* gnu/classpath/jdwp/transport/TransportFactory.java: New file.

From-SVN: r100556

libjava/ChangeLog

@@ -2,6 +2,7 @@
 
 	* gnu/classpath/jdwp/transport/ITransport.java: New file.
 	* gnu/classpath/jdwp/transport/SocketTransport.java: New file.
+	* gnu/classpath/jdwp/transport/TransportFactory.java: New file.
 
 2005-06-03  Andreas Tobler  <a.tobler@schweiz.ch>
 

libjava/gnu/classpath/jdwp/transport/TransportFactory.java

+/* 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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");
+  }
+}