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/* Copyright (c) 2014 Dr David H. Akehurst (itemis), All Rights Reserved
 *
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32.COM.util;

import java.util.ArrayList;
import java.util.List;

import com.sun.jna.platform.win32.WinNT;
import com.sun.jna.platform.win32.COM.COMException;
import com.sun.jna.platform.win32.COM.COMUtils;
import com.sun.jna.ptr.PointerByReference;

public class RunningObjectTable implements IRunningObjectTable {

    protected RunningObjectTable(com.sun.jna.platform.win32.COM.RunningObjectTable raw, ObjectFactory factory) {
        this.raw = raw;
        this.factory = factory;
    }

    ObjectFactory factory;
    com.sun.jna.platform.win32.COM.RunningObjectTable raw;

    @Override
    public Iterable enumRunning() {
        assert COMUtils.comIsInitialized() : "COM not initialized";

        final PointerByReference ppenumMoniker = new PointerByReference();

        WinNT.HRESULT hr = this.raw.EnumRunning(ppenumMoniker);

        COMUtils.checkRC(hr);
        com.sun.jna.platform.win32.COM.EnumMoniker raw = new com.sun.jna.platform.win32.COM.EnumMoniker(
            ppenumMoniker.getValue());

        return new EnumMoniker(raw, this.raw, this.factory);
    }

    @Override
    public  List getActiveObjectsByInterface(Class comInterface) {
                assert COMUtils.comIsInitialized() : "COM not initialized";

        List result = new ArrayList();

        for (IDispatch obj : this.enumRunning()) {
            try {
                T dobj = obj.queryInterface(comInterface);

                result.add(dobj);
            } catch (COMException ex) {

            }
        }

        return result;
    }
}