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 2001-2002 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 package com.sun.dhcpmgr.cli.dhtadm;
  29 
  30 import com.sun.dhcpmgr.cli.common.DhcpCliFunction;
  31 import com.sun.dhcpmgr.data.DhcptabRecord;
  32 import com.sun.dhcpmgr.data.Macro;
  33 import com.sun.dhcpmgr.data.Option;
  34 import com.sun.dhcpmgr.bridge.NoEntryException;
  35 
  36 import java.lang.IllegalArgumentException;
  37 
  38 /**
  39  * The main class for the "delete entry" functionality of dhtadm.
  40  */
  41 public class DeleteEntry extends DhtAdmFunction {
  42 
  43     /**
  44      * The valid options associated with deleting an entry.
  45      */
  46     static final int supportedOptions[] = {
  47         DhtAdm.MACRONAME,
  48         DhtAdm.SYMBOLNAME,
  49         DhtAdm.RESOURCE,
  50         DhtAdm.RESOURCE_CONFIG,
  51         DhtAdm.PATH,
  52         DhtAdm.SIGHUP
  53     };
  54 
  55     /**
  56      * Constructs a DeleteEntry object.
  57      */
  58     public DeleteEntry() {
  59 
  60         validOptions = supportedOptions;
  61 
  62     } // constructor
  63 
  64     /**
  65      * Returns the option flag for this function.
  66      * @returns the option flag for this function.
  67      */
  68     public int getFunctionFlag() {
  69         return (DhtAdm.DELETE_ENTRY);
  70     }
  71 
  72     /**
  73      * Executes the "delete entry" functionality.
  74      * @return DhtAdm.SUCCESS, DhtAdm.ENOENT, DhtAdm.WARNING, or 
  75      * DhtAdm.CRITICAL
  76      */
  77     public int execute()
  78         throws IllegalArgumentException {
  79 
  80         int returnCode = DhtAdm.SUCCESS;
  81 
  82         // Get macro or symbol name. One and only one should be set.
  83         //
  84         String macroName = options.valueOf(DhtAdm.MACRONAME);
  85         String symbolName = options.valueOf(DhtAdm.SYMBOLNAME);
  86 
  87         if (macroName != null && symbolName != null) {
  88             String msg = getString("two_keys_error");
  89             throw new IllegalArgumentException(msg);
  90         }
  91 
  92         if (macroName == null && symbolName == null) {
  93             String msg = getString("no_keys_error");
  94             throw new IllegalArgumentException(msg);
  95         }
  96 
  97         try {
  98             // Get the DhcptabRecord.
  99             //
 100             DhcptabRecord dhcptabRecord = null;
 101             if (macroName != null) {
 102                 dhcptabRecord = new Macro(macroName);
 103             } else if (symbolName != null) {
 104                 dhcptabRecord = new Option();
 105                 dhcptabRecord.setKey(symbolName);
 106             } else {
 107                 printErrMessage(getString("internal_error"));
 108                 returnCode = DhtAdm.CRITICAL;
 109             }
 110 
 111             // Delete the entry.
 112             //
 113             if (returnCode == DhtAdm.SUCCESS) {
 114                 getDhcptabMgr().deleteRecord(dhcptabRecord, false,
 115                     getDhcpDatastore());
 116             }
 117 
 118         } catch (NoEntryException e) {
 119             printErrMessage(getMessage(e));
 120             returnCode = DhtAdm.ENOENT;
 121         } catch (Throwable e) {
 122             printErrMessage(getMessage(e));
 123             returnCode = DhtAdm.WARNING;
 124         }
 125 
 126         return (returnCode);
 127 
 128     } // execute
 129 
 130 } // DeleteEntry