/*
* Primitive Collections for Java.
* Copyright (C) 2002, 2003 Søren Bak
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.uwyn.jhighlight.pcj.util;
/**
* This class provides static methods for display of collection
* elements. It is only provided as a utility class for the collection
* implementations and is not a part of the API.
*
* @author Søren Bak
* @version 1.2 21-08-2003 20:25
*/
public class Display
{
public static String display(boolean v)
{
return String.valueOf(v);
}
public static String display(byte v)
{
return String.valueOf(v);
}
public static String display(short v)
{
return String.valueOf(v);
}
public static String display(int v)
{
return String.valueOf(v);
}
public static String display(long v)
{
return String.valueOf(v);
}
public static String display(float v)
{
return String.valueOf(v);
}
public static String display(double v)
{
return String.valueOf(v);
}
public static String display(char v)
{
return "'"+(displayChars.indexOf(v)!=-1? String.valueOf(v) :hexChar(v))+"'";
}
private static final String displayChars =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!\"#�%&/()=?\'@�${[]}+|^~*-_.:,;<>\\";
static String hexChar(char v)
{
String s = Integer.toHexString(v);
switch (s.length())
{
case 1: return "\\u000"+s;
case 2: return "\\u00"+s;
case 3: return "\\u0"+s;
case 4: return "\\u"+s;
default:
throw new RuntimeException("Internal error");
}
}
}