Coverage report

  %line %branch
org.apache.commons.jelly.tags.util.SortTag
89% 
96% 

 1  
 /*
 2  
  * Copyright 2002,2004 The Apache Software Foundation.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *      http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 
 17  
 package org.apache.commons.jelly.tags.util;
 18  
 
 19  
 import java.util.ArrayList;
 20  
 import java.util.Collections;
 21  
 import java.util.List;
 22  
 
 23  
 import org.apache.commons.beanutils.BeanComparator;
 24  
 import org.apache.commons.jelly.JellyTagException;
 25  
 import org.apache.commons.jelly.MissingAttributeException;
 26  
 import org.apache.commons.jelly.TagSupport;
 27  
 import org.apache.commons.jelly.XMLOutput;
 28  
 
 29  3
 public class SortTag extends TagSupport {
 30  
 
 31  
     /** things to sort */
 32  
     private List items;
 33  
     
 34  
     /** the variable to store the result in */
 35  
     private String var;
 36  
     
 37  
     /** property of the beans to sort on, if any */
 38  
     private String property;
 39  
     
 40  
     // Tag interface
 41  
     //-------------------------------------------------------------------------
 42  
     public void doTag(final XMLOutput output) throws JellyTagException {
 43  3
         if (var == null)
 44  
         {
 45  0
             throw new MissingAttributeException("var");
 46  
         }
 47  
         
 48  3
         if (items == null) {
 49  0
             throw new MissingAttributeException("items");
 50  
         }
 51  
         
 52  3
         List sorted = new ArrayList(items);
 53  3
         if (property == null) {
 54  1
             Collections.sort(sorted);
 55  
         } else {
 56  2
             BeanComparator comparator = new BeanComparator(property);
 57  2
             Collections.sort(sorted, comparator);
 58  
         }
 59  3
         context.setVariable(var, sorted);
 60  3
     }
 61  
     
 62  
     /**
 63  
      * Set the items to be sorted
 64  
      * @param newItems some collection
 65  
      */
 66  
     public void setItems(List newItems) {
 67  3
         items = newItems;
 68  3
     }
 69  
     
 70  
     /**
 71  
      * The variable to hold the sorted collection.
 72  
      * @param newVar the name of the variable.
 73  
      */
 74  
     public void setVar(String newVar) {
 75  3
         var = newVar;
 76  3
     }
 77  
     
 78  
     public void setProperty(String newProperty)
 79  
     {
 80  2
         property = newProperty;
 81  2
     }
 82  
 }

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