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/*******************************************************************************
* Copyright (c) 2006, 2017 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.examples.model.ui.mapping;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.core.resources.*;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.Path;
import org.eclipse.team.core.mapping.ISynchronizationContext;
import org.eclipse.team.examples.model.*;
import org.eclipse.team.examples.model.mapping.ExampleModelProvider;
import org.eclipse.team.ui.mapping.SynchronizationCompareAdapter;
import org.eclipse.ui.IMemento;
/**
* Compare adapter for use with our example model.
*/
public class CompareAdapter extends SynchronizationCompareAdapter {
private static final String CTX_MODEL_MAPPINGS = "org.eclipse.team.examples.filesystem.modelMappings";
private final ExampleModelProvider provider;
public CompareAdapter(ExampleModelProvider provider) {
this.provider = provider;
}
public String getName(ResourceMapping mapping) {
Object o = mapping.getModelObject();
if (o instanceof ModelObject) {
return ((ModelObject) o).getName();
}
return super.getName(mapping);
}
public String getPathString(ResourceMapping mapping) {
Object o = mapping.getModelObject();
if (o instanceof ModelObject) {
return ((ModelObject) o).getPath();
}
return super.getPathString(mapping);
}
public ICompareInput asCompareInput(ISynchronizationContext context, Object o) {
if (o instanceof ModelObjectElementFile) {
ModelObjectElementFile moeFile = (ModelObjectElementFile) o;
// Use a file compare input for the model element file
return super.asCompareInput(context, moeFile.getResource());
}
return super.asCompareInput(context, o);
}
public ResourceMapping[] restore(IMemento memento) {
List result = new ArrayList();
IMemento[] children = memento.getChildren(CTX_MODEL_MAPPINGS);
for (int i = 0; i < children.length; i++) {
IMemento child = children[i];
ResourceMapping mapping = restoreMapping(child);
if (mapping != null)
result.add(mapping);
}
return (ResourceMapping[]) result.toArray(new ResourceMapping[result.size()]);
}
public void save(ResourceMapping[] mappings, IMemento memento) {
for (int i = 0; i < mappings.length; i++) {
ResourceMapping mapping = mappings[i];
Object o = mapping.getModelObject();
if (o instanceof ModelObject) {
ModelObject mo = (ModelObject) o;
save(mo, memento.createChild(CTX_MODEL_MAPPINGS));
}
}
}
private ResourceMapping restoreMapping(IMemento child) {
String parent = child.getString("definition");
String path = child.getString("resource");
if (parent != null) {
ModelObjectDefinitionFile modFile = (ModelObjectDefinitionFile)ModelObject.create(getResource(parent));
if (modFile != null)
return new ModelObjectElementFile(modFile, (IFile)getResource(path)).getAdapter(ResourceMapping.class);
} else {
ModelObject object = ModelObject.create(getResource(path));
if (object != null)
return object.getAdapter(ResourceMapping.class);
}
return null;
}
private IResource getResource(String path) {
Path resourcePath = new Path(path);
if (path.endsWith(ModelObjectDefinitionFile.MODEL_OBJECT_DEFINITION_FILE_EXTENSION)
|| path.endsWith(ModelObjectElementFile.MODEL_OBJECT_ELEMENTFILE_EXTENSION))
return ResourcesPlugin.getWorkspace().getRoot().getFile(resourcePath);
if (resourcePath.segmentCount() == 1)
return ResourcesPlugin.getWorkspace().getRoot().getProject(resourcePath.lastSegment());
return ResourcesPlugin.getWorkspace().getRoot().getFolder(resourcePath);
}
private void save(ModelObject mo, IMemento memento) {
if (mo instanceof ModelResource) {
ModelResource resource = (ModelResource) mo;
memento.putString("resource", resource.getResource().getFullPath().toString());
if (mo instanceof ModelObjectElementFile) {
ModelObjectElementFile moeFile = (ModelObjectElementFile) mo;
ModelObjectDefinitionFile parent = (ModelObjectDefinitionFile)moeFile.getParent();
memento.putString("definition", parent.getResource().getFullPath().toString());
}
}
}
public ModelProvider getProvider() {
return provider;
}
}
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