Java Reflection Constructor Get getConstructor(Class type, Class... parameterTypes)

Description

Gets declared constructor for given Class and given parameters

License

Open Source License

Parameter

Parameter	Description
type	a parameter
parameterTypes	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static <T> Constructor<T> getConstructor(Class<T> type, Class<?>... parameterTypes) throws IOException 

Method Source Code

//package com.java2s;
/*//from   w  w  w .  j av  a  2s  .co m
 * Lightmare, Lightweight embedded EJB container (works for stateless session beans) with JPA / Hibernate support
 *
 * Copyright (c) 2013, Levan Tsinadze, or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */

import java.io.IOException;

import java.lang.reflect.Constructor;

public class Main {
    /**
     * Gets declared constructor for given {@link Class} and given parameters
     * 
     * @param type
     * @param parameterTypes
     * @return {@link Constructor}
     * @throws IOException
     */
    public static <T> Constructor<T> getConstructor(Class<T> type, Class<?>... parameterTypes) throws IOException {

        Constructor<T> constructor;

        try {
            constructor = type.getDeclaredConstructor(parameterTypes);
        } catch (NoSuchMethodException ex) {
            throw new IOException(ex);
        } catch (SecurityException ex) {
            throw new IOException(ex);
        }

        return constructor;
    }
}

Related

1. getConstructor(Class cls, Class... parameterClses)
2. getConstructor(Class cls, Class[] args)
3. getConstructor(Class cls, Object... args)
4. getConstructor(Class instanceType)
5. getConstructor(Class targetClass, Class... parameterTypes)
6. getConstructor(Class type, Class[] parameterTypes)
7. getConstructor(final Class theClass, final Class... parameterTypes)
8. getConstructor(final Class clazz, final Class... parameterTypes)
9. getConstructor(final Class clazz, final Class[] paramTypes)