1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xpath.internal.functions;
  22 
  23 import com.sun.org.apache.xml.internal.utils.QName;
  24 import com.sun.org.apache.xpath.internal.XPathContext;
  25 import com.sun.org.apache.xpath.internal.objects.XBoolean;
  26 import com.sun.org.apache.xpath.internal.objects.XObject;
  27 import java.util.List;
  28 
  29 /**
  30  * Execute the False() function.
  31  * @xsl.usage advanced
  32  * @LastModified: Oct 2017
  33  */
  34 public class FuncFalse extends Function
  35 {
  36     static final long serialVersionUID = 6150918062759769887L;
  37 
  38   /**
  39    * Execute the function.  The function must return
  40    * a valid object.
  41    * @param xctxt The current execution context.
  42    * @return A valid XObject.
  43    *
  44    * @throws javax.xml.transform.TransformerException
  45    */
  46   public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
  47   {
  48     return XBoolean.S_FALSE;
  49   }
  50 
  51   /**
  52    * No arguments to process, so this does nothing.
  53    */
  54   public void fixupVariables(List<QName> vars, int globalsSize)
  55   {
  56     // no-op
  57   }
  58 
  59 }