Java Map Put putMapValue(String path, Object value, Map map)

Description

put Map Value

License

Apache License

Declaration

public static void putMapValue(String path, Object value, Map<String, Object> map) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Map;

public class Main {
    public static void putMapValue(String path, Object value, Map<String, Object> map) {
        if (path == null || path.trim().isEmpty()) {
            return;
        }//from ww w .j  ava  2s  .  c  o  m

        String[] split = path.split("\\.");
        Map<String, Object> targetMap = map;
        for (int i = 0; i < split.length - 1; i++) {
            String key = split[i];
            Object intermediateMap = (Map<String, Object>) targetMap.get(key);
            if (!(intermediateMap instanceof Map)) {
                throw new IllegalArgumentException(String.format("No such property [%s].", key));
            }

            targetMap = (Map<String, Object>) intermediateMap;
        }

        targetMap.put(split[split.length - 1], value);
    }
}

Related

1. putMapBoolean(Map params, String key)
2. putMapBooleanList(Map params, String... keys)
3. putMapByPair(String pair, Map m)
4. putMapEntry(Map map, String name, String value)
5. putMapNotNullKey(Map map, K key, V value)
6. putModifiedAttribute(Map aMap, String name, Object value)
7. putMultiEntry(Map map, Iterable keys, V value)
8. putMultiple(Map map, Object key, Object value)
9. putNotDup(Map tbl, String key, String value)