Move to Commons Base

[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
deleted file mode 100644 (file)
index 85f487b..0000000
--- a/eclipse/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/AbstractNodeContentProvider.java
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.eclipse.ui.jcr;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.AbstractTreeContentProvider;
-
-/** Canonic implementation of tree content provider manipulating JCR nodes. */
-public abstract class AbstractNodeContentProvider extends
-               AbstractTreeContentProvider {
-       private final static Log log = LogFactory
-                       .getLog(AbstractNodeContentProvider.class);
-
-       private Session session;
-
-       public AbstractNodeContentProvider(Session session) {
-               this.session = session;
-       }
-
-       /**
-        * Whether this path is a base path (and thus has no parent). By default it
-        * returns true if path is '/' (root node)
-        */
-       protected Boolean isBasePath(String path) {
-               // root node
-               return path.equals("/");
-       }
-
-       @Override
-       public Object[] getChildren(Object element) {
-               Object[] children;
-               if (element instanceof Node) {
-                       try {
-                               Node node = (Node) element;
-                               children = getChildren(node);
-                       } catch (RepositoryException e) {
-                               throw new ArgeoException("Cannot get children of " + element, e);
-                       }
-               } else if (element instanceof WrappedNode) {
-                       WrappedNode wrappedNode = (WrappedNode) element;
-                       try {
-                               children = getChildren(wrappedNode.getNode());
-                       } catch (RepositoryException e) {
-                               throw new ArgeoException("Cannot get children of "
-                                               + wrappedNode, e);
-                       }
-               } else if (element instanceof NodesWrapper) {
-                       NodesWrapper node = (NodesWrapper) element;
-                       children = node.getChildren();
-               } else {
-                       children = super.getChildren(element);
-               }
-
-               children = sort(element, children);
-               return children;
-       }
-
-       /** Do not sort by default. To be overidden to provide custom sort. */
-       protected Object[] sort(Object parent, Object[] children) {
-               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();
-       }
-
-       @Override
-       public Object getParent(Object element) {
-               if (element instanceof Node) {
-                       Node node = (Node) element;
-                       try {
-                               String path = node.getPath();
-                               if (isBasePath(path))
-                                       return null;
-                               else
-                                       return node.getParent();
-                       } catch (RepositoryException e) {
-                               log.warn("Cannot get parent of " + element + ": " + e);
-                               return null;
-                       }
-               } else if (element instanceof WrappedNode) {
-                       WrappedNode wrappedNode = (WrappedNode) element;
-                       return wrappedNode.getParent();
-               } else if (element instanceof NodesWrapper) {
-                       NodesWrapper nodesWrapper = (NodesWrapper) element;
-                       return this.getParent(nodesWrapper.getNode());
-               }
-               return super.getParent(element);
-       }
-
-       @Override
-       public boolean hasChildren(Object element) {
-               try {
-                       if (element instanceof Node) {
-                               Node node = (Node) element;
-                               return node.hasNodes();
-                       } else if (element instanceof WrappedNode) {
-                               WrappedNode wrappedNode = (WrappedNode) element;
-                               return wrappedNode.getNode().hasNodes();
-                       } else if (element instanceof NodesWrapper) {
-                               NodesWrapper nodesWrapper = (NodesWrapper) element;
-                               return nodesWrapper.hasChildren();
-                       }
-
-               } catch (RepositoryException e) {
-                       throw new ArgeoException("Cannot check whether " + element
-                                       + " has children", e);
-               }
-               return super.hasChildren(element);
-       }
-
-       public Session getSession() {
-               return session;
-       }
-}