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darin.kelkhoff
2023-04-14 09:52:57 -05:00
parent 726fad0e5e
commit d760831431
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81
qqq-backend-module-api/src/main/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParser.java Normal file
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/*
* 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 <https://www.gnu.org/licenses/>.
*/
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<String, String> parseQueryStringSingleValuePerKey(String queryString)
{
Map<String, String> 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<String, List<String>> parseQueryStringMultiValuePerKey(String queryString)
{
Map<String, List<String>> 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);
}
}

60
qqq-backend-module-api/src/test/java/com/kingsrook/qqq/backend/module/api/utils/QueryStringParserTest.java Normal file
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/*
* 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 <https://www.gnu.org/licenses/>.
*/
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"));
}
}