ServletContextListenerHotDeployListener.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.deploy.hot;

import com.liferay.portal.kernel.deploy.hot.BaseHotDeployListener;
import com.liferay.portal.kernel.deploy.hot.HotDeployEvent;
import com.liferay.portal.kernel.deploy.hot.HotDeployException;
import com.liferay.portal.kernel.servlet.SecurePluginContextListener;

import java.lang.reflect.Method;

import javax.servlet.ServletContext;

/**
 * @author Brian Wing Shun Chan
 */
public class ServletContextListenerHotDeployListener
	extends BaseHotDeployListener {

	@Override
	public void invokeDeploy(HotDeployEvent hotDeployEvent)
		throws HotDeployException {

		try {
			doInvokeDeploy(hotDeployEvent);
		}
		catch (Throwable t) {
			throwHotDeployException(
				hotDeployEvent,
				"Error registering servlet context listeners for ", t);
		}
	}

	@Override
	public void invokeUndeploy(HotDeployEvent hotDeployEvent)
		throws HotDeployException {

		try {
			doInvokeUndeploy(hotDeployEvent);
		}
		catch (Throwable t) {
			throwHotDeployException(
				hotDeployEvent,
				"Error unregistering servlet context listeners for ", t);
		}
	}

	protected void doInvokeDeploy(HotDeployEvent hotDeployEvent)
		throws Exception {

		ServletContext servletContext = hotDeployEvent.getServletContext();

		Object securePluginContextListener = servletContext.getAttribute(
			SecurePluginContextListener.class.getName());

		if (securePluginContextListener != null) {
			Class<?> clazz = securePluginContextListener.getClass();

			Method method = clazz.getMethod("instantiatingListeners");

			method.invoke(securePluginContextListener);
		}
	}

	protected void doInvokeUndeploy(HotDeployEvent hotDeployEvent)
		throws Exception {
	}

}