package gov.nih.nci.camod.webapp.listener;

import gov.nih.nci.camod.Constants;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.*;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.context.ContextLoaderListener;

/**
 * StartupListener class used to initialize and database settings and populate
 * any application-wide drop-downs.
 * 
 * @author <a href="mailto:matt@raibledesigns.com">Matt Raible</a>
 * 
 *  @web.listener
 */
public class StartupListener extends ContextLoaderListener implements ServletContextListener {

    private static final long serialVersionUID = 3257135453799404851L;
    
    private static final Log log = LogFactory.getLog(StartupListener.class);

    public void contextInitialized(ServletContextEvent event) {
        if (log.isDebugEnabled()) {
            log.debug("initializing context...");
        }

        // call Spring's context ContextLoaderListener to initialize
        // all the context files specified in web.xml
        super.contextInitialized(event);

        ServletContext context = event.getServletContext();
        String daoType = context.getInitParameter(Constants.DAO_TYPE);

        // if daoType is not specified, use DAO as default
        if (daoType == null) {
            log.warn("No 'daoType' context carameter, using hibernate");
            daoType = Constants.DAO_TYPE_HIBERNATE;
        }

        // Orion starts Servlets before Listeners, so check if the config
        // object already exists
        Map config = (HashMap) context.getAttribute(Constants.CONFIG);

        if (config == null) {
            config = new HashMap();
        }

        // Create a config object to hold all the app config values
        config.put(Constants.DAO_TYPE, daoType);
        context.setAttribute(Constants.CONFIG, config);

        // output the retrieved values for the Init and Context Parameters
        if (log.isDebugEnabled()) {
            log.debug("daoType: " + daoType);
            log.debug("populating drop-downs...");
        }

        setupContext(context);
    }

    public static void setupContext(ServletContext context) {
        if (log.isDebugEnabled()) {
            log.debug("drop-down initialization complete [OK]");
        }
    }
}

package gov.nih.nci.camod.webapp.listener;

import gov.nih.nci.camod.Constants;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.*;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.context.ContextLoaderListener;

/**
 * StartupListener class used to initialize and database settings and populate
 * any application-wide drop-downs.
 * 
 * @author <a href="mailto:matt@raibledesigns.com">Matt Raible</a>
 * 
 * @web.listener 
 */
public class StartupListener extends ContextLoaderListener implements ServletContextListener {

    private static final long serialVersionUID = 3257135453799404851L;
    
    private static final Log log = LogFactory.getLog(StartupListener.class);

    public void contextInitialized(ServletContextEvent event) {
        if (log.isDebugEnabled()) {
            log.debug("initializing context...");
        }

        // call Spring's context ContextLoaderListener to initialize
        // all the context files specified in web.xml
        super.contextInitialized(event);

        ServletContext context = event.getServletContext();
        String daoType = context.getInitParameter(Constants.DAO_TYPE);

        // if daoType is not specified, use DAO as default
        if (daoType == null) {
            log.warn("No 'daoType' context carameter, using hibernate");
            daoType = Constants.DAO_TYPE_HIBERNATE;
        }

        // Orion starts Servlets before Listeners, so check if the config
        // object already exists
        Map config = (HashMap) context.getAttribute(Constants.CONFIG);

        if (config == null) {
            config = new HashMap();
        }

        // Create a config object to hold all the app config values
        config.put(Constants.DAO_TYPE, daoType);
        context.setAttribute(Constants.CONFIG, config);

        // output the retrieved values for the Init and Context Parameters
        if (log.isDebugEnabled()) {
            log.debug("daoType: " + daoType);
            log.debug("populating drop-downs...");
        }

        setupContext(context);
    }

    public static void setupContext(ServletContext context) {
        if (log.isDebugEnabled()) {
            log.debug("drop-down initialization complete [OK]");
        }
    }
}

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