--- a/src/java/de/uapcore/lightpit/Functions.java Sun Apr 08 16:51:15 2018 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,113 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2018 Mike Becker. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -package de.uapcore.lightpit; - -import java.util.Optional; -import javax.servlet.ServletContext; -import javax.servlet.http.HttpServletRequest; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * Contains common static functions. - */ -public final class Functions { - - private static final Logger LOG = LoggerFactory.getLogger(Functions.class); - - public static Optional<String[]> availableLanguages(ServletContext ctx) { - return Optional.ofNullable(ctx.getInitParameter(Constants.CTX_ATTR_LANGUAGES)).map((x) -> x.split("\\s*,\\s*")); - } - - public static String enforceExt(String filename, String ext) { - return filename.endsWith(ext) ? filename : filename + ext; - } - - public static String jspPath(String filename) { - return enforceExt(Constants.JSP_PATH_PREFIX + filename, ".jsp"); - } - - public static String jspfPath(String filename) { - return enforceExt(Constants.JSPF_PATH_PREFIX + filename, ".jspf"); - } - - public static String dynFragmentPath(String filename) { - return enforceExt(Constants.DYN_FRAGMENT_PATH_PREFIX + filename, ".jsp"); - } - - public static String fqn(String base, String name) { - return base+"."+name; - } - - public static String fqn(Class clazz, String name) { - return fqn(clazz.getName(), name); - } - - public static String fullPath(LightPITModule module, RequestMapping mapping) { - StringBuilder sb = new StringBuilder(); - sb.append(module.modulePath()); - sb.append('/'); - if (!mapping.requestPath().isEmpty()) { - sb.append(mapping.requestPath().isEmpty()); - sb.append('/'); - } - return sb.toString(); - } - - public static String fullPath(HttpServletRequest req) { - return req.getServletPath() + Optional.ofNullable(req.getPathInfo()).orElse(""); - } - - /** - * Returns the module path of the given LightPIT Servlet module. - * - * If you specify a malformed LightPIT servlet, which does not have a module - * annotation, the path to the <code>/error/404.html</code> page is returned. - * - * @param clazz the servlet class - * @return the module path - */ - public static String modulePathOf(Class<? extends AbstractLightPITServlet> clazz) { - Optional<LightPITModule> moduleInfo = Optional.ofNullable(clazz.getAnnotation(LightPITModule.class)); - if (moduleInfo.isPresent()) { - return moduleInfo.get().modulePath(); - } else { - LOG.warn( - "{} is a LightPIT Servlet but is missing the module annotation.", - clazz.getName() - ); - return "/error/404.html"; - } - } - - /** - * This class is not instantiatable. - */ - private Functions() {} -}