Coverage report

  %line %branch
org.apache.jetspeed.portlet.webcontent.WebContentHistoryList
0% 
0% 

 1   
 /*
 2   
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3   
  * contributor license agreements.  See the NOTICE file distributed with
 4   
  * this work for additional information regarding copyright ownership.
 5   
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6   
  * (the "License"); you may not use this file except in compliance with
 7   
  * the License.  You may obtain a copy of the License at
 8   
  *
 9   
  *      http://www.apache.org/licenses/LICENSE-2.0
 10   
  *
 11   
  * Unless required by applicable law or agreed to in writing, software
 12   
  * distributed under the License is distributed on an "AS IS" BASIS,
 13   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14   
  * See the License for the specific language governing permissions and
 15   
  * limitations under the License.
 16   
  */
 17   
 
 18   
 package org.apache.jetspeed.portlet.webcontent;
 19   
 
 20   
 import java.io.Serializable;
 21   
 import java.util.ArrayList;
 22   
 import java.util.List;
 23   
 
 24   
 
 25   
 /**
 26   
  * A history of content navigations in the WebContentPortlet
 27   
  *
 28   
  * @author <a href="mailto:dyoung@phase2systems.com">David L Young</a>
 29   
  * @version $Id: $
 30   
  */
 31   
 
 32   
 public class WebContentHistoryList extends Object
 33   
     implements Serializable
 34   
 {
 35   
     int maxLength;
 36   
     List history;
 37   
     int currentIndex;
 38   
 
 39   
     // Constructors
 40   
 
 41   
     public WebContentHistoryList()
 42   
     {
 43  0 
         this( -1 );
 44  0 
     }
 45   
     public WebContentHistoryList( int maxLength )
 46   
     {
 47  0 
         super();
 48   
 
 49  0 
         this.maxLength = maxLength;
 50  0 
         this.history = new ArrayList();
 51  0 
         this.currentIndex = -1;
 52  0 
     }
 53   
 
 54   
     // Methods
 55   
 
 56   
     public boolean isEmpty()
 57   
     {
 58  0 
         return this.history.isEmpty();
 59   
     }
 60   
     public boolean hasCurrentPage()
 61   
     {
 62  0 
         return this.currentIndex >= 0;
 63   
     }
 64   
     public boolean hasPreviousPage()
 65   
     {
 66  0 
         return !isEmpty() && this.currentIndex-1 >= 0;
 67   
     }
 68   
     public boolean hasNextPage()
 69   
     {
 70  0 
         return !isEmpty() && this.currentIndex+1 < class="keyword">this.history.size();
 71   
     }
 72   
 
 73   
     public WebContentHistoryPage getCurrentPage()
 74   
     {
 75  0 
         if (!hasCurrentPage())
 76  0 
             return null ;
 77  0 
         return (WebContentHistoryPage)this.history.get(class="keyword">this.currentIndex);
 78   
     }
 79   
     public WebContentHistoryPage getPreviousPage()
 80   
     {
 81  0 
         if (!hasPreviousPage())
 82  0 
             return null;
 83  0 
         this.currentIndex = class="keyword">this.currentIndex-1;
 84  0 
         return getCurrentPage();
 85   
     }
 86   
     public WebContentHistoryPage getNextPage()
 87   
     {
 88  0 
         if (!hasNextPage())
 89  0 
             return null;
 90  0 
         this.currentIndex = class="keyword">this.currentIndex+1;
 91  0 
         return getCurrentPage();
 92   
     }
 93   
 
 94   
     public void visitPage(WebContentHistoryPage page)
 95   
     {
 96  0 
         if (page==null)
 97  0 
             throw new IllegalArgumentException("WebContentHistoryList.addPage() - non-null page required.");
 98   
 
 99  0 
         int i = this.history.indexOf(page);
 100  0 
         if (i >= 0 && i == this.currentIndex)
 101   
         {
 102   
             // just visiting the current page
 103  0 
             return;
 104   
         }
 105   
 
 106   
         // otherwise - new page...
 107  0 
         while (hasNextPage())
 108   
         {
 109   
             // ...visiting a page discards any pages we have visited by going "back"
 110  0 
             this.history.remove(class="keyword">this.currentIndex+1);
 111   
         }
 112  0 
         if (i >= 0 && i < history.size())
 113   
         {
 114   
             // ...actually, new visit to an old page, only keep one reference to it
 115  0 
             this.history.remove(i);
 116   
         }
 117   
 
 118   
         // add in the new page, at the end
 119  0 
         this.history.add(page);
 120  0 
         this.currentIndex = class="keyword">this.history.size()-1;
 121   
 
 122   
         // System.out.println("WebContentHistoryList.visitPage() - current index is: "+this.currentIndex+"\nhistory list..."+ArrayUtils.toString(this.history));
 123  0 
     }
 124   
 }

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.