| package org.eclipse.team.internal.ccvs.ui; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.compare.CompareUI; |
| import org.eclipse.compare.IStreamContentAccessor; |
| import org.eclipse.compare.ITypedElement; |
| import org.eclipse.compare.structuremergeviewer.IStructureComparator; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.sync.IRemoteResource; |
| import org.eclipse.team.internal.ccvs.core.ICVSRemoteResource; |
| |
| /** |
| * A class for comparing ICVSRemoteResource objects |
| */ |
| public class ResourceEditionNode implements IStructureComparator, ITypedElement, IStreamContentAccessor { |
| private ICVSRemoteResource resource; |
| private ResourceEditionNode[] children; |
| |
| /** |
| * Creates a new ResourceEditionNode on the given resource edition. |
| */ |
| public ResourceEditionNode(ICVSRemoteResource resourceEdition) { |
| this.resource = resourceEdition; |
| } |
| |
| /** |
| * Returns true if both resources names are identical. |
| * The content is not considered. |
| * @see IComparator#equals |
| */ |
| public boolean equals(Object other) { |
| if (other instanceof ITypedElement) { |
| String otherName = ((ITypedElement)other).getName(); |
| return getName().equals(otherName); |
| } |
| return super.equals(other); |
| } |
| |
| /** |
| * Enumerate children of this node (if any). |
| */ |
| public Object[] getChildren() { |
| if (children == null) { |
| children = new ResourceEditionNode[0]; |
| if (resource != null) { |
| try { |
| CVSUIPlugin.runWithProgress(null, true /*cancelable*/, new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| IRemoteResource[] members = resource.members(monitor); |
| children = new ResourceEditionNode[members.length]; |
| for (int i = 0; i < members.length; i++) { |
| children[i] = new ResourceEditionNode((ICVSRemoteResource)members[i]); |
| } |
| } catch (TeamException e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| }); |
| } catch (InterruptedException e) { |
| // operation canceled |
| } catch (InvocationTargetException e) { |
| Throwable t = e.getTargetException(); |
| if (t instanceof TeamException) { |
| CVSUIPlugin.log(((TeamException) t).getStatus()); |
| } |
| } |
| } |
| } |
| return children; |
| } |
| |
| /** |
| * @see IStreamContentAccessor#getContents() |
| */ |
| public InputStream getContents() throws CoreException { |
| if (resource == null) { |
| return null; |
| } |
| try { |
| final InputStream[] holder = new InputStream[1]; |
| CVSUIPlugin.runWithProgress(null, true /*cancelable*/, new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| holder[0] = resource.getContents(monitor); |
| } catch (TeamException e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| }); |
| return holder[0]; |
| } catch (InterruptedException e) { |
| // operation canceled |
| } catch (InvocationTargetException e) { |
| Throwable t = e.getTargetException(); |
| if (t instanceof TeamException) { |
| throw new CoreException(((TeamException) t).getStatus()); |
| } |
| // should not get here |
| } |
| return new ByteArrayInputStream(new byte[0]); |
| } |
| |
| public Image getImage() { |
| return CompareUI.getImage(resource); |
| } |
| |
| /** |
| * Returns the name of this node. |
| */ |
| public String getName() { |
| return resource == null ? "" : resource.getName(); //$NON-NLS-1$ |
| } |
| |
| public ICVSRemoteResource getRemoteResource() { |
| return resource; |
| } |
| |
| /** |
| * Returns the comparison type for this node. |
| */ |
| public String getType() { |
| if (resource == null) { |
| return UNKNOWN_TYPE; |
| } |
| if (resource.isContainer()) { |
| return FOLDER_TYPE; |
| } |
| String name = resource.getName(); |
| name = name.substring(name.lastIndexOf('.') + 1); |
| return name.length() == 0 ? UNKNOWN_TYPE : name; |
| } |
| |
| /** |
| * @see IComparator#equals |
| */ |
| public int hashCode() { |
| return getName().hashCode(); |
| } |
| } |