From d760831431ff2511dc43d2c9c518f9b7d3e11b9d Mon Sep 17 00:00:00 2001 From: Darin Kelkhoff Date: Fri, 14 Apr 2023 09:52:57 -0500 Subject: [PATCH] Initial checkin --- .../module/api/utils/QueryStringParser.java | 81 +++++++++++++++++++ .../api/utils/QueryStringParserTest.java | 60 ++++++++++++++ 2 files changed, 141 insertions(+) create mode 100644 qqq-backend-module-api/src/main/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParser.java create mode 100644 qqq-backend-module-api/src/test/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParserTest.java diff --git a/qqq-backend-module-api/src/main/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParser.java b/qqq-backend-module-api/src/main/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParser.java new file mode 100644 index 00000000..af9c0e76 --- /dev/null +++ b/qqq-backend-module-api/src/main/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParser.java @@ -0,0 +1,81 @@ +/* + * QQQ - Low-code Application Framework for Engineers. + * Copyright (C) 2021-2023. Kingsrook, LLC + * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States + * contact@kingsrook.com + * https://github.com/Kingsrook/ + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +package com.kingsrook.qqq.backend.module.api.utils; + + +import java.util.ArrayList; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import com.kingsrook.qqq.backend.core.utils.StringUtils; + + +/******************************************************************************* + ** Help parse query strings into maps. + *******************************************************************************/ +public class QueryStringParser +{ + + /******************************************************************************* + ** + *******************************************************************************/ + public static Map parseQueryStringSingleValuePerKey(String queryString) + { + Map rs = new LinkedHashMap<>(); + if(StringUtils.hasContent(queryString)) + { + for(String nameValuePair : queryString.split("&")) + { + String[] nameAndValue = nameValuePair.split("=", 2); + String name = nameAndValue[0]; + String value = nameAndValue.length > 1 ? nameAndValue[1] : ""; + rs.put(name, value); + } + } + + return (rs); + } + + + + /******************************************************************************* + ** + *******************************************************************************/ + public static Map> parseQueryStringMultiValuePerKey(String queryString) + { + Map> rs = new LinkedHashMap<>(); + if(StringUtils.hasContent(queryString)) + { + for(String nameValuePair : queryString.split("&")) + { + String[] nameAndValue = nameValuePair.split("=", 2); + String name = nameAndValue[0]; + String value = nameAndValue.length > 1 ? nameAndValue[1] : ""; + rs.computeIfAbsent(name, (key) -> new ArrayList<>()); + rs.get(name).add(value); + } + } + + return (rs); + } + +} diff --git a/qqq-backend-module-api/src/test/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParserTest.java b/qqq-backend-module-api/src/test/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParserTest.java new file mode 100644 index 00000000..c9cad4b8 --- /dev/null +++ b/qqq-backend-module-api/src/test/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParserTest.java @@ -0,0 +1,60 @@ +/* + * QQQ - Low-code Application Framework for Engineers. + * Copyright (C) 2021-2023. Kingsrook, LLC + * 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States + * contact@kingsrook.com + * https://github.com/Kingsrook/ + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ + +package com.kingsrook.qqq.backend.module.api.utils; + + +import java.util.List; +import java.util.Map; +import org.junit.jupiter.api.Test; +import static org.junit.jupiter.api.Assertions.assertEquals; + + +/******************************************************************************* + ** Unit test for com.kingsrook.qqq.backend.module.api.utils.QueryStringParser + *******************************************************************************/ +class QueryStringParserTest +{ + + /******************************************************************************* + ** + *******************************************************************************/ + @Test + void test() + { + assertEquals(Map.of(), QueryStringParser.parseQueryStringSingleValuePerKey(null)); + assertEquals(Map.of(), QueryStringParser.parseQueryStringSingleValuePerKey("")); + assertEquals(Map.of("foo", "bar"), QueryStringParser.parseQueryStringSingleValuePerKey("foo=bar")); + assertEquals(Map.of("foo", "bar=baz"), QueryStringParser.parseQueryStringSingleValuePerKey("foo=bar=baz")); + assertEquals(Map.of("foo", "bar", "baz", ""), QueryStringParser.parseQueryStringSingleValuePerKey("foo=bar&baz=")); + assertEquals(Map.of("foo", "bar", "baz", "1"), QueryStringParser.parseQueryStringSingleValuePerKey("foo=bar&baz=1")); + + assertEquals(Map.of(), QueryStringParser.parseQueryStringMultiValuePerKey(null)); + assertEquals(Map.of(), QueryStringParser.parseQueryStringMultiValuePerKey("")); + assertEquals(Map.of("foo", List.of("bar")), QueryStringParser.parseQueryStringMultiValuePerKey("foo=bar")); + assertEquals(Map.of("foo", List.of("bar"), "baz", List.of("")), QueryStringParser.parseQueryStringMultiValuePerKey("foo=bar&baz=")); + assertEquals(Map.of("foo", List.of("bar"), "baz", List.of("1")), QueryStringParser.parseQueryStringMultiValuePerKey("foo=bar&baz=1")); + + assertEquals(Map.of("foo", List.of("bar", "baz")), QueryStringParser.parseQueryStringMultiValuePerKey("foo=bar&foo=baz")); + assertEquals(Map.of("foo", List.of("bar", "baz"), "bar", List.of("1")), QueryStringParser.parseQueryStringMultiValuePerKey("foo=bar&foo=baz&bar=1")); + } + +} \ No newline at end of file