| /******************************************************************************* |
| * Copyright (c) 2001, 2008 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.validation.internal.el; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IWorkspaceContextResolver; |
| import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext; |
| |
| /** |
| * Utility methods used during EL validation. |
| * |
| * @author ian.trimble@oracle.com |
| */ |
| public class ELValidationUtil { |
| |
| /** |
| * Tests if the passed IResource instance's project has (at least) EL 2.2 on its runtime |
| * classpath. |
| * |
| * @param resource IResource instance to test. |
| * @return <code>true</code> if the project has (at least) EL 2.2 on it's runtime classpath, |
| * else <code>false</code>. |
| */ |
| public static boolean isProjectEL22(final IResource resource) { |
| boolean isEL22 = false; |
| if (resource != null) { |
| final IProject project = resource.getProject(); |
| if (project != null) { |
| final IJavaProject javaProject = JavaCore.create(project); |
| if (javaProject != null) { |
| try { |
| final IType type = javaProject.findType("javax.el.ValueReference"); //$NON-NLS-1$ |
| isEL22 = (type != null); |
| } catch (JavaModelException ignored) { |
| //ignore; isEL22 will remain false |
| } |
| } |
| } |
| } |
| return isEL22; |
| } |
| |
| /** |
| * Tests if the project associated with the passed context has (at least) EL 2.2 on its runtime |
| * classpath. |
| * |
| * @param context IStructuredDocumentContext instance to test. |
| * @return <code>true</code> if the project has (at least) EL 2.2 on it's runtime classpath, |
| * else <code>false</code>. |
| */ |
| public static boolean isProjectEL22(final IStructuredDocumentContext context) { |
| boolean isEL22 = false; |
| if (context != null) { |
| final IWorkspaceContextResolver resolver = |
| IStructuredDocumentContextResolverFactory.INSTANCE.getWorkspaceContextResolver(context); |
| if (resolver != null) { |
| final IResource resource = resolver.getResource(); |
| if (resource != null) { |
| isEL22 = isProjectEL22(resource); |
| } |
| } |
| } |
| return isEL22; |
| } |
| |
| } |