diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/com/sun/tools/attach/SimpleProvider.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/tools/attach/SimpleProvider.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ *
+ *
+ * Simple ("no-op") AttachProvider used in unit tests for Attach API.
+ */
+import com.sun.tools.attach.VirtualMachine;
+import com.sun.tools.attach.VirtualMachineDescriptor;
+import com.sun.tools.attach.AgentLoadException;
+import com.sun.tools.attach.AgentInitializationException;
+import com.sun.tools.attach.AttachNotSupportedException;
+import com.sun.tools.attach.spi.AttachProvider;
+
+import java.io.IOException;
+import java.util.Properties;
+import java.util.List;
+import java.util.ArrayList;
+
+/*
+ * AttachProvider implementation
+ */
+public class SimpleProvider extends AttachProvider {
+    public SimpleProvider() {
+    }
+
+    public String name() {
+        return "simple";
+    }
+
+    public String type() {
+        return "none";
+    }
+
+    public VirtualMachine attachVirtualMachine(String id)
+        throws AttachNotSupportedException, IOException
+    {
+        if (!id.startsWith("simple:")) {
+            throw new AttachNotSupportedException("id not recognized");
+        }
+        return new SimpleVirtualMachine(this, id);
+    }
+
+    public List<VirtualMachineDescriptor> listVirtualMachines() {
+        return new ArrayList<VirtualMachineDescriptor>();
+    }
+}
+
+class SimpleVirtualMachine extends VirtualMachine {
+    public SimpleVirtualMachine(AttachProvider provider, String id) {
+        super(provider, id);
+    }
+
+    public void detach() throws IOException {
+    }
+
+    public void loadAgentLibrary(String agentLibrary, String options)
+        throws IOException, AgentLoadException, AgentInitializationException
+    {
+    }
+
+    public void loadAgentPath(String agentLibrary, String options)
+        throws IOException, AgentLoadException, AgentInitializationException
+    {
+    }
+
+    public void loadAgent(String agentLibrary, String options)
+        throws IOException, AgentLoadException, AgentInitializationException
+    {
+    }
+
+    public Properties getSystemProperties() throws IOException {
+        return new Properties();
+    }
+
+    public Properties getAgentProperties() throws IOException {
+        return new Properties();
+    }
+
+    public void dataDumpRequest() throws IOException {
+    }
+}