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Java > Open Source Codes > org > apache > fop > fo > expr > NearestSpecPropFunction


1 /*
2  * $Id: NearestSpecPropFunction.java,v 1.2.2.1 2003/02/25 12:56:58 jeremias Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
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6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
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9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
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13  * this list of conditions and the following disclaimer.
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15  * 2. Redistributions in binary form must reproduce the above copyright notice,
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22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
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32  * Apache Software Foundation.
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46  * This software consists of voluntary contributions made by many individuals
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48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.fo.expr;
52
53 import org.apache.fop.fo.Property;
54
55 public class NearestSpecPropFunction extends FunctionBase {
56
57     public int nbArgs() {
58         return 1;
59     }
60
61     public Property eval(Property[] args,
62                          PropertyInfo pInfo) throws PropertyException {
63         String JavaDoc propName = args[0].getString();
64         if (propName == null) {
65             throw new PropertyException("Incorrect parameter to from-nearest-specified-value function");
66         }
67         // NOTE: special cases for shorthand property
68 // Should return COMPUTED VALUE
69 return pInfo.getPropertyList().getNearestSpecified(propName);
70     }
71
72 }
73
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