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

Sun, 20 Dec 2020 11:06:25 +0100

author
Mike Becker <universe@uap-core.de>
date
Sun, 20 Dec 2020 11:06:25 +0100
changeset 166
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parent 163
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child 167
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permissions
-rw-r--r--

minimize footprint of flexmark - fixes #116

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2018 Mike Becker. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 *
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28 */
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29 package de.uapcore.lightpit;
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30
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31 import de.uapcore.lightpit.dao.DaoProvider;
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32 import de.uapcore.lightpit.dao.postgres.PGDaoProvider;
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33 import org.slf4j.Logger;
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34 import org.slf4j.LoggerFactory;
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35
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36 import javax.servlet.ServletException;
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37 import javax.servlet.http.HttpServlet;
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38 import javax.servlet.http.HttpServletRequest;
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39 import javax.servlet.http.HttpServletResponse;
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40 import javax.servlet.http.HttpSession;
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41 import java.io.IOException;
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42 import java.lang.reflect.*;
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43 import java.sql.Connection;
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44 import java.sql.SQLException;
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45 import java.util.*;
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46 import java.util.function.Function;
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47 import java.util.stream.Collectors;
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49 /**
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50 * A special implementation of a HTTPServlet which is focused on implementing
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51 * the necessary functionality for LightPIT pages.
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52 */
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53 public abstract class AbstractLightPITServlet extends HttpServlet {
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54
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55 private static final Logger LOG = LoggerFactory.getLogger(AbstractLightPITServlet.class);
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56
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57 private static final String SITE_JSP = jspPath("site");
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59
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60 @FunctionalInterface
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61 protected interface SQLFindFunction<K, T> {
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62 T apply(K key) throws SQLException;
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64 default <V> SQLFindFunction<V, T> compose(Function<? super V, ? extends K> before) throws SQLException {
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65 Objects.requireNonNull(before);
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66 return (v) -> this.apply(before.apply(v));
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67 }
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69 default <V> SQLFindFunction<K, V> andThen(Function<? super T, ? extends V> after) throws SQLException {
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70 Objects.requireNonNull(after);
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71 return (t) -> after.apply(this.apply(t));
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72 }
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74 static <K> Function<K, K> identity() {
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75 return (t) -> t;
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76 }
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77 }
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78
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79 /**
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80 * Invocation mapping gathered from the {@link RequestMapping} annotations.
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81 * <p>
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82 * Paths in this map must always start with a leading slash, although
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83 * the specification in the annotation must not start with a leading slash.
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84 * <p>
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85 * The reason for this is the different handling of empty paths in
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86 * {@link HttpServletRequest#getPathInfo()}.
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87 */
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88 private final Map<HttpMethod, Map<PathPattern, Method>> mappings = new HashMap<>();
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89
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90 /**
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91 * Returns the name of the resource bundle associated with this servlet.
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92 *
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93 * @return the resource bundle base name
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94 */
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95 protected abstract String getResourceBundleName();
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96
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97
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98 /**
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99 * Creates a set of data access objects for the specified connection.
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100 *
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101 * @param connection the SQL connection
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102 * @return a set of data access objects
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103 */
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104 private DaoProvider createDataAccessObjects(Connection connection) throws SQLException {
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105 final var df = (DataSourceProvider) getServletContext().getAttribute(DataSourceProvider.Companion.getSC_ATTR_NAME());
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106 if (df.getDialect() == DataSourceProvider.Dialect.Postgres) {
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107 return new PGDaoProvider(connection);
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108 }
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109 throw new UnsupportedOperationException("Non-exhaustive if-else - this is a bug.");
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110 }
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111
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112 private void invokeMapping(Map.Entry<PathPattern, Method> mapping, HttpServletRequest req, HttpServletResponse resp, DaoProvider dao) throws IOException {
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113 final var pathPattern = mapping.getKey();
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114 final var method = mapping.getValue();
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115 try {
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116 LOG.trace("invoke {}#{}", method.getDeclaringClass().getName(), method.getName());
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117 final var paramTypes = method.getParameterTypes();
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118 final var paramValues = new Object[paramTypes.length];
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119 for (int i = 0; i < paramTypes.length; i++) {
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120 if (paramTypes[i].isAssignableFrom(HttpServletRequest.class)) {
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121 paramValues[i] = req;
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122 } else if (paramTypes[i].isAssignableFrom(HttpServletResponse.class)) {
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123 paramValues[i] = resp;
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124 }
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125 if (paramTypes[i].isAssignableFrom(DaoProvider.class)) {
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126 paramValues[i] = dao;
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127 }
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128 if (paramTypes[i].isAssignableFrom(PathParameters.class)) {
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129 paramValues[i] = pathPattern.obtainPathParameters(sanitizeRequestPath(req));
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130 }
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131 }
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132 method.invoke(this, paramValues);
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133 } catch (InvocationTargetException ex) {
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134 LOG.error("invocation of method {}::{} failed: {}",
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135 method.getDeclaringClass().getName(), method.getName(), ex.getTargetException().getMessage());
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136 LOG.debug("Details: ", ex.getTargetException());
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137 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, ex.getTargetException().getMessage());
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138 } catch (ReflectiveOperationException | ClassCastException ex) {
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139 LOG.error("invocation of method {}::{} failed: {}",
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140 method.getDeclaringClass().getName(), method.getName(), ex.getMessage());
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141 LOG.debug("Details: ", ex);
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142 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, ex.getMessage());
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143 }
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144 }
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145
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146 @Override
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147 public void init() throws ServletException {
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148 scanForRequestMappings();
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149
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150 LOG.trace("{} initialized", getServletName());
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151 }
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152
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153 private void scanForRequestMappings() {
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154 try {
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155 Method[] methods = getClass().getDeclaredMethods();
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156 for (Method method : methods) {
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157 Optional<RequestMapping> mapping = Optional.ofNullable(method.getAnnotation(RequestMapping.class));
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158 if (mapping.isPresent()) {
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159 if (mapping.get().requestPath().isBlank()) {
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160 LOG.warn("{} is annotated with {} but request path is empty",
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161 method.getName(), RequestMapping.class.getSimpleName()
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162 );
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163 continue;
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164 }
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165
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166 if (!Modifier.isPublic(method.getModifiers())) {
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167 LOG.warn("{} is annotated with {} but is not public",
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168 method.getName(), RequestMapping.class.getSimpleName()
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169 );
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170 continue;
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171 }
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172 if (Modifier.isAbstract(method.getModifiers())) {
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173 LOG.warn("{} is annotated with {} but is abstract",
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174 method.getName(), RequestMapping.class.getSimpleName()
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175 );
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176 continue;
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177 }
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178
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179 boolean paramsInjectible = true;
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180 for (var param : method.getParameterTypes()) {
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181 paramsInjectible &= HttpServletRequest.class.isAssignableFrom(param)
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182 || HttpServletResponse.class.isAssignableFrom(param)
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183 || PathParameters.class.isAssignableFrom(param)
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184 || DaoProvider.class.isAssignableFrom(param);
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185 }
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186 if (paramsInjectible) {
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187 try {
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188 PathPattern pathPattern = new PathPattern(mapping.get().requestPath());
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189
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190 final var methodMappings = mappings.computeIfAbsent(mapping.get().method(), k -> new HashMap<>());
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191 final var currentMapping = methodMappings.putIfAbsent(pathPattern, method);
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192 if (currentMapping != null) {
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193 LOG.warn("Cannot map {} {} to {} in class {} - this would override the mapping to {}",
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194 mapping.get().method(),
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195 mapping.get().requestPath(),
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196 method.getName(),
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197 getClass().getSimpleName(),
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198 currentMapping.getName()
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199 );
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200 }
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201
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202 LOG.debug("{} {} maps to {}::{}",
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203 mapping.get().method(),
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204 mapping.get().requestPath(),
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205 getClass().getSimpleName(),
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206 method.getName()
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207 );
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208 } catch (IllegalArgumentException ex) {
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209 LOG.warn("Request mapping for {} failed: path pattern '{}' is syntactically invalid",
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210 method.getName(), mapping.get().requestPath()
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211 );
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212 }
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213 } else {
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214 LOG.warn("{} is annotated with {} but has the wrong parameters - only HttpServletRequest, HttpServletResponse, PathParameters, and DataAccessObjects are allowed",
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215 method.getName(), RequestMapping.class.getSimpleName()
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216 );
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217 }
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218 }
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219 }
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220 } catch (SecurityException ex) {
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221 LOG.error("Scan for request mappings on declared methods failed.", ex);
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222 }
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223 }
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224
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225 @Override
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226 public void destroy() {
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227 mappings.clear();
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228 LOG.trace("{} destroyed", getServletName());
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229 }
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230
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231 /**
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232 * Sets the name of the content page.
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233 * <p>
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234 * It is sufficient to specify the name without any extension. The extension
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235 * is added automatically if not specified.
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236 *
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237 * @param req the servlet request object
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238 * @param pageName the name of the content page
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239 * @see Constants#REQ_ATTR_CONTENT_PAGE
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240 */
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241 protected void setContentPage(HttpServletRequest req, String pageName) {
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242 req.setAttribute(Constants.REQ_ATTR_CONTENT_PAGE, jspPath(pageName));
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243 }
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244
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245 /**
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246 * Sets the navigation menu.
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247 *
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248 * @param req the servlet request object
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249 * @param jspName the name of the menu's jsp file
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250 * @see Constants#REQ_ATTR_NAVIGATION
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251 */
109
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252 protected void setNavigationMenu(HttpServletRequest req, String jspName) {
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253 req.setAttribute(Constants.REQ_ATTR_NAVIGATION, jspPath(jspName));
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254 }
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255
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256 /**
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257 * @param req the servlet request object
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258 * @param location the location where to redirect
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259 * @see Constants#REQ_ATTR_REDIRECT_LOCATION
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260 */
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261 protected void setRedirectLocation(HttpServletRequest req, String location) {
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262 if (location.startsWith("./")) {
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263 location = location.replaceFirst("\\./", baseHref(req));
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264 }
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265 req.setAttribute(Constants.REQ_ATTR_REDIRECT_LOCATION, location);
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266 }
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267
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268 /**
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269 * Specifies the names of additional stylesheets used by this Servlet.
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270 * <p>
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271 * It is sufficient to specify the name without any extension. The extension
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272 * is added automatically if not specified.
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273 *
163
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274 * @param req the servlet request object
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275 * @param stylesheets the names of the stylesheets
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276 */
163
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277 public void setStylesheet(HttpServletRequest req, String ... stylesheets) {
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278 req.setAttribute(Constants.REQ_ATTR_STYLESHEET, Arrays
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279 .stream(stylesheets)
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280 .map(s -> enforceExt(s, ".css"))
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281 .collect(Collectors.toUnmodifiableList()));
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282 }
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283
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284 /**
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285 * Sets the view model object.
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286 * The type must match the expected type in the JSP file.
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287 *
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288 * @param req the servlet request object
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289 * @param viewModel the view model object
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290 */
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291 public void setViewModel(HttpServletRequest req, Object viewModel) {
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292 req.setAttribute(Constants.REQ_ATTR_VIEWMODEL, viewModel);
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293 }
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294
131
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295 private <T> Optional<T> parseParameter(String paramValue, Class<T> clazz) {
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296 if (paramValue == null) return Optional.empty();
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297 if (clazz.equals(Boolean.class)) {
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298 if (paramValue.toLowerCase().equals("false") || paramValue.equals("0")) {
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299 return Optional.of((T) Boolean.FALSE);
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300 } else {
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301 return Optional.of((T) Boolean.TRUE);
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302 }
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303 }
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304 if (clazz.equals(String.class)) return Optional.of((T) paramValue);
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305 if (java.sql.Date.class.isAssignableFrom(clazz)) {
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306 try {
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307 return Optional.of((T) java.sql.Date.valueOf(paramValue));
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308 } catch (IllegalArgumentException ex) {
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309 return Optional.empty();
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310 }
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311 }
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312 try {
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313 final Constructor<T> ctor = clazz.getConstructor(String.class);
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314 return Optional.of(ctor.newInstance(paramValue));
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315 } catch (ReflectiveOperationException e) {
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316 // does not type check and is not convertible - treat as if the parameter was never set
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317 return Optional.empty();
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318 }
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319 }
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320
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321 /**
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322 * Obtains a request parameter of the specified type.
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323 * The specified type must have a single-argument constructor accepting a string to perform conversion.
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324 * The constructor of the specified type may throw an exception on conversion failures.
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325 *
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326 * @param req the servlet request object
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327 * @param clazz the class object of the expected type
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328 * @param name the name of the parameter
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329 * @param <T> the expected type
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330 * @return the parameter value or an empty optional, if no parameter with the specified name was found
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331 */
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332 protected <T> Optional<T> getParameter(HttpServletRequest req, Class<T> clazz, String name) {
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333 if (clazz.isArray()) {
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334 final String[] paramValues = req.getParameterValues(name);
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335 int len = paramValues == null ? 0 : paramValues.length;
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336 final var array = (T) Array.newInstance(clazz.getComponentType(), len);
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337 for (int i = 0; i < len; i++) {
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338 try {
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339 final Constructor<?> ctor = clazz.getComponentType().getConstructor(String.class);
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340 Array.set(array, i, ctor.newInstance(paramValues[i]));
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341 } catch (ReflectiveOperationException e) {
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342 throw new RuntimeException(e);
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343 }
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344 }
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345 return Optional.of(array);
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346 } else {
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347 return parseParameter(req.getParameter(name), clazz);
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348 }
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349 }
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350
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351 /**
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352 * Tries to look up an entity with a key obtained from a request parameter.
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353 *
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354 * @param req the servlet request object
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355 * @param clazz the class representing the type of the request parameter
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356 * @param name the name of the request parameter
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357 * @param find the find function (typically a DAO function)
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358 * @param <T> the type of the request parameter
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359 * @param <R> the type of the looked up entity
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360 * @return the retrieved entity or an empty optional if there is no such entity or the request parameter was missing
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361 * @throws SQLException if the find function throws an exception
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362 */
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363 protected <T, R> Optional<R> findByParameter(HttpServletRequest req, Class<T> clazz, String name, SQLFindFunction<? super T, ? extends R> find) throws SQLException {
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364 final var param = getParameter(req, clazz, name);
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365 if (param.isPresent()) {
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366 return Optional.ofNullable(find.apply(param.get()));
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367 } else {
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368 return Optional.empty();
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369 }
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370 }
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371
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372 private String sanitizeRequestPath(HttpServletRequest req) {
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373 return Optional.ofNullable(req.getPathInfo()).orElse("/");
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374 }
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375
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376 private Optional<Map.Entry<PathPattern, Method>> findMapping(HttpMethod method, HttpServletRequest req) {
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377 return Optional.ofNullable(mappings.get(method)).flatMap(rm ->
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378 rm.entrySet().stream().filter(
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379 kv -> kv.getKey().matches(sanitizeRequestPath(req))
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380 ).findAny()
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381 );
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382 }
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383
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384 protected void renderSite(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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385 req.getRequestDispatcher(SITE_JSP).forward(req, resp);
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386 }
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387
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388 protected Optional<String[]> availableLanguages() {
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389 return Optional.ofNullable(getServletContext().getInitParameter(Constants.CTX_ATTR_LANGUAGES)).map((x) -> x.split("\\s*,\\s*"));
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390 }
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391
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392 private static String baseHref(HttpServletRequest req) {
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393 return String.format("%s://%s:%d%s/",
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394 req.getScheme(),
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395 req.getServerName(),
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396 req.getServerPort(),
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397 req.getContextPath());
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398 }
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399
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400 private static String enforceExt(String filename, String ext) {
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401 return filename.endsWith(ext) ? filename : filename + ext;
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402 }
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403
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404 private static String jspPath(String filename) {
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405 return enforceExt(Constants.JSP_PATH_PREFIX + filename, ".jsp");
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406 }
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407
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408 private void doProcess(HttpMethod method, HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
160
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409 // the very first thing to do is to force UTF-8
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410 req.setCharacterEncoding("UTF-8");
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411
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412 // choose the requested language as session language (if available) or fall back to english, otherwise
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413 HttpSession session = req.getSession();
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414 if (session.getAttribute(Constants.SESSION_ATTR_LANGUAGE) == null) {
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415 Optional<List<String>> availableLanguages = availableLanguages().map(Arrays::asList);
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416 Optional<Locale> reqLocale = Optional.of(req.getLocale());
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417 Locale sessionLocale = reqLocale.filter((rl) -> availableLanguages.map((al) -> al.contains(rl.getLanguage())).orElse(false)).orElse(Locale.ENGLISH);
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418 session.setAttribute(Constants.SESSION_ATTR_LANGUAGE, sessionLocale);
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419 LOG.debug("Setting language for new session {}: {}", session.getId(), sessionLocale.getDisplayLanguage());
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420 } else {
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421 Locale sessionLocale = (Locale) session.getAttribute(Constants.SESSION_ATTR_LANGUAGE);
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422 resp.setLocale(sessionLocale);
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423 LOG.trace("Continuing session {} with language {}", session.getId(), sessionLocale);
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424 }
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425
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426 // set some internal request attributes
158
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427 final String fullPath = req.getServletPath() + Optional.ofNullable(req.getPathInfo()).orElse("");
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428 req.setAttribute(Constants.REQ_ATTR_BASE_HREF, baseHref(req));
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6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
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parents: 47
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429 req.setAttribute(Constants.REQ_ATTR_PATH, fullPath);
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bb4c52bf3439 bloat removal 2/3 - moduleInfo
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430 req.setAttribute(Constants.REQ_ATTR_RESOURCE_BUNDLE, getResourceBundleName());
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824d4042c857 cleanup and simplification of database access layer
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parents: 33
diff changeset
431
53
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
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parents: 47
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432 // if this is an error path, bypass the normal flow
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
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parents: 47
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433 if (fullPath.startsWith("/error/")) {
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
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434 final var mapping = findMapping(method, req);
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
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435 if (mapping.isPresent()) {
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1e6f16fad3a5 removes ResponseType enum
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436 invokeMapping(mapping.get(), req, resp, null);
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6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
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parents: 47
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437 }
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
diff changeset
438 return;
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
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439 }
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
diff changeset
440
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
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441 // obtain a connection and create the data access objects
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b3f14cd4f3ab migrate DataSourceProvider
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442 final var db = (DataSourceProvider) req.getServletContext().getAttribute(DataSourceProvider.Companion.getSC_ATTR_NAME());
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parents: 47
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443 final var ds = db.getDataSource();
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
diff changeset
444 if (ds == null) {
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
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parents: 47
diff changeset
445 resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "JNDI DataSource lookup failed. See log for details.");
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
diff changeset
446 return;
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
diff changeset
447 }
6a8498291606 fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)
Mike Becker <universe@uap-core.de>
parents: 47
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448 try (final var connection = ds.getConnection()) {
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cf85ef18f231 adds DAO for Project entity and save/update methods
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parents: 36
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449 final var dao = createDataAccessObjects(connection);
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
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450 try {
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
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451 connection.setAutoCommit(false);
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Mike Becker <universe@uap-core.de>
parents: 38
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452 // call the handler, if available, or send an HTTP 404 error
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Mike Becker <universe@uap-core.de>
parents: 38
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453 final var mapping = findMapping(method, req);
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Mike Becker <universe@uap-core.de>
parents: 38
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454 if (mapping.isPresent()) {
157
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parents: 151
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455 invokeMapping(mapping.get(), req, resp, dao);
39
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parents: 38
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456 } else {
e722861558bb fixes minor issues that were reported by default inspection
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parents: 38
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457 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
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parents: 38
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458 }
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
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459 connection.commit();
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parents: 38
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460 } catch (SQLException ex) {
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parents: 38
diff changeset
461 LOG.warn("Database transaction failed (Code {}): {}", ex.getErrorCode(), ex.getMessage());
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parents: 38
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462 LOG.debug("Details: ", ex);
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77e01cda5a40 adds missing spaces in error messages
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parents: 53
diff changeset
463 resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Unhandled Transaction Error - Code: " + ex.getErrorCode());
39
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Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
464 connection.rollback();
38
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
465 }
cf85ef18f231 adds DAO for Project entity and save/update methods
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
466 } catch (SQLException ex) {
39
e722861558bb fixes minor issues that were reported by default inspection
Mike Becker <universe@uap-core.de>
parents: 38
diff changeset
467 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
468 LOG.debug("Details: ", ex);
54
77e01cda5a40 adds missing spaces in error messages
Mike Becker <universe@uap-core.de>
parents: 53
diff changeset
469 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
470 }
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
471 }
34
824d4042c857 cleanup and simplification of database access layer
Mike Becker <universe@uap-core.de>
parents: 33
diff changeset
472
7
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
473 @Override
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
474 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
475 throws ServletException, IOException {
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
476 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
477 }
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
478
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
479 @Override
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
480 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
481 throws ServletException, IOException {
12
005d27918b57 implements ResponseTypes
Mike Becker <universe@uap-core.de>
parents: 11
diff changeset
482 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
483 }
598670d5b0b8 core functionality should also use the modules system, changed the code structure accordingly
Mike Becker <universe@uap-core.de>
parents:
diff changeset
484 }

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