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//
// ========================================================================
// 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;
}
}
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