Examples with DirectoryHandler jmri.web.servlet.directory.DirectoryHandler used on opensource projects

Example 1 with DirectoryHandler

use of jmri.web.servlet.directory.DirectoryHandler in project JMRI by JMRI.

the class WebServer method registerResource.

/**
     * Register a URL pattern to return resources from the file system. The
     * filePath may start with any of the following:
     * <ol>
     * <li>{@link jmri.util.FileUtil#PREFERENCES}
     * <li>{@link jmri.util.FileUtil#PROFILE}
     * <li>{@link jmri.util.FileUtil#SETTINGS}
     * <li>{@link jmri.util.FileUtil#PROGRAM}
     * </ol>
     * Note that the filePath can be overridden by an otherwise identical
     * filePath starting with any of the portable paths above it in the
     * preceding list.
     *
     * @param urlPattern the pattern to get resources for
     * @param filePath   the portable path for the resources
     * @throws IllegalArgumentException if urlPattern is already registered to
     *                                  deny access or for a servlet or if
     *                                  filePath is not allowed
     */
public void registerResource(String urlPattern, String filePath) throws IllegalArgumentException {
    if (this.registeredUrls.get(urlPattern) != null) {
        throw new IllegalArgumentException("urlPattern \"" + urlPattern + "\" is already registered.");
    }
    this.registeredUrls.put(urlPattern, Registration.RESOURCE);
    ServletContextHandler servletContext = new ServletContextHandler(ServletContextHandler.NO_SECURITY);
    servletContext.setContextPath(urlPattern);
    HandlerList handlers = new HandlerList();
    if (filePath.startsWith(FileUtil.PROGRAM) && !filePath.equals(FileUtil.PROGRAM)) {
        // make it possible to override anything under program: with an identical path under preference:, profile:, or settings:
        log.debug("Setting up handler chain for {}", urlPattern);
        ResourceHandler preferenceHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.PROGRAM, FileUtil.PREFERENCES)));
        ResourceHandler projectHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.PROGRAM, FileUtil.PROFILE)));
        ResourceHandler settingsHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.PROGRAM, FileUtil.SETTINGS)));
        ResourceHandler programHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath));
        handlers.setHandlers(new Handler[] { preferenceHandler, projectHandler, settingsHandler, programHandler, new DefaultHandler() });
    } else if (filePath.startsWith(FileUtil.SETTINGS) && !filePath.equals(FileUtil.SETTINGS)) {
        // make it possible to override anything under settings: with an identical path under preference: or profile:
        log.debug("Setting up handler chain for {}", urlPattern);
        ResourceHandler preferenceHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.SETTINGS, FileUtil.PREFERENCES)));
        ResourceHandler projectHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.PROGRAM, FileUtil.PROFILE)));
        ResourceHandler settingsHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath));
        handlers.setHandlers(new Handler[] { preferenceHandler, projectHandler, settingsHandler, new DefaultHandler() });
    } else if (filePath.startsWith(FileUtil.PROFILE) && !filePath.equals(FileUtil.PROFILE)) {
        // make it possible to override anything under profile: with an identical path under preference:
        log.debug("Setting up handler chain for {}", urlPattern);
        ResourceHandler preferenceHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.SETTINGS, FileUtil.PREFERENCES)));
        ResourceHandler projectHandler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath.replace(FileUtil.PROGRAM, FileUtil.PROFILE)));
        handlers.setHandlers(new Handler[] { preferenceHandler, projectHandler, new DefaultHandler() });
    } else if (FileUtil.isPortableFilename(filePath)) {
        log.debug("Setting up handler chain for {}", urlPattern);
        ResourceHandler handler = new DirectoryHandler(FileUtil.getAbsoluteFilename(filePath));
        handlers.setHandlers(new Handler[] { handler, new DefaultHandler() });
    } else if (URIforPortablePath(filePath) == null) {
        throw new IllegalArgumentException("\"" + filePath + "\" is not allowed.");
    }
    ContextHandler handlerContext = new ContextHandler();
    handlerContext.setContextPath(urlPattern);
    handlerContext.setHandler(handlers);
    ((ContextHandlerCollection) this.server.getHandler()).addHandler(handlerContext);
}