Java Map Remove removeExistingItemsFromProvided(Map existingItems, Map providedItems)

Description

remove Existing Items From Provided

License

Open Source License

Declaration

public static <T> Map<String, T> removeExistingItemsFromProvided(Map<String, T> existingItems,
            Map<String, T> providedItems) 

Method Source Code

//package com.java2s;
/*//from   w  w w  .  j  av a2s .  co  m
*
* RHQ Sync Tool
* Copyright (C) 2012-2013 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/

import java.util.HashMap;

import java.util.Map;
import java.util.Map.Entry;

public class Main {
    public static <T> Map<String, T> removeExistingItemsFromProvided(Map<String, T> existingItems,
            Map<String, T> providedItems) {
        Map<String, T> unexistingItems = new HashMap<String, T>(providedItems.size());
        for (Entry<String, T> entry : providedItems.entrySet())
            if (!existingItems.containsKey(entry.getKey()))
                unexistingItems.put(entry.getKey(), entry.getValue());
        return unexistingItems;
    }
}

Related

1. removeDefaultAnnotationPackage(final String packageName, final Map context)
2. removeDoubleQuotes(Map argMap)
3. removeElementFromJsonMap(Map toscaJson, String elementName)
4. removeEmptyArray(Map map)
5. removeEmptyValues(Map params)
6. removeFrom(Map map, K key)
7. removeFromMap( Map map, K key, V value)
8. removeFromMapValues(final Map map, final Object value)
9. removeGeneric( List> list)