| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.plus.annotation; |
| |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| |
| /** |
| * PreDestroyCallback |
| * |
| * |
| */ |
| public class PreDestroyCallback extends LifeCycleCallback |
| { |
| private static final Logger LOG = Log.getLogger(PreDestroyCallback.class); |
| |
| |
| /** |
| * Commons Annotations Specification section 2.6: |
| * - no params to method |
| * - returns void |
| * - no checked exceptions |
| * - not static |
| * @see org.eclipse.jetty.plus.annotation.LifeCycleCallback#validate(java.lang.Class, java.lang.reflect.Method) |
| */ |
| public void validate(Class<?> clazz, Method method) |
| { |
| |
| if (method.getExceptionTypes().length > 0) |
| throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not throw a checked exception"); |
| |
| if (!method.getReturnType().equals(Void.TYPE)) |
| throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot not have a return type"); |
| |
| if (Modifier.isStatic(method.getModifiers())) |
| throw new IllegalArgumentException(clazz.getName()+"."+method.getName()+ " cannot be static"); |
| |
| } |
| |
| |
| public void callback(Object instance) |
| { |
| try |
| { |
| super.callback(instance); |
| } |
| catch (Exception e) |
| { |
| LOG.warn("Ignoring exception thrown on preDestroy call to "+getTargetClass()+"."+getTarget().getName(), e); |
| } |
| } |
| |
| public boolean equals(Object o) |
| { |
| if (super.equals(o) && (o instanceof PreDestroyCallback)) |
| return true; |
| return false; |
| } |
| } |