Class SimpleInstanceManager

java/org/apache/tomcat/SimpleInstanceManager.java:26–82

SimpleInstanceManager implements the org.apache.tomcat.InstanceManager interface.

 * SimpleInstanceManager implements the org.apache.tomcat.InstanceManager interface.
 */
public class SimpleInstanceManager implements InstanceManager {

    /**
     * Creates a new SimpleInstanceManager.
     */
    public SimpleInstanceManager() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object newInstance(Class<?> clazz) throws IllegalAccessException, InvocationTargetException, NamingException,
            InstantiationException, NoSuchMethodException {
        return prepareInstance(clazz.getConstructor().newInstance());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object newInstance(String className) throws IllegalAccessException, InvocationTargetException,
            NamingException, InstantiationException, ClassNotFoundException, NoSuchMethodException {
        Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
        return prepareInstance(clazz.getConstructor().newInstance());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object newInstance(String fqcn, ClassLoader classLoader)
            throws IllegalAccessException, InvocationTargetException, NamingException, InstantiationException,
            ClassNotFoundException, NoSuchMethodException {
        Class<?> clazz = classLoader.loadClass(fqcn);
        return prepareInstance(clazz.getConstructor().newInstance());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void newInstance(Object o) throws IllegalAccessException, InvocationTargetException, NamingException {
        // NO-OP
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void destroyInstance(Object o) throws IllegalAccessException, InvocationTargetException {
    }

    private Object prepareInstance(Object o) {
        return o;
    }
}