org.argeo.cms/src/org/argeo/cms/internal/JcrContentProvider.java

   1 package org.argeo.cms.internal;
   2
   3 import java.util.ArrayList;
   4
   5 import javax.jcr.Node;
   6 import javax.jcr.NodeIterator;
   7 import javax.jcr.RepositoryException;
   8
   9 import org.argeo.cms.CmsException;
  10 import org.eclipse.jface.viewers.ITreeContentProvider;
  11 import org.eclipse.jface.viewers.Viewer;
  12
  13 @Deprecated
  14 class JcrContentProvider implements ITreeContentProvider {
  15         private static final long serialVersionUID = -1333678161322488674L;
  16
  17         @Override
  18         public void dispose() {
  19         }
  20
  21         @Override
  22         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  23                 if (newInput == null)
  24                         return;
  25                 if (!(newInput instanceof Node))
  26                         throw new CmsException("Input " + newInput + " must be a node");
  27         }
  28
  29         @Override
  30         public Object[] getElements(Object inputElement) {
  31                 try {
  32                         Node node = (Node) inputElement;
  33                         ArrayList<Node> arr = new ArrayList<Node>();
  34                         NodeIterator nit = node.getNodes();
  35                         while (nit.hasNext()) {
  36                                 arr.add(nit.nextNode());
  37                         }
  38                         return arr.toArray();
  39                 } catch (RepositoryException e) {
  40                         throw new CmsException("Cannot get elements", e);
  41                 }
  42         }
  43
  44         @Override
  45         public Object[] getChildren(Object parentElement) {
  46                 try {
  47                         Node node = (Node) parentElement;
  48                         ArrayList<Node> arr = new ArrayList<Node>();
  49                         NodeIterator nit = node.getNodes();
  50                         while (nit.hasNext()) {
  51                                 arr.add(nit.nextNode());
  52                         }
  53                         return arr.toArray();
  54                 } catch (RepositoryException e) {
  55                         throw new CmsException("Cannot get elements", e);
  56                 }
  57         }
  58
  59         @Override
  60         public Object getParent(Object element) {
  61                 try {
  62                         Node node = (Node) element;
  63                         if (node.getName().equals(""))
  64                                 return null;
  65                         else
  66                                 return node.getParent();
  67                 } catch (RepositoryException e) {
  68                         throw new CmsException("Cannot get elements", e);
  69                 }
  70         }
  71
  72         @Override
  73         public boolean hasChildren(Object element) {
  74                 try {
  75                         Node node = (Node) element;
  76                         return node.hasNodes();
  77                 } catch (RepositoryException e) {
  78                         throw new CmsException("Cannot get elements", e);
  79                 }
  80         }
  81
  82 }