Java Reflection Constructor Invoke invokeConstructor(final Constructor constructor, final Object... args)

Description

invoke Constructor

License

Apache License

Declaration

public static <T> T invokeConstructor(final Constructor<? extends T> constructor, final Object... args) 

Method Source Code

//package com.java2s;
/*//  w  w  w .ja  v  a2 s  .  c  o m
 * Copyright 2004-2005 Revolution Systems Inc.
 *
 * 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.
 */

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

public class Main {
    public static <T> T invokeConstructor(final Constructor<? extends T> constructor, final Object... args) {
        try {
            final T object = constructor.newInstance(args);
            return object;
        } catch (final RuntimeException e) {
            throw e;
        } catch (final Error e) {
            throw e;
        } catch (final InvocationTargetException e) {
            final Throwable t = e.getTargetException();
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            } else if (t instanceof Error) {
                throw (Error) t;
            } else {
                throw new RuntimeException(t.getMessage(), t);
            }
        } catch (final Exception e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. invokeConstructor(Constructor constructor, Object... arguments)
2. invokeConstructor(Constructor constructor, Object... parameters)
3. invokeConstructor(final Class clazz, final Class[] paramTypes, final Object... args)
4. invokeConstructor(final Constructor constructor, final Object... args)
5. invokeConstructor(final Constructor constructor, final Object[] args)
6. invokeConstructor(String className, Class[] paramTypes, Object[] paramValues)
7. invokeConstructor(String className, Object... arguments)
8. invokeConstructorOrFail(Constructor constructor, Object... args)
9. invokeCtor(Constructor ctor, String str)