Java Map Merge mergeCompactedValue(Map obj, String key, Object value)

Description

merge Compacted Value

License

Open Source License

Declaration

static void mergeCompactedValue(Map<String, Object> obj, String key, Object value) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;

import java.util.List;
import java.util.Map;

public class Main {
    static void mergeCompactedValue(Map<String, Object> obj, String key, Object value) {
        if (obj == null) {
            return;
        }//from   www . j a va  2 s.c  o  m
        final Object prop = obj.get(key);
        if (prop == null) {
            obj.put(key, value);
            return;
        }
        if (!(prop instanceof List)) {
            final List<Object> tmp = new ArrayList<Object>();
            tmp.add(prop);
        }
        if (value instanceof List) {
            ((List<Object>) prop).addAll((List<Object>) value);
        } else {
            ((List<Object>) prop).add(value);
        }
    }
}

Related

1. merge(Map first, Map second)
2. merge(Map map1, Map map2)
3. merge(Map mapPriorityLeast, Map mapPriorityFirst)
4. mergeAggCompStatsTopoPageSpout(Map accSpoutStats, Map spoutStats)
5. mergeBootArgumentsIntoMap(String[] args, Map map)
6. mergeCompositions( Map target, Map source)
7. mergeConfig(Map userConfig, Map referenceConfig)
8. mergeCounterMap(Map map, String key, Object value)
9. mergeCountMaps(Map base, Map other)