| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.validation.internal; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.content.IContentDescription; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.wst.validation.internal.plugin.ValidationPlugin; |
| |
| /** |
| * Since it can be expense to determine a content type, we provide a wrapper so that we only |
| * need to get it once, as we validate a resource. |
| * @author karasiuk |
| * |
| */ |
| public class ContentTypeWrapper { |
| |
| private IContentType _type; |
| private boolean _initialized; |
| |
| public IContentType getContentType(IFile file){ |
| if (_initialized)return _type; |
| |
| IContentDescription cd = null; |
| try { |
| cd = file.getContentDescription(); |
| } |
| catch (CoreException e){ |
| try { |
| file.refreshLocal(IResource.DEPTH_ZERO, null); |
| cd = file.getContentDescription(); |
| } |
| catch (CoreException e2){ |
| if (Tracing.isLogging())ValidationPlugin.getPlugin().handleException(e2); |
| } |
| } |
| if (cd == null)return null; |
| _type = cd.getContentType(); |
| _initialized = true; |
| return _type; |
| } |
| |
| } |