All Downloads are FREE. Search and download functionalities are using the official Maven repository.

refutils.util.ConstructorHelper Maven / Gradle / Ivy

There is a newer version: 1.2.0
Show newest version
package refutils.util;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

/**
 * Utility class to handle constructors.
 *
 * @param  The type to instantiate
 * @author exbjek
 */
public final class ConstructorHelper {
    private final Class clazz;

    public ConstructorHelper(final Class clazz) {
        this.clazz = clazz;
    }

    /**
     * Instantiate private empty constructor.
     *
     * @return the instance
     * @throws NoSuchMethodException     if a matching method is not found.
     * @throws IllegalAccessException    should never be thrown since the constructor is made accessible
     * @throws InvocationTargetException if the underlying constructor throws an exception.
     * @throws InstantiationException    if the class that declares the underlying constructor represents an abstract class.
     */
    public T instantiatePrivate() throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
        Constructor constructor = clazz.getDeclaredConstructor();
        constructor.setAccessible(true);
        return constructor.newInstance();
    }

}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy