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 /**
  32  * This qualifier type allows the logical and of two qualifier types. Care
  33  * must be taken that the two qualifier types are suitable. For instance
  34  * if 'and'ing two integer ranges together that do not overlap will ensure
  35  * that no legal values are ever parsed by parseValue().
  36  */
  37 public class QualifierAnd extends QualifierTypeImpl {
  38 
  39     protected QualifierType typeA;
  40 
  41     protected QualifierType typeB;
  42 
  43     public QualifierAnd(QualifierType typeA, QualifierType typeB) {
  44         this.typeA = typeA;
  45         this.typeB = typeB;
  46     }
  47 
  48     public void setQualifierTypeA(QualifierType typeA) {
  49         this.typeA = typeA;
  50     }
  51 
  52     public void setQualifierTypeB(QualifierType typeB) {
  53         this.typeB = typeB;
  54     }
  55 
  56     public QualifierType getQualifierTypeA() {
  57         return typeA;
  58     }
  59 
  60     public QualifierType getQualifierTypeB() {
  61         return typeB;
  62     }
  63 
  64     public Object parseValue(String value) {
  65         if (!typeA.getJavaType().equals(typeB.getJavaType())) {
  66             return null;
  67         }
  68 
  69         Object objectA = typeA.parseValue(value);
  70         Object objectB = typeB.parseValue(value);
  71 
  72         if (objectA != null && objectB != null) {
  73             return (objectA.equals(objectB)) ? objectA : null;
  74         } else {
  75             return null;
  76         }
  77     }
  78 
  79     public String formatValue(String value) {
  80         if (!typeA.getJavaType().equals(typeB.getJavaType())) {
  81             return null;
  82         }
  83 
  84         String stringA = typeA.formatValue(value);
  85         String stringB = typeB.formatValue(value);
  86 
  87         if (stringA != null && stringB != null) {
  88             return (stringA.equals(stringB)) ? stringA : null;
  89         } else {
  90             return null;
  91         }
  92     }
  93 
  94     public Class getJavaType() {
  95         return typeA.getJavaType();
  96     }
  97 
  98     public String toString() {
  99         return "(" + typeA + " && " + typeB + ")";
 100     }
 101 
 102 }