1 | // License: GPL. See LICENSE file for details.
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2 | package org.openstreetmap.josm.data.validation.tests;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.io.InputStreamReader;
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7 | import java.io.Reader;
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8 | import java.nio.charset.StandardCharsets;
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9 | import java.util.ArrayList;
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10 | import java.util.Arrays;
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11 | import java.util.Collections;
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12 | import java.util.List;
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13 |
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14 | import javax.script.Invocable;
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15 | import javax.script.ScriptEngine;
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16 | import javax.script.ScriptEngineManager;
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17 | import javax.script.ScriptException;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.command.ChangePropertyCommand;
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21 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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22 | import org.openstreetmap.josm.data.validation.FixableTestError;
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23 | import org.openstreetmap.josm.data.validation.Severity;
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24 | import org.openstreetmap.josm.data.validation.Test;
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25 | import org.openstreetmap.josm.data.validation.TestError;
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26 | import org.openstreetmap.josm.io.CachedFile;
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27 |
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28 | /**
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29 | * Tests the correct usage of the opening hour syntax of the tags
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30 | * {@code opening_hours}, {@code collection_times}, {@code service_times} according to
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31 | * <a href="https://github.com/ypid/opening_hours.js">opening_hours.js</a>.
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32 | *
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33 | * @since 6370
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34 | */
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35 | public class OpeningHourTest extends Test.TagTest {
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36 |
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37 | /**
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38 | * Javascript engine
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39 | */
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40 | public static final ScriptEngine ENGINE = new ScriptEngineManager().getEngineByName("JavaScript");
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41 |
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42 | /**
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43 | * Constructs a new {@code OpeningHourTest}.
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44 | */
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45 | public OpeningHourTest() {
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46 | super(tr("Opening hours syntax"),
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47 | tr("This test checks the correct usage of the opening hours syntax."));
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48 | }
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49 |
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50 | @Override
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51 | public void initialize() throws Exception {
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52 | super.initialize();
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53 | if (ENGINE != null) {
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54 | try (Reader reader = new InputStreamReader(
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55 | new CachedFile("resource://data/validator/opening_hours.js").getInputStream(), StandardCharsets.UTF_8)) {
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56 | ENGINE.eval(reader);
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57 | // fake country/state to not get errors on holidays
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58 | ENGINE.eval("var nominatimJSON = {address: {state: 'Bayern', country_code: 'de'}};");
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59 | ENGINE.eval(
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60 | "var oh = function (value, mode) {" +
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61 | " try {" +
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62 | " var r= new opening_hours(value, nominatimJSON, mode);" +
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63 | " r.getErrors = function() {return [];};" +
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64 | " return r;" +
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65 | " } catch(err) {" +
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66 | " return {" +
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67 | " getWarnings: function() {return [];}," +
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68 | " getErrors: function() {return [err.toString()]}" +
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69 | " };" +
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70 | " }" +
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71 | "};");
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72 | }
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73 | } else {
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74 | Main.warn("Unable to initialize OpeningHourTest because no JavaScript engine has been found");
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75 | }
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76 | }
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77 |
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78 | static enum CheckMode {
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79 | TIME_RANGE(0), POINTS_IN_TIME(1), BOTH(2);
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80 | final int code;
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81 |
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82 | CheckMode(int code) {
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83 | this.code = code;
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84 | }
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85 | }
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86 |
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87 | protected Object parse(String value, CheckMode mode) throws ScriptException, NoSuchMethodException {
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88 | return ((Invocable) ENGINE).invokeFunction("oh", value, mode.code);
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89 | }
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90 |
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91 | @SuppressWarnings("unchecked")
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92 | protected List<Object> getList(Object obj) throws ScriptException, NoSuchMethodException {
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93 | if (obj == null || "".equals(obj)) {
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94 | return Arrays.asList();
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95 | } else if (obj instanceof String) {
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96 | final Object[] strings = ((String) obj).split("\\\\n");
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97 | return Arrays.asList(strings);
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98 | } else if (obj instanceof List) {
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99 | return (List<Object>) obj;
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100 | } else {
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101 | // recursively call getList() with argument converted to newline-separated string
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102 | return getList(((Invocable) ENGINE).invokeMethod(obj, "join", "\\n"));
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103 | }
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104 | }
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105 |
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106 | /**
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107 | * An error concerning invalid syntax for an "opening_hours"-like tag.
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108 | */
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109 | public class OpeningHoursTestError {
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110 | final Severity severity;
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111 | final String message, prettifiedValue;
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112 |
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113 | /**
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114 | * Constructs a new {@code OpeningHoursTestError} with a known pretiffied value.
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115 | * @param message The error message
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116 | * @param severity The error severity
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117 | * @param prettifiedValue The prettified value
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118 | */
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119 | public OpeningHoursTestError(String message, Severity severity, String prettifiedValue) {
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120 | this.message = message;
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121 | this.severity = severity;
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122 | this.prettifiedValue = prettifiedValue;
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123 | }
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124 |
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125 | /**
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126 | * Returns the real test error given to JOSM validator.
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127 | * @param p The incriminated OSM primitive.
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128 | * @param key The incriminated key, used for display.
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129 | * @return The real test error given to JOSM validator. Can be fixable or not if a prettified values has been determined.
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130 | */
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131 | public TestError getTestError(final OsmPrimitive p, final String key) {
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132 | if (prettifiedValue == null || prettifiedValue.equals(p.get(key))) {
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133 | return new TestError(OpeningHourTest.this, severity, message, 2901, p);
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134 | } else {
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135 | return new FixableTestError(OpeningHourTest.this, severity, message, 2901, p,
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136 | new ChangePropertyCommand(p, key, prettifiedValue));
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137 | }
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138 | }
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139 |
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140 | /**
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141 | * Returns the error message.
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142 | * @return The error message.
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143 | */
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144 | public String getMessage() {
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145 | return message;
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146 | }
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147 |
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148 | /**
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149 | * Returns the prettified value.
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150 | * @return The prettified value.
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151 | */
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152 | public String getPrettifiedValue() {
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153 | return prettifiedValue;
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154 | }
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155 |
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156 | /**
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157 | * Returns the error severity.
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158 | * @return The error severity.
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159 | */
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160 | public Severity getSeverity() {
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161 | return severity;
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162 | }
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163 |
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164 | @Override
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165 | public String toString() {
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166 | return getMessage() + " => " + getPrettifiedValue();
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167 | }
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168 | }
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169 |
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170 | /**
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171 | * Checks for a correct usage of the opening hour syntax of the {@code value} given according to
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172 | * <a href="https://github.com/ypid/opening_hours.js">opening_hours.js</a> and returns a list containing
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173 | * validation errors or an empty list. Null values result in an empty list.
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174 | * @param key the OSM key (should be "opening_hours", "collection_times" or "service_times"). Used in error message
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175 | * @param value the opening hour value to be checked.
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176 | * @param mode whether to validate {@code value} as a time range, or points in time, or both.
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177 | * @return a list of {@link TestError} or an empty list
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178 | */
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179 | public List<OpeningHoursTestError> checkOpeningHourSyntax(final String key, final String value, CheckMode mode) {
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180 | return checkOpeningHourSyntax(key, value, mode, false);
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181 | }
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182 |
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183 | /**
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184 | * Checks for a correct usage of the opening hour syntax of the {@code value} given according to
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185 | * <a href="https://github.com/ypid/opening_hours.js">opening_hours.js</a> and returns a list containing
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186 | * validation errors or an empty list. Null values result in an empty list.
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187 | * @param key the OSM key (should be "opening_hours", "collection_times" or "service_times").
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188 | * @param value the opening hour value to be checked.
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189 | * @param mode whether to validate {@code value} as a time range, or points in time, or both.
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190 | * @param ignoreOtherSeverity whether to ignore errors with {@link Severity#OTHER}.
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191 | * @return a list of {@link TestError} or an empty list
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192 | */
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193 | public List<OpeningHoursTestError> checkOpeningHourSyntax(final String key, final String value, CheckMode mode, boolean ignoreOtherSeverity) {
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194 | if (ENGINE == null || value == null || value.trim().isEmpty()) {
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195 | return Collections.emptyList();
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196 | }
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197 | final List<OpeningHoursTestError> errors = new ArrayList<>();
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198 | try {
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199 | final Object r = parse(value, mode);
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200 | String prettifiedValue = null;
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201 | try {
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202 | prettifiedValue = (String) ((Invocable) ENGINE).invokeMethod(r, "prettifyValue");
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203 | } catch (Exception e) {
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204 | Main.debug(e.getMessage());
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205 | }
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206 | for (final Object i : getList(((Invocable) ENGINE).invokeMethod(r, "getErrors"))) {
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207 | errors.add(new OpeningHoursTestError(getErrorMessage(key, i), Severity.ERROR, prettifiedValue));
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208 | }
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209 | for (final Object i : getList(((Invocable) ENGINE).invokeMethod(r, "getWarnings"))) {
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210 | errors.add(new OpeningHoursTestError(getErrorMessage(key, i), Severity.WARNING, prettifiedValue));
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211 | }
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212 | if (!ignoreOtherSeverity && errors.isEmpty() && prettifiedValue != null && !value.equals(prettifiedValue)) {
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213 | errors.add(new OpeningHoursTestError(tr("opening_hours value can be prettified"), Severity.OTHER, prettifiedValue));
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214 | }
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215 | } catch (ScriptException | NoSuchMethodException ex) {
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216 | Main.error(ex);
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217 | }
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218 | return errors;
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219 | }
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220 |
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221 | /**
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222 | * Translates and shortens the error/warning message.
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223 | */
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224 | private String getErrorMessage(String key, Object o) {
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225 | String msg = o.toString().trim()
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226 | .replace("Unexpected token:", tr("Unexpected token:"))
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227 | .replace("Unexpected token (school holiday parser):", tr("Unexpected token (school holiday parser):"))
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228 | .replace("Unexpected token in number range:", tr("Unexpected token in number range:"))
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229 | .replace("Unexpected token in week range:", tr("Unexpected token in week range:"))
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230 | .replace("Unexpected token in weekday range:", tr("Unexpected token in weekday range:"))
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231 | .replace("Unexpected token in month range:", tr("Unexpected token in month range:"))
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232 | .replace("Unexpected token in year range:", tr("Unexpected token in year range:"))
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233 | .replace("This means that the syntax is not valid at that point or it is currently not supported.", tr("Invalid/unsupported syntax."));
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234 | return key + " - " + msg;
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235 | }
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236 |
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237 | /**
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238 | * Checks for a correct usage of the opening hour syntax of the {@code value} given, in time range mode, according to
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239 | * <a href="https://github.com/ypid/opening_hours.js">opening_hours.js</a> and returns a list containing
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240 | * validation errors or an empty list. Null values result in an empty list.
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241 | * @param key the OSM key (should be "opening_hours", "collection_times" or "service_times"). Used in error message
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242 | * @param value the opening hour value to be checked.
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243 | * @return a list of {@link TestError} or an empty list
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244 | */
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245 | public List<OpeningHoursTestError> checkOpeningHourSyntax(final String key, final String value) {
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246 | return checkOpeningHourSyntax(key, value, "opening_hours".equals(key) ? CheckMode.TIME_RANGE : CheckMode.BOTH);
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247 | }
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248 |
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249 | protected void check(final OsmPrimitive p, final String key, CheckMode mode) {
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250 | for (OpeningHoursTestError e : checkOpeningHourSyntax(key, p.get(key), mode)) {
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251 | errors.add(e.getTestError(p, key));
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252 | }
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253 | }
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254 |
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255 | @Override
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256 | public void check(final OsmPrimitive p) {
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257 | check(p, "opening_hours", CheckMode.TIME_RANGE);
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258 | check(p, "collection_times", CheckMode.BOTH);
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259 | check(p, "service_times", CheckMode.BOTH);
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260 | }
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261 | }
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