Java Map Merge mergeValueInMap(Map map, String name, String value)

Description

merge Value In Map

License

Apache License

Declaration

public static void mergeValueInMap(Map<String, String[]> map, String name, String value) 

Method Source Code

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

import java.util.Map;

public class Main {
    public static void mergeValueInMap(Map<String, String[]> map, String name, String value) {
        String[] newValues;// w  ww . j a v a  2  s .  c o  m
        String[] oldValues = map.get(name);
        if (oldValues == null) {
            newValues = new String[1];
            newValues[0] = value;
        } else {
            newValues = new String[oldValues.length + 1];
            System.arraycopy(oldValues, 0, newValues, 0, oldValues.length);
            newValues[oldValues.length] = value;
        }
        map.put(name, newValues);
    }

    public static void mergeValueInMap(Map<String, String[]> map, String name, String[] values) {
        for (String value : values) {
            mergeValueInMap(map, name, value);
        }
    }
}

Related

1. mergePermMap(Map> permMap, Map> subPermMap)
2. mergePropertiesToMap(Properties properties, Map map, boolean overwrite)
3. mergeResourceBundle(final Map map, final String path)
4. mergeTemplate(String template, Map segments)
5. mergeValue(Map obj, String key, Object value)