Examples with NamespaceHandlerSet org.apache.aries.blueprint.parser.NamespaceHandlerSet used on opensource projects

Example 6 with NamespaceHandlerSet

use of org.apache.aries.blueprint.parser.NamespaceHandlerSet in project aries by apache.

the class BlueprintContextListener method contextInitialized.

public void contextInitialized(ServletContextEvent event) {
    ServletContext servletContext = event.getServletContext();
    String location = servletContext.getInitParameter(CONTEXT_LOCATION);
    if (location == null) {
        location = DEFAULT_CONTEXT_LOCATION;
    }
    List<URL> resourcePaths = new ArrayList<URL>();
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    try {
        Enumeration<URL> resources = classLoader.getResources(location);
        while (resources.hasMoreElements()) {
            resourcePaths.add(resources.nextElement());
        }
        servletContext.log("Loading Blueprint contexts " + resourcePaths);
        Map<String, String> properties = new HashMap<String, String>();
        String propLocations = servletContext.getInitParameter(PROPERTIES);
        if (propLocations != null) {
            for (String propLoc : propLocations.split(",")) {
                Enumeration<URL> propUrl = classLoader.getResources(propLoc);
                while (propUrl.hasMoreElements()) {
                    URL url = propUrl.nextElement();
                    InputStream is = url.openStream();
                    try {
                        Properties props = new Properties();
                        props.load(is);
                        Enumeration names = props.propertyNames();
                        while (names.hasMoreElements()) {
                            String key = names.nextElement().toString();
                            properties.put(key, props.getProperty(key));
                        }
                    } finally {
                        is.close();
                    }
                }
            }
        }
        NamespaceHandlerSet nsHandlerSet = getNamespaceHandlerSet(servletContext, classLoader);
        BlueprintContainerImpl container = new BlueprintContainerImpl(classLoader, resourcePaths, properties, nsHandlerSet, true);
        servletContext.setAttribute(CONTAINER_ATTRIBUTE, container);
    } catch (Exception e) {
        servletContext.log("Failed to startup blueprint container. " + e, e);
    }
}