1 | /*
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2 | * GeoTools - The Open Source Java GIS Toolkit
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3 | * http://geotools.org
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4 | *
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5 | * (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
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6 | *
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7 | * This library is free software; you can redistribute it and/or
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8 | * modify it under the terms of the GNU Lesser General Public
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9 | * License as published by the Free Software Foundation;
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10 | * version 2.1 of the License.
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11 | *
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12 | * This library is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | * Lesser General Public License for more details.
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16 | */
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17 | package org.geotools.feature.type;
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18 |
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19 | import java.util.HashMap;
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20 | import java.util.Map;
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21 |
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22 | import org.geotools.resources.Classes;
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23 | import org.geotools.util.Utilities;
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24 | import org.opengis.feature.type.Name;
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25 | import org.opengis.feature.type.PropertyDescriptor;
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26 | import org.opengis.feature.type.PropertyType;
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27 |
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28 | public class PropertyDescriptorImpl implements PropertyDescriptor {
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29 |
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30 | final protected PropertyType type;
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31 | final protected Name name;
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32 | final protected int minOccurs;
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33 | final protected int maxOccurs;
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34 | final protected boolean isNillable;
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35 | final Map<Object, Object> userData;
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36 |
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37 | protected PropertyDescriptorImpl(PropertyType type, Name name, int min, int max, boolean isNillable) {
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38 | this.type = type;
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39 | this.name = name;
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40 | this.minOccurs = min;
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41 | this.maxOccurs = max;
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42 | this.isNillable = isNillable;
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43 | userData = new HashMap();
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44 |
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45 | if ( type == null ) {
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46 | throw new NullPointerException("type");
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47 | }
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48 |
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49 | if ( name == null ) {
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50 | throw new NullPointerException("name");
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51 | }
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52 |
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53 | if (max > 0 && (max < min) ) {
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54 | throw new IllegalArgumentException("max must be -1, or < min");
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55 | }
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56 | }
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57 |
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58 | public PropertyType getType() {
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59 | return type;
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60 | }
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61 |
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62 | public Name getName() {
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63 | return name;
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64 | }
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65 |
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66 | public int getMinOccurs() {
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67 | return minOccurs;
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68 | }
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69 |
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70 | public int getMaxOccurs() {
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71 | return maxOccurs;
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72 | }
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73 |
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74 | public boolean isNillable() {
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75 | return isNillable;
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76 | }
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77 |
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78 | public Map<Object, Object> getUserData() {
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79 | return userData;
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80 | }
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81 |
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82 | public boolean equals(Object obj) {
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83 | if (!(obj instanceof PropertyDescriptorImpl)) {
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84 | return false;
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85 | }
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86 |
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87 | PropertyDescriptorImpl other = (PropertyDescriptorImpl) obj;
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88 | return Utilities.equals(type,other.type) &&
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89 | Utilities.equals(name,other.name) &&
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90 | (minOccurs == other.minOccurs) && (maxOccurs == other.maxOccurs) &&
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91 | (isNillable == other.isNillable);
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92 | }
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93 |
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94 | public int hashCode() {
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95 | return (37 * minOccurs + 37 * maxOccurs ) ^ type.hashCode() ^ name.hashCode();
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96 | }
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97 |
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98 | public String toString() {
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99 | StringBuffer sb = new StringBuffer(Classes.getShortClassName(this));
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100 | sb.append(" ");
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101 | sb.append( getName() );
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102 | if( type != null ){
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103 | sb.append( " <" );
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104 | sb.append( type.getName().getLocalPart() );
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105 | sb.append(":");
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106 | sb.append( Classes.getShortName( type.getBinding() ));
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107 | sb.append( ">" );
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108 | }
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109 | if( isNillable ){
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110 | sb.append( " nillable" );
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111 | }
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112 | if( minOccurs == 1 && maxOccurs == 1 ){
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113 | // ignore the 1:1
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114 | }
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115 | else {
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116 | sb.append( " " );
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117 | sb.append( minOccurs );
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118 | sb.append( ":" );
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119 | sb.append( maxOccurs );
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120 | }
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121 | if( userData != null && !userData.isEmpty() ){
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122 | sb.append("\nuserData=(");
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123 | for( Map.Entry entry : userData.entrySet() ){
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124 | sb.append("\n\t");
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125 | sb.append( entry.getKey() );
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126 | sb.append( " ==> " );
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127 | sb.append( entry.getValue() );
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128 | }
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129 | sb.append(")");
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130 | }
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131 | return sb.toString();
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132 | }
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133 |
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134 | }
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