| 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.MultiStatus; |
| 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.ccvs.core.CVSTeamProvider; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.core.TeamPlugin; |
| import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption; |
| import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin; |
| 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[] resources; |
| private Shell shell; |
| private LocalOption[] options; |
| private boolean toClipboard; |
| |
| GenerateDiffFileOperation(IResource[] resources, File file, boolean toClipboard, LocalOption[] options, Shell shell) { |
| this.resources = resources; |
| this.outputFile = file; |
| this.shell = shell; |
| this.options = options; |
| this.toClipboard = toClipboard; |
| } |
| |
| /** |
| * @see IRunnableWithProgress#run(IProgressMonitor) |
| */ |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| MultiStatus result = new MultiStatus(CVSUIPlugin.ID, 1, Policy.bind("GenerateCVSDiff.error"), null); |
| try { |
| if (resources == null) |
| return; |
| |
| monitor.beginTask("", resources.length * 500); |
| monitor.setTaskName( |
| Policy.bind("GenerateCVSDiff.working")); |
| |
| OutputStream os; |
| if(toClipboard) { |
| os = new ByteArrayOutputStream(); |
| } else { |
| os = new FileOutputStream(outputFile); |
| } |
| try { |
| for (int i = 0; i < resources.length; i++) { |
| IResource resource = resources[i]; |
| CVSTeamProvider provider = (CVSTeamProvider)TeamPlugin.getManager().getProvider(resource); |
| provider.diff(new IResource[] {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}); |
| } |
| } else { |
| if(outputFile.length() == 0) { |
| emptyDiff = true; |
| outputFile.delete(); |
| } |
| } |
| |
| //check for empty diff and report |
| if (emptyDiff) { |
| MessageDialog.openInformation( |
| shell, |
| Policy.bind("GenerateCVSDiff.noDiffsFoundTitle"), |
| Policy.bind("GenerateCVSDiff.noDiffsFoundMsg")); |
| } |
| } catch (TeamException e) { |
| throw new InvocationTargetException(e); |
| } catch(IOException e) { |
| throw new InvocationTargetException(e); |
| } finally { |
| monitor.done(); |
| } |
| } |
| } |