org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/synchronize/model/GitModelRoot.java

   1 /*******************************************************************************
   2  * Copyright (C) 2010, 2013 Dariusz Luksza <dariusz@luksza.org> and others.
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License 2.0
   6  * which accompanies this distribution, and is available at
   7  * https://www.eclipse.org/legal/epl-2.0/
   8  *
   9  * SPDX-License-Identifier: EPL-2.0
  10  *******************************************************************************/
  11 package org.eclipse.egit.ui.internal.synchronize.model;
  12
  13 import java.io.IOException;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import org.eclipse.egit.core.Activator;
  18 import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
  19 import org.eclipse.egit.core.synchronize.dto.GitSynchronizeDataSet;
  20
  21 /**
  22  * Root of all model objects.
  23  */
  24 public class GitModelRoot {
  25
  26         private final GitSynchronizeDataSet gsds;
  27
  28         private GitModelObject[] children;
  29
  30         /**
  31          * @param gsds
  32          */
  33         public GitModelRoot(GitSynchronizeDataSet gsds) {
  34                 this.gsds = gsds;
  35         }
  36
  37         /**
  38          * @return git synchronization data
  39          */
  40         public GitSynchronizeDataSet getGsds() {
  41                 return gsds;
  42         }
  43
  44         /**
  45          * @return children
  46          */
  47         public GitModelObject[] getChildren() {
  48                 return getChildrenImpl();
  49         }
  50
  51         /**
  52          *  Disposes all nested resources
  53          */
  54         public void dispose() {
  55                 disposeOldChildren();
  56         }
  57
  58         private GitModelObject[] getChildrenImpl() {
  59                 List<GitModelObject> result = new ArrayList<>();
  60                 try {
  61                         if (gsds.size() == 1) {
  62                                 GitSynchronizeData gsd = gsds.iterator().next();
  63                                 GitModelRepository repoModel = new GitModelRepository(gsd);
  64
  65                                 return repoModel.getChildren();
  66                         } else
  67                                 for (GitSynchronizeData data : gsds) {
  68                                         GitModelRepository repoModel = new GitModelRepository(data);
  69                                         if (repoModel.getChildren().length > 0)
  70                                                 result.add(repoModel);
  71                                 }
  72                 } catch (IOException e) {
  73                                 Activator.logError(e.getMessage(), e);
  74                 }
  75                 disposeOldChildren();
  76                 children = result.toArray(new GitModelObject[0]);
  77
  78                 return children;
  79         }
  80
  81         private void disposeOldChildren() {
  82                 if (children == null)
  83                         return;
  84                 for (GitModelObject child : children)
  85                         child.dispose();
  86         }
  87
  88 }