Package org.eclipse.jdi.internal

Source Code of org.eclipse.jdi.internal.ClassObjectReferenceImpl

/*******************************************************************************
* Copyright (c) 2000, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdi.internal;

import java.io.DataInputStream;
import java.io.IOException;

import org.eclipse.jdi.internal.jdwp.JdwpClassObjectID;
import org.eclipse.jdi.internal.jdwp.JdwpCommandPacket;
import org.eclipse.jdi.internal.jdwp.JdwpID;
import org.eclipse.jdi.internal.jdwp.JdwpReplyPacket;

import com.sun.jdi.ClassObjectReference;
import com.sun.jdi.ReferenceType;

/**
* this class implements the corresponding interfaces declared by the JDI
* specification. See the com.sun.jdi package for more information.
*
*/
public class ClassObjectReferenceImpl extends ObjectReferenceImpl implements
    ClassObjectReference {
  /** JDWP Tag. */
  public static final byte tag = JdwpID.CLASS_OBJECT_TAG;

  /**
   * Creates new ClassObjectReferenceImpl.
   */
  public ClassObjectReferenceImpl(VirtualMachineImpl vmImpl,
      JdwpClassObjectID classObjectID) {
    super("ClassObjectReference", vmImpl, classObjectID); //$NON-NLS-1$
  }

  /**
   * @returns Returns Value tag.
   */
  @Override
  public byte getTag() {
    return tag;
  }

  /**
   * @returns Returns the ReferenceType corresponding to this class object.
   */
  public ReferenceType reflectedType() {
    initJdwpRequest();
    try {
      JdwpReplyPacket replyPacket = requestVM(
          JdwpCommandPacket.COR_REFLECTED_TYPE, this);
      defaultReplyErrorHandler(replyPacket.errorCode());
      DataInputStream replyData = replyPacket.dataInStream();
      return ReferenceTypeImpl.readWithTypeTag(this, replyData);
    } catch (IOException e) {
      defaultIOExceptionHandler(e);
      return null;
    } finally {
      handledJdwpRequest();
    }
  }

  /**
   * @return Reads JDWP representation and returns new instance.
   */
  public static ClassObjectReferenceImpl read(MirrorImpl target,
      DataInputStream in) throws IOException {
    VirtualMachineImpl vmImpl = target.virtualMachineImpl();
    JdwpClassObjectID ID = new JdwpClassObjectID(vmImpl);
    ID.read(in);
    if (target.fVerboseWriter != null)
      target.fVerboseWriter.println("classObjectReference", ID.value()); //$NON-NLS-1$

    if (ID.isNull())
      return null;

    ClassObjectReferenceImpl mirror = new ClassObjectReferenceImpl(vmImpl,
        ID);
    return mirror;
  }
}
TOP

Related Classes of org.eclipse.jdi.internal.ClassObjectReferenceImpl

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.