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 (c) 2001 by Sun Microsystems, Inc.
  26  * All rights reserved.
  27  */
  28 package com.sun.dhcpmgr.cli.common;
  29 
  30 import java.lang.IllegalArgumentException;
  31 import java.util.ArrayList;
  32 import java.text.MessageFormat;
  33 
  34 /**
  35  * This class is used to represent all the command line options.
  36  */
  37 public class DhcpCliOptions {
  38 
  39     /**
  40      * Actual container for the options.
  41      */
  42     ArrayList options;
  43 
  44     /**
  45      * Basic constructor.
  46      */
  47     public DhcpCliOptions() {
  48 
  49         options = new ArrayList();
  50 
  51     } // constructor
  52 
  53     /**
  54      * Creates a new option and adds it to the list.
  55      * @param flag the option key value
  56      * @param value the option value
  57      */
  58     public void setOption(int flag, String value)
  59         throws IllegalArgumentException {
  60 
  61         DhcpCliOption option = new DhcpCliOption(flag, value);
  62         int i = options.indexOf(option);
  63         if (i == -1) {
  64             options.add(option);
  65         } else {
  66             String format =
  67                 ResourceStrings.getString("repeated_option");
  68             Object[] args = new Object[1];
  69             args[0] = option.getOptionCharacter();
  70             String msg = MessageFormat.format(format, args);
  71             throw new IllegalArgumentException(msg);
  72         }
  73 
  74     } // setOption
  75 
  76     /**
  77      * Reports as to whether or not an option exists in the list.
  78      * @param flag the option key value
  79      * @return true if the option is in the list, false if not
  80      */
  81     public boolean isSet(int flag) {
  82 
  83         DhcpCliOption option = new DhcpCliOption(flag);
  84         return options.contains(option);
  85 
  86     } // isSet
  87 
  88     /**
  89      * Returns the value of an option.
  90      * @param flag the option key value
  91      * @return the value of the option or null if the option is not
  92      * in the list.
  93      */
  94     public String valueOf(int flag) {
  95 
  96         DhcpCliOption option = new DhcpCliOption(flag);
  97 
  98         int i = options.indexOf(option);
  99         if (i != -1) {
 100             return ((DhcpCliOption)options.get(i)).getValue();
 101         } else {
 102             return null;
 103         }
 104     } // valueOf
 105 
 106     /**
 107      * Given a list of supported options, validates that there are no
 108      * options in the in the option list that are not supported.
 109      * @param supportedOptions array of option key values
 110      * @return true if there are no options in the option list that are
 111      * not in the supportedOptions, false otherwise.
 112      */
 113     public void validate(int [] supportedOptions)
 114         throws IllegalArgumentException {
 115 
 116         boolean result = true;
 117         int option = 0;
 118 
 119         for (int i = 0; i < options.size() && result; i++) {
 120             option = ((DhcpCliOption)options.get(i)).getOption();
 121             result = false;
 122             for (int j = 0; j < supportedOptions.length && !result; j++) {
 123                 if (supportedOptions[j] == option) {
 124                     result = true;
 125                 }
 126             }
 127         }
 128 
 129         if (!result) {
 130             String format =
 131                 ResourceStrings.getString("bad_function_option");
 132             Object[] args = new Object[1];
 133             args[0] = DhcpCliOption.getOptionCharacter(option);
 134             String msg = MessageFormat.format(format, args);
 135             throw new IllegalArgumentException(msg);
 136         }
 137 
 138     } // validate
 139 
 140 } // DhcpCliOptions