/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config.type;
import com.caucho.config.*;
import com.caucho.util.*;
/**
* Represents a float type.
*/
public final class FloatPrimitiveType extends ConfigType
{
private static final L10N L = new L10N(FloatPrimitiveType.class);
public static final FloatPrimitiveType TYPE = new FloatPrimitiveType();
private static final Float ZERO = new Float(0F);
/**
* The FloatPrimitiveType is a singleton
*/
private FloatPrimitiveType()
{
}
/**
* Returns the Java type.
*/
public Class getType()
{
return float.class;
}
/**
* Converts the string to a value of the type.
*/
public Object valueOf(String text)
{
if (text == null || text.length() == 0)
return ZERO;
else
return Float.valueOf(text);
}
/**
* Converts the value to a value of the type.
*/
public Object valueOf(Object value)
{
if (value instanceof Float)
return value;
else if (value == null)
return ZERO;
else if (value instanceof String)
return valueOf((String) value);
else if (value instanceof Number)
return new Float(((Number) value).floatValue());
else
throw new ConfigException(L.l("'{0}' cannot be converted to an float",
value));
}
}