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darin.kelkhoff
2023-02-08 17:16:01 -06:00
parent 07e6c7019d
commit 927e7f725a
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qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/utils/collections/MapBuilder.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.core.utils.collections;
import java.util.HashMap;
import java.util.Map;
/*******************************************************************************
** Map.of is "great", but annoying because it makes unmodifiable maps, and it
** NPE's on nulls... So, replace it with this, which returns HashMaps, which
** "don't suck"
*******************************************************************************/
public class MapBuilder
{
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3,
K k4, V v4
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
rs.put(k4, v4);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3,
K k4, V v4,
K k5, V v5
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
rs.put(k4, v4);
rs.put(k5, v5);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3,
K k4, V v4,
K k5, V v5,
K k6, V v6
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
rs.put(k4, v4);
rs.put(k5, v5);
rs.put(k6, v6);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3,
K k4, V v4,
K k5, V v5,
K k6, V v6,
K k7, V v7
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
rs.put(k4, v4);
rs.put(k5, v5);
rs.put(k6, v6);
rs.put(k7, v7);
return (rs);
}
/*******************************************************************************
**
*******************************************************************************/
public static <K, V> Map<K, V> of(
K k1, V v1,
K k2, V v2,
K k3, V v3,
K k4, V v4,
K k5, V v5,
K k6, V v6,
K k7, V v7,
K k8, V v8
)
{
Map<K, V> rs = new HashMap<>();
rs.put(k1, v1);
rs.put(k2, v2);
rs.put(k3, v3);
rs.put(k4, v4);
rs.put(k5, v5);
rs.put(k6, v6);
rs.put(k7, v7);
rs.put(k8, v8);
return (rs);
}
}