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Canon sdk implementation of bindings
/*
* MIT License
*
* Copyright (c) 2018 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.Field;
/**
* Created on 2018/10/04
*
* @author Yoann CAPLAIN
* @since 1.0.0
*/
public final class LibraryFieldUtil {
private static final Logger log = LoggerFactory.getLogger(LibraryFieldUtil.class);
/**
* Find in a class a constant defined with same name and return its value
*
* @param klass class to search in
* @param fieldName field name to find
* @return value of the field
*/
public static int getNativeIntValue(final Class klass, final String fieldName) {
try {
final Field field = klass.getField(fieldName);
return field.getInt(null);
} catch (NoSuchFieldException | IllegalAccessException e) {
log.error("Failed to get field value for '{}' in {}: {}", fieldName, klass, e.getMessage());
throw new IllegalStateException("Failed to get field value for '" + fieldName + "' from " + klass.getCanonicalName(), e);
}
}
/**
* @param klass class to search in
* @return count of fields of the given class
*/
public static int countClassField(final Class klass) {
return klass.getDeclaredFields().length;
}
private LibraryFieldUtil() {
}
}