ShortValueImpl.java :  » IDE-Eclipse » jdt » org » eclipse » jdi » internal » Java Open Source

/*******************************************************************************
 * Copyright (c) 2000, 2005 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.DataOutputStream;
import java.io.IOException;

import org.eclipse.jdi.internal.jdwp.JdwpID;

import com.sun.jdi.ShortValue;
import com.sun.jdi.Type;

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

  /**
   * Creates new instance.
   */
  public ShortValueImpl(VirtualMachineImpl vmImpl, Short value) {
    super("ShortValue", vmImpl, value); //$NON-NLS-1$
  }
  
  /**
   * @returns tag.
   */
  public byte getTag() {
    return tag;
  }

  /**
   * @returns type of value.
      */
  public Type type() {
    return virtualMachineImpl().getShortType();
  }

  /**
   * @returns Value.
   */
  public short value() {
    return shortValue();
  }
  
  /**
   * @return Reads and returns new instance.
   */
  public static ShortValueImpl read(MirrorImpl target, DataInputStream in) throws IOException {
    VirtualMachineImpl vmImpl = target.virtualMachineImpl();
    short value = target.readShort("shortValue", in); //$NON-NLS-1$
    return new ShortValueImpl(vmImpl, new Short(value));
  }
  
  /**
   * Writes value without value tag.
   */
  public void write(MirrorImpl target, DataOutputStream out) throws IOException {
    target.writeShort(((Short)fValue).shortValue(), "shortValue", out); //$NON-NLS-1$
  }
}