content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE 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 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 1999-2004 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.
   */
  /*
   * $Id: FuncNot.java,v 1.2.4.1 2005/09/14 20:18:44 jeffsuttor Exp $
   */
  package jaxp.sun.org.apache.xpath.internal.functions;
  
  import jaxp.sun.org.apache.xpath.internal.XPathContext;
  import jaxp.sun.org.apache.xpath.internal.objects.XBoolean;
  import jaxp.sun.org.apache.xpath.internal.objects.XObject;
  import jaxp.xml.transform.TransformerException;
  
  /**
   * Execute the Not() function.
   * @xsl.usage advanced
   */
  public class FuncNot extends FunctionOneArg
  {
      static final long serialVersionUID = 7299699961076329790L;
  
    /**
     * Execute the function.  The function must return
     * a valid object.
     * @param xctxt The current execution context.
     * @return A valid XObject.
     *
     * @throws TransformerException
     */
    public XObject execute(XPathContext xctxt) throws TransformerException
    {
      return m_arg0.execute(xctxt).bool() ? XBoolean.S_FALSE : XBoolean.S_TRUE;
    }
  }
  