/* * MIT License * * Copyright (c) 2018-2020 Yoann CAPLAIN * * 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 org.blackdread.cameraframework.util; import com.sun.jna.NativeLong; import org.blackdread.camerabinding.jna.EdsdkLibrary; import org.blackdread.cameraframework.api.helper.factory.CanonFactory; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * <p>Created on 2018/10/20.</p> * * @author Yoann CAPLAIN * @since 1.0.0 */ public final class ReleaseUtil { private static final Logger log = LoggerFactory.getLogger(ReleaseUtil.class); /** * Release refs from the camera * * @param refs refs to release */ public static void release(final EdsdkLibrary.EdsBaseRef.ByReference... refs) { if (refs != null) for (final EdsdkLibrary.EdsBaseRef.ByReference byReference : refs) { if (byReference != null) release(byReference.getValue()); } } /** * Release refs from the camera * * @param refs refs to release */ public static void release(final EdsdkLibrary.EdsBaseRef... refs) { if (refs != null) for (final EdsdkLibrary.EdsBaseRef ref : refs) { release(ref); } } /** * Release a ref from the camera * * @param ref refs to release */ public static void release(final EdsdkLibrary.EdsBaseRef ref) { if (ref != null) { final NativeLong nativeLong = CanonFactory.edsdkLibrary().EdsRelease(ref); if (nativeLong.intValue() == 0xFFFFFFFF) { log.warn("Failed to release {}", ref); } } } private ReleaseUtil() { } }