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Diffstat (limited to 'gnu/classpath/jdwp/transport/TransportFactory.java')
-rw-r--r-- | gnu/classpath/jdwp/transport/TransportFactory.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/gnu/classpath/jdwp/transport/TransportFactory.java b/gnu/classpath/jdwp/transport/TransportFactory.java new file mode 100644 index 000000000..480fb3629 --- /dev/null +++ b/gnu/classpath/jdwp/transport/TransportFactory.java @@ -0,0 +1,115 @@ +/* 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"); + } +} |