event.getClass()));
 			}
 			
 			final Class<?> listener = getEventListenerClass(event);
@@ -290,13 +290,13 @@ final public class EventBus implements Destroyable {
 				//channels.flush();
 				
 				if (detailedLogging) {
-					Log.f3(logMark + "Created new channel: " + Support.str(event.getClass()) + " -> " + Support.str(listener));
+					Log.f3(logMark + "Created new channel: " + Str.val(event.getClass()) + " -> " + Str.val(listener));
 				}
 				
 				return true;
 				
 			} else {
-				Log.w(logMark + "Could not create channel for event " + Support.str(event.getClass()));
+				Log.w(logMark + "Could not create channel for event " + Str.val(event.getClass()));
 			}
 			
 		} catch (final Throwable t) {
@@ -362,8 +362,8 @@ final public class EventBus implements Destroyable {
 			break;
 		}
 		
-		if (!accepted) Log.e(logMark + "Not accepted by any channel: " + Support.str(event));
-		if (!event.wasServed() && shallLog(event)) Log.w(logMark + "Not delivered: " + Support.str(event));
+		if (!accepted) Log.e(logMark + "Not accepted by any channel: " + Str.val(event));
+		if (!event.wasServed() && shallLog(event)) Log.w(logMark + "Not delivered: " + Str.val(event));
 	}
 	
 	

src/mightypork/utils/eventbus/EventChannel.java

@@ -5,7 +5,7 @@ import java.util.Collection;
 import java.util.HashSet;
 
 import mightypork.utils.Reflect;
-import mightypork.utils.Support;
+import mightypork.utils.Str;
 import mightypork.utils.eventbus.clients.DelegatingClient;
 import mightypork.utils.eventbus.clients.ToggleableClient;
 import mightypork.utils.eventbus.events.flags.NonRejectableEvent;
@@ -76,7 +76,7 @@ class EventChannel<EVENT extends BusEvent<CLIENT>, CLIENT> {
 			
 			// avoid executing more times
 			if (processed.contains(client)) {
-				Log.w(EventBus.logMark + "Client already served: " + Support.str(client));
+				Log.w(EventBus.logMark + "Client already served: " + Str.val(client));
 				continue;
 			}
 			processed.add(client);
@@ -203,6 +203,6 @@ class EventChannel<EVENT extends BusEvent<CLIENT>, CLIENT> {
 	@Override
 	public String toString()
 	{
-		return "{ " + Support.str(eventClass) + " => " + Support.str(clientClass) + " }";
+		return "{ " + Str.val(eventClass) + " => " + Str.val(clientClass) + " }";
 	}
 }

src/mightypork/utils/eventbus/events/DestroyEvent.java

@@ -4,6 +4,7 @@ package mightypork.utils.eventbus.events;
 import mightypork.utils.eventbus.BusEvent;
 import mightypork.utils.eventbus.events.flags.DirectEvent;
 import mightypork.utils.eventbus.events.flags.NonConsumableEvent;
+import mightypork.utils.eventbus.events.flags.NonRejectableEvent;
 import mightypork.utils.interfaces.Destroyable;
 
 
@@ -14,6 +15,7 @@ import mightypork.utils.interfaces.Destroyable;
  */
 @DirectEvent
 @NonConsumableEvent
+@NonRejectableEvent
 public class DestroyEvent extends BusEvent<Destroyable> {
 
 	@Override

src/mightypork/utils/files/FileTreeDiff.java

@@ -73,10 +73,10 @@ public class FileTreeDiff {
 			ck2.reset();
 			
 			try(FileInputStream in1 = new FileInputStream(pair.a);
-				FileInputStream in2 = new FileInputStream(pair.b)) {
+					FileInputStream in2 = new FileInputStream(pair.b)) {
 				
 				try(CheckedInputStream cin1 = new CheckedInputStream(in1, ck1);
-					CheckedInputStream cin2 = new CheckedInputStream(in2, ck2)) {
+						CheckedInputStream cin2 = new CheckedInputStream(in2, ck2)) {
 					
 					while (true) {
 						final int read1 = cin1.read(BUFFER);

src/mightypork/utils/files/FileUtil.java

@@ -17,8 +17,8 @@ import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 import java.util.List;
 
+import mightypork.utils.Str;
 import mightypork.utils.logging.Log;
-import mightypork.utils.string.StringUtil;
 import mightypork.utils.string.validation.StringFilter;
 
 
@@ -109,7 +109,7 @@ public class FileUtil {
 	{
 		
 		try(InputStream in = new FileInputStream(source);
-				OutputStream out = new FileOutputStream(target)) {
+			OutputStream out = new FileOutputStream(target)) {
 			
 			copyStream(in, out);
 		}
@@ -234,7 +234,7 @@ public class FileUtil {
 	
 	public static String getExtension(String file)
 	{
-		return StringUtil.fromLastChar(file, '.');
+		return Str.fromLast(file, '.');
 	}
 	
 	
@@ -249,13 +249,13 @@ public class FileUtil {
 		String ext, name;
 		
 		try {
-			ext = StringUtil.fromLastDot(filename);
+			ext = Str.fromLastDot(filename);
 		} catch (final StringIndexOutOfBoundsException e) {
 			ext = "";
 		}
 		
 		try {
-			name = StringUtil.toLastDot(filename);
+			name = Str.toLastDot(filename);
 		} catch (final StringIndexOutOfBoundsException e) {
 			name = "";
 			Log.w("Error extracting extension from file " + filename);
@@ -402,13 +402,13 @@ public class FileUtil {
 	
 	public static String getBasename(String name)
 	{
-		return StringUtil.toLastChar(StringUtil.fromLastChar(name, '/'), '.');
+		return Str.toLast(Str.fromLast(name, '/'), '.');
 	}
 	
 	
 	public static String getFilename(String name)
 	{
-		return StringUtil.fromLastChar(name, '/');
+		return Str.fromLast(name, '/');
 	}
 	
 	
@@ -422,7 +422,7 @@ public class FileUtil {
 	public static void resourceToFile(String resname, File file) throws IOException
 	{
 		try(InputStream in = FileUtil.getResource(resname);
-				OutputStream out = new FileOutputStream(file)) {
+			OutputStream out = new FileOutputStream(file)) {
 			
 			FileUtil.copyStream(in, out);
 		}

src/mightypork/utils/files/zip/ZipUtils.java

@@ -140,9 +140,9 @@ public class ZipUtils {
 		if (!destFile.getParentFile().mkdirs()) throw new IOException("Could not create output directory.");
 		
 		try(InputStream in = zip.getInputStream(entry);
-			BufferedInputStream is = new BufferedInputStream(in);
-			FileOutputStream fos = new FileOutputStream(destFile);
-			BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER_SIZE)) {
+				BufferedInputStream is = new BufferedInputStream(in);
+				FileOutputStream fos = new FileOutputStream(destFile);
+				BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER_SIZE)) {
 			
 			FileUtil.copyStream(is, dest);
 		}

src/mightypork/utils/ion/Ion.java

@@ -13,7 +13,7 @@ import java.util.List;
 import java.util.Map;
 
 import mightypork.utils.Reflect;
-import mightypork.utils.Support;
+import mightypork.utils.Str;
 
 
 /**
@@ -116,7 +116,7 @@ public class Ion {
 	{
 		if (!IonBinary.class.isAssignableFrom(objClass)) {
 			if (!IonBundled.class.isAssignableFrom(objClass)) {
-				throw new IllegalArgumentException("Cannot register directly: " + Support.str(objClass));
+				throw new IllegalArgumentException("Cannot register directly: " + Str.val(objClass));
 			}
 		}
 		
@@ -135,7 +135,7 @@ public class Ion {
 	{
 		if (!IonBinary.class.isAssignableFrom(objClass)) {
 			if (!IonBundled.class.isAssignableFrom(objClass)) {
-				throw new IllegalArgumentException("Cannot register directly: " + Support.str(objClass));
+				throw new IllegalArgumentException("Cannot register directly: " + Str.val(objClass));
 			}
 		}
 		
@@ -161,7 +161,7 @@ public class Ion {
 			registerUsingMark(mark, objClass);
 			
 		} catch (final Exception e) {
-			throw new RuntimeException("Could not register " + Support.str(objClass) + " using an ION_MARK field.", e);
+			throw new RuntimeException("Could not register " + Str.val(objClass) + " using an ION_MARK field.", e);
 		}
 	}
 	
@@ -223,7 +223,7 @@ public class Ion {
 		}
 		
 		if (classToMark.containsKey(objClass)) {
-			throw new IllegalArgumentException(Support.str(objClass) + " is already registered.");
+			throw new IllegalArgumentException(Str.val(objClass) + " is already registered.");
 		}
 	}
 	
@@ -376,7 +376,7 @@ public class Ion {
 			inst.load(bundle);
 			return inst;
 		} catch (InstantiationException | IllegalAccessException e) {
-			throw new IOException("Could not instantiate " + Support.str(objClass) + ".");
+			throw new IOException("Could not instantiate " + Str.val(objClass) + ".");
 		}
 	}
 	
@@ -482,7 +482,7 @@ public class Ion {
 	static void assertRegistered(Object obj)
 	{
 		if (!isRegistered(obj)) {
-			throw new RuntimeException("Type not registered: " + Support.str(obj.getClass()));
+			throw new RuntimeException("Type not registered: " + Str.val(obj.getClass()));
 		}
 	}
 	

src/mightypork/utils/logging/Log.java

@@ -7,13 +7,13 @@ import java.io.StringWriter;
 import java.util.HashMap;
 import java.util.logging.Level;
 
+import mightypork.utils.Str;
 import mightypork.utils.annotations.FactoryMethod;
 import mightypork.utils.logging.monitors.LogMonitor;
 import mightypork.utils.logging.monitors.LogMonitorStdout;
 import mightypork.utils.logging.writers.ArchivingLog;
 import mightypork.utils.logging.writers.LogWriter;
 import mightypork.utils.logging.writers.SimpleLog;
-import mightypork.utils.string.StringUtil;
 
 
 /**
@@ -315,7 +315,7 @@ public class Log {
 		final long time_ms = (System.currentTimeMillis() - start_ms);
 		final double time_s = time_ms / 1000D;
 		final String time = String.format("%6.2f ", time_s);
-		final String time_blank = StringUtil.repeat(" ", time.length());
+		final String time_blank = Str.repeat(" ", time.length());
 		
 		String prefix = "[ ? ]";
 		

src/mightypork/utils/logging/writers/ArchivingLog.java

@@ -9,8 +9,8 @@ import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
 
+import mightypork.utils.Str;
 import mightypork.utils.files.FileUtil;
-import mightypork.utils.string.StringUtil;
 
 
 /**
@@ -125,6 +125,6 @@ public class ArchivingLog extends SimpleLog {
 	 */
 	private String getSuffix()
 	{
-		return StringUtil.fromLastChar(getFile().toString(), '.');
+		return Str.fromLast(getFile().toString(), '.');
 	}
 }

src/mightypork/utils/math/timing/Profiler.java

@@ -1,7 +1,7 @@
 package mightypork.utils.math.timing;
 
 
-import mightypork.utils.Support;
+import mightypork.utils.Str;
 
 
 /**
@@ -57,7 +57,7 @@ public class Profiler {
 	 */
 	public static String endStr(long begun)
 	{
-		return Support.str(end(begun)) + " s";
+		return Str.val(end(begun)) + " s";
 	}
 	
 }

src/mightypork/utils/string/StringUtil.java

@@ -1,82 +0,0 @@
-package mightypork.utils.string;
-
-
-/**
- * General purpose string utilities
- *
- * @author Ondřej Hruška (MightyPork)
- */
-public class StringUtil {
-
-	public static String fromLastDot(String s)
-	{
-		return fromLastChar(s, '.');
-	}
-
-
-	public static String toLastDot(String s)
-	{
-		return toLastChar(s, '.');
-	}
-
-
-	public static String fromLastChar(String s, char c)
-	{
-		if (s == null) return null;
-		return s.substring(s.lastIndexOf(c) + 1, s.length());
-	}
-
-
-	public static String toLastChar(String s, char c)
-	{
-		if (s == null) return null;
-		if (s.lastIndexOf(c) == -1) return s;
-		return s.substring(0, s.lastIndexOf(c));
-	}
-
-
-	/**
-	 * Repeat a string
-	 *
-	 * @param repeated string
-	 * @param count
-	 * @return output
-	 */
-	public static String repeat(String repeated, int count)
-	{
-		String s = "";
-		for (int i = 0; i < count; i++)
-			s += repeated;
-		return s;
-	}
-
-
-	public static boolean isValidFilenameChar(char ch)
-	{
-		return isValidFilenameString(Character.toString(ch));
-	}
-
-
-	public static boolean isValidFilenameString(String filename)
-	{
-		return filename.matches("[a-zA-Z0-9 +\\-.,_%@#!]+");
-	}
-
-
-	public static String ellipsisStart(String orig, int length)
-	{
-		if (orig.length() > length) {
-			orig = "\u2026" + orig.substring(length, orig.length());
-		}
-		return orig;
-	}
-
-
-	public static String ellipsisEnd(String orig, int length)
-	{
-		if (orig.length() > length) {
-			orig = orig.substring(0, length - 1) + "\u2026";
-		}
-		return orig;
-	}
-}