StartupConfigBeanOverrider.java

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package com.sun.enterprise.config.modularity;


import com.sun.enterprise.config.modularity.annotation.ActivateOnStartup;
import com.sun.enterprise.config.modularity.customization.ConfigBeanDefaultValue;
import com.sun.enterprise.config.modularity.parser.ConfigurationParser;
import com.sun.enterprise.module.bootstrap.StartupContext;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Service;

import javax.inject.Inject;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Pickup any configuration from a downstream product and apply it, e.g remove the old config with a new one.
 *
 * @author Masoud Kalali
 */
@Service
@RunLevel(mode = RunLevel.RUNLEVEL_MODE_VALIDATING, value = 2)//from 2
public class StartupConfigBeanOverrider implements PostConstruct {

    @Inject
    ServiceLocator serviceLocator;

    @Inject
    StartupContext startupContext;

    @Inject
    private ConfigurationParser configurationParser;

    @Inject
    private ConfigModularityUtils configModularityUtils;

    private static final Logger LOG = Logger.getLogger(StartupConfigBeanOverrider.class.getName());

    @Override
    public void postConstruct() {
        LOG.info("Starting the config overriding procedure");
        List<Class> configBeans = configModularityUtils.getAnnotatedConfigBeans(ActivateOnStartup.class);
        for (Class clz : configBeans) {
            LOG.info("Overriding Config specified by: " + clz.getName());
            applyConfigIfNeeded(clz);
        }
        LOG.info("Finished the config overriding procedure");
    }

    private void applyConfigIfNeeded(Class<?> clz) {
        try {
            List<ConfigBeanDefaultValue> configBeanDefaultValueList =
                    configModularityUtils.getDefaultConfigurations(clz, configModularityUtils.getRuntimeTypePrefix(startupContext));
            configurationParser.parseAndSetConfigBean(configBeanDefaultValueList);
        } catch (Throwable tr) {
            LOG.log(Level.FINER, "Cannot override or load the default configuration", tr);
        }
    }
}