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.dhcpconfig;
  29 
  30 import java.text.MessageFormat;
  31 
  32 import com.sun.dhcpmgr.cli.common.DhcpCliFunction;
  33 import com.sun.dhcpmgr.cli.common.DhcpCliPrint;
  34 import com.sun.dhcpmgr.data.DhcpdOptions;
  35 
  36 /**
  37  * Abstract class implemented by all the dhcpconfig "function" classes.
  38  */
  39 public abstract class DhcpCfgFunction
  40     extends DhcpCliFunction {
  41 
  42     /**
  43      * Returns a localized string for this function
  44      * @param key the resource bundle string identifier
  45      * @return string from resource bundle.
  46      */
  47     public String getString(String key) {
  48 
  49         return ResourceStrings.getString(key);
  50 
  51     } // getString
  52 
  53     /**
  54      * Determines whether or not the DHCP service is configured.
  55      * @return true if configured, false if not.
  56      */
  57     public boolean isServerConfigured() {
  58 
  59         boolean result = false;
  60 
  61         try {
  62             DhcpdOptions opts = getSvcMgr().readDefaults();
  63             if (!opts.isRelay()) {
  64                 result = true;
  65             }
  66         } catch (Throwable e) {
  67             // nothing to do.
  68         }
  69 
  70         if (!result) {
  71             printErrMessage(getString("dhcpcfg_func_not_configured_error"));
  72         }
  73 
  74         return (result);
  75 
  76     } // isServerConfigured
  77 
  78     /**
  79      * Prints a message to the console.
  80      * @param msg the message to print.
  81      */
  82     public void printMessage(String msg) {
  83         DhcpCliPrint.printMessage(msg);
  84     } // printMessage
  85 
  86     /**
  87      * Prints a message to the console..
  88      * @param msg the message to print.
  89      */
  90     public void printMessage(String msg, Object [] arguments) {
  91         MessageFormat form = new MessageFormat(msg);
  92         DhcpCliPrint.printMessage(form.format(arguments));
  93     } // printMessage
  94 
  95     /**
  96      * Prints an error message.
  97      * @param msg the message to print.
  98      */
  99     public void printErrMessage(String msg) {
 100         StringBuffer fullmsg = new StringBuffer(DhcpCfg.SIGNATURE);
 101         fullmsg.append(msg);
 102         DhcpCliPrint.printErrMessage(fullmsg.toString());
 103     } // printErrMessage
 104 
 105     /**
 106      * Prints an error message.
 107      * @param msg the message to print.
 108      */
 109     public void printErrMessage(String msg, Object [] arguments) {
 110         StringBuffer fullmsg = new StringBuffer(DhcpCfg.SIGNATURE);
 111         fullmsg.append(msg);
 112         MessageFormat form = new MessageFormat(fullmsg.toString());
 113         DhcpCliPrint.printErrMessage(form.format(arguments));
 114     } // printErrMessage
 115 
 116 } // DhcpCfgFunction