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/*
* Copyright (c) 1999-2004 Sourceforge JACOB Project.
* All rights reserved. Originator: Dan Adler (http://danadler.com).
* Get more information about JACOB at http://sourceforge.net/projects/jacob-project
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.jacob.activeX;
import com.jacob.com.Dispatch;
import com.jacob.com.JacobObject;
import com.jacob.com.Variant;
/**
* This class provides a higher level, more object like, wrapper for top of the
* Dispatch object. The Dispatch class's method essentially directly map to
* Microsoft C API including the first parameter that is almost always the
* target of the message. ActiveXComponent assumes the target of every message
* is the MS COM object behind the ActiveXComponent. This removes the need to
* pass the Dispatch object into every method.
*
* It is really up to the developer as to whether they want to use the Dispatch
* interface or the ActiveXComponent interface.
*
* This class simulates com.ms.activeX.ActiveXComponent only in the sense that
* it is used for creating Dispatch objects
*/
public class ActiveXComponent extends Dispatch {
/**
* Normally used to create a new connection to a microsoft application. The
* passed in parameter is the name of the program as registered in the
* registry. It can also be the object name.
*
* This constructor causes a new Windows object of the requested type to be
* created. The windows CoCreate() function gets called to create the
* underlying windows object.
*
*
* new ActiveXComponent("ScriptControl");
*
*
* @param programId
*/
public ActiveXComponent(String programId) {
super(programId);
}
/**
* Creates an active X component that is built on top of the COM pointers
* held in the passed in dispatch. This widens the Dispatch object to pick
* up the ActiveXComponent API
*
* @param dispatchToBeWrapped
*/
public ActiveXComponent(Dispatch dispatchToBeWrapped) {
super(dispatchToBeWrapped);
}
/**
* only used by the factories
*
*/
private ActiveXComponent() {
super();
}
/**
* Probably was a cover for something else in the past. Should be
* deprecated.
*
* @return Now it actually returns this exact same object.
*/
public Dispatch getObject() {
return this;
}
/**
* Most code should use the standard ActiveXComponent(String) contructor and
* not this factory method. This method exists for applications that need
* special behavior. Experimental in release 1.9.2.
*
* Factory that returns a Dispatch object wrapped around the result of a
* CoCreate() call. This differs from the standard constructor in that it
* throws no exceptions and returns null on failure.
*
* This will fail for any prog id with a ":" in it.
*
* @param pRequestedProgramId
* @return Dispatch pointer to the COM object or null if couldn't create
*/
public static ActiveXComponent createNewInstance(String pRequestedProgramId) {
ActiveXComponent mCreatedDispatch = null;
try {
mCreatedDispatch = new ActiveXComponent();
mCreatedDispatch.coCreateInstance(pRequestedProgramId);
} catch (Exception e) {
mCreatedDispatch = null;
if (JacobObject.isDebugEnabled()) {
JacobObject.debug("Unable to co-create instance of "
+ pRequestedProgramId);
}
}
return mCreatedDispatch;
}
/**
* Most code should use the standard ActiveXComponent(String) constructor
* and not this factory method. This method exists for applications that
* need special behavior. Experimental in release 1.9.2.
*
* Factory that returns a Dispatch wrapped around the result of a
* getActiveObject() call. This differs from the standard constructor in
* that it throws no exceptions and returns null on failure.
*
* This will fail for any prog id with a ":" in it
*
* @param pRequestedProgramId
* @return Dispatch pointer to a COM object or null if wasn't already
* running
*/
public static ActiveXComponent connectToActiveInstance(
String pRequestedProgramId) {
ActiveXComponent mCreatedDispatch = null;
try {
mCreatedDispatch = new ActiveXComponent();
mCreatedDispatch.getActiveInstance(pRequestedProgramId);
} catch (Exception e) {
mCreatedDispatch = null;
if (JacobObject.isDebugEnabled()) {
JacobObject.debug("Unable to attach to running instance of "
+ pRequestedProgramId);
}
}
return mCreatedDispatch;
}
/**
* @see com.jacob.com.Dispatch#finalize()
*/
@Override
protected void finalize() {
super.finalize();
}
/*
* ============================================================
*
* start of instance based calls to the COM layer
* ===========================================================
*/
/**
* retrieves a property and returns it as a Variant
*
* @param propertyName
* @return variant value of property
*/
public Variant getProperty(String propertyName) {
return Dispatch.get(this, propertyName);
}
/**
* retrieves a property and returns it as an ActiveX component
*
* @param propertyName
* @return Dispatch representing the object under the property name
*/
public ActiveXComponent getPropertyAsComponent(String propertyName) {
return new ActiveXComponent(Dispatch.get(this, propertyName)
.toDispatch());
}
/**
* retrieves a property and returns it as a Boolean
*
* @param propertyName
* property we are looking up
* @return boolean value of property
*/
public boolean getPropertyAsBoolean(String propertyName) {
return Dispatch.get(this, propertyName).getBoolean();
}
/**
* retrieves a property and returns it as a byte
*
* @param propertyName
* property we are looking up
* @return byte value of property
*/
public byte getPropertyAsByte(String propertyName) {
return Dispatch.get(this, propertyName).getByte();
}
/**
* retrieves a property and returns it as a String
*
* @param propertyName
* @return String value of property
*/
public String getPropertyAsString(String propertyName) {
return Dispatch.get(this, propertyName).getString();
}
/**
* retrieves a property and returns it as a int
*
* @param propertyName
* @return the property value as an int
*/
public int getPropertyAsInt(String propertyName) {
return Dispatch.get(this, propertyName).getInt();
}
/**
* sets a property on this object
*
* @param propertyName
* property name
* @param arg
* variant value to be set
*/
public void setProperty(String propertyName, Variant arg) {
Dispatch.put(this, propertyName, arg);
}
/**
* sets a property on this object
*
* @param propertyName
* property name
* @param arg
* variant value to be set
*/
public void setProperty(String propertyName, Dispatch arg) {
Dispatch.put(this, propertyName, arg);
}
/**
* sets a property to be the value of the string
*
* @param propertyName
* @param propertyValue
*/
public void setProperty(String propertyName, String propertyValue) {
this.setProperty(propertyName, new Variant(propertyValue));
}
/**
* sets a property as a boolean value
*
* @param propertyName
* @param propValue
* the boolean value we want the prop set to
*/
public void setProperty(String propertyName, boolean propValue) {
this.setProperty(propertyName, new Variant(propValue));
}
/**
* sets a property as a boolean value
*
* @param propertyName
* @param propValue
* the boolean value we want the prop set to
*/
public void setProperty(String propertyName, byte propValue) {
this.setProperty(propertyName, new Variant(propValue));
}
/**
* sets the property as an int value
*
* @param propertyName
* @param propValue
* the int value we want the prop to be set to.
*/
public void setProperty(String propertyName, int propValue) {
this.setProperty(propertyName, new Variant(propValue));
}
/*-------------------------------------------------------
* Listener logging helpers
*-------------------------------------------------------
*/
/**
* This boolean determines if callback events should be logged
*/
public static boolean shouldLogEvents = false;
/**
* used by the doc and application listeners to get intelligent logging
*
* @param description
* event description
* @param args
* args passed in (variants)
*
*/
public void logCallbackEvent(String description, Variant[] args) {
String argString = "";
if (args != null && ActiveXComponent.shouldLogEvents) {
if (args.length > 0) {
argString += " args: ";
}
for (int i = 0; i < args.length; i++) {
short argType = args[i].getvt();
argString += ",[" + i + "]";
// break out the byref bits if they are on this
if ((argType & Variant.VariantByref) == Variant.VariantByref) {
// show the type and the fact that its byref
argString += "("
+ (args[i].getvt() & ~Variant.VariantByref) + "/"
+ Variant.VariantByref + ")";
} else {
// show the type
argString += "(" + argType + ")";
}
argString += "=";
if (argType == Variant.VariantDispatch) {
Dispatch foo = (args[i].getDispatch());
argString += foo;
} else if ((argType & Variant.VariantBoolean) == Variant.VariantBoolean) {
// do the boolean thing
if ((argType & Variant.VariantByref) == Variant.VariantByref) {
// boolean by ref
argString += args[i].getBooleanRef();
} else {
// boolean by value
argString += args[i].getBoolean();
}
} else if ((argType & Variant.VariantString) == Variant.VariantString) {
// do the string thing
if ((argType & Variant.VariantByref) == Variant.VariantByref) {
// string by ref
argString += args[i].getStringRef();
} else {
// string by value
argString += args[i].getString();
}
} else {
argString += args[i].toString();
}
}
System.out.println(description + argString);
}
}
/*
* ==============================================================
*
* covers for dispatch call methods
* =============================================================
*/
/**
* makes a dispatch call for the passed in action and no parameter
*
* @param callAction
* @return ActiveXComponent representing the results of the call
*/
public ActiveXComponent invokeGetComponent(String callAction) {
return new ActiveXComponent(invoke(callAction).toDispatch());
}
/**
* makes a dispatch call for the passed in action and single parameter
*
* @param callAction
* @param parameters
* @return ActiveXComponent representing the results of the call
*/
public ActiveXComponent invokeGetComponent(String callAction,
Variant... parameters) {
return new ActiveXComponent(invoke(callAction, parameters).toDispatch());
}
/**
* invokes a single parameter call on this dispatch that returns no value
*
* @param actionCommand
* @param parameter
* @return a Variant but that may be null for some calls
*/
public Variant invoke(String actionCommand, String parameter) {
return Dispatch.call(this, actionCommand, parameter);
}
/**
* makes a dispatch call to the passed in action with a single boolean
* parameter
*
* @param actionCommand
* @param parameter
* @return Variant result
*/
public Variant invoke(String actionCommand, boolean parameter) {
return Dispatch.call(this, actionCommand, new Variant(parameter));
}
/**
* makes a dispatch call to the passed in action with a single int parameter
*
* @param actionCommand
* @param parameter
* @return Variant result of the invoke (Dispatch.call)
*/
public Variant invoke(String actionCommand, int parameter) {
return Dispatch.call(this, actionCommand, new Variant(parameter));
}
/**
* makes a dispatch call to the passed in action with a string and integer
* parameter (this was put in for some application)
*
* @param actionCommand
* @param parameter1
* @param parameter2
* @return Variant result
*/
public Variant invoke(String actionCommand, String parameter1,
int parameter2) {
return Dispatch.call(this, actionCommand, parameter1, new Variant(
parameter2));
}
/**
* makes a dispatch call to the passed in action with two integer parameters
* (this was put in for some application)
*
* @param actionCommand
* @param parameter1
* @param parameter2
* @return a Variant but that may be null for some calls
*/
public Variant invoke(String actionCommand, int parameter1, int parameter2) {
return Dispatch.call(this, actionCommand, new Variant(parameter1),
new Variant(parameter2));
}
/**
* makes a dispatch call for the passed in action and no parameter
*
* @param callAction
* @return a Variant but that may be null for some calls
*/
public Variant invoke(String callAction) {
return Dispatch.call(this, callAction);
}
/**
* This is really a cover for call(String,Variant[]) that should be
* eliminated call with a variable number of args mainly used for quit.
*
* @param name
* @param args
* @return Variant returned by the invoke (Dispatch.callN)
*/
public Variant invoke(String name, Variant... args) {
return Dispatch.callN(this, name, args);
}
}