Java Collection Convert toMap(Collection names, Object[] parameters)

Description

to Map

License

Apache License

Declaration

public static Map<String, Object> toMap(Collection<String> names, Object[] parameters) 

Method Source Code

//package com.java2s;
/*/*from   w  ww .j  av  a 2 s.  c om*/
 * Copyright 2011-2013 HTTL Team.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.*;

public class Main {
    public static Map<String, Object> toMap(Collection<String> names, Object[] parameters) {
        return toMap(names.toArray(new String[0]), parameters);
    }

    public static Map<String, Object> toMap(String[] names, Object[] parameters) {
        Map<String, Object> map = new HashMap<String, Object>();
        if (parameters == null || parameters.length == 0) {
            return map;
        }
        if (names == null || names.length < parameters.length) {
            throw new IllegalArgumentException("Mismatch parameters. names: " + Arrays.toString(names)
                    + ", values: " + Arrays.toString(parameters));
        }
        for (int i = 0; i < parameters.length; i++) {
            map.put(names[i], parameters[i]);
        }
        return map;
    }

    public static <K, V> Map<K, V> toMap(Map.Entry<K, V>[] entries) {
        Map<K, V> map = new HashMap<K, V>();
        if (entries != null && entries.length > 0) {
            for (Map.Entry<K, V> enrty : entries) {
                map.put(enrty.getKey(), enrty.getValue());
            }
        }
        return map;
    }
}

Related

1. toIntegerCollection(int[] ints)
2. toJSONString(Collection collection)
3. tokenSetString(Collection tokens)
4. toLimitLengthString(final Collection coll, final int limit)
5. toLowerCase(Collection values)
6. toMatrix(Collection collection)
7. toObjectArray(Collection