| /******************************************************************************* |
| * Copyright (c) 2007 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.equinox.internal.p2.core.helpers; |
| |
| import java.io.File; |
| import java.net.URL; |
| |
| /** |
| * A utility class for manipulating URLs. |
| */ |
| public class URLUtil { |
| /* |
| * Compares two URL for equality. |
| * Return false if one of them is null |
| */ |
| public static boolean sameURL(URL url1, URL url2) { |
| if (url1 == url2) |
| return true; |
| if (url1 == null || url2 == null) |
| return false; |
| if (url1.equals(url2)) |
| return true; |
| |
| // check if we have two local file references that are case variants |
| File file1 = toFile(url1); |
| return file1 == null ? false : file1.equals(toFile(url2)); |
| } |
| |
| /** |
| * Returns the URL as a local file, or <code>null</code> if the given |
| * URL does not represent a local file. |
| * @param url The url to return the file file |
| * @return The local file corresponding to the given url, or <code>null</code> |
| */ |
| public static File toFile(URL url) { |
| return "file".equalsIgnoreCase(url.getProtocol()) ? new File(url.getFile()) : null; //$NON-NLS-1$ |
| } |
| } |
