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Diffstat (limited to 'libjava/gnu/java/net/protocol/jar/Handler.java')
| -rw-r--r-- | libjava/gnu/java/net/protocol/jar/Handler.java | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/libjava/gnu/java/net/protocol/jar/Handler.java b/libjava/gnu/java/net/protocol/jar/Handler.java deleted file mode 100644 index d45411c47e5..00000000000 --- a/libjava/gnu/java/net/protocol/jar/Handler.java +++ /dev/null @@ -1,169 +0,0 @@ -/* gnu.java.net.protocol.jar.Handler - jar protocol handler for java.net - Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.net.protocol.jar; - -import gnu.java.net.URLParseError; - -import java.io.IOException; -import java.net.MalformedURLException; -import java.net.URL; -import java.net.URLConnection; -import java.net.URLStreamHandler; - -/** - * @author Kresten Krab Thorup (krab@gnu.org) - */ -public class Handler extends URLStreamHandler -{ - /** - * A do nothing constructor - */ - public Handler() - { - } - - /** - * This method returs a new JarURLConnection for the specified URL - * - * @param url The URL to return a connection for - * - * @return The URLConnection - * - * @exception IOException If an error occurs - */ - protected URLConnection openConnection(URL url) throws IOException - { - return new Connection(url); - } - - /** - * This method overrides URLStreamHandler's for parsing url of protocol "jar" - * - * @param url The URL object in which to store the results - * @param url_string The String-ized URL to parse - * @param start The position in the string to start scanning from - * @param end The position in the string to stop scanning - */ - protected void parseURL (URL url, String url_string, int start, int end) - { - // This method does not throw an exception or return a value. Thus our - // strategy when we encounter an error in parsing is to return without - // doing anything. - String file = url.getFile(); - - if (!file.equals("")) - { //has context url - url_string = url_string.substring (start, end); - if (url_string.startsWith("/")) - { //url string is an absolute path - int idx = file.lastIndexOf ("!/"); - - if (idx < 0) - throw new URLParseError("no !/ in spec"); - - file = file.substring (0, idx + 1) + url_string; - } - else - { - int idx = file.lastIndexOf ("/"); - if (idx == -1) //context path is weird - file = "/" + url_string; - else if (idx == (file.length() - 1)) - //just concatenate two parts - file = file + url_string; - else - // according to Java API Documentation, here is a little different - // with URLStreamHandler.parseURL - // but JDK seems doesn't handle it well - file = file.substring(0, idx + 1) + url_string; - } - - setURL (url, "jar", url.getHost(), url.getPort(), file, null); - return; - } - - // Bunches of things should be true. Make sure. - if (end < start) - return; - if (end - start < 2) - return; - if (start > url_string.length()) - return; - - // Skip remains of protocol - url_string = url_string.substring (start, end); - - int jar_stop; - if ((jar_stop = url_string.indexOf("!/")) < 0) - throw new URLParseError("no !/ in spec"); - - try - { - new URL(url_string.substring (0, jar_stop)); - } - catch (MalformedURLException e) - { - throw new URLParseError("invalid inner URL: " + e.getMessage()); - } - - if (!url.getProtocol().equals ("jar") ) - throw new URLParseError("unexpected protocol " + url.getProtocol()); - - setURL (url, "jar", url.getHost(), url.getPort(), url_string, null); - } - - /** - * This method converts a Jar URL object into a String. - * - * @param url The URL object to convert - */ - protected String toExternalForm (URL url) - { - String file = url.getFile(); - - // return "jar:" + file; - // Performance!!: - // Do the concatenation manually to avoid resize StringBuffer's - // internal buffer. - StringBuffer sb = new StringBuffer (file.length() + 5); - sb.append ("jar:"); - sb.append (file); - return sb.toString(); - } -} |
