| /* |
| * Copyright (c) 1996, 1998, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /*- |
| * netdoc urls point either into the local filesystem or externally |
| * through an http url, with network documents being preferred. Useful for |
| * FAQs & other documents which are likely to be changing over time at the |
| * central site, and where the user will want the most recent edition. |
| * |
| * @author Steven B. Byrne |
| */ |
| |
| package sun.net.www.protocol.netdoc; |
| |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.net.MalformedURLException; |
| import java.net.URLStreamHandler; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import sun.security.action.GetPropertyAction; |
| |
| public class Handler extends URLStreamHandler { |
| static URL base; |
| |
| /* |
| * Attempt to find a load the given url using the default (network) |
| * documentation location. If that fails, use the local copy |
| */ |
| public synchronized URLConnection openConnection(URL u) |
| throws IOException |
| { |
| URLConnection uc = null; |
| URL ru; |
| |
| boolean localonly = Boolean.parseBoolean( |
| GetPropertyAction.getProperty("newdoc.localonly")); |
| |
| String docurl = GetPropertyAction.getProperty("doc.url"); |
| |
| String file = u.getFile(); |
| if (!localonly) { |
| try { |
| if (base == null) { |
| base = new URL(docurl); |
| } |
| ru = new URL(base, file); |
| } catch (MalformedURLException e) { |
| ru = null; |
| } |
| if (ru != null) { |
| uc = ru.openConnection(); |
| } |
| } |
| |
| if (uc == null) { |
| try { |
| ru = new URL("file", "~", file); |
| |
| uc = ru.openConnection(); |
| InputStream is = uc.getInputStream(); // Check for success. |
| } catch (MalformedURLException e) { |
| uc = null; |
| } catch (IOException e) { |
| uc = null; |
| } |
| } |
| |
| if (uc == null) { |
| throw new IOException("Can't find file for URL: " |
| +u.toExternalForm()); |
| } |
| return uc; |
| } |
| } |