| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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.jdt.internal.ui.model; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.mapping.ModelProvider; |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.core.resources.mapping.ResourceMappingContext; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaElementResourceMapping; |
| |
| /** |
| * Java-aware model provider. |
| * |
| * @since 3.2 |
| */ |
| public final class JavaModelProvider extends ModelProvider { |
| |
| /** The model provider id */ |
| public static final String JAVA_MODEL_PROVIDER_ID= "org.eclipse.jdt.ui.modelProvider"; //$NON-NLS-1$ |
| |
| /** |
| * Returns the resource associated with the corresponding model element. |
| * |
| * @param element |
| * the model element |
| * @return the associated resource, or <code>null</code> |
| */ |
| public static IResource getResource(final Object element) { |
| IResource resource= null; |
| if (element instanceof IJavaElement) { |
| resource= ((IJavaElement) element).getResource(); |
| } else if (element instanceof IResource) { |
| resource= (IResource) element; |
| } else if (element instanceof IAdaptable) { |
| final IAdaptable adaptable= (IAdaptable) element; |
| final Object adapted= adaptable.getAdapter(IResource.class); |
| if (adapted instanceof IResource) |
| resource= (IResource) adapted; |
| } else { |
| final Object adapted= Platform.getAdapterManager().getAdapter(element, IResource.class); |
| if (adapted instanceof IResource) |
| resource= (IResource) adapted; |
| } |
| return resource; |
| } |
| |
| /** |
| * Creates a new java model provider. |
| */ |
| public JavaModelProvider() { |
| // Used by the runtime |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public ResourceMapping[] getMappings(final IResource resource, final ResourceMappingContext context, final IProgressMonitor monitor) throws CoreException { |
| final IJavaElement element= JavaCore.create(resource); |
| if (element != null) |
| return new ResourceMapping[] { JavaElementResourceMapping.create(element)}; |
| final Object adapted= resource.getAdapter(ResourceMapping.class); |
| if (adapted instanceof ResourceMapping) |
| return new ResourceMapping[] { ((ResourceMapping) adapted)}; |
| return new ResourceMapping[] { new JavaResourceMapping(resource)}; |
| } |
| } |