src/main/java/de/uapcore/lightpit/AbstractLightPITServlet.java

Sat, 16 May 2020 15:11:07 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 16 May 2020 15:11:07 +0200
changeset 52
67a02e79b7a1
parent 47
57cfb94ab99f
child 53
6a8498291606
permissions
-rw-r--r--

adds project selection

7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
1 /*
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
3 *
24
8137ec335416 updates copyright header
Mike Becker <universe@uap-core.de>
parents: 22
diff changeset
4 * Copyright 2018 Mike Becker. All rights reserved.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
5 *
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
8 *
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
11 *
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
15 *
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
27 *
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
28 */
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
29 package de.uapcore.lightpit;
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
30
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
31 import de.uapcore.lightpit.dao.DataAccessObjects;
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
32 import de.uapcore.lightpit.dao.postgres.PGDataAccessObjects;
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
33 import org.slf4j.Logger;
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
34 import org.slf4j.LoggerFactory;
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
35
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
36 import javax.servlet.ServletException;
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
37 import javax.servlet.http.HttpServlet;
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
38 import javax.servlet.http.HttpServletRequest;
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
39 import javax.servlet.http.HttpServletResponse;
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
40 import javax.servlet.http.HttpSession;
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
41 import java.io.IOException;
47
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
42 import java.lang.reflect.Constructor;
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
43 import java.lang.reflect.Method;
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
44 import java.lang.reflect.Modifier;
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
45 import java.sql.Connection;
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
46 import java.sql.SQLException;
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
47 import java.util.*;
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
48
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
49 /**
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
50 * A special implementation of a HTTPServlet which is focused on implementing
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
51 * the necessary functionality for {@link LightPITModule}s.
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
52 */
9
20a9b2bc9063 makes LightPITServlet abstract
Mike Becker <universe@uap-core.de>
parents: 7
diff changeset
53 public abstract class AbstractLightPITServlet extends HttpServlet {
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
54
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
55 private static final Logger LOG = LoggerFactory.getLogger(AbstractLightPITServlet.class);
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
56
43
9abf0bf44c7b renames some crappy constants
Mike Becker <universe@uap-core.de>
parents: 42
diff changeset
57 private static final String SITE_JSP = Functions.jspPath("site");
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
58
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
59 /**
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
60 * The EL proxy is necessary, because the EL resolver cannot handle annotation properties.
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
61 */
36
0f4f8f255c32 removes features that are not (and probably will not) used anyway
Mike Becker <universe@uap-core.de>
parents: 34
diff changeset
62 private LightPITModule.ELProxy moduleInfo = null;
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
63
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
64 /**
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
65 * Invocation mapping gathered from the {@link RequestMapping} annotations.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
66 * <p>
18
a94b172c3a93 user friendly error pages for codes 404, 403 and 500
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
67 * Paths in this map must always start with a leading slash, although
a94b172c3a93 user friendly error pages for codes 404, 403 and 500
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
68 * the specification in the annotation must not start with a leading slash.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
69 * <p>
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
70 * The reason for this is the different handling of empty paths in
18
a94b172c3a93 user friendly error pages for codes 404, 403 and 500
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
71 * {@link HttpServletRequest#getPathInfo()}.
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
72 */
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
73 private final Map<HttpMethod, Map<String, Method>> mappings = new HashMap<>();
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
74
45
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
75 private final List<MenuEntry> subMenu = new ArrayList<>();
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
76
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
77 /**
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
78 * Gives implementing modules access to the {@link ModuleManager}.
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
79 *
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
80 * @return the module manager
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
81 */
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
82 protected final ModuleManager getModuleManager() {
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
83 return (ModuleManager) getServletContext().getAttribute(ModuleManager.SC_ATTR_NAME);
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
84 }
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
85
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
86
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
87 /**
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
88 * Creates a set of data access objects for the specified connection.
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
89 *
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
90 * @param connection the SQL connection
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
91 * @return a set of data access objects
17
d1036b776eee adds getter for the database facade to the abstract servlet
Mike Becker <universe@uap-core.de>
parents: 15
diff changeset
92 */
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
93 private DataAccessObjects createDataAccessObjects(Connection connection) throws SQLException {
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
94 final var df = (DatabaseFacade) getServletContext().getAttribute(DatabaseFacade.SC_ATTR_NAME);
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
95 if (df.getSQLDialect() == DatabaseFacade.Dialect.Postgres) {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
96 return new PGDataAccessObjects(connection);
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
97 }
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
98 throw new AssertionError("Non-exhaustive if-else - this is a bug.");
17
d1036b776eee adds getter for the database facade to the abstract servlet
Mike Becker <universe@uap-core.de>
parents: 15
diff changeset
99 }
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
100
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
101 private ResponseType invokeMapping(Method method, HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws IOException {
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
102 try {
14
2b270c714678 changed logger implementation to log4j2
Mike Becker <universe@uap-core.de>
parents: 13
diff changeset
103 LOG.trace("invoke {}#{}", method.getDeclaringClass().getName(), method.getName());
42
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
104 final var paramTypes = method.getParameterTypes();
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
105 final var paramValues = new Object[paramTypes.length];
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
106 for (int i = 0; i < paramTypes.length; i++) {
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
107 if (paramTypes[i].isAssignableFrom(HttpServletRequest.class)) {
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
108 paramValues[i] = req;
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
109 } else if (paramTypes[i].isAssignableFrom(HttpServletResponse.class)) {
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
110 paramValues[i] = resp;
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
111 }
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
112 if (paramTypes[i].isAssignableFrom(DataAccessObjects.class)) {
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
113 paramValues[i] = dao;
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
114 }
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
115 }
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
116 return (ResponseType) method.invoke(this, paramValues);
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
117 } catch (ReflectiveOperationException | ClassCastException ex) {
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
118 LOG.error("invocation of method {} failed: {}", method.getName(), ex.getMessage());
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
119 LOG.debug("Details: ", ex);
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
120 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
121 return ResponseType.NONE;
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
122 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
123 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
124
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
125 @Override
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
126 public void init() throws ServletException {
36
0f4f8f255c32 removes features that are not (and probably will not) used anyway
Mike Becker <universe@uap-core.de>
parents: 34
diff changeset
127 moduleInfo = Optional.ofNullable(this.getClass().getAnnotation(LightPITModule.class))
0f4f8f255c32 removes features that are not (and probably will not) used anyway
Mike Becker <universe@uap-core.de>
parents: 34
diff changeset
128 .map(LightPITModule.ELProxy::new).orElse(null);
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
129
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
130 if (moduleInfo != null) {
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
131 scanForRequestMappings();
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
132 }
33
fd8c40ff78c3 fixes several warnings
Mike Becker <universe@uap-core.de>
parents: 29
diff changeset
133
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
134 LOG.trace("{} initialized", getServletName());
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
135 }
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
136
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
137 private void scanForRequestMappings() {
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
138 try {
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
139 Method[] methods = getClass().getDeclaredMethods();
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
140 for (Method method : methods) {
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
141 Optional<RequestMapping> mapping = Optional.ofNullable(method.getAnnotation(RequestMapping.class));
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
142 if (mapping.isPresent()) {
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
143 if (!Modifier.isPublic(method.getModifiers())) {
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
144 LOG.warn("{} is annotated with {} but is not public",
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
145 method.getName(), RequestMapping.class.getSimpleName()
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
146 );
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
147 continue;
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
148 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
149 if (Modifier.isAbstract(method.getModifiers())) {
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
150 LOG.warn("{} is annotated with {} but is abstract",
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
151 method.getName(), RequestMapping.class.getSimpleName()
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
152 );
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
153 continue;
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
154 }
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
155 if (!ResponseType.class.isAssignableFrom(method.getReturnType())) {
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
156 LOG.warn("{} is annotated with {} but has the wrong return type - 'ResponseType' required",
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
157 method.getName(), RequestMapping.class.getSimpleName()
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
158 );
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
159 continue;
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
160 }
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
161
42
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
162 boolean paramsInjectible = true;
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
163 for (var param : method.getParameterTypes()) {
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
164 paramsInjectible &= HttpServletRequest.class.isAssignableFrom(param)
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
165 || HttpServletResponse.class.isAssignableFrom(param)
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
166 || DataAccessObjects.class.isAssignableFrom(param);
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
167 }
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
168 if (paramsInjectible) {
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
169 final String requestPath = "/" + mapping.get().requestPath();
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
170
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
171 if (mappings
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
172 .computeIfAbsent(mapping.get().method(), k -> new HashMap<>())
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
173 .putIfAbsent(requestPath, method) != null) {
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
174 LOG.warn("{} {} has multiple mappings",
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
175 mapping.get().method(),
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
176 mapping.get().requestPath()
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
177 );
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
178 }
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
179
45
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
180 final var menuKey = mapping.get().menuKey();
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
181 if (!menuKey.isBlank()) {
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
182 subMenu.add(new MenuEntry(
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
183 new ResourceKey(moduleInfo.getBundleBaseName(), menuKey),
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
184 moduleInfo.getModulePath() + requestPath,
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
185 mapping.get().menuSequence()));
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
186 }
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
187
22
5a91fb7067af minor changes to logging output
Mike Becker <universe@uap-core.de>
parents: 21
diff changeset
188 LOG.debug("{} {} maps to {}::{}",
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
189 mapping.get().method(),
18
a94b172c3a93 user friendly error pages for codes 404, 403 and 500
Mike Becker <universe@uap-core.de>
parents: 17
diff changeset
190 requestPath,
22
5a91fb7067af minor changes to logging output
Mike Becker <universe@uap-core.de>
parents: 21
diff changeset
191 getClass().getSimpleName(),
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
192 method.getName()
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
193 );
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
194 } else {
42
f962ff9dd44e makes every parameter in a handler method optional
Mike Becker <universe@uap-core.de>
parents: 40
diff changeset
195 LOG.warn("{} is annotated with {} but has the wrong parameters - only HttpServletRequest. HttpServletResponse, and DataAccessObjects are allowed",
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
196 method.getName(), RequestMapping.class.getSimpleName()
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
197 );
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
198 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
199 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
200 }
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
201 } catch (SecurityException ex) {
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
202 LOG.error("Scan for request mappings on declared methods failed.", ex);
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
203 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
204 }
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
205
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
206 @Override
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
207 public void destroy() {
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
208 mappings.clear();
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
209 LOG.trace("{} destroyed", getServletName());
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
210 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
211
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
212 /**
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
213 * Sets the name of the dynamic fragment.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
214 * <p>
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
215 * It is sufficient to specify the name without any extension. The extension
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
216 * is added automatically if not specified.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
217 * <p>
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
218 * The fragment must be located in the dynamic fragments folder.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
219 *
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
220 * @param req the servlet request object
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
221 * @param fragmentName the name of the fragment
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
222 * @see Constants#DYN_FRAGMENT_PATH_PREFIX
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
223 */
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
224 public void setDynamicFragment(HttpServletRequest req, String fragmentName) {
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
225 req.setAttribute(Constants.REQ_ATTR_FRAGMENT, Functions.dynFragmentPath(fragmentName));
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
226 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
227
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
228 /**
47
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
229 * @param req the servlet request object
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
230 * @param location the location where to redirect
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
231 * @see Constants#REQ_ATTR_REDIRECT_LOCATION
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
232 */
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
233 public void setRedirectLocation(HttpServletRequest req, String location) {
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
234 if (location.startsWith("./")) {
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
235 location = location.replaceFirst("\\./", Functions.baseHref(req));
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
236 }
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
237 req.setAttribute(Constants.REQ_ATTR_REDIRECT_LOCATION, location);
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
238 }
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
239
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
240 /**
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
241 * Specifies the name of an additional stylesheet used by the module.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
242 * <p>
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
243 * Setting an additional stylesheet is optional, but quite common for HTML
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
244 * output.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
245 * <p>
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
246 * It is sufficient to specify the name without any extension. The extension
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
247 * is added automatically if not specified.
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
248 *
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
249 * @param req the servlet request object
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
250 * @param stylesheet the name of the stylesheet
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
251 */
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
252 public void setStylesheet(HttpServletRequest req, String stylesheet) {
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
253 req.setAttribute(Constants.REQ_ATTR_STYLESHEET, Functions.enforceExt(stylesheet, ".css"));
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
254 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
255
47
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
256 /**
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
257 * Obtains a request parameter of the specified type.
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
258 * The specified type must have a single-argument constructor accepting a string to perform conversion.
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
259 * The constructor of the specified type may throw an exception on conversion failures.
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
260 *
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
261 * @param req the servlet request object
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
262 * @param clazz the class object of the expected type
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
263 * @param name the name of the parameter
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
264 * @param <T> the expected type
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
265 * @return the parameter value or an empty optional, if no parameter with the specified name was found
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
266 */
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
267 public<T> Optional<T> getParameter(HttpServletRequest req, Class<T> clazz, String name) {
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
268 final String paramValue = req.getParameter(name);
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
269 if (paramValue == null) return Optional.empty();
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
270 if (clazz.equals(String.class)) return Optional.of((T)paramValue);
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
271 try {
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
272 final Constructor<T> ctor = clazz.getConstructor(String.class);
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
273 return Optional.of(ctor.newInstance(paramValue));
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
274 } catch (ReflectiveOperationException e) {
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
275 throw new RuntimeException(e);
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
276 }
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
277
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
278 }
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
279
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
280 private void forwardToFullView(HttpServletRequest req, HttpServletResponse resp)
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
281 throws IOException, ServletException {
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
282
36
0f4f8f255c32 removes features that are not (and probably will not) used anyway
Mike Becker <universe@uap-core.de>
parents: 34
diff changeset
283 req.setAttribute(Constants.REQ_ATTR_MENU, getModuleManager().getMainMenu());
45
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
284 req.setAttribute(Constants.REQ_ATTR_SUB_MENU, subMenu);
43
9abf0bf44c7b renames some crappy constants
Mike Becker <universe@uap-core.de>
parents: 42
diff changeset
285 req.getRequestDispatcher(SITE_JSP).forward(req, resp);
10
89e3e6e28b69 implements automatic menu generation from module information
Mike Becker <universe@uap-core.de>
parents: 9
diff changeset
286 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
287
45
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
288 private String sanitizeRequestPath(HttpServletRequest req) {
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
289 return Optional.ofNullable(req.getPathInfo()).orElse("/");
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
290 }
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
291
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
292 private Optional<Method> findMapping(HttpMethod method, HttpServletRequest req) {
45
cc7f082c5ef3 simplifies menu generation, adds submenus and removes VersionsModule (versions will be part of the ProjectsModule)
Mike Becker <universe@uap-core.de>
parents: 43
diff changeset
293 return Optional.ofNullable(mappings.get(method)).map(rm -> rm.get(sanitizeRequestPath(req)));
11
737ab27e37b3 implements simple request mapper
Mike Becker <universe@uap-core.de>
parents: 10
diff changeset
294 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
295
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
296 private void forwardAsSpecified(ResponseType type, HttpServletRequest req, HttpServletResponse resp)
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
297 throws ServletException, IOException {
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
298 switch (type) {
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
299 case NONE:
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
300 return;
43
9abf0bf44c7b renames some crappy constants
Mike Becker <universe@uap-core.de>
parents: 42
diff changeset
301 case HTML:
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
302 forwardToFullView(req, resp);
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
303 return;
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
304 // TODO: implement remaining response types
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
305 default:
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
306 throw new AssertionError("ResponseType switch is not exhaustive - this is a bug!");
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
307 }
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
308 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
309
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
310 private void doProcess(HttpMethod method, HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
27
1f2a96efa69f removes caching of main menu
Mike Becker <universe@uap-core.de>
parents: 24
diff changeset
311
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
312 // choose the requested language as session language (if available) or fall back to english, otherwise
20
bd1a76c91d5b module synchronization with database
Mike Becker <universe@uap-core.de>
parents: 18
diff changeset
313 HttpSession session = req.getSession();
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
314 if (session.getAttribute(Constants.SESSION_ATTR_LANGUAGE) == null) {
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
315 Optional<List<String>> availableLanguages = Functions.availableLanguages(getServletContext()).map(Arrays::asList);
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
316 Optional<Locale> reqLocale = Optional.of(req.getLocale());
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
317 Locale sessionLocale = reqLocale.filter((rl) -> availableLanguages.map((al) -> al.contains(rl.getLanguage())).orElse(false)).orElse(Locale.ENGLISH);
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
318 session.setAttribute(Constants.SESSION_ATTR_LANGUAGE, sessionLocale);
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
319 LOG.debug("Setting language for new session {}: {}", session.getId(), sessionLocale.getDisplayLanguage());
14
2b270c714678 changed logger implementation to log4j2
Mike Becker <universe@uap-core.de>
parents: 13
diff changeset
320 } else {
15
bb594abac796 language selector completed
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
321 Locale sessionLocale = (Locale) session.getAttribute(Constants.SESSION_ATTR_LANGUAGE);
bb594abac796 language selector completed
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
322 resp.setLocale(sessionLocale);
bb594abac796 language selector completed
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
323 LOG.trace("Continuing session {} with language {}", session.getId(), sessionLocale);
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
324 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
325
21
b213fef2539e adds first part of a module manager UI
Mike Becker <universe@uap-core.de>
parents: 20
diff changeset
326 // set some internal request attributes
47
57cfb94ab99f projects can now be added and updated
Mike Becker <universe@uap-core.de>
parents: 45
diff changeset
327 req.setAttribute(Constants.REQ_ATTR_BASE_HREF, Functions.baseHref(req));
13
f4608ad6c947 adds dynamic fragments to LightPIT request handling framework + basic language recognition code
Mike Becker <universe@uap-core.de>
parents: 12
diff changeset
328 req.setAttribute(Constants.REQ_ATTR_PATH, Functions.fullPath(req));
36
0f4f8f255c32 removes features that are not (and probably will not) used anyway
Mike Becker <universe@uap-core.de>
parents: 34
diff changeset
329 Optional.ofNullable(moduleInfo).ifPresent((proxy) -> req.setAttribute(Constants.REQ_ATTR_MODULE_INFO, proxy));
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
330
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
331 // obtain a connection and create the data access objects
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
332 final var db = (DatabaseFacade) req.getServletContext().getAttribute(DatabaseFacade.SC_ATTR_NAME);
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
333 try (final var connection = db.getDataSource().getConnection()) {
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
334 final var dao = createDataAccessObjects(connection);
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
335 try {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
336 connection.setAutoCommit(false);
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
337 // call the handler, if available, or send an HTTP 404 error
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
338 final var mapping = findMapping(method, req);
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
339 if (mapping.isPresent()) {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
340 forwardAsSpecified(invokeMapping(mapping.get(), req, resp, dao), req, resp);
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
341 } else {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
342 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
343 }
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
344 connection.commit();
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
345 } catch (SQLException ex) {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
346 LOG.warn("Database transaction failed (Code {}): {}", ex.getErrorCode(), ex.getMessage());
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
347 LOG.debug("Details: ", ex);
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
348 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Unhandled Transaction Error - Code:" + ex.getErrorCode());
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
349 connection.rollback();
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
350 }
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
351 } catch (SQLException ex) {
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
352 LOG.error("Severe Database Exception (Code {}): {}", ex.getErrorCode(), ex.getMessage());
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
353 LOG.debug("Details: ", ex);
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
354 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Database Error - Code:" + ex.getErrorCode());
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
355 }
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
356 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
357
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
358 @Override
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
359 protected final void doGet(HttpServletRequest req, HttpServletResponse resp)
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
360 throws ServletException, IOException {
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
361 doProcess(HttpMethod.GET, req, resp);
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
362 }
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
363
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
364 @Override
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
365 protected final void doPost(HttpServletRequest req, HttpServletResponse resp)
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
366 throws ServletException, IOException {
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
367 doProcess(HttpMethod.POST, req, resp);
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
368 }
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
369 }

mercurial