| /******************************************************************************* |
| * Copyright (c) 2011 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: |
| * Greg Watson (IBM Corporation) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.utils; |
| |
| import java.io.File; |
| import java.net.URI; |
| |
| import org.eclipse.cdt.internal.core.UNCPathConverterImpl; |
| import org.eclipse.core.filesystem.URIUtil; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| |
| /** |
| * Base class for the UNC path conversion extension point. UNC paths are used to represent remote |
| * include locations, and this class is used to translate between UNC, IPath and URI |
| * representations. By default, paths are translated into the equivalent local file version to |
| * preserve existing behavior, but by providing an appropriate extension, these paths can be mapped |
| * into locations on a remote system. |
| * |
| * May be subclassed by clients. |
| * @since 5.3 |
| */ |
| public abstract class UNCPathConverter { |
| /** |
| * Get the instance of the class that combines the registered converters. |
| * @return instance of UNCPathConverter |
| */ |
| public static UNCPathConverter getInstance() { |
| return UNCPathConverterImpl.getInstance(); |
| } |
| |
| /** |
| * Test if the string path is in UNC format. |
| * |
| * @param path |
| * path to test |
| * @return true if the path is in UNC format, false otherwise |
| */ |
| public static boolean isUNC(String path) { |
| if (path.length() >= 2) { |
| char c= path.charAt(0); |
| if (c == IPath.SEPARATOR || c == File.separatorChar) { |
| c= path.charAt(1); |
| return c == IPath.SEPARATOR || c == File.separatorChar; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Convert a URI to an IPath. |
| * Resolves to local path if possible, including using EFS where required. |
| * |
| * @param uri |
| * URI to convert to an IPath |
| * @return IPath representation of the URI |
| */ |
| public static IPath toPath(URI uri) { |
| IPath localPath = URIUtil.toPath(uri); |
| if (localPath != null) { |
| return localPath; |
| } |
| // see if the uri has an authority part |
| String part = uri.getAuthority(); |
| if (part == null) { |
| // see if the uri has a host part |
| part = uri.getHost(); |
| if (part == null) { |
| return localPath; |
| } |
| } |
| return new Path(part).makeUNC(true).append(uri.getPath()); |
| } |
| |
| /** |
| * Convert an IPath to a URI. |
| * |
| * @param path |
| * path to convert |
| * @return URI representation of the IPath |
| */ |
| public abstract URI toURI(IPath path); |
| |
| /** |
| * Convert a string path to a URI |
| * |
| * @param path |
| * path to convert |
| * @return URI representation of the path |
| */ |
| public abstract URI toURI(String path); |
| } |