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Java Source | 1995-08-11 | 2.2 KB | 77 lines |
- /*
- * @(#)Handler.java 1.8 95/05/15 Sami Shaio
- *
- * Copyright (c) 1995 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
-
- /*-
- * doc urls point either into the local filesystem or externally
- * through an http url.
- */
-
- package net.www.protocol.doc;
-
- import java.io.*;
- import net.www.protocol.http.*;
- import net.www.protocol.file.*;
- import net.www.html.*;
-
- class Handler extends URLStreamHandler {
- /*
- * Attempt to find a load the given url using the local
- * filesystem. If that fails, then try opening using http.
- */
- public synchronized InputStream openStream(URL u) {
- net.www.protocol.http.Handler http;
- net.www.protocol.file.Handler file;
-
- file = new net.www.protocol.file.Handler();
- try {
- InputStream is;
- URL ru = new URL("file", "~", u.file);
-
- is = file.openStream(ru);
- u.setType(ru.content_type);
- return is;
- } catch (Exception e) {
- String host = System.getenv("HOTJAVA_HOST");
- String release = System.getenv("HOTJAVA_RELEASE");
-
- if (host == null) {
- host = "java.sun.com";
- }
- if (release == null) {
- release = "1.0alpha3";
- }
-
- String dir;
- if (!u.file.startsWith("/")) {
- dir = "/" + release + "/";
- } else {
- dir = "/" + release;
- }
- String uri = "http://"+host+dir+u.file;
- URL ru = new URL(null, uri);
-
- http = new net.www.protocol.http.Handler();
- InputStream is = http.openStream(ru);
- u.setType(ru.content_type);
- return is;
- }
- }
- }
-
-