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 @ 40559
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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 | /*
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| 25 | * AUTHORS (In addition to CIT):
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| 26 | * 2008 {{Company}} {{Task}}
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| 27 | */
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| 28 | |||
| 29 | package org.gvsig.fmap.dal.feature.spi; |
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| 30 | |||
| 31 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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| 32 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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| 33 | import org.gvsig.fmap.dal.feature.FeatureType; |
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| 34 | import org.gvsig.fmap.geom.Geometry; |
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| 35 | import org.gvsig.fmap.geom.primitive.Envelope; |
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| 36 | |||
| 37 | /**
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| 38 | * Default implementation for {@link FeatureProvider}
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| 39 | *
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| 40 | */
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| 41 | public class DefaultFeatureProvider implements FeatureProvider { |
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| 42 | |||
| 43 | protected FeatureType featureType;
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| 44 | protected boolean[] nulls; |
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| 45 | protected Object[] values; |
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| 46 | protected Geometry defaultGeometry;
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| 47 | protected Envelope envelope;
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| 48 | private Object oid; |
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| 49 | private boolean isNew=false; |
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| 50 | |||
| 51 | public DefaultFeatureProvider(FeatureType type) {
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| 52 | if (type instanceof EditableFeatureType) { |
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| 53 | throw new IllegalArgumentException("type can't by editable."); |
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| 54 | } |
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| 55 | this.featureType = type;
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| 56 | this.values = new Object[featureType.size()]; |
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| 57 | this.nulls = new boolean[featureType.size()]; |
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| 58 | |||
| 59 | this.envelope = null; |
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| 60 | this.defaultGeometry = null; |
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| 61 | this.oid = null; |
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| 62 | } |
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| 63 | |||
| 64 | public DefaultFeatureProvider(FeatureType type, Object oid) { |
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| 65 | this(type);
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| 66 | this.oid = oid;
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| 67 | } |
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| 68 | |||
| 69 | /*
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| 70 | * (non-Javadoc)
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| 71 | *
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| 72 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(int,
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| 73 | * java.lang.Object)
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| 74 | */
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| 75 | public void set(int i, Object value) { |
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| 76 | if (featureType.getDefaultGeometryAttributeIndex() == i) {
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| 77 | defaultGeometry = (Geometry) value; |
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| 78 | envelope = null;
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| 79 | } |
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| 80 | if (value == null) { |
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| 81 | nulls[i] = true;
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| 82 | values[i] = featureType.getAttributeDescriptor(i).getDefaultValue(); |
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| 83 | } else {
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| 84 | values[i] = value; |
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| 85 | nulls[i] = false;
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| 86 | } |
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| 87 | } |
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| 88 | |||
| 89 | /*
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| 90 | * (non-Javadoc)
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| 91 | *
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| 92 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#set(java.lang.String,
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| 93 | * java.lang.Object)
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| 94 | */
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| 95 | public void set(String name, Object value) { |
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| 96 | set(featureType.getIndex(name), value); |
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| 97 | } |
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| 98 | |||
| 99 | /*
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| 100 | * (non-Javadoc)
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| 101 | *
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| 102 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(int)
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| 103 | */
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| 104 | public Object get(int i) { |
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| 105 | return values[i];
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| 106 | } |
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| 107 | |||
| 108 | /*
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| 109 | * (non-Javadoc)
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| 110 | *
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| 111 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#get(java.lang.String)
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| 112 | */
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| 113 | public Object get(String name) { |
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| 114 | FeatureAttributeDescriptor featureAttributeDescriptor = featureType.getAttributeDescriptor(name); |
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| 115 | return values[featureAttributeDescriptor.getIndex()];
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| 116 | } |
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| 117 | |||
| 118 | /*
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| 119 | * (non-Javadoc)
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| 120 | *
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| 121 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getType()
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| 122 | */
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| 123 | public FeatureType getType() {
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| 124 | return featureType;
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| 125 | } |
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| 126 | |||
| 127 | /*
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| 128 | * (non-Javadoc)
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| 129 | *
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| 130 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getCopy()
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| 131 | */
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| 132 | public FeatureProvider getCopy() {
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| 133 | DefaultFeatureProvider data = new DefaultFeatureProvider(
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| 134 | this.getType());
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| 135 | return getCopy(data);
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| 136 | } |
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| 137 | |||
| 138 | /**
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| 139 | * Copy values from current instance to <code>data</code>
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| 140 | */
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| 141 | protected FeatureProvider getCopy(DefaultFeatureProvider data) {
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| 142 | data.oid = this.oid;
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| 143 | System.arraycopy(this.values, 0, data.values, 0, this.values.length); |
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| 144 | data.defaultGeometry = this.defaultGeometry;
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| 145 | data.envelope = this.envelope;
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| 146 | data.isNew=this.isNew;
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| 147 | return data;
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| 148 | } |
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| 149 | |||
| 150 | /*
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| 151 | * (non-Javadoc)
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| 152 | *
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| 153 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultEnvelope()
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| 154 | */
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| 155 | public Envelope getDefaultEnvelope() {
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| 156 | if (envelope == null && defaultGeometry != null) { |
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| 157 | envelope = defaultGeometry.getEnvelope(); |
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| 158 | } |
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| 159 | return envelope;
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| 160 | } |
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| 161 | |||
| 162 | /*
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| 163 | * (non-Javadoc)
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| 164 | *
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| 165 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getDefaultGeometry()
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| 166 | */
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| 167 | public Geometry getDefaultGeometry() {
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| 168 | return this.defaultGeometry; |
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| 169 | } |
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| 170 | |||
| 171 | /*
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| 172 | * (non-Javadoc)
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| 173 | *
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| 174 | * @see
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| 175 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultEnvelope(org
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| 176 | * .gvsig.fmap.geom.primitive.Envelope)
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| 177 | */
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| 178 | public void setDefaultEnvelope(Envelope envelope) { |
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| 179 | this.envelope = envelope;
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| 180 | } |
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| 181 | |||
| 182 | /*
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| 183 | * (non-Javadoc)
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| 184 | *
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| 185 | * @see
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| 186 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setDefaultGeometry(org
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| 187 | * .gvsig.fmap.geom.Geometry)
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| 188 | */
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| 189 | public void setDefaultGeometry(Geometry geom) { |
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| 190 | int i = featureType.getDefaultGeometryAttributeIndex();
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| 191 | defaultGeometry = geom; |
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| 192 | envelope = null;
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| 193 | values[i] = geom; |
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| 194 | } |
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| 195 | |||
| 196 | /*
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| 197 | * (non-Javadoc)
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| 198 | *
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| 199 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(int)
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| 200 | */
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| 201 | public boolean isNull(int i) { |
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| 202 | return nulls[i];
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| 203 | } |
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| 204 | |||
| 205 | /*
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| 206 | * (non-Javadoc)
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| 207 | *
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| 208 | * @see
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| 209 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNull(java.lang.String)
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| 210 | */
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| 211 | public boolean isNull(String name) { |
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| 212 | int i = featureType.getIndex(name);
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| 213 | return isNull(i);
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| 214 | } |
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| 215 | |||
| 216 | /*
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| 217 | * (non-Javadoc)
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| 218 | *
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| 219 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#getOID()
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| 220 | */
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| 221 | public Object getOID() { |
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| 222 | return this.oid; |
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| 223 | } |
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| 224 | |||
| 225 | /*
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| 226 | * (non-Javadoc)
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| 227 | *
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| 228 | * @see
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| 229 | * org.gvsig.fmap.dal.feature.spi.FeatureProvider#setOID(java.lang.Object)
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| 230 | */
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| 231 | public void setOID(Object oid) { |
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| 232 | this.oid = oid;
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| 233 | } |
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| 234 | |||
| 235 | /*
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| 236 | * (non-Javadoc)
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| 237 | *
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| 238 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#isNew()
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| 239 | */
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| 240 | public boolean isNew(){ |
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| 241 | return isNew;
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| 242 | } |
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| 243 | |||
| 244 | /*
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| 245 | * (non-Javadoc)
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| 246 | *
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| 247 | * @see org.gvsig.fmap.dal.feature.spi.FeatureProvider#setNew(boolean)
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| 248 | */
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| 249 | public void setNew(boolean isNew){ |
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| 250 | this.isNew=isNew;
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| 251 | } |
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| 252 | } |