dispatch.java

Java in view PDF documents, the source code for the document. I hope someone can be improved.

/*
 * Copyright (c) 1999 Dan Adler, 315 E72 St. NY, NY, 10021, USA.
 * mailto:[e-mail]. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in 
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Redistributions in any form must be accompanied by information on
 *    how to obtain complete source code for the JACOB software.
 *
 * Redistribution of the JACOB software is not permitted as part of any
 * commercial product that is targeted primarily at Java developers.
 * Such products include, but are not limited to: Java virtual machines,
 * integrated development environments, code libraries, and application
 * server products. Licensing terms for such distribution may be
 * obtained from the copyright holder.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
package com.jacob.com;

import java.lang.reflect.Array;

public class Dispatch
{
  public int m_pDispatch;
  public static final int LOCALE_SYSTEM_DEFAULT = 2048;
  public static final int Method = 1;
  public static final int Get = 2;
  public static final int Put = 4;
  public static final int PutRef = 8;
  public static final int fdexNameCaseSensitive = 1;
  public static final int DISPID_UNKNOWN = -1;
  public static final int DISPID_VALUE = 0;
  public static final int DISPID_PROPERTYPUT = -3;
  public static final int DISPID_NEWENUM = -4;
  public static final int DISPID_EVALUATE = -5;
  public static final int DISPID_CONSTRUCTOR = -6;
  public static final int DISPID_DESTRUCTOR = -7;
  public static final int DISPID_COLLECT = -8;
  public static final int DISPID_AUTOSIZE = -500;
  public static final int DISPID_BACKCOLOR = -501;
  public static final int DISPID_BACKSTYLE = -502;
  public static final int DISPID_BORDERCOLOR = -503;
  public static final int DISPID_BORDERSTYLE = -504;
  public static final int DISPID_BORDERWIDTH = -505;
  public static final int DISPID_DRAWMODE = -507;
  public static final int DISPID_DRAWSTYLE = -508;
  public static final int DISPID_DRAWWIDTH = -509;
  public static final int DISPID_FILLCOLOR = -510;
  public static final int DISPID_FILLSTYLE = -511;
  public static final int DISPID_FONT = -512;
  public static final int DISPID_FORECOLOR = -513;
  public static final int DISPID_ENABLED = -514;
  public static final int DISPID_HWND = -515;
  public static final int DISPID_TABSTOP = -516;
  public static final int DISPID_TEXT = -517;
  public static final int DISPID_CAPTION = -518;
  public static final int DISPID_BORDERVISIBLE = -519;
  public static final int DISPID_APPEARANCE = -520;
  public static final int DISPID_MOUSEPOINTER = -521;
  public static final int DISPID_MOUSEICON = -522;
  public static final int DISPID_PICTURE = -523;
  public static final int DISPID_VALID = -524;
  public static final int DISPID_READYSTATE = -525;
  public static final int DISPID_REFRESH = -550;
  public static final int DISPID_DOCLICK = -551;
  public static final int DISPID_ABOUTBOX = -552;
  public static final int DISPID_CLICK = -600;
  public static final int DISPID_DBLCLICK = -601;
  public static final int DISPID_KEYDOWN = -602;
  public static final int DISPID_KEYPRESS = -603;
  public static final int DISPID_KEYUP = -604;
  public static final int DISPID_MOUSEDOWN = -605;
  public static final int DISPID_MOUSEMOVE = -606;
  public static final int DISPID_MOUSEUP = -607;
  public static final int DISPID_ERROREVENT = -608;
  public static final int DISPID_READYSTATECHANGE = -609;
  public static final int DISPID_AMBIENT_BACKCOLOR = -701;
  public static final int DISPID_AMBIENT_DISPLAYNAME = -702;
  public static final int DISPID_AMBIENT_FONT = -703;
  public static final int DISPID_AMBIENT_FORECOLOR = -704;
  public static final int DISPID_AMBIENT_LOCALEID = -705;
  public static final int DISPID_AMBIENT_MESSAGEREFLECT = -706;
  public static final int DISPID_AMBIENT_SCALEUNITS = -707;
  public static final int DISPID_AMBIENT_TEXTALIGN = -708;
  public static final int DISPID_AMBIENT_USERMODE = -709;
  public static final int DISPID_AMBIENT_UIDEAD = -710;
  public static final int DISPID_AMBIENT_SHOWGRABHANDLES = -711;
  public static final int DISPID_AMBIENT_SHOWHATCHING = -712;
  public static final int DISPID_AMBIENT_DISPLAYASDEFAULT = -713;
  public static final int DISPID_AMBIENT_SUPPORTSMNEMONICS = -714;
  public static final int DISPID_AMBIENT_AUTOCLIP = -715;
  public static final int DISPID_AMBIENT_APPEARANCE = -716;
  public static final int DISPID_AMBIENT_CODEPAGE = -725;
  public static final int DISPID_AMBIENT_PALETTE = -726;
  public static final int DISPID_AMBIENT_CHARSET = -727;
  public static final int DISPID_AMBIENT_TRANSFERPRIORITY = -728;

  // map args based on msdn doc
  protected static Variant obj2variant(Object o)
  {
    if (o == null) 
      return new Variant();
    if (o instanceof Variant)
      return (Variant)o;
    if (o instanceof Integer)
      return new Variant(((Integer)o).intValue());
    if (o instanceof String)
      return new Variant((String)o);
    if (o instanceof Boolean)
      return new Variant(((Boolean)o).booleanValue());
    if (o instanceof Double)
      return new Variant(((Double)o).doubleValue());
    if (o instanceof Float)
      return new Variant(((Float)o).floatValue());
    if (o instanceof SafeArray)
      return new Variant((SafeArray)o);
    if (o instanceof Dispatch) {
      Variant v = new Variant();
      v.putObject((Dispatch)o);
      return v;
    }
    // automatically convert arrays using reflection
    Class c1 = o.getClass();
    SafeArray sa = null;
    if (c1.isArray())
    {
      int len1 = Array.getLength(o);
      Object first = Array.get(o, 0);
      if (first.getClass().isArray())
      {
        int max = 0;
        for (int i = 0; i < len1; i++)
        {
           Object e1 = Array.get(o, i);
           int len2 = Array.getLength(e1);
           if (max < len2)
           {
               max = len2;
           }
        }
        sa = new SafeArray(Variant.VariantVariant, len1, max);
        for (int i = 0; i < len1; i++)
        {
          Object e1 = Array.get(o, i);
          for (int j = 0; j < Array.getLength(e1); j++)
          {
             sa.setVariant(i, j, obj2variant(Array.get(e1, j)));
          }
        }
      } else {
         sa = new SafeArray(Variant.VariantVariant, len1);
         for (int i = 0; i < len1; i++)
         {
           sa.setVariant(i, obj2variant(Array.get(o, i)));
         }
      }
      return new Variant(sa);
    }
    throw new ClassCastException("cannot convert to Variant");
  }

  // same as above, for an array
  protected static Variant[] obj2variant(Object[] o)
  {
    Variant vArg[] = new Variant[o.length];
    for(int i=0;i<o.length;i++) {
      vArg[i] = obj2variant(o[i]);
    }
    return vArg;
  }

  // constructors
  public Dispatch() { m_pDispatch = 0; }
  public Dispatch(String progid) { createInstance(progid); }

	// return a different interface by IID string
	public native Dispatch QueryInterface(String iid);

  // this only gets called from JNI
  protected Dispatch(int pDisp) { m_pDispatch = pDisp; }

  protected native void createInstance(String progid);
  protected native void release();

  public static void put_Casesensitive(Object disp, String name, Object val)
  {
    throw new ClassCastException("not implemented yet");
  }

  // eliminate _Guid arg
  public static void invokeSubv(Object disp, String name, int dispID,
    int lcid, int wFlags, Variant[] vArg, int[] uArgErr)
  {
    invokev(disp, name, dispID, lcid, wFlags, vArg, uArgErr);
  }

  public static void invokeSubv(Object disp, String name, int wFlags, Variant[] vArg, int[] uArgErr)
  {
    invokev(disp, name, 0, LOCALE_SYSTEM_DEFAULT, wFlags, vArg, uArgErr);
  }

  public static void invokeSubv(Object disp, int dispID, int wFlags, Variant[] vArg, int[] uArgErr)
  {
    invokev(disp, null, dispID, LOCALE_SYSTEM_DEFAULT, wFlags, vArg, uArgErr);
  }

  public static Variant callN_CaseSensitive(Object disp, String name, Object[] values)
  {
    throw new ClassCastException("not implemented yet");
  }

  public static void callSubN(Object disp, String name, Object[] args)
  {
    invokeSubv(disp, name, Method|Get, obj2variant(args), new int[args.length]);
  }

  public static void callSubN(Object disp, int dispID, Object[] args)
  {
    invokeSubv(disp, dispID, Method|Get, obj2variant(args), new int[args.length]);
  }

  public static int getIDOfName(Object disp, String name)
  {
    int ids[] = getIDsOfNames(disp, LOCALE_SYSTEM_DEFAULT, new String[] {name});
    return ids[0];
  }

  // eliminated _Guid argument
  public static native int[] getIDsOfNames(Object disp, int lcid, String[] names);
  // eliminated _Guid argument
  public static int[] getIDsOfNames(Object disp, String[] names)
  {
    return getIDsOfNames(disp, LOCALE_SYSTEM_DEFAULT, names);
  }

  public static Variant callN(Object disp, String name, Object[] args)
  {
    return invokev(disp, name, Method|Get, obj2variant(args), new int[args.length]);
  }

  public static Variant callN(Object disp, int dispID, Object[] args)
  {
    return invokev(disp, dispID, Method|Get, obj2variant(args), new int[args.length]);
  }

  public static Variant invoke(Object disp, String name, int dispID, int lcid, int wFlags, Object[] oArg, int[] uArgErr)
  {
    return invokev(disp, name, dispID, lcid, wFlags, obj2variant(oArg), uArgErr);
  }

  public static Variant invoke(Object disp, String name, int wFlags, Object[] oArg, int[] uArgErr)
  {
    return invokev(disp, name, wFlags, obj2variant(oArg), uArgErr);
  }

  public static Variant invoke(Object disp, int dispID, int wFlags, Object[] oArg, int[] uArgErr)