Java Class Load loadClass(final String lclass)

Description

Utility method to dynamically load classes

License

Apache License

Parameter

Parameter	Description
lclass	a parameter

Exception

Parameter	Description
LoadException	an exception

Declaration

public static Object loadClass(final String lclass) 

Method Source Code

//package com.java2s;
/**// w w  w  . jav  a 2s. c  o  m
 * Copyright 2006 Mark Miller (markrmiller@gmail.com)
 *
 * 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 {
    /**
     * Utility method to dynamically load classes
     * 
     * @param lclass
     * @return
     * @throws LoadException
     */
    public static Object loadClass(final String lclass) {
        Object loadedClass = null;
        Class handlerClass = null;

        try {
            handlerClass = Class.forName(lclass);
        } catch (final NoClassDefFoundError e) {
            throw new RuntimeException("Cannot find class : " + lclass, e);
        } catch (final ClassNotFoundException e) {
            throw new RuntimeException("Cannot find class : " + lclass, e);
        }

        try {
            loadedClass = handlerClass.newInstance();
        } catch (final InstantiationException e) {
            throw new RuntimeException("Cannot create instance of : " + lclass, e);
        } catch (final IllegalAccessException e) {
            throw new RuntimeException("Cannot create instance of : " + lclass, e);
        }

        return loadedClass;
    }
}

Related

1. loadClass(final String className)
2. loadClass(final String className, final ClassLoader classLoader)
3. loadClass(final String className, final ClassLoader classLoader)
4. loadClass(final String clazz)
5. loadClass(final String fqcn)
6. loadClass(final String packageName, final String className)
7. loadClass(String className)
8. loadClass(String className)
9. loadClass(String className)