browser/PropertiesContentProvider.java

   1 package org.argeo.jcr.ui.explorer.browser;
   2
   3 import java.util.Set;
   4 import java.util.TreeSet;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.Property;
   8 import javax.jcr.PropertyIterator;
   9 import javax.jcr.RepositoryException;
  10
  11 import org.argeo.ArgeoException;
  12 import org.argeo.eclipse.ui.jcr.utils.JcrItemsComparator;
  13 import org.eclipse.jface.viewers.IStructuredContentProvider;
  14 import org.eclipse.jface.viewers.Viewer;
  15
  16 public class PropertiesContentProvider implements IStructuredContentProvider {
  17         private JcrItemsComparator itemComparator = new JcrItemsComparator();
  18
  19         public void dispose() {
  20         }
  21
  22         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  23         }
  24
  25         public Object[] getElements(Object inputElement) {
  26                 try {
  27                         if (inputElement instanceof Node) {
  28                                 Set<Property> props = new TreeSet<Property>(itemComparator);
  29                                 PropertyIterator pit = ((Node) inputElement).getProperties();
  30                                 while (pit.hasNext())
  31                                         props.add(pit.nextProperty());
  32                                 return props.toArray();
  33                         }
  34                         return new Object[] {};
  35                 } catch (RepositoryException e) {
  36                         throw new ArgeoException("Cannot get element for " + inputElement,
  37                                         e);
  38                 }
  39         }
  40
  41 }