Java Reflection Constructor Get getConstructorWithNoParams(Class clazz)

Description

get Constructor With No Params

License

Open Source License

Declaration

private static Constructor getConstructorWithNoParams(Class clazz) 

Method Source Code

//package com.java2s;
/*//from   ww w .  j  a  v  a2 s . c o m
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Eclipse Public License version 1.0, available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

import java.lang.reflect.Constructor;

import java.lang.reflect.Modifier;

public class Main {
    private static Constructor getConstructorWithNoParams(Class clazz) {
        for (Constructor constructor : clazz.getConstructors()) {
            if (constructor.getParameterTypes().length == 0) {
                if (Modifier.isPrivate(constructor.getModifiers())
                        || Modifier.isProtected(constructor.getModifiers())) {
                    constructor.setAccessible(true);
                }
                return constructor;
            }
        }
        return null;
    }
}

Related

1. getConstructorSignatureWithLongTypeNames(Constructor init)
2. getConstructorSimpleName(Constructor constructor)
3. getConstructorsOfLength(final Class clazz, final int length)
4. getConstructorWithArgs(Class clazz, Object... args)
5. getConstructorWithLeastParametersFromList( ArrayList constructorsFromType)
6. getConstructorWithReflection(String className, Class... parameterTypes)