mirror of git://gcc.gnu.org/git/gcc.git
92 lines
3.4 KiB
Java
92 lines
3.4 KiB
Java
/* Handler.java -- "file" protocol handler for java.net
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Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.net.protocol.file;
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import java.io.IOException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLStreamHandler;
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/**
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* This is the protocol handler for the "file" protocol.
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* It implements the abstract openConnection() method from
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* URLStreamHandler by returning a new FileURLConnection object (from
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* this package). All other methods are inherited
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Warren Levy (warrenl@cygnus.com)
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*/
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public class Handler extends URLStreamHandler
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{
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/**
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* A do nothing constructor
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*/
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public Handler()
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{
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}
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/**
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* This method returs a new FileURLConnection for the specified URL
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*
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* @param url The URL to return a connection for
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*
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* @return The URLConnection
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*
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* @exception IOException If an error occurs
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*/
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protected URLConnection openConnection(URL url) throws IOException
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{
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// If a hostname is set, then we need to switch protocols to ftp
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// in order to transfer this from the remote host.
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String host = url.getHost();
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if ((host != null) && (! host.equals("")))
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{
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// Reset the protocol (and implicitly the handler) for this URL.
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// Then have the URL attempt the connection again, as it will
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// get the changed handler the next time around.
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// If the ftp protocol handler is not installed, an
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// exception will be thrown from the new openConnection() call.
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setURL (url, "ftp", url.getHost(), url.getPort(), url.getFile(),
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url.getRef());
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return url.openConnection();
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}
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return new Connection(url);
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}
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} // class Handler
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