Bug 6295 File "save as" bug, new file is read-only
Environment: 0.137 driver on Windows NT 4.0 SP6a 1. Create a Java project and package 2. Create a Java class called "Test" in the project/package created in '1.' above. 3. Edit the "Test" class by adding a comment. 4. Select the "Test" class, the 'File' menu, 'Save Test.java As...', and save as a different file name. You will receive an error dialog that states: "Save Problems x Could not save file Reason: File is read-only" The file will be created but it will be 'read-only' and not read-write.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
private void configureTabConverter() {
		if (fTabConverter != null) {
			IDocumentProvider provider= getDocumentProvider();
			if (provider instanceof CompilationUnitDocumentProvider) {
				CompilationUnitDocumentProvider cup= (CompilationUnitDocumentProvider) provider;
				fTabConverter.setLineTracker(cup.createLineTracker(getEditorInput()));
			}
		}
	}
	
	private int getTabSize() {
		Preferences preferences= JavaCore.getPlugin().getPluginPreferences();
		return preferences.getInt(CODE_FORMATTER_TAB_SIZE);	
	}
	
	private void startTabConversion() {
		if (fTabConverter == null) {
			fTabConverter= new TabConverter();
			configureTabConverter();
			fTabConverter.setNumberOfSpacesPerTab(getTabSize());
			AdaptedSourceViewer asv= (AdaptedSourceViewer) getSourceViewer();
			asv.addTextConverter(fTabConverter);
		}
	}
	
	private void stopTabConversion() {
		if (fTabConverter != null) {
			AdaptedSourceViewer asv= (AdaptedSourceViewer) getSourceViewer();
			asv.removeTextConverter(fTabConverter);
			fTabConverter= null;