org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/synchronize/mapping/GitContainerMapping.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.mapping;
  12
  13 import static org.eclipse.core.resources.IResource.ALLOW_MISSING_LOCAL;
  14 import static org.eclipse.core.resources.IResource.DEPTH_ONE;
  15
  16 import java.util.LinkedHashSet;
  17 import java.util.Set;
  18
  19 import org.eclipse.core.resources.IFile;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.resources.IWorkspaceRoot;
  22 import org.eclipse.core.resources.ResourcesPlugin;
  23 import org.eclipse.core.resources.mapping.ResourceMappingContext;
  24 import org.eclipse.core.resources.mapping.ResourceTraversal;
  25 import org.eclipse.core.runtime.CoreException;
  26 import org.eclipse.core.runtime.IPath;
  27 import org.eclipse.core.runtime.IProgressMonitor;
  28 import org.eclipse.egit.core.synchronize.GitSubscriberResourceMappingContext;
  29 import org.eclipse.egit.core.synchronize.dto.GitSynchronizeDataSet;
  30 import org.eclipse.egit.ui.internal.synchronize.model.GitModelObject;
  31 import org.eclipse.egit.ui.internal.synchronize.model.GitModelObjectContainer;
  32
  33 class GitContainerMapping extends GitObjectMapping {
  34
  35         private static final IWorkspaceRoot ROOT = ResourcesPlugin.getWorkspace().getRoot();
  36
  37         public GitContainerMapping(GitModelObjectContainer gitCommit) {
  38                 super(gitCommit);
  39         }
  40
  41         @Override
  42         public ResourceTraversal[] getTraversals(ResourceMappingContext context,
  43                         IProgressMonitor monitor) throws CoreException {
  44                 GitModelObject[] children = ((GitModelObjectContainer) getModelObject())
  45                                 .getChildren();
  46                 Set<ResourceTraversal> result = new LinkedHashSet<>();
  47
  48                 final GitSynchronizeDataSet dataSet;
  49                 if (context instanceof GitSubscriberResourceMappingContext)
  50                         dataSet = ((GitSubscriberResourceMappingContext) context)
  51                                         .getSyncData();
  52                 else
  53                         dataSet = null;
  54
  55                 for (GitModelObject child : children) {
  56                         if (child.isContainer())
  57                                 result.addAll(createTraversalForContainer(child, dataSet));
  58                         else
  59                                 result.add(createTraversalForFile(child, dataSet));
  60                 }
  61
  62                 return result.toArray(new ResourceTraversal[0]);
  63         }
  64
  65         private Set<ResourceTraversal> createTraversalForContainer(
  66                         GitModelObject child, GitSynchronizeDataSet dataSet) {
  67                 GitModelObject[] containerChildren = child.getChildren();
  68                 Set<ResourceTraversal> result = new LinkedHashSet<>();
  69                 for (GitModelObject aChild : containerChildren) {
  70                         if(aChild.isContainer())
  71                                 result.addAll(createTraversalForContainer(aChild, dataSet));
  72                         else {
  73                                 ResourceTraversal traversal = createTraversalForFile(aChild,
  74                                                 dataSet);
  75                                 if (traversal != null)
  76                                         result.add(traversal);
  77                         }
  78                 }
  79                 return result;
  80         }
  81
  82         private ResourceTraversal createTraversalForFile(GitModelObject aChild, GitSynchronizeDataSet dataSet) {
  83                 IPath childLocation = aChild.getLocation();
  84                 IFile file = ROOT.getFileForLocation(childLocation);
  85
  86                 if (file == null) {
  87                         file = ROOT.getFile(childLocation);
  88                 }
  89
  90                 ResourceTraversal traversal = null;
  91                 if (dataSet == null)
  92                         traversal = new ResourceTraversal(new IResource[] { file },
  93                                         DEPTH_ONE, ALLOW_MISSING_LOCAL);
  94                 else if (file != null && dataSet.shouldBeIncluded(file))
  95                         traversal = new ResourceTraversal(new IResource[] { file },
  96                                         DEPTH_ONE, ALLOW_MISSING_LOCAL);
  97
  98                 return traversal;
  99         }
 100
 101 }