Java Collection Copy maskedCopyOf(final Collection source, final Collection mask)

Description

masked Copy Of

License

Apache License

Declaration

public static <T> Collection<? extends T> maskedCopyOf(final Collection<? extends T> source,
            final Collection<? extends T> mask) 

Method Source Code

//package com.java2s;
/*//from   w w w  .jav a 2s.  c om
 * Copyright 2012 Daniel Bechler
 *
 * 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 <T> Collection<? extends T> maskedCopyOf(final Collection<? extends T> source,
            final Collection<? extends T> mask) {
        final Collection<T> copy = new LinkedList<T>(source);
        copy.retainAll(new ArrayList<T>(mask));
        return copy;
    }
}

Related

1. copyNSorted(final Collection source, final Collection dest, final Comparator order, final int n)
2. copyRemainder(final T[] sourceArray, final int startIndex, final Collection collector)
3. copyStringCollection(Collection strings)
4. copyWithoutNull(Collection orig)
5. createSet(Collection toCopy)
6. shallowCopy(Collection collection)
7. toUnmodifiableCopy(Collection collection)