| package org.eclipse.team.internal.ccvs.ui.wizards; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.team.core.RepositoryProvider; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin; |
| import org.eclipse.team.internal.ccvs.core.CVSTeamProvider; |
| import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption; |
| import org.eclipse.team.internal.ccvs.ui.Policy; |
| |
| /** |
| * An operation to run the CVS diff operation on a set of resources. The result |
| * of the diff is written to a file. If there are no differences found, the |
| * user is notified and the output file is not created. |
| */ |
| public class GenerateDiffFileOperation implements IRunnableWithProgress { |
| |
| private File outputFile; |
| private IResource resource; |
| private Shell shell; |
| private LocalOption[] options; |
| private boolean toClipboard; |
| |
| GenerateDiffFileOperation(IResource resource, File file, boolean toClipboard, LocalOption[] options, Shell shell) { |
| this.resource = resource; |
| this.outputFile = file; |
| this.shell = shell; |
| this.options = options; |
| this.toClipboard = toClipboard; |
| } |
| |
| /** |
| * @see IRunnableWithProgress#run(IProgressMonitor) |
| */ |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| monitor.beginTask("", 500); //$NON-NLS-1$ |
| monitor.setTaskName( |
| Policy.bind("GenerateCVSDiff.working")); //$NON-NLS-1$ |
| |
| OutputStream os; |
| if(toClipboard) { |
| os = new ByteArrayOutputStream(); |
| } else { |
| os = new FileOutputStream(outputFile); |
| } |
| try { |
| CVSTeamProvider provider = (CVSTeamProvider)RepositoryProvider.getProvider(resource.getProject(), CVSProviderPlugin.getTypeId()); |
| provider.diff(resource, options, new PrintStream(os), new SubProgressMonitor(monitor, 500)); |
| } finally { |
| os.close(); |
| } |
| |
| boolean emptyDiff = false; |
| |
| if(toClipboard) { |
| ByteArrayOutputStream baos = (ByteArrayOutputStream)os; |
| if(baos.size() == 0) { |
| emptyDiff = true; |
| } else { |
| TextTransfer plainTextTransfer = TextTransfer.getInstance(); |
| Clipboard clipboard= new Clipboard(shell.getDisplay()); |
| clipboard.setContents( |
| new String[]{baos.toString()}, |
| new Transfer[]{plainTextTransfer}); |
| clipboard.dispose(); |
| } |
| } else { |
| if(outputFile.length() == 0) { |
| emptyDiff = true; |
| outputFile.delete(); |
| } |
| } |
| |
| //check for empty diff and report |
| if (emptyDiff) { |
| MessageDialog.openInformation( |
| shell, |
| Policy.bind("GenerateCVSDiff.noDiffsFoundTitle"), //$NON-NLS-1$ |
| Policy.bind("GenerateCVSDiff.noDiffsFoundMsg")); //$NON-NLS-1$ |
| } |
| } catch (TeamException e) { |
| throw new InvocationTargetException(e); |
| } catch(IOException e) { |
| throw new InvocationTargetException(e); |
| } finally { |
| monitor.done(); |
| } |
| } |
| } |