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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/java/net/protocol/file/Handler.java | |
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Diffstat (limited to 'libjava/classpath/gnu/java/net/protocol/file/Handler.java')
-rw-r--r-- | libjava/classpath/gnu/java/net/protocol/file/Handler.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/net/protocol/file/Handler.java b/libjava/classpath/gnu/java/net/protocol/file/Handler.java new file mode 100644 index 000000000..58ebe4c46 --- /dev/null +++ b/libjava/classpath/gnu/java/net/protocol/file/Handler.java @@ -0,0 +1,91 @@ +/* Handler.java -- "file" protocol handler for java.net + Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004 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.file; + +import java.io.IOException; +import java.net.URL; +import java.net.URLConnection; +import java.net.URLStreamHandler; + +/** + * This is the protocol handler for the "file" protocol. + * It implements the abstract openConnection() method from + * URLStreamHandler by returning a new FileURLConnection object (from + * this package). All other methods are inherited + * + * @author Aaron M. Renn (arenn@urbanophile.com) + * @author Warren Levy (warrenl@cygnus.com) + */ +public class Handler extends URLStreamHandler +{ + /** + * A do nothing constructor + */ + public Handler() + { + } + + /** + * This method returs a new FileURLConnection 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 + { + // If a hostname is set, then we need to switch protocols to ftp + // in order to transfer this from the remote host. + String host = url.getHost(); + if ((host != null) && (! host.equals(""))) + { + // Reset the protocol (and implicitly the handler) for this URL. + // Then have the URL attempt the connection again, as it will + // get the changed handler the next time around. + // If the ftp protocol handler is not installed, an + // exception will be thrown from the new openConnection() call. + setURL (url, "ftp", url.getHost(), url.getPort(), url.getFile(), + url.getRef()); + return url.openConnection(); + } + + return new Connection(url); + } +} // class Handler |