Package ognl

Source Code of ognl.ASTNotIn

//--------------------------------------------------------------------------
//  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 ognl;

import ognl.enhance.UnsupportedCompilationException;

/**
* @author Luke Blanshard (blanshlu@netscape.net)
* @author Drew Davidson (drew@ognl.org)
*/
class ASTNotIn extends SimpleNode implements NodeType
{
    public ASTNotIn(int id) {
        super(id);
    }

    public ASTNotIn(OgnlParser p, int id) {
        super(p, id);
    }

    protected Object getValueBody( OgnlContext context, Object source ) throws OgnlException
    {
        Object v1 = _children[0].getValue( context, source );
        Object v2 = _children[1].getValue( context, source );
        return OgnlOps.in( v1, v2 )? Boolean.FALSE : Boolean.TRUE;
    }

    public String toString()
    {
        return _children[0] + " not in " + _children[1];
    }
   
    public Class getGetterClass()
    {
        return Boolean.TYPE;
    }
   
    public Class getSetterClass()
    {
        return null;
    }
   
    public String toGetSourceString(OgnlContext context, Object target)
    {
        try {
            String result = "(! ognl.OgnlOps.in( ($w) ";
           
            result += OgnlRuntime.getChildSource(context, target, _children[0]) + ", ($w) " + OgnlRuntime.getChildSource(context, target, _children[1]);
           
            result += ") )";

            context.setCurrentType(Boolean.TYPE);

            return result;
        } catch (NullPointerException e) {
           
            // expected to happen in some instances
            e.printStackTrace();
           
            throw new UnsupportedCompilationException("evaluation resulted in null expression.");
        } catch (Throwable t)
        {
            throw OgnlOps.castToRuntime(t);
        }
    }
}
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