GeoserverInitStartupListener.java

package org.geoserver;

import java.util.logging.Logger;

import javax.imageio.spi.ImageReaderSpi;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.geotools.factory.Hints;
import org.geotools.resources.image.ImageUtilities;
import org.geotools.util.logging.Logging;

/**
 * Listens for GeoServer startup and tries to configure axis order, logging
 * redirection, and a few other things that really need to be set up before
 * anything else starts up
 */
public class GeoserverInitStartupListener implements ServletContextListener {
    private static final Logger LOGGER = Logging
            .getLogger("org.geoserver.logging");

    public void contextDestroyed(ServletContextEvent sce) {
    }

    public void contextInitialized(ServletContextEvent sce) {
        // if the server admin did not set it up otherwise, force X/Y axis
        // ordering
        // This one is a good place because we need to initialize this property
        // before any other opeation can trigger the initialization of the CRS
        // subsystem
        if (System.getProperty("org.geotools.referencing.forceXY") == null) {
//            Hints.putSystemDefault(Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER,
//                    Boolean.TRUE);
            System.setProperty("org.geotools.referencing.forceXY", "true");
        }
        if (Boolean.TRUE.equals(Hints
                .getSystemDefault(Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER))) {
            Hints.putSystemDefault(Hints.FORCE_AXIS_ORDER_HONORING, "http");
        }

        // HACK: java.util.prefs are awful. See
        // http://www.allaboutbalance.com/disableprefs. When the site comes
        // back up we should implement their better way of fixing the problem.
        System.setProperty("java.util.prefs.syncInterval", "5000000");

        // HACK: under JDK 1.4.2 the native java image i/o stuff is failing
        // in all containers besides Tomcat. If running under jdk 1.4.2 we
        // disable the native codecs, unless the user forced the setting already
        if (System.getProperty("java.version").startsWith("1.4")
                && (System.getProperty("com.sun.media.imageio.disableCodecLib") == null)) {
            LOGGER.warning("Disabling mediaLib acceleration since this is a "
                    + "java 1.4 VM.\n If you want to force its enabling, " //
                    + "set -Dcom.sun.media.imageio.disableCodecLib=true "
                    + "in your virtual machine");
            System.setProperty("com.sun.media.imageio.disableCodecLib", "true");
        } else {
            // in any case, the native png reader is worse than the pure java ones, so
            // let's disable it (the native png writer is on the other side faster)...
            ImageUtilities.allowNativeCodec("png", ImageReaderSpi.class, false);
        }
    }

}