svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / raster / impl / DefaultRasterSet.java @ 44831
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1 | 43803 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2016 gvSIG Association
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.fmap.dal.raster.impl; |
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24 | |||
25 | import java.awt.image.BufferedImage; |
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26 | import java.util.Iterator; |
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27 | |||
28 | import org.cresques.cts.ICoordTrans; |
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29 | import org.cresques.cts.IProjection; |
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30 | import org.slf4j.Logger; |
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31 | import org.slf4j.LoggerFactory; |
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32 | |||
33 | import org.gvsig.fmap.dal.DataStore; |
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34 | import org.gvsig.fmap.dal.exception.DataException; |
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35 | 43876 | jjdelcerro | import org.gvsig.fmap.dal.raster.RasterQuery; |
36 | import org.gvsig.fmap.dal.raster.RasterSet; |
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37 | import org.gvsig.fmap.dal.raster.RasterStore; |
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38 | import org.gvsig.fmap.dal.raster.exceptions.RasterSetInitializeException; |
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39 | 43803 | fdiaz | import org.gvsig.fmap.dal.raster.spi.RasterStoreProvider; |
40 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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41 | import org.gvsig.fmap.geom.GeometryLocator; |
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42 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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43 | import org.gvsig.fmap.geom.primitive.Envelope; |
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44 | import org.gvsig.fmap.geom.primitive.Point; |
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45 | import org.gvsig.raster.lib.buffer.api.Band; |
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46 | import org.gvsig.raster.lib.buffer.api.Band.BandByte; |
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47 | import org.gvsig.raster.lib.buffer.api.Band.BandDouble; |
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48 | import org.gvsig.raster.lib.buffer.api.Band.BandFloat; |
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49 | import org.gvsig.raster.lib.buffer.api.Band.BandInt; |
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50 | import org.gvsig.raster.lib.buffer.api.Band.BandShort; |
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51 | import org.gvsig.raster.lib.buffer.api.BandInfo; |
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52 | import org.gvsig.raster.lib.buffer.api.Buffer; |
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53 | import org.gvsig.raster.lib.buffer.api.BufferDimensions; |
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54 | import org.gvsig.raster.lib.buffer.api.NoData; |
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55 | import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
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56 | import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
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57 | import org.gvsig.raster.lib.buffer.api.statistics.Statistics; |
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58 | import org.gvsig.tools.ToolsLocator; |
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59 | import org.gvsig.tools.dispose.DisposableManager; |
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60 | import org.gvsig.tools.dispose.DisposeUtils; |
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61 | import org.gvsig.tools.exception.BaseException; |
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62 | import org.gvsig.tools.locator.LocatorException; |
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63 | import org.gvsig.tools.observer.Observable; |
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64 | import org.gvsig.tools.observer.Observer; |
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65 | import org.gvsig.tools.task.SimpleTaskStatus; |
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66 | import org.gvsig.tools.visitor.VisitCanceledException; |
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67 | import org.gvsig.tools.visitor.Visitor; |
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68 | import org.gvsig.tools.visitor.impl.AbstractIndexedVisitable; |
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69 | |||
70 | /**
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71 | * Implements RasterSet
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72 | *
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73 | * @author dmartinezizquierdo
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74 | *
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75 | */
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76 | public class DefaultRasterSet extends AbstractIndexedVisitable implements RasterSet, Observer { |
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77 | |||
78 | protected static final Logger logger = LoggerFactory.getLogger(DefaultRasterSet.class); |
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79 | |||
80 | private DefaultRasterStore store;
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81 | protected RasterQuery query;
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82 | protected Buffer buffer; |
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83 | |||
84 | // to make it disposable
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85 | private final Object lock = new Object(); |
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86 | private boolean disposed = false; |
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87 | |||
88 | /**
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89 | * Creates a RasterSet with the raster filtered by the query
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90 | *
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91 | * @param store
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92 | * @param query
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93 | * @throws DataException
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94 | */
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95 | public DefaultRasterSet(RasterStore store, RasterQuery query) throws DataException { |
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96 | if (ToolsLocator.getDisposableManager() != null) { |
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97 | ToolsLocator.getDisposableManager().bind(this);
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98 | } else {
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99 | logger.warn("Can't retrieve the disposable manager,");
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100 | } |
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101 | |||
102 | DisposableManager disposableManager = ToolsLocator.getDisposableManager(); |
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103 | disposableManager.bind(store); |
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104 | this.store = (DefaultRasterStore) store;
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105 | this.query = query;
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106 | RasterStoreProvider provider = this.store.getProvider();
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107 | |||
108 | try {
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109 | buffer = provider.createBuffer(query); |
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110 | // Filter buffer by raster query
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111 | if (buffer!=null && query != null) { |
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112 | if (query.getClip() != null) { |
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113 | Buffer clip = buffer.clip(query.getClip());
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114 | DisposeUtils.dispose(buffer); |
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115 | buffer = clip; |
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116 | } |
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117 | } |
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118 | } catch (BufferException e) {
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119 | throw new RasterSetInitializeException(e); |
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120 | } |
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121 | |||
122 | this.store.addObserver(this); |
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123 | } |
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124 | |||
125 | @Override
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126 | public int getBandCount() { |
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127 | if (this.buffer != null) { |
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128 | return this.buffer.getBandCount(); |
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129 | } |
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130 | return 0; |
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131 | } |
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132 | |||
133 | @Override
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134 | public Band[] getBands() { |
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135 | if (this.buffer != null) { |
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136 | return this.buffer.getBands(); |
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137 | } |
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138 | return null; |
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139 | } |
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140 | |||
141 | @Override
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142 | public int getColumns() { |
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143 | if (this.buffer != null) { |
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144 | return this.buffer.getColumns(); |
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145 | } |
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146 | return 0; |
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147 | } |
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148 | |||
149 | @Override
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150 | public int getRows() { |
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151 | if (this.buffer != null) { |
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152 | return this.buffer.getRows(); |
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153 | } |
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154 | return 0; |
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155 | } |
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156 | |||
157 | @Override
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158 | 43876 | jjdelcerro | public boolean areAllBandsOfTheSameType() { |
159 | if (this.buffer != null) { |
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160 | return this.buffer.areAllBandsOfTheSameType(); |
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161 | } |
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162 | return true; |
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163 | } |
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164 | |||
165 | @Override
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166 | 43803 | fdiaz | public Envelope getEnvelope() throws LocatorException, CreateEnvelopeException { |
167 | if (this.buffer != null) { |
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168 | return this.buffer.getEnvelope(); |
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169 | } |
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170 | return GeometryLocator.getGeometryManager().createEnvelope(SUBTYPES.GEOM2D);
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171 | } |
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172 | |||
173 | @Override
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174 | public IProjection getProjection() {
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175 | if (this.buffer != null) { |
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176 | return this.buffer.getProjection(); |
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177 | } |
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178 | return null; // /OJO |
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179 | } |
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180 | |||
181 | @Override
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182 | public boolean isInside(int cellX, int cellY) { |
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183 | if (this.buffer != null) { |
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184 | return this.buffer.isInside(cellX, cellY); |
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185 | } |
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186 | return false; |
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187 | } |
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188 | |||
189 | @Override
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190 | public boolean isInside(Point point) { |
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191 | if (this.buffer != null) { |
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192 | return this.buffer.isInside(point); |
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193 | } |
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194 | return false; |
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195 | } |
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196 | |||
197 | @Override
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198 | public void addBand(Band band) { |
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199 | if (this.buffer != null) { |
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200 | this.buffer.addBand(band);
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201 | } |
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202 | } |
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203 | |||
204 | @Override
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205 | public void setBand(int pos, Band band) throws BandException { |
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206 | if (this.buffer != null) { |
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207 | this.buffer.setBand(pos, band);
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208 | } |
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209 | } |
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210 | |||
211 | @Override
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212 | public void removeBand(int pos) { |
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213 | if (this.buffer != null) { |
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214 | this.buffer.removeBand(pos);
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215 | } |
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216 | } |
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217 | |||
218 | @Override
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219 | public Band getBand(int pos) { |
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220 | if (this.buffer != null) { |
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221 | return this.buffer.getBand(pos); |
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222 | } |
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223 | return null; |
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224 | } |
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225 | |||
226 | @Override
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227 | public BandByte getBandByte(int pos) { |
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228 | if (this.buffer != null) { |
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229 | return this.buffer.getBandByte(pos); |
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230 | } |
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231 | return null; |
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232 | } |
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233 | |||
234 | @Override
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235 | public BandShort getBandShort(int pos) { |
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236 | if (this.buffer != null) { |
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237 | return this.buffer.getBandShort(pos); |
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238 | } |
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239 | return null; |
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240 | } |
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241 | |||
242 | @Override
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243 | public BandInt getBandInt(int pos) { |
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244 | if (this.buffer != null) { |
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245 | return this.buffer.getBandInt(pos); |
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246 | } |
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247 | return null; |
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248 | } |
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249 | |||
250 | @Override
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251 | public BandFloat getBandFloat(int pos) { |
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252 | if (this.buffer != null) { |
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253 | return this.buffer.getBandFloat(pos); |
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254 | } |
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255 | return null; |
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256 | } |
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257 | |||
258 | @Override
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259 | public BandDouble getBandDouble(int pos) { |
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260 | if (this.buffer != null) { |
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261 | return this.buffer.getBandDouble(pos); |
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262 | } |
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263 | return null; |
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264 | } |
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265 | |||
266 | @Override
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267 | public void switchBands(int[] positions) { |
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268 | if (this.buffer != null) { |
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269 | this.buffer.switchBands(positions);
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270 | } |
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271 | } |
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272 | |||
273 | @Override
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274 | public void switchBands(int pos1, int pos2) { |
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275 | if (this.buffer != null) { |
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276 | this.buffer.switchBands(pos1, pos2);
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277 | } |
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278 | } |
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279 | |||
280 | @Override
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281 | public Buffer createInterpolated(int rows, int columns, int interpolationMode, SimpleTaskStatus status) |
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282 | throws LocatorException, BufferException {
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283 | if (this.buffer != null) { |
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284 | return this.buffer.createInterpolated(rows, columns, interpolationMode, status); |
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285 | } |
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286 | return null; |
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287 | } |
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288 | |||
289 | @Override
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290 | public Buffer convert(ICoordTrans ct, SimpleTaskStatus status) throws BufferException { |
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291 | if (this.buffer != null) { |
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292 | return this.buffer.convert(ct, status); |
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293 | } |
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294 | return null; |
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295 | } |
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296 | |||
297 | @Override
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298 | public int[] getBandTypes() { |
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299 | if (this.buffer != null) { |
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300 | return this.buffer.getBandTypes(); |
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301 | } |
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302 | return null; |
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303 | } |
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304 | |||
305 | @Override
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306 | public NoData[] getBandNoData() { |
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307 | if (this.buffer != null) { |
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308 | return this.buffer.getBandNoData(); |
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309 | } |
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310 | return null; |
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311 | |||
312 | } |
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313 | |||
314 | @Override
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315 | public Buffer clip(Envelope envelope) throws BufferException { |
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316 | if (this.buffer != null) { |
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317 | return this.buffer.clip(envelope); |
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318 | } |
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319 | return null; |
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320 | } |
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321 | |||
322 | @Override
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323 | public double getPixelSizeX() { |
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324 | if (this.buffer != null) { |
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325 | return this.buffer.getPixelSizeX(); |
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326 | } |
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327 | return Double.NaN; |
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328 | } |
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329 | |||
330 | @Override
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331 | public double getPixelSizeY() { |
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332 | if (this.buffer != null) { |
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333 | return this.buffer.getPixelSizeY(); |
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334 | } |
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335 | return Double.NaN; |
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336 | } |
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337 | |||
338 | @Override
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339 | public Statistics getStatistics(SimpleTaskStatus status) {
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340 | if (this.buffer != null) { |
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341 | return this.buffer.getStatistics(status); |
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342 | } |
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343 | return null; |
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344 | } |
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345 | |||
346 | @Override
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347 | public void addObserver(Observer o) { |
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348 | if (this.buffer != null) { |
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349 | this.buffer.addObserver(o);
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350 | } |
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351 | } |
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352 | |||
353 | @Override
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354 | public void deleteObserver(Observer o) { |
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355 | if (this.buffer != null) { |
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356 | this.buffer.deleteObserver(o);
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357 | } |
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358 | } |
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359 | |||
360 | @Override
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361 | public void deleteObservers() { |
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362 | if (this.buffer != null) { |
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363 | this.buffer.deleteObservers();
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364 | } |
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365 | } |
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366 | |||
367 | @Override
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368 | public Iterator<Band> iterator() { |
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369 | if (this.buffer != null) { |
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370 | return this.buffer.iterator(); |
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371 | } |
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372 | return null; |
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373 | } |
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374 | |||
375 | @Override
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376 | public boolean isFromStore(DataStore store) { |
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377 | return this.store.equals(store); |
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378 | } |
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379 | |||
380 | @Override
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381 | public void update(Observable observable, Object notification) { |
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382 | // Do nothing
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383 | } |
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384 | |||
385 | @Override
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386 | protected void doAccept(Visitor visitor, long firstValueIndex) throws VisitCanceledException, BaseException { |
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387 | if (this.buffer != null) { |
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388 | |||
389 | DefaultRasterKernel kernel = new DefaultRasterKernel(this.buffer); |
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390 | for (int row = 0; row < this.buffer.getRows(); row++) { |
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391 | for (int column = 0; column < this.buffer.getColumns(); column++) { |
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392 | kernel.set(row, column); |
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393 | visitor.visit(kernel); |
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394 | } |
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395 | } |
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396 | } |
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397 | } |
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398 | |||
399 | 43876 | jjdelcerro | @Override
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400 | 43803 | fdiaz | public final void dispose() { |
401 | synchronized (lock) {
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402 | // Check if we have already been disposed, and don't do it again
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403 | if (!disposed) {
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404 | if (ToolsLocator.getDisposableManager().release(this)) { |
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405 | try {
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406 | doDispose(); |
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407 | } catch (BaseException ex) {
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408 | logger.error("Error performing dispose", ex);
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409 | } |
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410 | disposed = true;
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411 | } |
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412 | } |
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413 | } |
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414 | } |
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415 | |||
416 | /**
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417 | * Internal implementation for the {@link #dispose()} method.
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418 | *
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419 | 43876 | jjdelcerro | * @throws org.gvsig.tools.exception.BaseException
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420 | 43803 | fdiaz | * @see #dispose()
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421 | */
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422 | public void doDispose() throws BaseException { |
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423 | DisposeUtils.dispose(store); |
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424 | store = null;
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425 | DisposeUtils.dispose(buffer); |
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426 | buffer = null;
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427 | query = null;
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428 | } |
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429 | |||
430 | @Override
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431 | protected void finalize() throws Throwable { |
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432 | super.finalize();
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433 | } |
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434 | |||
435 | 43876 | jjdelcerro | @Override
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436 | 43803 | fdiaz | public BufferedImage getBufferedImage() { |
437 | if (this.buffer != null) { |
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438 | return buffer.getBufferedImage();
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439 | } |
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440 | return null; |
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441 | } |
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442 | |||
443 | @Override
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444 | public boolean isEmpty() { |
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445 | return buffer==null; |
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446 | } |
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447 | |||
448 | @Override
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449 | public BufferDimensions getDimensions() {
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450 | return buffer.getDimensions();
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451 | } |
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452 | |||
453 | @Override
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454 | public BandInfo[] getBandsInfo() { |
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455 | if (this.buffer != null) { |
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456 | return this.buffer.getBandsInfo(); |
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457 | } |
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458 | return null; |
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459 | } |
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460 | |||
461 | } |