| /******************************************************************************* |
| * Copyright (c) 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.ui.internal.ide.commands; |
| |
| import org.eclipse.core.commands.AbstractParameterValueConverter; |
| import org.eclipse.core.commands.ParameterValueConversionException; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.Path; |
| |
| /** |
| * A command parameter value converter to convert between IResources and strings |
| * encoding the path of a resource. |
| * |
| * @since 3.2 |
| */ |
| public final class ResourcePathConverter extends |
| AbstractParameterValueConverter { |
| |
| public final Object convertToObject(final String parameterValue) |
| throws ParameterValueConversionException { |
| final Path path = new Path(parameterValue); |
| final IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace() |
| .getRoot(); |
| final IResource resource = workspaceRoot.findMember(path); |
| |
| if ((resource == null) || (!resource.exists())) { |
| throw new ParameterValueConversionException( |
| "parameterValue must be the path of an existing resource"); //$NON-NLS-1$ |
| } |
| |
| return resource; |
| } |
| |
| public final String convertToString(final Object parameterValue) |
| throws ParameterValueConversionException { |
| if (!(parameterValue instanceof IResource)) { |
| throw new ParameterValueConversionException( |
| "parameterValue must be an IResource"); //$NON-NLS-1$ |
| } |
| final IResource resource = (IResource) parameterValue; |
| return resource.getFullPath().toString(); |
| } |
| } |