Java Class New Instance newInstance(Object bean, String propertyName, Class clazz)

Description

new Instance

License

Apache License

Declaration

public static <T> T newInstance(Object bean, String propertyName, Class<T> clazz) 

Method Source Code

//package com.java2s;
/*//from   w  ww .  ja v a2 s.c  o  m
 * Copyright 2011 JBoss 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.
 */

public class Main {
    public static <T> T newInstance(Object bean, String propertyName, Class<T> clazz) {
        try {
            return clazz.newInstance();
        } catch (InstantiationException e) {
            throw new IllegalArgumentException("The " + bean.getClass().getSimpleName() + "'s " + propertyName
                    + " (" + clazz.getName() + ") does not have a public no-arg constructor", e);
        } catch (IllegalAccessException e) {
            throw new IllegalArgumentException("The " + bean.getClass().getSimpleName() + "'s " + propertyName
                    + " (" + clazz.getName() + ") does not have a public no-arg constructor", e);
        }
    }
}

Related

1. newInstance(final Object obj, final String clazz)
2. newInstance(final String className, ClassLoader cl)
3. newInstance(final String className, final Object[] args)
4. newInstance(final String fullyQualifiedClass)
5. newInstance(Map> providerMap, String provider, Class[] paramsClass, Object[] paramValues)
6. newInstance(ProceedingJoinPoint thisJoinPoint, Class clazz, Object... newArgs)
7. newInstance(String aclass)
8. newInstance(String className)
9. newInstance(String className)