--- /dev/null
+/* ReferenceTypeCommandSet.java -- lass to implement the ReferenceType
+ Command Set
+ 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
+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.processor;
+
+import gnu.classpath.jdwp.IVirtualMachine;
+import gnu.classpath.jdwp.Jdwp;
+import gnu.classpath.jdwp.JdwpConstants;
+import gnu.classpath.jdwp.exception.InvalidFieldException;
+import gnu.classpath.jdwp.exception.JdwpException;
+import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
+import gnu.classpath.jdwp.exception.NotImplementedException;
+import gnu.classpath.jdwp.id.IdManager;
+import gnu.classpath.jdwp.id.ObjectId;
+import gnu.classpath.jdwp.id.ReferenceTypeId;
+import gnu.classpath.jdwp.util.JdwpString;
+import gnu.classpath.jdwp.util.Signature;
+import gnu.classpath.jdwp.util.Value;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.nio.ByteBuffer;
+
+/**
+ * A class representing the ReferenceType Command Set.
+ *
+ * @author Aaron Luchko <aluchko@redhat.com>
+ */
+public class ReferenceTypeCommandSet implements CommandSet
+{
+ // Our hook into the jvm
+ private final IVirtualMachine vm = Jdwp.getIVirtualMachine();
+
+ // Manages all the different ids that are assigned by jdwp
+ private final IdManager idMan = Jdwp.getIdManager();
+
+ public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command)
+ throws JdwpException
+ {
+ try
+ {
+ switch (command)
+ {
+ case JdwpConstants.CommandSet.ReferenceType.SIGNATURE:
+ executeSignature(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.CLASS_LOADER:
+ executeClassLoader(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.MODIFIERS:
+ executeModifiers(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.FIELDS:
+ executeFields(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.METHODS:
+ executeMethods(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.GET_VALUES:
+ executeGetValues(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.SOURCE_FILE:
+ executeSourceFile(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.NESTED_TYPES:
+ executeNestedTypes(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.STATUS:
+ executeStatus(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.INTERFACES:
+ executeInterfaces(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.CLASS_OBJECT:
+ executeClassObject(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.SOURCE_DEBUG_EXTENSION:
+ executeSourceDebugExtension(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.SIGNATURE_WITH_GENERIC:
+ executeSignatureWithGeneric(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.FIELDS_WITH_GENERIC:
+ executeFieldWithGeneric(bb, os);
+ break;
+ case JdwpConstants.CommandSet.ReferenceType.METHODS_WITH_GENERIC:
+ executeMethodsWithGeneric(bb, os);
+ break;
+ default:
+ throw new NotImplementedException("Command " + command +
+ " not found in String Reference Command Set.");
+ }
+ }
+ catch (IOException ex)
+ {
+ // The DataOutputStream we're using isn't talking to a socket at all
+ // So if we throw an IOException we're in serious trouble
+ throw new JdwpInternalErrorException(ex);
+ }
+ return true;
+ }
+
+ private void executeSignature(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ String sig = Signature.computeClassSignature(refId.getType());
+ JdwpString.writeString(os, sig);
+ }
+
+ private void executeClassLoader(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+
+ Class clazz = refId.getType();
+ ClassLoader loader = clazz.getClassLoader();
+ ObjectId oid = idMan.getId(loader);
+ oid.write(os);
+ }
+
+ private void executeModifiers(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+
+ Class clazz = refId.getType();
+ os.writeInt(clazz.getModifiers());
+ }
+
+ private void executeFields(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+
+ Field[] fields = clazz.getFields();
+ os.writeInt(fields.length);
+ for (int i = 0; i < fields.length; i++)
+ {
+ Field field = fields[i];
+ idMan.getId(field).write(os);
+ JdwpString.writeString(os, field.getName());
+ JdwpString.writeString(os, Signature.computeFieldSignature(field));
+ os.writeInt(field.getModifiers());
+ }
+ }
+
+ private void executeMethods(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+
+ Method[] methods = clazz.getMethods();
+ os.writeInt(methods.length);
+ for (int i = 0; i < methods.length; i++)
+ {
+ Method method = methods[i];
+ idMan.getId(method).write(os);
+ JdwpString.writeString(os, method.getName());
+ JdwpString.writeString(os, Signature.computeMethodSignature(method));
+ os.writeInt(method.getModifiers());
+ }
+ }
+
+ private void executeGetValues(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+
+ int numFields = bb.getInt();
+ os.writeInt(numFields); // Looks pointless but this is the protocol
+ for (int i = 0; i < numFields; i++)
+ {
+ ObjectId fieldId = idMan.readId(bb);
+ Field field = (Field) (fieldId.getObject());
+ Class fieldClazz = field.getDeclaringClass();
+
+ // We don't actually need the clazz to get the field but we might as
+ // well check that the debugger got it right
+ if (fieldClazz.isAssignableFrom(clazz))
+ Value.writeStaticValueFromField(os, field);
+ else
+ throw new InvalidFieldException(fieldId.getId());
+ }
+ }
+
+ private void executeSourceFile(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+
+ // We'll need to go into the jvm for this unless there's an easier way
+ String sourceFileName = vm.getSourceFile(clazz);
+ JdwpString.writeString(os, sourceFileName);
+ // clazz.getProtectionDomain().getCodeSource().getLocation();
+ }
+
+ private void executeNestedTypes(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+ Class[] declaredClazzes = clazz.getDeclaredClasses();
+ os.writeInt(declaredClazzes.length);
+ for (int i = 0; i < declaredClazzes.length; i++)
+ {
+ Class decClazz = declaredClazzes[i];
+ ReferenceTypeId clazzId = idMan.getReferenceTypeId(decClazz);
+ clazzId.writeTagged(os);
+ }
+ }
+
+ private void executeStatus(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+
+ // I don't think there's any other way to get this
+ int status = vm.getStatus(clazz);
+ os.writeInt(status);
+ }
+
+ private void executeInterfaces(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+ Class[] interfaces = clazz.getInterfaces();
+ os.writeInt(interfaces.length);
+ for (int i = 0; i < interfaces.length; i++)
+ {
+ Class interfaceClass = interfaces[i];
+ ReferenceTypeId intId = idMan.getReferenceTypeId(interfaceClass);
+ intId.write(os);
+ }
+ }
+
+ private void executeClassObject(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
+ Class clazz = refId.getType();
+ ObjectId clazzObjectId = idMan.getId(clazz);
+ clazzObjectId.write(os);
+ }
+
+ private void executeSourceDebugExtension(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ // This command is optional, determined by VirtualMachines CapabilitiesNew
+ // so we'll leave it till later to implement
+ throw new NotImplementedException(
+ "Command SourceDebugExtension not implemented.");
+ }
+
+ private void executeSignatureWithGeneric(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ // We don't have generics yet
+ throw new NotImplementedException(
+ "Command SourceDebugExtension not implemented.");
+ }
+
+ private void executeFieldWithGeneric(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ // We don't have generics yet
+ throw new NotImplementedException(
+ "Command SourceDebugExtension not implemented.");
+ }
+
+ private void executeMethodsWithGeneric(ByteBuffer bb, DataOutputStream os)
+ throws JdwpException, IOException
+ {
+ // We don't have generics yet
+ throw new NotImplementedException(
+ "Command SourceDebugExtension not implemented.");
+ }
+}
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