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/*******************************************************************************
* Copyright (c) 2009, 2010 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.synchronize.patch;
import org.eclipse.compare.internal.core.patch.DiffProject;
import org.eclipse.compare.internal.core.patch.FilePatch2;
import org.eclipse.compare.internal.patch.*;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.*;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.team.core.subscribers.Subscriber;
import org.eclipse.team.internal.core.TeamPlugin;
public class PatchModelProvider extends ModelProvider {
public static final String ID = "org.eclipse.team.ui.patchModelProvider"; //$NON-NLS-1$
private static PatchModelProvider provider;
public static PatchModelProvider getProvider() {
if (provider == null) {
try {
provider = (PatchModelProvider) ModelProvider
.getModelProviderDescriptor(PatchModelProvider.ID)
.getModelProvider();
} catch (CoreException e) {
TeamPlugin.log(e);
}
}
return provider;
}
static ResourceMapping getResourceMapping(IDiffElement object) {
if (object instanceof PatchProjectDiffNode) {
return new DiffProjectResourceMapping(
((PatchProjectDiffNode) object).getDiffProject());
} else if (object instanceof PatchFileDiffNode) {
return new FilePatchResourceMapping(((PatchFileDiffNode) object)
.getDiffResult());
} else if (object instanceof HunkDiffNode) {
return new HunkResourceMapping(((HunkDiffNode) object)
.getHunkResult());
}
return null;
}
/**
* Returns the resource associated with the corresponding model element.
*
* @param element
* the model element
* @return the associated resource, or <code>null</code>
*/
static IResource getResource(PatchDiffNode element) {
IResource resource= null;
if (element instanceof PatchProjectDiffNode) {
return ((PatchProjectDiffNode) element).getResource();
} else if (element instanceof PatchFileDiffNode) {
return ((PatchFileDiffNode) element).getResource();
} else if (element instanceof HunkDiffNode) {
return ((HunkDiffNode) element).getResource();
}
return resource;
}
static Object/* DiffProject or FilePatch2 */getPatchObject(
IResource resource, WorkspacePatcher patcher) {
if (resource.getType() == IResource.PROJECT) {
if (patcher.isWorkspacePatch()) {
DiffProject[] diffProjects = patcher.getDiffProjects();
for (int i = 0; i < diffProjects.length; i++) {
if (diffProjects[i].getName().equals(resource.getName()))
return diffProjects[i];
}
}
} else if (resource.getType() == IResource.FILE) {
FilePatch2[] diffs = patcher.getDiffs();
for (int i = 0; i < diffs.length; i++) {
if (resource.equals(getFile(diffs[i], patcher))) {
return diffs[i];
}
}
}
return null;
}
static IFile getFile(FilePatch2 diff, WorkspacePatcher patcher) {
IProject project = null;
if (patcher.isWorkspacePatch()) {
DiffProject diffProject = diff.getProject();
project = ResourcesPlugin.getWorkspace().getRoot().getProject(
diffProject.getName());
return project.getFile(diff.getPath(patcher.isReversed()));
} else {
IResource target = patcher.getTarget();
if (target.getType() == IResource.PROJECT
|| target.getType() == IResource.FOLDER) {
IContainer container = (IContainer) target;
return container.getFile(diff.getStrippedPath(patcher
.getStripPrefixSegments(), patcher.isReversed()));
}
IContainer container = target.getParent();
return container.getFile(diff.getStrippedPath(patcher
.getStripPrefixSegments(), patcher.isReversed()));
}
}
public static PatchWorkspace getPatchWorkspace(Subscriber subscriber) {
if (subscriber instanceof ApplyPatchSubscriber) {
ApplyPatchSubscriber aps = (ApplyPatchSubscriber) subscriber;
return new PatchWorkspace(aps.getPatcher());
}
// TODO: assertion?
return null;
}
}
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