Sun, 17 Dec 2017 01:45:28 +0100
implements simple request mapper
universe@7 | 1 | /* |
universe@7 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@7 | 3 | * |
universe@7 | 4 | * Copyright 2017 Mike Becker. All rights reserved. |
universe@7 | 5 | * |
universe@7 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@7 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@7 | 8 | * |
universe@7 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@7 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@7 | 11 | * |
universe@7 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@7 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@7 | 14 | * documentation and/or other materials provided with the distribution. |
universe@7 | 15 | * |
universe@7 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@7 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@7 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@7 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@7 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@7 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@7 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@7 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@7 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@7 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@7 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@7 | 27 | * |
universe@7 | 28 | */ |
universe@7 | 29 | package de.uapcore.lightpit; |
universe@7 | 30 | |
universe@11 | 31 | import java.util.Optional; |
universe@11 | 32 | import javax.servlet.http.HttpServletRequest; |
universe@10 | 33 | import org.slf4j.Logger; |
universe@10 | 34 | import org.slf4j.LoggerFactory; |
universe@10 | 35 | |
universe@7 | 36 | /** |
universe@7 | 37 | * Contains common static functions. |
universe@7 | 38 | */ |
universe@10 | 39 | public final class Functions { |
universe@10 | 40 | |
universe@10 | 41 | private static final Logger LOG = LoggerFactory.getLogger(Functions.class); |
universe@7 | 42 | |
universe@7 | 43 | public static String jspPath(String filename) { |
universe@7 | 44 | return Constants.JSP_PATH_PREFIX + filename; |
universe@7 | 45 | } |
universe@10 | 46 | |
universe@11 | 47 | public static String fqn(String base, String name) { |
universe@10 | 48 | return base+"."+name; |
universe@10 | 49 | } |
universe@10 | 50 | |
universe@11 | 51 | public static String fqn(Class clazz, String name) { |
universe@11 | 52 | return fqn(clazz.getName(), name); |
universe@11 | 53 | } |
universe@11 | 54 | |
universe@11 | 55 | public static String fullPath(LightPITModule module, RequestMapping mapping) { |
universe@11 | 56 | StringBuilder sb = new StringBuilder(); |
universe@11 | 57 | sb.append(module.modulePath()); |
universe@11 | 58 | sb.append('/'); |
universe@11 | 59 | if (!mapping.requestPath().isEmpty()) { |
universe@11 | 60 | sb.append(mapping.requestPath().isEmpty()); |
universe@11 | 61 | sb.append('/'); |
universe@11 | 62 | } |
universe@11 | 63 | return sb.toString(); |
universe@11 | 64 | } |
universe@11 | 65 | |
universe@11 | 66 | public static String fullPath(HttpServletRequest req) { |
universe@11 | 67 | return req.getServletPath() + Optional.ofNullable(req.getPathInfo()).orElse(""); |
universe@10 | 68 | } |
universe@10 | 69 | |
universe@10 | 70 | /** |
universe@10 | 71 | * Returns the module path of the given LightPIT Servlet module. |
universe@10 | 72 | * |
universe@10 | 73 | * If you specify a malformed LightPIT servlet, which does not have a module |
universe@10 | 74 | * annotation, the path to the <code>/error/404.html</code> page is returned. |
universe@10 | 75 | * |
universe@10 | 76 | * @param clazz the servlet class |
universe@10 | 77 | * @return the module path |
universe@10 | 78 | */ |
universe@10 | 79 | public static String modulePathOf(Class<? extends AbstractLightPITServlet> clazz) { |
universe@11 | 80 | Optional<LightPITModule> moduleInfo = Optional.ofNullable(clazz.getAnnotation(LightPITModule.class)); |
universe@11 | 81 | if (moduleInfo.isPresent()) { |
universe@11 | 82 | return moduleInfo.get().modulePath(); |
universe@11 | 83 | } else { |
universe@10 | 84 | LOG.warn( |
universe@10 | 85 | "{} is a LightPIT Servlet but is missing the module annotation.", |
universe@10 | 86 | clazz.getName() |
universe@10 | 87 | ); |
universe@10 | 88 | return "/error/404.html"; |
universe@10 | 89 | } |
universe@10 | 90 | } |
universe@10 | 91 | |
universe@10 | 92 | /** |
universe@10 | 93 | * This class is not instantiatable. |
universe@10 | 94 | */ |
universe@10 | 95 | private Functions() {} |
universe@7 | 96 | } |