Bug 38922 method getNextPage() in JavadocTreeWizardPage unnecessary [Javadoc] [Wizard]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocTreeWizardPage.java
if (treeItems[i].getChecked())
				fWizard.addSelectedProject((IJavaProject) treeItems[i].getData());
		}
	}
	private void doValidation(int validate) {
		switch (validate) {
			case PREFERENCESTATUS :
				fPreferenceStatus= new StatusInfo();
				fDocletStatus= new StatusInfo();
				updateStatus(findMostSevereStatus());
				break;
			case CUSTOMSTATUS :
				if (fCustomButton.getSelection()) {
					fDestinationStatus= new StatusInfo();
					fDocletStatus= new StatusInfo();
					String doclet= fDocletTypeText.getText();
					String docletPath= fDocletText.getText();
					if (doclet.length() == 0) {
						fDocletStatus.setError(JavadocExportMessages.getString("JavadocTreeWizardPage.nodocletname.error")); 
					} else if (JavaConventions.validateJavaTypeName(doclet).matches(IStatus.ERROR)) {
						fDocletStatus.setError(JavadocExportMessages.getString("JavadocTreeWizardPage.invaliddocletname.error")); 
					} else if ((docletPath.length() == 0) || !validDocletPath(docletPath)) {
						fDocletStatus.setError(JavadocExportMessages.getString("JavadocTreeWizardPage.invaliddocletpath.error")); 
					}
					updateStatus(findMostSevereStatus());
				}
				break;
			case STANDARDSTATUS :
				if (fStandardButton.getSelection()) {
					fDestinationStatus= new StatusInfo();