Coverage Report - org.jaxen.function.ext.UpperFunction

Classes in this File Line Coverage Branch Coverage Complexity
UpperFunction
92% 
100% 
3.5

 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/function/ext/UpperFunction.java,v 1.10 2005/06/28 13:44:45 elharo Exp $
 3  
  * $Revision: 1.10 $
 4  
  * $Date: 2005/06/28 13:44:45 $
 5  
  *
 6  
  * ====================================================================
 7  
  *
 8  
  * Copyright (C) 2000-2002 bob mcwhirter & James Strachan.
 9  
  * All rights reserved.
 10  
  *
 11  
  * Redistribution and use in source and binary forms, with or without
 12  
  * modification, are permitted provided that the following conditions
 13  
  * are met:
 14  
  * 
 15  
  * 1. Redistributions of source code must retain the above copyright
 16  
  *    notice, this list of conditions, and the following disclaimer.
 17  
  *
 18  
  * 2. Redistributions in binary form must reproduce the above copyright
 19  
  *    notice, this list of conditions, and the disclaimer that follows 
 20  
  *    these conditions in the documentation and/or other materials 
 21  
  *    provided with the distribution.
 22  
  *
 23  
  * 3. The name "Jaxen" must not be used to endorse or promote products
 24  
  *    derived from this software without prior written permission.  For
 25  
  *    written permission, please contact license@jaxen.org.
 26  
  * 
 27  
  * 4. Products derived from this software may not be called "Jaxen", nor
 28  
  *    may "Jaxen" appear in their name, without prior written permission
 29  
  *    from the Jaxen Project Management (pm@jaxen.org).
 30  
  * 
 31  
  * In addition, we request (but do not require) that you include in the 
 32  
  * end-user documentation provided with the redistribution and/or in the 
 33  
  * software itself an acknowledgement equivalent to the following:
 34  
  *     "This product includes software developed by the
 35  
  *      Jaxen Project <http://www.jaxen.org/>."
 36  
  * Alternatively, the acknowledgment may be graphical using the logos 
 37  
  * available at http://www.jaxen.org/
 38  
  *
 39  
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 40  
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 41  
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 42  
  * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
 43  
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 44  
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 45  
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 46  
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 47  
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 48  
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 49  
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 50  
  * SUCH DAMAGE.
 51  
  *
 52  
  * ====================================================================
 53  
  * This software consists of voluntary contributions made by many 
 54  
  * individuals on behalf of the Jaxen Project and was originally 
 55  
  * created by bob mcwhirter <bob@werken.com> and 
 56  
  * James Strachan <jstrachan@apache.org>.  For more information on the 
 57  
  * Jaxen Project, please see <http://www.jaxen.org/>.
 58  
  * 
 59  
  * $Id: UpperFunction.java,v 1.10 2005/06/28 13:44:45 elharo Exp $
 60  
  */
 61  
 
 62  
 package org.jaxen.function.ext;
 63  
 
 64  
 import java.util.List;
 65  
 import java.util.Locale;
 66  
 
 67  
 import org.jaxen.Context;
 68  
 import org.jaxen.FunctionCallException;
 69  
 import org.jaxen.Navigator;
 70  
 import org.jaxen.function.StringFunction;
 71  
 
 72  
 /**
 73  
  * <p><code><i>string</i> upper-case(<i>string</i>)</code>
 74  
  *
 75  
  * This function can take a second parameter of the 
 76  
  * <code>Locale</code> to use for the String conversion.
 77  
  * </p>
 78  
  *
 79  
  * <p>
 80  
  * For example
 81  
  *
 82  
  * <code>upper-case( /foo/bar )</code>
 83  
  * <code>upper-case( /foo/@name, $myLocale )</code>
 84  
  * </p>
 85  
  *
 86  
  * @author mark wilson (markw@wilsoncom.de)
 87  
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 88  
  */
 89  288
 public class UpperFunction extends LocaleFunctionSupport
 90  
 {
 91  
     public Object call(Context context,
 92  
                        List args) throws FunctionCallException
 93  
     {
 94  96
         Navigator navigator = context.getNavigator();
 95  96
         int size = args.size();
 96  96
         if (size > 0)
 97  
         {
 98  96
             Object text = args.get(0);
 99  96
             Locale locale = null;
 100  96
             if (size > 1)
 101  
             {  
 102  72
                 locale = getLocale( args.get(1), navigator );
 103  
             }
 104  96
             return evaluate( text, locale, navigator );
 105  
         }
 106  0
         throw new FunctionCallException( "upper-case() requires at least one argument." );
 107  
     }
 108  
 
 109  
     /**
 110  
      * Converts the given string value to upper case using an optional Locale
 111  
      * 
 112  
      * @param strArg the value which gets converted to a String
 113  
      * @param locale the Locale to use for the conversion or null if
 114  
      *        English should be used
 115  
      * @param nav the Navigator to use
 116  
      */
 117  
     public static String evaluate(Object strArg,
 118  
                                   Locale locale,
 119  
                                   Navigator nav)
 120  
     {
 121  
 
 122  96
         String str   = StringFunction.evaluate( strArg,
 123  
                                                 nav );
 124  
         // it might be possible to use the xml:lang attribute to
 125  
         // pick a default locale
 126  96
         if (locale == null) locale = Locale.ENGLISH;
 127  96
         return str.toUpperCase(locale);
 128  
     }
 129  
 }