Add filtering of children nodes

[lgpl/argeo-commons.git] / eclipse / runtime / org.argeo.eclipse.ui.jcr / src / main / java / org / argeo / eclipse / ui / jcr / AbstractNodeContentProvider.java

diff --git a/eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AbstractNodeContentProvider.java b/eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AbstractNodeContentProvider.java
index 72a14baf850c8251b6ed04e64db89d04d736803a..cc8afeafe01e141992ce0311da2918485ad20dd8 100644 (file)
--- a/eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AbstractNodeContentProvider.java
+++ b/eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AbstractNodeContentProvider.java
@@ -63,10 +63,21 @@ public abstract class AbstractNodeContentProvider extends
                return children;
        }
 
+       /**
+        * To be overridden in order to filter out some nodes. Does nothing by
+        * default. The provided list is a temporary one and can thus be modified
+        * directly . (e.g. via an iterator)
+        */
+       protected List<Node> filterChildren(List<Node> children)
+                       throws RepositoryException {
+               return children;
+       }
+
        protected Object[] getChildren(Node node) throws RepositoryException {
                List<Node> nodes = new ArrayList<Node>();
                for (NodeIterator nit = node.getNodes(); nit.hasNext();)
                        nodes.add(nit.nextNode());
+               nodes = filterChildren(nodes);
                return nodes.toArray();
        }