Examples of gnu.classpath.jdwp.id.ReferenceTypeId

gnu.classpath.jdwp.id.ReferenceTypeId
Base class for reference type IDs. This class usurps JdwpId's tag member for its own use (type tag). @author Keith Seitz

  }


  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);
      }
  }

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  }


  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 = VMVirtualMachine.getClassStatus(clazz);
    os.writeInt(status);
  }

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  }


  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);
      }
  }

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  }


  private void executeClassObject(ByteBuffer bb, DataOutputStream os)
    throws JdwpException, IOException
  {
    ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
    Class clazz = refId.getType();
    ObjectId clazzObjectId = idMan.getObjectId(clazz);
    clazzObjectId.write(os);
  }

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    throws JdwpException, IOException
  {
    ObjectId oid = idMan.readObjectId(bb);
    Object obj = oid.getObject();
    Class clazz = obj.getClass();
    ReferenceTypeId refId = idMan.getReferenceTypeId(clazz);
    refId.writeTagged(os);
  }

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    Object obj = oid.getObject();


    ObjectId tid = idMan.readObjectId(bb);
    Thread thread = (Thread) tid.getObject();


    ReferenceTypeId rid = idMan.readReferenceTypeId(bb);
    Class clazz = rid.getType();


    ObjectId mid = idMan.readObjectId(bb);
    Method method = (Method) mid.getObject();


    int args = bb.getInt();

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    os.writeInt(allMatchingClasses.size());
    for (int i = 0; i < allMatchingClasses.size(); i++)
      {
        Class clazz = (Class) allMatchingClasses.get(i);
        ReferenceTypeId id = idMan.getReferenceTypeId(clazz);
        id.writeTagged(os);
        int status = VMVirtualMachine.getClassStatus(clazz);
        os.writeInt(status);
      }
  }

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    // Note it's possible classes were created since out classCount so make
    // sure we don't write more classes than we told the debugger
    while (iter.hasNext() && count++ < classCount)
      {
        Class clazz = (Class) iter.next();
        ReferenceTypeId id = idMan.getReferenceTypeId(clazz);
        id.writeTagged(os);
        String sig = Signature.computeClassSignature(clazz);
        JdwpString.writeString(os, sig);
        int status = VMVirtualMachine.getClassStatus(clazz);
        os.writeInt(status);
      }

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      //todo improve it:
      //1. read in the classes and validate them
      //2. perform only hotswapping if all is fine
      int class_count = bb.getInt();
      for(int i = 0; i < class_count; i++){
          ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
          Class old_class = refId.getType();
          int class_size = bb.getInt();
          byte[] class_data = new byte[class_size];
          bb.get(class_data);
          System.out.println("Hotswapping " + old_class.getName());
          VMVirtualMachine.redefineClass(old_class, class_data);

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    ObjectId oid = idMan.readObjectId(bb);
    Class clazz = (Class) oid.getObject();


    // The difference between a ClassObjectId and a ReferenceTypeId is one is
    // stored as an ObjectId and the other as a ReferenceTypeId.
    ReferenceTypeId refId = idMan.getReferenceTypeId(clazz);
    refId.writeTagged(os);
  }

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