Coverage report

  %line %branch
nl.toolforge.karma.core.cmd.CommandDescriptorMap
76% 
86% 

 1   
 /*
 2   
 * Created on Oct 17, 2004
 3   
 */
 4   
 package nl.toolforge.karma.core.cmd;
 5   
 
 6   
 import java.util.Collection;
 7   
 import java.util.HashMap;
 8   
 import java.util.HashSet;
 9   
 import java.util.Iterator;
 10   
 import java.util.Map;
 11   
 import java.util.Set;
 12   
 
 13   
 /**
 14   
  * @author W.M. Oosterom
 15   
  */
 16   
 public class CommandDescriptorMap {
 17   
 
 18  78 
   private Map map = new HashMap();
 19   
 
 20  78 
   public CommandDescriptorMap() {
 21   
     // Empty
 22  78 
   }
 23   
 
 24   
   /**
 25   
    *
 26  95 
    * @param newDescriptor
 27   
    */
 28   
   public void add(CommandDescriptor newDescriptor) {
 29   
 
 30  35 
     if (newDescriptor == null) {
 31  0 
       return;
 32  95 
     }
 33  95 
 
 34  95 
     // Create a set of identifiers for this command descriptor
 35   
     //
 36  130 
     Set identifiers = new HashSet();
 37  130 
     if (newDescriptor.getName() != null) {
 38  35 
       identifiers.add(newDescriptor.getName());
 39  95 
     }
 40  35 
     if (newDescriptor.getAliasList() != null) {
 41  35 
       identifiers.addAll(newDescriptor.getAliasList());
 42   
     }
 43  35 
     identifiers.remove(null);
 44   
 
 45   
     // If map already contains a key, that is also found in identifiers
 46  95 
     // than do not add the current command descriptor, but add the current
 47  95 
     // aliases that were not yet registered to the commanddescriptor that
 48  304 
     // was already put in map before
 49  304 
     //
 50  111 
     String alreadyContainsKey = null;
 51  35 
     for (Iterator i = identifiers.iterator(); i.hasNext();) {
 52  112 
       String currentAlias = (String) i.next();
 53  207 
       if (map.containsKey(currentAlias)) {
 54  28 
         alreadyContainsKey = currentAlias;
 55   
       }
 56   
     }
 57  54 
     if (alreadyContainsKey != null) {
 58  19 
       // map already contains this command descriptor; add
 59  76 
       // missing aliases
 60  76 
       //
 61  7 
       CommandDescriptor existingDescriptor = (CommandDescriptor) map.get(alreadyContainsKey);
 62  7 
       for (Iterator i = identifiers.iterator(); i.hasNext();) {
 63  28 
         String currentAlias = (String) i.next();
 64  28 
         if (!map.containsKey(currentAlias)) {
 65  0 
           map.put(currentAlias, existingDescriptor);
 66   
         }
 67  76 
       }
 68  228 
     } else {
 69   
       // map did not yet contains this command descriptor
 70   
       //
 71  123 
       for (Iterator i = identifiers.iterator(); i.hasNext();) {
 72  84 
         map.put(i.next(), newDescriptor);
 73   
       }
 74   
     }
 75  35 
   }
 76   
 
 77   
   /**
 78   
    * Adds all objects in <code>anotherMap</code> to this <code>CommandDescriptorMap</code>.
 79   
    *
 80   
    * @param anotherMap A <code>CommandDescriptorMap</code> instance.
 81   
    */
 82   
   public void addAll(CommandDescriptorMap anotherMap) {
 83   
 
 84  0 
     for (Iterator i = anotherMap.keySet().iterator(); i.hasNext();) {
 85  0 
       String key = (String) i.next();
 86  0 
       map.put(key, anotherMap.get(key));
 87   
     }
 88  0 
   }
 89   
 
 90   
   /**
 91   
    * Returns this <code>CommandDescriptorMap</code>s values.
 92   
    */
 93   
   public Collection values() {
 94  0 
     return map.values();
 95   
   }
 96   
 
 97   
   /**
 98   
    * Returns a Collection view of all keys in this <code>CommandDescriptorMap</code>.
 99  38 
    *
 100   
    * @return A Collection view of all keys in this <code>CommandDescriptorMap</code>.
 101   
    */
 102   
   public Collection keySet() {
 103  14 
     return map.keySet();
 104   
   }
 105   
 
 106   
   /**
 107   
    * Returns a <code>CommandDescriptor</code> instance identified by the key <code>name</code>.
 108   
    *
 109   
    * @param name A command descriptor name. Acts as key for the <code>CommandDescriptorMap</code>.
 110  76 
    *
 111   
    * @return
 112   
    */
 113  76 
   public CommandDescriptor get(String name) {
 114  28 
     if (name == null) {
 115  0 
       return null;
 116   
     }
 117  28 
     return (CommandDescriptor) map.get(name);
 118   
   }
 119   
 
 120   
   /**
 121   
    * Returns the number of keys in this <code>CommandDescriptorMap</code>.
 122  38 
    *
 123   
    * @return The number of keys in this <code>CommandDescriptorMap</code>.
 124   
    */
 125   
   public int size() {
 126  14 
     return keySet().size();
 127   
 
 128   
   }
 129   
 }

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