1   package com.atlassian.user.impl.delegation.properties;
2   
3   import com.atlassian.user.Entity;
4   import com.atlassian.user.EntityException;
5   import com.atlassian.user.properties.PropertySetFactory;
6   import com.atlassian.util.profiling.UtilTimerStack;
7   import com.opensymphony.module.propertyset.PropertySet;
8   
9   import java.util.List;
10  import java.util.Collections;
11  
12  /**
13   * A propertyset factory implementation which delegates out to
14   * a number of propertyset factories
15   */
16  
17  public class DelegatingPropertySetFactory implements PropertySetFactory
18  {
19      private final List<PropertySetFactory> propertySetFactories;
20  
21      public DelegatingPropertySetFactory(List<PropertySetFactory> propertySetFactories)
22      {
23          this.propertySetFactories = propertySetFactories;
24      }
25  
26      public PropertySet getPropertySet(Entity entity) throws EntityException
27      {
28          if (UtilTimerStack.isActive())
29              UtilTimerStack.push(this.getClass().getName() + "_delegating_getPropertySet(" + entity.getName() + ")");
30  
31          for (PropertySetFactory propertySetFactory : propertySetFactories)
32          {
33              PropertySet propertySet = propertySetFactory.getPropertySet(entity);
34              if (propertySet != null)
35              {
36                  if (UtilTimerStack.isActive())
37                      UtilTimerStack.pop(this.getClass().getName() + "_delegating_getPropertySet(" + entity.getName() + ")");
38  
39                  return propertySet;
40              }
41          }
42  
43          if (UtilTimerStack.isActive())
44              UtilTimerStack.pop(this.getClass().getName() + "_delegating_getPropertySet(" + entity.getName() + ")");
45  
46          return null;
47      }
48  
49      public List<PropertySetFactory> getPropertySetFactories()
50      {
51          return Collections.unmodifiableList(propertySetFactories);
52      }
53  }