105 lines
3.9 KiB
Java
105 lines
3.9 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.net.util;
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import java.net.URL;
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/**
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* URL Utility class.
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*/
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public class URLUtil {
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/**
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* Returns a string form of the url suitable for use as a key in HashMap/Sets.
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*
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* The string form should be behave in the same manner as the URL when
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* compared for equality in a HashMap/Set, except that no nameservice
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* lookup is done on the hostname (only string comparison), and the fragment
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* is not considered.
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*
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* @see java.net.URLStreamHandler.sameFile(java.net.URL)
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*/
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public static String urlNoFragString(URL url) {
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StringBuilder strForm = new StringBuilder();
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String protocol = url.getProtocol();
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if (protocol != null) {
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/* protocol is compared case-insensitive, so convert to lowercase */
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protocol = protocol.toLowerCase();
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strForm.append(protocol);
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strForm.append("://");
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}
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String host = url.getHost();
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if (host != null) {
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/* host is compared case-insensitive, so convert to lowercase */
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host = host.toLowerCase();
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strForm.append(host);
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int port = url.getPort();
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if (port == -1) {
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/* if no port is specificed then use the protocols
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* default, if there is one */
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port = url.getDefaultPort();
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}
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if (port != -1) {
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strForm.append(":").append(port);
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}
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}
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String file = url.getFile();
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if (file != null) {
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strForm.append(file);
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}
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return strForm.toString();
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}
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// Android-removed: Android doesn't support SecurityManager, so Permissions logic is dead code.
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/*
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public static Permission getConnectPermission(URL url) throws IOException {
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String urlStringLowerCase = url.toString().toLowerCase();
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if (urlStringLowerCase.startsWith("http:") || urlStringLowerCase.startsWith("https:")) {
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return getURLConnectPermission(url);
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} else if (urlStringLowerCase.startsWith("jar:http:") || urlStringLowerCase.startsWith("jar:https:")) {
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String urlString = url.toString();
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int bangPos = urlString.indexOf("!/");
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urlString = urlString.substring(4, bangPos > -1 ? bangPos : urlString.length());
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URL u = new URL(urlString);
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return getURLConnectPermission(u);
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// If protocol is HTTP or HTTPS than use URLPermission object
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} else {
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return url.openConnection().getPermission();
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}
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}
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private static Permission getURLConnectPermission(URL url) {
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String urlString = url.getProtocol() + "://" + url.getAuthority() + url.getPath();
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return new URLPermission(urlString);
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}
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*/
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}
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