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+/* TransportFactory.java -- Factory for transports
+ Copyright (C) 2005 Free Software Foundation
+
+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
+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.classpath.jdwp.transport;
+
+import java.util.HashMap;
+
+/**
+ * A factory class that constructs transports for use by
+ * the JDWP back-end.
+ *
+ * @author Keith Seitz <keiths@redhat.com>
+ */
+public class TransportFactory
+{
+ // Keyword in configspec that specifies transport method
+ private static final String _TRANSPORT_PROPERTY = "transport";
+
+ // A single transport method mapping
+ private static class TransportMethod
+ {
+ String name;
+ Class clazz;
+ public TransportMethod (String name, Class clazz)
+ {
+ this.name = name;
+ this.clazz = clazz;
+ }
+ }
+
+ // List of all supported transport methods
+ private static TransportMethod[] _transportMethods = new TransportMethod[]
+ {
+ new TransportMethod (SocketTransport.NAME, SocketTransport.class)
+ //new TransportMethod (ShmemTransport.NAME, ShmemTransport.class)
+ };
+
+ /**
+ * Get a transport configured as specified in the properties
+ *
+ * @param properties a <code>HashMap</code> specifying the JDWP
+ * configuration properties
+ * @returns the created and configured transport
+ * @throws TransportException for invalid configurations
+ */
+ public static ITransport newInstance (HashMap properties)
+ throws TransportException
+ {
+ String name = null;
+ if (properties != null)
+ name = (String) properties.get (_TRANSPORT_PROPERTY);
+ if (name == null)
+ throw new TransportException ("no transport specified");
+
+ for (int i = 0; i < _transportMethods.length; ++i)
+ {
+ if (_transportMethods[i].name.equals (name))
+ {
+ try
+ {
+ ITransport t;
+ t = (ITransport) _transportMethods[i].clazz.newInstance ();
+ t.configure (properties);
+ return t;
+ }
+ catch (TransportException te)
+ {
+ throw te;
+ }
+ catch (Exception e)
+ {
+ throw new TransportException (e);
+ }
+ }
+ }
+
+ throw new TransportException ("transport \"" + name + "\" not found");
+ }
+}