Bug 191662 [Import/Export] Warn of duplicate projects in project import wizard
Build ID: I20070601-1539 Steps To Reproduce: 1. Create a project. 2. Export it to *.zip file. 3. Close the project. 4. Try to import it. 5. Empty projects list. More information: This is pretty annoying, since I am using mylar and a workspace with many closed projects. If I try to import a project that already exists, I see nothing and I am pretty confused (there is no warning).
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java
}
		}
		
		for (int i = 0; i < contents.length; i++) {
			if (contents[i].isDirectory()) {
				if (!contents[i].getName().equals(METADATA_FOLDER)) {
					try {
						String canonicalPath = contents[i].getCanonicalPath();
						if (!directoriesVisited.add(canonicalPath)) {
							
							continue;
						}
					} catch (IOException exception) {
						StatusManager.getManager().handle(
								StatusUtil.newStatus(IStatus.ERROR, exception
										.getLocalizedMessage(), exception));
					}
					collectProjectFilesFromDirectory(files, contents[i],
							directoriesVisited, monitor);
				}
			}
		}
		return true;
	}
	/**
	 * Collect the list of .project files that are under directory into files.
	 * 
	 * @param files
	 * @param monitor
	 *            The monitor to report to