//--------------------------------------------------------------------------
// Copyright (c) 1998-2004, Drew Davidson and Luke Blanshard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// Neither the name of the Drew Davidson nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//--------------------------------------------------------------------------
package ariba.util.expr;
import ariba.util.fieldtype.NullTypeInfo;
import ariba.util.fieldtype.TypeInfo;
/**
* @author Luke Blanshard (blanshlu@netscape.net)
* @author Drew Davidson (drew@ognl.org)
*/
class ASTDivide extends ExpressionNode
{
public ASTDivide(int id) {
super(id);
}
public ASTDivide(ExprParser p, int id) {
super(p, id);
}
protected Object getValueBody( ExprContext context, Object source ) throws ExprException
{
Object v1 = children[0].getValue( context, source );
Object v2 = children[1].getValue( context, source );
TypeInfo v1Info = children[0].getTypeInfo();
if (v1Info == null || v1Info instanceof NullTypeInfo) {
v1Info = getTypeInfo();
}
return ExprOps.divide(
v1,
v2,
v1Info != null? v1Info.getName(): null);
}
public String getExpressionOperator(int index)
{
return "/";
}
public int getExpressionType ()
{
return ArithmeticExpression;
}
}