1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * ident        "%Z%%M% %I%     %E% SMI"
  24  *
  25  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 package com.sun.dhcpmgr.data.qualifier;
  30 
  31 import java.util.Arrays;
  32 
  33 /**
  34  * An extension of the string qualifier type that restricts the string
  35  * values to a given set.
  36  */
  37 public class QualifierStringEnum extends QualifierString
  38                                  implements QualifierEnum {
  39 
  40     /**
  41      * The set of legal string values.
  42      */
  43     protected String[] values;
  44 
  45     private QualifierStringEnum() {}
  46 
  47     /**
  48      * Construct an string enumerated qualifier type.
  49      * 
  50      * @param values
  51      *   The set of legal string values.
  52      */
  53     public QualifierStringEnum(String[] values) {
  54         this.values = values;
  55     }
  56 
  57     /**
  58      * Get the set of legal string values.
  59      * 
  60      * @return
  61      *   The set of legal string values.
  62      */
  63     public String[] getValues() {
  64         return values;
  65     }
  66 
  67     public Object parseValue(String value) {
  68         if (value != null && Arrays.asList(values).contains(value)) {
  69             return value;
  70         } else {
  71             return null;
  72         }
  73     }
  74 
  75     public String toString() {
  76         return super.toString() + Arrays.asList(values);
  77     }
  78 
  79 }