Examples with ResourceClassLoaderFactory io.gravitee.plugin.resource.ResourceClassLoaderFactory used on opensource projects

Example 1 with ResourceClassLoaderFactory

use of io.gravitee.plugin.resource.ResourceClassLoaderFactory in project gravitee-gateway by gravitee-io.

the class ResourceManagerImpl method initialize.

private void initialize() {
    ResourcePluginManager rpm = applicationContext.getBean(ResourcePluginManager.class);
    ResourceClassLoaderFactory rclf = applicationContext.getBean(ResourceClassLoaderFactory.class);
    ResourceConfigurationFactory rcf = applicationContext.getBean(ResourceConfigurationFactory.class);
    ReactorHandler rh = applicationContext.getBean(ReactorHandler.class);
    Reactable reactable = rh.reactable();
    Set<Resource> resourceDeps = reactable.dependencies(Resource.class);
    resourceDeps.forEach(resource -> {
        final ResourcePlugin resourcePlugin = rpm.get(resource.getType());
        if (resourcePlugin == null) {
            logger.error("Resource [{}] can not be found in plugin registry", resource.getType());
            throw new IllegalStateException("Resource [" + resource.getType() + "] can not be found in plugin registry");
        }
        PluginClassLoader resourceClassLoader = rclf.getOrCreateClassLoader(resourcePlugin, rh.classloader());
        logger.debug("Loading resource {} for {}", resource.getName(), rh);
        try {
            Class<? extends io.gravitee.resource.api.Resource> resourceClass = (Class<? extends io.gravitee.resource.api.Resource>) ClassUtils.forName(resourcePlugin.resource().getName(), resourceClassLoader);
            Map<Class<?>, Object> injectables = new HashMap<>();
            if (resourcePlugin.configuration() != null) {
                Class<? extends ResourceConfiguration> resourceConfigurationClass = (Class<? extends ResourceConfiguration>) ClassUtils.forName(resourcePlugin.configuration().getName(), resourceClassLoader);
                injectables.put(resourceConfigurationClass, rcf.create(resourceConfigurationClass, resource.getConfiguration()));
            }
            io.gravitee.resource.api.Resource resourceInstance = new ResourceFactory().create(resourceClass, injectables);
            if (resourceInstance instanceof ApplicationContextAware) {
                ((ApplicationContextAware) resourceInstance).setApplicationContext(applicationContext);
            }
            resources.put(resource.getName(), resourceInstance);
        } catch (Exception ex) {
            logger.error("Unable to create resource", ex);
            if (resourceClassLoader != null) {
                try {
                    resourceClassLoader.close();
                } catch (IOException ioe) {
                    logger.error("Unable to close classloader for resource", ioe);
                }
            }
        }
    });
}