org.argeo.cms.ui/src/org/argeo/cms/ui/jcr/PropertiesContentProvider.java

   1 package org.argeo.cms.ui.jcr;
   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.eclipse.ui.EclipseUiException;
  12 import org.argeo.eclipse.ui.jcr.util.JcrItemsComparator;
  13 import org.eclipse.jface.viewers.IStructuredContentProvider;
  14 import org.eclipse.jface.viewers.Viewer;
  15
  16 /** Simple content provider that displays all properties of a given Node */
  17 public class PropertiesContentProvider implements IStructuredContentProvider {
  18         private static final long serialVersionUID = 5227554668841613078L;
  19         private JcrItemsComparator itemComparator = new JcrItemsComparator();
  20
  21         public void dispose() {
  22         }
  23
  24         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  25         }
  26
  27         public Object[] getElements(Object inputElement) {
  28                 try {
  29                         if (inputElement instanceof Node) {
  30                                 Set<Property> props = new TreeSet<Property>(itemComparator);
  31                                 PropertyIterator pit = ((Node) inputElement).getProperties();
  32                                 while (pit.hasNext())
  33                                         props.add(pit.nextProperty());
  34                                 return props.toArray();
  35                         }
  36                         return new Object[] {};
  37                 } catch (RepositoryException e) {
  38                         throw new EclipseUiException("Cannot get element for "
  39                                         + inputElement, e);
  40                 }
  41         }
  42 }