| package org.eclipse.cdt.internal.corext.template; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| |
| import org.eclipse.cdt.ui.CUIPlugin; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| |
| /** |
| * <code>Templates</code> gives access to the available templates. |
| */ |
| public class Templates extends TemplateSet { |
| |
| private static final String DEFAULT_FILE= "default-templates.xml"; //$NON-NLS-1$ |
| private static final String TEMPLATE_FILE= "templates.xml"; //$NON-NLS-1$ |
| |
| /** Singleton. */ |
| private static Templates fgTemplates; |
| |
| /** |
| * Returns an instance of templates. |
| */ |
| public static Templates getInstance() { |
| if (fgTemplates == null) |
| fgTemplates= create(); |
| |
| return fgTemplates; |
| } |
| |
| private static Templates create() { |
| Templates templates= new Templates(); |
| |
| try { |
| File templateFile= getTemplateFile(); |
| if (templateFile.exists()) { |
| templates.addFromFile(templateFile); |
| } else { |
| templates.addFromStream(getDefaultsAsStream()); |
| templates.saveToFile(templateFile); |
| } |
| |
| } catch (CoreException e) { |
| CUIPlugin.getDefault().log(e); |
| ErrorDialog.openError(null, |
| TemplateMessages.getString("Templates.error.title"), //$NON-NLS-1$ |
| e.getMessage(), e.getStatus()); |
| |
| templates.clear(); |
| } |
| |
| return templates; |
| } |
| |
| /** |
| * Resets the template set. |
| */ |
| public void reset() throws CoreException { |
| clear(); |
| addFromFile(getTemplateFile()); |
| } |
| |
| /** |
| * Resets the template set with the default templates. |
| */ |
| public void restoreDefaults() throws CoreException { |
| clear(); |
| addFromStream(getDefaultsAsStream()); |
| } |
| |
| /** |
| * Saves the template set. |
| */ |
| public void save() throws CoreException { |
| saveToFile(getTemplateFile()); |
| } |
| |
| private static InputStream getDefaultsAsStream() { |
| return Templates.class.getResourceAsStream(DEFAULT_FILE); |
| } |
| |
| private static File getTemplateFile() { |
| IPath path= CUIPlugin.getDefault().getStateLocation(); |
| path= path.append(TEMPLATE_FILE); |
| |
| return path.toFile(); |
| } |
| } |
| |