org.argeo.cms.ui/src/org/argeo/eclipse/ui/jcr/QueryTableContentProvider.java

   1 package org.argeo.eclipse.ui.jcr;
   2
   3 import javax.jcr.NodeIterator;
   4 import javax.jcr.RepositoryException;
   5 import javax.jcr.query.Query;
   6
   7 import org.argeo.jcr.JcrException;
   8 import org.argeo.jcr.JcrUtils;
   9 import org.eclipse.jface.viewers.IStructuredContentProvider;
  10 import org.eclipse.jface.viewers.Viewer;
  11
  12 /** Content provider based on a JCR {@link Query}. */
  13 public class QueryTableContentProvider implements IStructuredContentProvider {
  14         private static final long serialVersionUID = 760371460907204722L;
  15
  16         @Override
  17         public void dispose() {
  18         }
  19
  20         @Override
  21         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  22         }
  23
  24         @Override
  25         public Object[] getElements(Object inputElement) {
  26                 Query query = (Query) inputElement;
  27                 try {
  28                         NodeIterator nit = query.execute().getNodes();
  29                         return JcrUtils.nodeIteratorToList(nit).toArray();
  30                 } catch (RepositoryException e) {
  31                         throw new JcrException(e);
  32                 }
  33         }
  34
  35 }