base/runtime/org.argeo.eclipse.ui.jcr/src/main/java/org/argeo/eclipse/ui/jcr/SimpleNodeContentProvider.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.eclipse.ui.jcr;
  17
  18 import java.util.ArrayList;
  19 import java.util.Arrays;
  20 import java.util.List;
  21
  22 import javax.jcr.Node;
  23 import javax.jcr.RepositoryException;
  24 import javax.jcr.Session;
  25
  26 import org.argeo.ArgeoException;
  27 import org.argeo.jcr.JcrUtils;
  28
  29 /** Simple JCR node content provider taking a list of String as base path. */
  30 public class SimpleNodeContentProvider extends AbstractNodeContentProvider {
  31         private final List<String> basePaths;
  32         private Boolean mkdirs = false;
  33
  34         public SimpleNodeContentProvider(Session session, String... basePaths) {
  35                 this(session, Arrays.asList(basePaths));
  36         }
  37
  38         public SimpleNodeContentProvider(Session session, List<String> basePaths) {
  39                 super(session);
  40                 this.basePaths = basePaths;
  41         }
  42
  43         @Override
  44         protected Boolean isBasePath(String path) {
  45                 if (basePaths.contains(path))
  46                         return true;
  47                 return super.isBasePath(path);
  48         }
  49
  50         public Object[] getElements(Object inputElement) {
  51                 try {
  52                         List<Node> baseNodes = new ArrayList<Node>();
  53                         for (String basePath : basePaths)
  54                                 if (mkdirs && !getSession().itemExists(basePath))
  55                                         baseNodes.add(JcrUtils.mkdirs(getSession(), basePath));
  56                                 else
  57                                         baseNodes.add(getSession().getNode(basePath));
  58                         return baseNodes.toArray();
  59                 } catch (RepositoryException e) {
  60                         throw new ArgeoException("Cannot get base nodes for " + basePaths,
  61                                         e);
  62                 }
  63         }
  64
  65         public List<String> getBasePaths() {
  66                 return basePaths;
  67         }
  68
  69         public void setMkdirs(Boolean mkdirs) {
  70                 this.mkdirs = mkdirs;
  71         }
  72
  73 }