1 /*

     2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.nashorn.internal.runtime.options;

    27 

    28 import java.util.Collection;

    29 import java.util.Collections;

    30 import java.util.LinkedHashSet;

    31 import java.util.StringTokenizer;

    32 

    33 /**

    34  * This option represents a collection of comma separated values

    35  */

    36 public class ValueOption extends Option<String> {

    37 

    38     private Collection<String> values;

    39 

    40     ValueOption(final String value) {

    41         super(value);

    42         if (value != null) {

    43             values = new LinkedHashSet<>();

    44             final StringTokenizer st = new StringTokenizer(getValue(), ",");

    45             while (st.hasMoreElements()) {

    46                 values.add(st.nextToken());

    47             }

    48         }

    49     }

    50 

    51     /**

    52      * Get the values in the option

    53      * @return collection of strings

    54      */

    55     public Collection<String> getValues() {

    56         return Collections.unmodifiableCollection(values);

    57     }

    58 

    59 }