svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / feature / spi / DefaultFeatureProvider.java @ 43420
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| 1 | 40559 | jjdelcerro | /**
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| 2 | * gvSIG. Desktop Geographic Information System.
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| 3 | 40435 | jjdelcerro | *
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| 4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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| 5 | 40435 | jjdelcerro | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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| 9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 19 | * MA 02110-1301, USA.
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| 20 | *
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| 21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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| 22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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| 23 | 40435 | jjdelcerro | */
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| 24 | package org.gvsig.fmap.dal.feature.spi; |
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| 25 | |||
| 26 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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| 27 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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| 28 | import org.gvsig.fmap.dal.feature.FeatureType; |
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| 29 | 43420 | jjdelcerro | import org.gvsig.fmap.geom.DataTypes; |
| 30 | 40435 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
| 31 | import org.gvsig.fmap.geom.primitive.Envelope; |
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| 32 | 43420 | jjdelcerro | import org.gvsig.tools.ToolsLocator; |
| 33 | import org.gvsig.tools.dataTypes.CoercionException; |
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| 34 | 40435 | jjdelcerro | |
| 35 | /**
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| 36 | * Default implementation for {@link FeatureProvider}
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| 37 | *
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| 38 | */
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| 39 | public class DefaultFeatureProvider implements FeatureProvider { |
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| 40 | |||
| 41 | protected FeatureType featureType;
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| 42 | protected boolean[] nulls; |
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| 43 | protected Object[] values; |
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| 44 | protected Geometry defaultGeometry;
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| 45 | protected Envelope envelope;
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| 46 | private Object oid; |
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| 47 | private boolean isNew=false; |
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| 48 | |||
| 49 | public DefaultFeatureProvider(FeatureType type) {
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| 50 | if (type instanceof EditableFeatureType) { |
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| 51 | throw new IllegalArgumentException("type can't by editable."); |
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| 52 | } |
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| 53 | this.featureType = type;
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| 54 | this.values = new Object[featureType.size()]; |
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| 55 | this.nulls = new boolean[featureType.size()]; |
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| 56 | |||
| 57 | this.envelope = null; |
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| 58 | this.defaultGeometry = null; |
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| 59 | this.oid = null; |
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| 60 | } |
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| 61 | |||
| 62 | public DefaultFeatureProvider(FeatureType type, Object oid) { |
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| 63 | this(type);
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| 64 | this.oid = oid;
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| 65 | } |
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| 66 | |||
| 67 | 41215 | jjdelcerro | public boolean isReadOnly(int i) { |
| 68 | FeatureAttributeDescriptor attribute = featureType.getAttributeDescriptor(i); |
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| 69 | if (attribute.getEvaluator() != null) { |
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| 70 | return true; |
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| 71 | } |
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| 72 | return false; |
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| 73 | } |
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| 74 | |||
| 75 | 40435 | jjdelcerro | /*
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| 76 | * (non-Javadoc)
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| 77 | *
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| 78 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(int,
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| 79 | * java.lang.Object)
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| 80 | */
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| 81 | public void set(int i, Object value) { |
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| 82 | 43420 | jjdelcerro | FeatureAttributeDescriptor attribute = featureType.getAttributeDescriptor(i); |
| 83 | if( this.isReadOnly(i) ) { |
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| 84 | 41212 | jjdelcerro | return;
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| 85 | } |
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| 86 | 40435 | jjdelcerro | if (featureType.getDefaultGeometryAttributeIndex() == i) {
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| 87 | 43420 | jjdelcerro | if( value instanceof Geometry ) { |
| 88 | defaultGeometry = (Geometry) value; |
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| 89 | } else {
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| 90 | try {
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| 91 | defaultGeometry = (Geometry) ToolsLocator.getDataTypesManager().coerce(DataTypes.GEOMETRY, value); |
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| 92 | } catch (CoercionException ex) {
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| 93 | |||
| 94 | } |
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| 95 | } |
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| 96 | envelope = null;
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| 97 | 40435 | jjdelcerro | } |
| 98 | if (value == null) { |
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| 99 | nulls[i] = true;
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| 100 | 41212 | jjdelcerro | values[i] = attribute.getDefaultValue(); |
| 101 | 40435 | jjdelcerro | } else {
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| 102 | values[i] = value; |
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| 103 | nulls[i] = false;
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| 104 | } |
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| 105 | } |
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| 106 | |||
| 107 | /*
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| 108 | * (non-Javadoc)
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| 109 | *
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| 110 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(java.lang.String,
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| 111 | * java.lang.Object)
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| 112 | */
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| 113 | public void set(String name, Object value) { |
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| 114 | set(featureType.getIndex(name), value); |
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| 115 | } |
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| 116 | |||
| 117 | /*
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| 118 | * (non-Javadoc)
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| 119 | *
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| 120 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(int)
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| 121 | */
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| 122 | public Object get(int i) { |
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| 123 | return values[i];
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| 124 | } |
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| 125 | |||
| 126 | /*
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| 127 | * (non-Javadoc)
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| 128 | *
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| 129 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(java.lang.String)
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| 130 | */
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| 131 | public Object get(String name) { |
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| 132 | FeatureAttributeDescriptor featureAttributeDescriptor = featureType.getAttributeDescriptor(name); |
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| 133 | return values[featureAttributeDescriptor.getIndex()];
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| 134 | } |
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| 135 | |||
| 136 | /*
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| 137 | * (non-Javadoc)
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| 138 | *
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| 139 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getType()
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| 140 | */
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| 141 | public FeatureType getType() {
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| 142 | return featureType;
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| 143 | } |
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| 144 | |||
| 145 | /*
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| 146 | * (non-Javadoc)
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| 147 | *
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| 148 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getCopy()
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| 149 | */
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| 150 | public FeatureProvider getCopy() {
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| 151 | DefaultFeatureProvider data = new DefaultFeatureProvider(
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| 152 | this.getType());
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| 153 | return getCopy(data);
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| 154 | } |
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| 155 | |||
| 156 | /**
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| 157 | * Copy values from current instance to <code>data</code>
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| 158 | */
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| 159 | protected FeatureProvider getCopy(DefaultFeatureProvider data) {
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| 160 | data.oid = this.oid;
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| 161 | System.arraycopy(this.values, 0, data.values, 0, this.values.length); |
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| 162 | data.defaultGeometry = this.defaultGeometry;
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| 163 | data.envelope = this.envelope;
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| 164 | data.isNew=this.isNew;
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| 165 | return data;
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| 166 | } |
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| 167 | |||
| 168 | /*
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| 169 | * (non-Javadoc)
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| 170 | *
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| 171 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultEnvelope()
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| 172 | */
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| 173 | public Envelope getDefaultEnvelope() {
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| 174 | 41058 | jjdelcerro | if (envelope == null && getDefaultGeometry() != null) { |
| 175 | envelope = getDefaultGeometry().getEnvelope(); |
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| 176 | 40435 | jjdelcerro | } |
| 177 | return envelope;
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| 178 | } |
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| 179 | |||
| 180 | /*
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| 181 | * (non-Javadoc)
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| 182 | *
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| 183 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultGeometry()
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| 184 | */
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| 185 | public Geometry getDefaultGeometry() {
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| 186 | 41342 | jjdelcerro | return this.defaultGeometry; |
| 187 | 40435 | jjdelcerro | } |
| 188 | |||
| 189 | /*
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| 190 | * (non-Javadoc)
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| 191 | *
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| 192 | * @see
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| 193 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultEnvelope(org
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| 194 | * .gvsig.fmap.geom.primitive.Envelope)
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| 195 | */
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| 196 | public void setDefaultEnvelope(Envelope envelope) { |
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| 197 | this.envelope = envelope;
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| 198 | } |
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| 199 | |||
| 200 | /*
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| 201 | * (non-Javadoc)
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| 202 | *
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| 203 | * @see
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| 204 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultGeometry(org
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| 205 | * .gvsig.fmap.geom.Geometry)
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| 206 | */
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| 207 | public void setDefaultGeometry(Geometry geom) { |
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| 208 | int i = featureType.getDefaultGeometryAttributeIndex();
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| 209 | 41212 | jjdelcerro | this.set(i, geom);
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| 210 | 40435 | jjdelcerro | } |
| 211 | |||
| 212 | /*
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| 213 | * (non-Javadoc)
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| 214 | *
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| 215 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(int)
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| 216 | */
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| 217 | public boolean isNull(int i) { |
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| 218 | return nulls[i];
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| 219 | } |
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| 220 | |||
| 221 | /*
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| 222 | * (non-Javadoc)
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| 223 | *
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| 224 | * @see
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| 225 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(java.lang.String)
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| 226 | */
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| 227 | public boolean isNull(String name) { |
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| 228 | int i = featureType.getIndex(name);
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| 229 | return isNull(i);
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| 230 | } |
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| 231 | |||
| 232 | /*
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| 233 | * (non-Javadoc)
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| 234 | *
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| 235 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getOID()
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| 236 | */
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| 237 | public Object getOID() { |
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| 238 | return this.oid; |
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| 239 | } |
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| 240 | |||
| 241 | /*
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| 242 | * (non-Javadoc)
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| 243 | *
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| 244 | * @see
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| 245 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setOID(java.lang.Object)
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| 246 | */
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| 247 | public void setOID(Object oid) { |
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| 248 | this.oid = oid;
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| 249 | } |
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| 250 | |||
| 251 | /*
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| 252 | * (non-Javadoc)
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| 253 | *
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| 254 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNew()
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| 255 | */
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| 256 | public boolean isNew(){ |
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| 257 | return isNew;
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| 258 | } |
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| 259 | |||
| 260 | /*
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| 261 | * (non-Javadoc)
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| 262 | *
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| 263 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setNew(boolean)
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| 264 | */
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| 265 | public void setNew(boolean isNew){ |
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| 266 | this.isNew=isNew;
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| 267 | } |
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| 268 | } |