--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/javasrc/javax/microedition/lcdui/TextComponent.java	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+package javax.microedition.lcdui;
+
+// Utility class for TextField and TextBox
+
+final class TextComponent
+{
+
+    public static void checkText(String aText,int aMaxSize)
+    {
+        if (aText == null)
+            aText = "";
+        if (aMaxSize <= 0 || aText.length() > aMaxSize)
+            throw new IllegalArgumentException();
+    }
+
+    public static void checkOffset(int aOffset,int aLength,int aSize)
+    {
+        if (aOffset == 0 && aLength == 0 && aSize == 0)
+        {
+            return;
+        }
+
+        if (aOffset <0 || aOffset > aSize-1 || (aOffset+aLength) > aSize || aLength <0)
+        {
+            throw new StringIndexOutOfBoundsException();
+        }
+    }
+
+    public static int getCharsFromString(String aString,int aSize,char[] aData)
+    {
+        if (aData.length < aSize)
+            throw new ArrayIndexOutOfBoundsException();
+        aString.getChars(0,aSize,aData,0);
+        return aSize;
+    }
+
+    public static String getStringFromChars(char[] aChar,int aOffset,int aLength)
+    {
+        String string;
+        if (aChar == null)
+            return "";
+        try
+        {
+            string = new String(aChar,aOffset,aLength);
+        }
+        catch (StringIndexOutOfBoundsException aException)
+        {
+            throw new ArrayIndexOutOfBoundsException();
+        }
+        return string;
+    }
+
+    public static void checkConstraints(int aConstraints)
+    {
+        final int constraints = (aConstraints & TextField.CONSTRAINT_MASK);
+        //
+        switch (constraints)
+        {
+        case TextField.ANY:
+        case TextField.EMAILADDR:
+        case TextField.NUMERIC:
+        case TextField.PHONENUMBER:
+        case TextField.URL:
+        case TextField.DECIMAL:
+        {
+            final int modifier = (aConstraints & ~TextField.CONSTRAINT_MASK);
+            if (modifier == 0 || (modifier >= 0x10000 && modifier <= 0x3F0000))
+                return;
+        }
+        default:
+            break;
+        }
+        throw new IllegalArgumentException();
+    }
+
+} // class TextComponent
+
+