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/*
 * The MIT License
 *
 * Copyright 2022 Karate Labs Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.intuit.karate.robot.win;

import com.sun.jna.platform.win32.OleAuto;
import com.sun.jna.platform.win32.Variant;
import com.sun.jna.platform.win32.WTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author pthomas3
 */
public class ComAllocatedVarStr implements ComAllocated {
    
    private static final Logger logger = LoggerFactory.getLogger(ComAllocatedVarStr.class);

    private final String value;
    private final Variant.VARIANT variant;
    private final WTypes.BSTR sysAllocated;

    public ComAllocatedVarStr(String value) {
        this.value = value;
        variant = new Variant.VARIANT.ByValue();
        sysAllocated = OleAuto.INSTANCE.SysAllocString(value);
        variant.setValue(Variant.VT_BSTR, sysAllocated);
        if (logger.isTraceEnabled()) {
            logger.trace("allocated string: '{}'", value);
        }
    }

    @Override
    public Object value() {
        return variant;
    }    
    
    @Override
    public void free() {
        OleAuto.INSTANCE.SysFreeString(sysAllocated);
        if (logger.isTraceEnabled()) {
            logger.trace("dellocated string: '{}'", value);
        }
    }

}