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/*******************************************************************************
* Copyright (c) 2006, 2007 Oracle Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Cameron Bateman/Oracle - initial API and implementation
*
********************************************************************************/
package org.eclipse.jst.jsf.common.internal.types;
/**
* Common super-type for Float and Integer literals
* @author cbateman
*
*/
public abstract class NumericTypeLiteral extends LiteralType
{
/**
* @param signature
*/
protected NumericTypeLiteral(String signature)
{
super(signature);
}
/**
* @return the boxed form of the numeric literal value
*/
protected abstract Number getBoxedValue();
public Number coerceToNumber(Class T) throws TypeCoercionException
{
Number boxedLiteralValue = getBoxedValue();
if (T == Double.class || T == Double.TYPE)
{
return new Double(boxedLiteralValue.doubleValue());
}
else if (T == Float.class || T == Float.TYPE)
{
return new Float(boxedLiteralValue.floatValue());
}
else if (T == Long.class || T == Long.TYPE)
{
return boxedLiteralValue;
}
else if (T == Integer.class || T == Integer.TYPE)
{
return Integer.valueOf(boxedLiteralValue.intValue());
}
else if (T == Short.class || T == Short.TYPE)
{
return Short.valueOf(boxedLiteralValue.shortValue());
}
else if (T == Byte.class || T == Byte.TYPE)
{
return Byte.valueOf(boxedLiteralValue.byteValue());
}
else
{
return null;
}
}
public String getLiteralValue()
{
return getBoxedValue().toString();
}
public Object getLiteralValueRaw()
{
return getBoxedValue();
}
/* (non-Javadoc)
* @see org.eclipse.jst.jsf.core.internal.types.LiteralType#coerceToBoolean()
*/
public Boolean coerceToBoolean() throws TypeCoercionException {
// JSP.2.8.5 does not provide for number -> boolean coercion
throw new TypeCoercionException("Cannot coerce number to boolean"); //$NON-NLS-1$
}
}
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