Java Reflection Constructor Get getConstructor(Class aClass)

Description

get Constructor

License

Apache License

Declaration

public static <T> Constructor<T> getConstructor(Class<T> aClass) throws NoSuchMethodException 

Method Source Code

//package com.java2s;
/*//from   w w w  .  jav a  2 s .c  o  m
 *  Copyright 2009 Peter Karich, peat_hal ?at? users ?dot? sourceforge ?dot? net.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

import java.lang.reflect.Constructor;

public class Main {
    public static <T> Constructor<T> getConstructor(Class<T> aClass) throws NoSuchMethodException {
        Constructor constr = aClass.getDeclaredConstructor();
        try {
            constr.setAccessible(true);
            return constr;
        } catch (Exception ex) {
            return aClass.getConstructor();
        }
    }
}

Related

1. getConstructor(Class sourceClass, boolean isFindDeclaredConstructor, boolean isUpwardFind, Class... constructorParameterTypes)
2. getConstructor(Class theClass, Class[] paramTypes)
3. getConstructor(Class type, Constructor c)
4. getConstructor(Class type, Object[] args)
5. getConstructor(Class type, Class[] givenTypes)
6. getConstructor(Class cl, Class... params)
7. getConstructor(Class clazz)
8. getConstructor(Class clazz, Class... parameterTypes)
9. getConstructor(Class clazz, Class[] expectedTypes)