/*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.myfaces.convert;
/**
* TODO: Move to util package and rename to better name
*
* @author Manfred Geiler (latest modification by $Author$)
* @version $Revision$ $Date$
*/
public final class ConverterUtils
{
//private static final Log log = LogFactory.getLog(ConverterUtils.class);
private ConverterUtils() {}
public static int convertToInt(Object value)
{
if (value instanceof Number)
{
return ((Number)value).intValue();
}
else if (value instanceof String)
{
try
{
return Integer.parseInt((String)value);
}
catch (NumberFormatException e)
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to int");
}
}
else
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to int");
}
}
public static boolean convertToBoolean(Object value)
{
if (value instanceof Boolean)
{
return ((Boolean)value).booleanValue();
}
else if (value instanceof String)
{
try
{
return new Boolean((String)value).booleanValue();
}
catch (Exception e)
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to boolean");
}
}
else
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to boolean");
}
}
public static long convertToLong(Object value)
{
if (value instanceof Number)
{
return ((Number)value).longValue();
}
else if (value instanceof String)
{
try
{
return Long.parseLong((String)value);
}
catch (NumberFormatException e)
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to long");
}
}
else
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to long");
}
}
public static double convertToDouble(Object value)
{
if (value instanceof Number)
{
return ((Number)value).doubleValue();
}
else if (value instanceof String)
{
try
{
return Double.parseDouble((String)value);
}
catch (NumberFormatException e)
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to double");
}
}
else
{
throw new IllegalArgumentException("Cannot convert " + value.toString() + " to double");
}
}
}