gvsig-raster / org.gvsig.raster / branches / org.gvsig.raster.2.4 / org.gvsig.raster / org.gvsig.raster.tilecache / org.gvsig.raster.tilecache.provider / src / main / java / org / gvsig / raster / tilecache / provider / FileTileCacheStructImage.java @ 8788
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1 | 6340 | dmartinezizquierdo | /* 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.raster.tilecache.provider; |
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24 | |||
25 | import java.io.File; |
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26 | 6509 | fdiaz | import java.io.IOException; |
27 | import java.util.ArrayList; |
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28 | 6385 | fdiaz | import java.util.HashMap; |
29 | 6340 | dmartinezizquierdo | import java.util.Iterator; |
30 | 6509 | fdiaz | import java.util.List; |
31 | 6385 | fdiaz | import java.util.Map; |
32 | 6502 | fdiaz | import java.util.Map.Entry; |
33 | import java.util.Set; |
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34 | 6340 | dmartinezizquierdo | import java.util.TreeMap; |
35 | |||
36 | import javax.xml.parsers.DocumentBuilder; |
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37 | import javax.xml.parsers.DocumentBuilderFactory; |
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38 | 6509 | fdiaz | import javax.xml.parsers.ParserConfigurationException; |
39 | import javax.xml.transform.OutputKeys; |
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40 | import javax.xml.transform.Transformer; |
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41 | import javax.xml.transform.TransformerException; |
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42 | import javax.xml.transform.TransformerFactory; |
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43 | import javax.xml.transform.dom.DOMSource; |
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44 | import javax.xml.transform.stream.StreamResult; |
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45 | 6340 | dmartinezizquierdo | |
46 | 6518 | fdiaz | import org.apache.commons.io.FileUtils; |
47 | 6340 | dmartinezizquierdo | import org.apache.commons.io.FilenameUtils; |
48 | 6511 | fdiaz | import org.apache.commons.lang3.StringUtils; |
49 | 6340 | dmartinezizquierdo | import org.cresques.cts.IProjection; |
50 | 6385 | fdiaz | import org.slf4j.Logger; |
51 | import org.slf4j.LoggerFactory; |
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52 | 6509 | fdiaz | import org.w3c.dom.Attr; |
53 | 6385 | fdiaz | import org.w3c.dom.Document; |
54 | import org.w3c.dom.Element; |
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55 | import org.w3c.dom.NamedNodeMap; |
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56 | import org.w3c.dom.Node; |
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57 | import org.w3c.dom.NodeList; |
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58 | 6342 | fdiaz | |
59 | 6340 | dmartinezizquierdo | import org.gvsig.fmap.dal.DALFileLocator; |
60 | 6488 | fdiaz | import org.gvsig.fmap.dal.DataServerExplorer; |
61 | import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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62 | 6509 | fdiaz | import org.gvsig.fmap.dal.DataStore; |
63 | 6340 | dmartinezizquierdo | import org.gvsig.fmap.dal.DataStoreProviderFactory; |
64 | import org.gvsig.fmap.dal.exception.DataException; |
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65 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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66 | 6527 | fdiaz | import org.gvsig.fmap.dal.raster.api.NewRasterStoreParameters; |
67 | 6488 | fdiaz | import org.gvsig.fmap.dal.raster.api.RasterQuery; |
68 | 6505 | fdiaz | import org.gvsig.fmap.dal.raster.api.RasterSet; |
69 | 6340 | dmartinezizquierdo | import org.gvsig.fmap.dal.raster.api.RasterStore; |
70 | 6420 | fdiaz | import org.gvsig.fmap.dal.raster.spi.RasterStoreProvider; |
71 | 6340 | dmartinezizquierdo | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerManager; |
72 | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderFactory; |
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73 | import org.gvsig.fmap.dal.spi.DALSPILocator; |
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74 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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75 | import org.gvsig.fmap.geom.Geometry.DIMENSIONS; |
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76 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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77 | import org.gvsig.fmap.geom.GeometryLocator; |
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78 | import org.gvsig.fmap.geom.GeometryManager; |
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79 | 6488 | fdiaz | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
80 | 6340 | dmartinezizquierdo | import org.gvsig.fmap.geom.primitive.Envelope; |
81 | import org.gvsig.raster.lib.buffer.api.Band; |
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82 | 6385 | fdiaz | import org.gvsig.raster.lib.buffer.api.Buffer; |
83 | import org.gvsig.raster.lib.buffer.api.BufferLocator; |
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84 | import org.gvsig.raster.lib.buffer.api.BufferManager; |
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85 | 6509 | fdiaz | import org.gvsig.raster.lib.buffer.api.TileStruct; |
86 | 6385 | fdiaz | import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
87 | 6509 | fdiaz | import org.gvsig.raster.lib.buffer.spi.DefaultTileStruct; |
88 | 6498 | fdiaz | import org.gvsig.tools.ToolsLocator; |
89 | 6509 | fdiaz | import org.gvsig.tools.dispose.Disposable; |
90 | 6494 | fdiaz | import org.gvsig.tools.dispose.DisposeUtils; |
91 | 6340 | dmartinezizquierdo | import org.gvsig.tools.dynobject.DynObject; |
92 | 6498 | fdiaz | import org.gvsig.tools.exception.BaseException; |
93 | 6340 | dmartinezizquierdo | import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension; |
94 | 6342 | fdiaz | |
95 | 6340 | dmartinezizquierdo | /**
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96 | * Represents a tiled image
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97 | 6491 | fdiaz | *
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98 | 6340 | dmartinezizquierdo | * @author dmartinezizquierdo
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99 | *
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100 | */
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101 | 6520 | fdiaz | public class FileTileCacheStructImage extends AbstractTileCacheStructImage { |
102 | 6340 | dmartinezizquierdo | |
103 | 6520 | fdiaz | private static final Logger logger = LoggerFactory.getLogger(FileTileCacheStructImage.class); |
104 | 6403 | fdiaz | private static final int MAX_RECENT_ACCEDED_TILES_NUMBER = 50; |
105 | 6340 | dmartinezizquierdo | |
106 | 6342 | fdiaz | private FilesystemServerExplorerProviderFactory factory;
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107 | private String extension; |
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108 | 6340 | dmartinezizquierdo | private File tilesFolder; |
109 | |||
110 | private IProjection crs;
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111 | |||
112 | 6342 | fdiaz | /**
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113 | * @param folder
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114 | * @param crs
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115 | 6488 | fdiaz | * @param innerProvider
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116 | 6516 | fdiaz | * @param query
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117 | 6342 | fdiaz | */
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118 | 6520 | fdiaz | public FileTileCacheStructImage(File folder, IProjection crs, RasterStoreProvider innerProvider, RasterQuery query) { |
119 | 6516 | fdiaz | super(innerProvider, query);
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120 | 6488 | fdiaz | this.crs = crs;
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121 | GeometryManager geoManager = GeometryLocator.getGeometryManager(); |
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122 | 6511 | fdiaz | getTileStruct(); |
123 | 6385 | fdiaz | |
124 | 6509 | fdiaz | // FIXME
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125 | File tilePropertiesFile = new File(folder, "tileCacheStruct.xml"); |
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126 | if (!tilePropertiesFile.exists()) {
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127 | createTileCacheStructXMLFile(folder); |
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128 | } |
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129 | |||
130 | TreeMap<Integer, Double> pixelSizePerZoomLevel = new TreeMap<Integer, Double>(); |
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131 | 6385 | fdiaz | recentAccededTiles = new HashMap<String, Tile>(); |
132 | 6340 | dmartinezizquierdo | |
133 | 6488 | fdiaz | tilesFolder = new File(folder, "V" + File.separatorChar + "Z" + File.separatorChar + "T"); |
134 | 6491 | fdiaz | if (!tilesFolder.exists()) {
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135 | 6488 | fdiaz | tilesFolder.mkdirs(); |
136 | } |
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137 | 6340 | dmartinezizquierdo | DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); |
138 | DocumentBuilder dBuilder;
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139 | try {
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140 | dBuilder = dbFactory.newDocumentBuilder(); |
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141 | Document doc = dBuilder.parse(tilePropertiesFile);
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142 | |||
143 | doc.getDocumentElement().normalize(); |
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144 | |||
145 | NodeList nList = doc.getElementsByTagName("TileCacheStruct");
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146 | for (int temp = 0; temp < nList.getLength(); temp++) { |
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147 | |||
148 | Node nNode = nList.item(temp); |
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149 | |||
150 | if (nNode.getNodeType() == Node.ELEMENT_NODE) {
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151 | Element eElement = (Element) nNode; |
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152 | |||
153 | NamedNodeMap tileSizeAttributes = eElement.getElementsByTagName("tileSize").item(0).getAttributes(); |
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154 | 6509 | fdiaz | tileStruct.setRowsPerTile(Integer.valueOf(tileSizeAttributes.getNamedItem("rows").getNodeValue())); |
155 | tileStruct.setColumnsPerTile(Integer.valueOf(tileSizeAttributes.getNamedItem("columns").getNodeValue())); |
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156 | 6340 | dmartinezizquierdo | |
157 | NodeList elementsByTagName = eElement.getElementsByTagName("format");
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158 | 6509 | fdiaz | tileStruct.setProviderName(elementsByTagName.item(0).getTextContent());
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159 | 6340 | dmartinezizquierdo | |
160 | 6385 | fdiaz | NodeList structExtentList = eElement.getElementsByTagName("structExtent");
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161 | 6488 | fdiaz | if (structExtentList.getLength() > 0) { |
162 | Element structExtentNode = (Element) structExtentList.item(0); |
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163 | if (structExtentNode != null) { |
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164 | Double minX =
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165 | Double.valueOf(structExtentNode.getElementsByTagName("minX").item(0).getTextContent()); |
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166 | Double minY =
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167 | Double.valueOf(structExtentNode.getElementsByTagName("minY").item(0).getTextContent()); |
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168 | Double maxX =
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169 | Double.valueOf(structExtentNode.getElementsByTagName("maxX").item(0).getTextContent()); |
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170 | Double maxY =
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171 | Double.valueOf(structExtentNode.getElementsByTagName("maxY").item(0).getTextContent()); |
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172 | 6509 | fdiaz | tileStruct.setEnvelope(geoManager.createEnvelope(minX, minY, maxX, maxY, SUBTYPES.GEOM2D)); } |
173 | 6385 | fdiaz | } |
174 | |||
175 | 6488 | fdiaz | FilesystemServerExplorerManager explorerManager = |
176 | DALFileLocator.getFilesystemServerExplorerManager(); |
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177 | 6342 | fdiaz | @SuppressWarnings("unchecked") |
178 | Iterator<Extension> it = explorerManager.getRegisteredProviders();
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179 | 6488 | fdiaz | while (it.hasNext()) {
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180 | 6340 | dmartinezizquierdo | |
181 | 6342 | fdiaz | Extension ext = it.next(); |
182 | 6340 | dmartinezizquierdo | FilesystemServerExplorerProviderFactory providerFactory; |
183 | try {
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184 | providerFactory = (FilesystemServerExplorerProviderFactory) ext.create(); |
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185 | 6509 | fdiaz | if (providerFactory.getName().equalsIgnoreCase(tileStruct.getProviderName())) {
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186 | 6340 | dmartinezizquierdo | this.factory = providerFactory;
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187 | break;
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188 | } |
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189 | } catch (Exception e) { |
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190 | throw new RuntimeException(e);// FIXME !!! |
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191 | } |
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192 | } |
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193 | |||
194 | NodeList levelsTag = eElement.getElementsByTagName("levels");
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195 | 6488 | fdiaz | Element levels = (Element) levelsTag.item(0); |
196 | NodeList levelList = levels.getElementsByTagName("level");
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197 | 6340 | dmartinezizquierdo | for (int i = 0; i < levelList.getLength(); i++) { |
198 | 6488 | fdiaz | Element level = (Element) levelList.item(i); |
199 | 6385 | fdiaz | |
200 | NamedNodeMap levelAttributes = level.getAttributes(); |
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201 | 6488 | fdiaz | int zoomLevel = Integer.valueOf(levelAttributes.getNamedItem("index").getNodeValue()); |
202 | double pixelSize = Double.valueOf(levelAttributes.getNamedItem("pixelSize").getNodeValue()); |
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203 | 6385 | fdiaz | |
204 | 6340 | dmartinezizquierdo | pixelSizePerZoomLevel.put(zoomLevel, pixelSize); |
205 | 6385 | fdiaz | |
206 | 6340 | dmartinezizquierdo | } |
207 | 6509 | fdiaz | this.tileStruct.setPixelSizePerZoomLevel(pixelSizePerZoomLevel);
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208 | 6340 | dmartinezizquierdo | } |
209 | } |
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210 | } catch (Exception e) { |
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211 | throw new RuntimeException(); |
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212 | } |
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213 | } |
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214 | |||
215 | 6516 | fdiaz | @Override
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216 | 6654 | fdiaz | public Band fetchTile(int bandNumber, int zoomLevel, int structRow, int structCol) { |
217 | 6340 | dmartinezizquierdo | |
218 | 6385 | fdiaz | BufferManager bufferManager = BufferLocator.getBufferManager(); |
219 | 6340 | dmartinezizquierdo | |
220 | 6385 | fdiaz | String keyTile = composeKeyForRecentTiles(zoomLevel, structRow, structCol);
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221 | Tile tile = recentAccededTiles.get(keyTile); |
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222 | 6340 | dmartinezizquierdo | |
223 | 6385 | fdiaz | if (tile != null) { |
224 | // Devolver la banda del buffer del tile
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225 | 6506 | fdiaz | return tile.getBuffer().getBand(bandNumber);
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226 | 6385 | fdiaz | } else {
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227 | // Cargar un tile nuevo
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228 | Buffer rasterSet = null; |
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229 | RasterStore tileStore = null;
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230 | 6505 | fdiaz | RasterSet tileStoreRasterSet = null;
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231 | 6385 | fdiaz | try {
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232 | tileStore = createTileStore(zoomLevel, structRow, structCol); |
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233 | 6505 | fdiaz | tileStoreRasterSet = tileStore.getRasterSet(); |
234 | rasterSet = bufferManager.createBuffer(tileStoreRasterSet, false);
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235 | 6342 | fdiaz | |
236 | 6498 | fdiaz | if (recentAccededTiles.size() >= MAX_RECENT_ACCEDED_TILES_NUMBER) {
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237 | 6385 | fdiaz | removeOlderTile(); |
238 | } |
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239 | recentAccededTiles.put(keyTile, new Tile(rasterSet, keyTile));
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240 | |||
241 | 6506 | fdiaz | Band band = rasterSet.getBand(bandNumber); |
242 | ToolsLocator.getDisposableManager().bind(band); |
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243 | return band;
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244 | 6654 | fdiaz | } catch (DataException | BufferException | ValidateDataParametersException | CreateEnvelopeException | CloneNotSupportedException e) { |
245 | 6509 | fdiaz | logger.warn("Can't fetch tile: zoomLevel = " + zoomLevel + ", tileRow = " + structRow |
246 | + ", tileColumn = " + structCol + ", band = " + bandNumber + ".", e); |
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247 | 6385 | fdiaz | return null; |
248 | } finally {
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249 | 6509 | fdiaz | DisposeUtils.dispose(tileStore); |
250 | tileStore = null;
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251 | DisposeUtils.dispose(tileStoreRasterSet); |
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252 | tileStoreRasterSet = null;
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253 | DisposeUtils.dispose(rasterSet); |
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254 | rasterSet = null;
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255 | 6385 | fdiaz | } |
256 | } |
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257 | } |
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258 | |||
259 | 6654 | fdiaz | private RasterStore createTileStore(int zoomLevel, int structRow, int structCol) throws ValidateDataParametersException, CreateEnvelopeException, BufferException, DataException, CloneNotSupportedException { |
260 | 6385 | fdiaz | |
261 | File tileFile = null; |
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262 | File zoomFolder = new File(tilesFolder, String.valueOf(zoomLevel)); |
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263 | 6488 | fdiaz | if (!zoomFolder.exists()) {
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264 | zoomFolder.mkdirs(); |
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265 | } |
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266 | File firstColumnFolder = new File(zoomFolder, String.valueOf(structCol)); |
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267 | if (!firstColumnFolder.exists()) {
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268 | tileFile = requestTileFile(zoomLevel, structRow, structCol); |
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269 | this.extension = FilenameUtils.getExtension(tileFile.getAbsolutePath());
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270 | } |
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271 | String rowBaseName = String.valueOf(structRow); |
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272 | if (this.extension == null) { |
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273 | File[] providerAcceptedFiles = firstColumnFolder.listFiles(factory); |
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274 | for (int i = 0; i < providerAcceptedFiles.length; i++) { |
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275 | File providerAcceptedFile = providerAcceptedFiles[i];
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276 | if (FilenameUtils.getBaseName(providerAcceptedFile.getAbsolutePath()).equalsIgnoreCase(rowBaseName)) {
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277 | tileFile = providerAcceptedFile; |
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278 | } |
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279 | } |
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280 | if (tileFile == null || !tileFile.exists()) { |
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281 | tileFile = requestTileFile(zoomLevel, structRow, structCol); |
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282 | } |
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283 | this.extension = FilenameUtils.getExtension(tileFile.getAbsolutePath());
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284 | } else {
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285 | if (tileFile == null) { |
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286 | tileFile = |
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287 | new File(firstColumnFolder.getAbsolutePath() + File.separatorChar + rowBaseName + "." |
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288 | + this.extension);
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289 | } |
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290 | } |
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291 | if (!tileFile.exists()) {
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292 | tileFile = requestTileFile(zoomLevel, structRow, structCol); |
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293 | } |
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294 | RasterStore tileStore = null;
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295 | DataManagerProviderServices manager = DALSPILocator.getDataManagerProviderServices(); |
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296 | 6509 | fdiaz | DataStoreProviderFactory providerFactory = manager.getStoreProviderFactory(this.tileStruct.getProviderName());
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297 | 6385 | fdiaz | |
298 | 6488 | fdiaz | DynObject params = providerFactory.createParameters(); |
299 | if (params.getDynClass().getDynField("file") != null) { |
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300 | params.setDynValue("file", tileFile);
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301 | } |
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302 | if (params.getDynClass().getDynField("crs") != null) { |
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303 | params.setDynValue("crs", this.crs); |
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304 | } |
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305 | 6385 | fdiaz | |
306 | 6509 | fdiaz | tileStore = (RasterStore) manager.openStore(this.tileStruct.getProviderName(), params);
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307 | 6488 | fdiaz | return tileStore;
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308 | } |
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309 | 6385 | fdiaz | |
310 | 6509 | fdiaz | private File requestTileFile(int zoomLevel, int structRow, int structCol) throws CreateEnvelopeException, |
311 | CloneNotSupportedException, BufferException, ValidateDataParametersException, DataException {
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312 | 6385 | fdiaz | |
313 | 6488 | fdiaz | RasterQuery rasterQuery = (RasterQuery) this.query.clone();
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314 | |||
315 | 6509 | fdiaz | Double pixelSize = this.tileStruct.getPixelSizePerZoomLevel().get(zoomLevel); |
316 | 6488 | fdiaz | rasterQuery.setPixelSize(pixelSize); |
317 | |||
318 | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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319 | |||
320 | 6509 | fdiaz | Envelope structExtent = this.tileStruct.getEnvelope();
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321 | int rowsPerTile = this.tileStruct.getRowsPerTile(); |
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322 | int columnsPerTile = this.tileStruct.getColumnsPerTile(); |
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323 | 6491 | fdiaz | double minX = structExtent.getMinimum(DIMENSIONS.X) + structCol * (pixelSize * columnsPerTile);
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324 | double minY = structExtent.getMaximum(DIMENSIONS.Y) - ((structRow + 1) * (pixelSize * rowsPerTile)); |
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325 | double maxX = minX + pixelSize * columnsPerTile;
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326 | double maxY = minY + pixelSize * rowsPerTile;
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327 | 6497 | fdiaz | Envelope envelope = geomManager.createEnvelope(minX, minY, maxX, maxY, SUBTYPES.GEOM2D); |
328 | 6527 | fdiaz | rasterQuery.setClip(envelope); |
329 | 6488 | fdiaz | |
330 | 6497 | fdiaz | Buffer buffer = null; |
331 | Buffer clippedBuffer = null; |
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332 | Buffer interpolatedBuffer = null; |
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333 | File destFile = null; |
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334 | 6488 | fdiaz | |
335 | 6497 | fdiaz | try {
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336 | buffer = innerProvider.createBuffer(rasterQuery); |
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337 | clippedBuffer = buffer.clip(envelope); |
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338 | interpolatedBuffer = |
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339 | clippedBuffer.createInterpolated( |
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340 | (int) (Math.round(clippedBuffer.getPixelSizeY() * clippedBuffer.getRows() / pixelSize)), |
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341 | (int) (Math.round(clippedBuffer.getPixelSizeX() * clippedBuffer.getColumns() / pixelSize)), |
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342 | 8788 | fdiaz | Buffer.INTERPOLATION_Bilinear, null); |
343 | 6488 | fdiaz | |
344 | 6497 | fdiaz | String providerName = "GTiff"; |
345 | String extension = "tif"; |
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346 | 6494 | fdiaz | |
347 | 6497 | fdiaz | DataManagerProviderServices manager = DALSPILocator.getDataManagerProviderServices(); |
348 | DataServerExplorerParameters eparams; |
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349 | eparams = manager.createServerExplorerParameters("FilesystemExplorer");
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350 | 6488 | fdiaz | |
351 | 6557 | fdiaz | destFile = FileUtils.getFile(tilesFolder,Integer.toString(zoomLevel),Integer.toString(structCol),Integer.toString(structRow)+"."+extension); |
352 | |||
353 | 6497 | fdiaz | File parent = destFile.getParentFile();
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354 | if (!parent.exists()) {
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355 | parent.mkdirs(); |
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356 | } |
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357 | 6557 | fdiaz | eparams.setDynValue("initialpath", destFile);
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358 | // DataServerExplorer serverExplorer = manager.createServerExplorer(eparams);
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359 | DataServerExplorer serverExplorer = manager.openServerExplorer(eparams.getExplorerName(), eparams); |
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360 | 6488 | fdiaz | |
361 | 6497 | fdiaz | NewRasterStoreParameters params = (NewRasterStoreParameters) serverExplorer.getAddParameters(providerName); |
362 | params.setDynValue("file", destFile);
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363 | 6488 | fdiaz | |
364 | 6497 | fdiaz | params.setDynValue("compress", "NONE"); |
365 | params.setDynValue("tfw", false); |
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366 | 6504 | fdiaz | |
367 | 6509 | fdiaz | // FIXME: Ver de coger estos dos valores del inner provider para que
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368 | // los tiles sean homog?neos con el raster original
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369 | int bands = innerProvider.getBands();
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370 | switch (bands) {
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371 | case 3: |
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372 | params.setDynValue("photometric", "RGB"); |
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373 | break;
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374 | case 4: |
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375 | params.setDynValue("photometric", "RGB"); |
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376 | params.setDynValue("alpha", "NON-PREMULTIPLIED"); |
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377 | break;
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378 | default:
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379 | 6542 | fdiaz | params.setDynValue("photometric", "MINISBLACK"); |
380 | 6509 | fdiaz | break;
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381 | } |
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382 | 6488 | fdiaz | |
383 | 6497 | fdiaz | params.setBuffer(interpolatedBuffer); |
384 | serverExplorer.add(providerName, params, true);
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385 | } finally {
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386 | 6509 | fdiaz | DisposeUtils.dispose(buffer); |
387 | DisposeUtils.dispose(clippedBuffer); |
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388 | DisposeUtils.dispose(interpolatedBuffer); |
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389 | 6497 | fdiaz | } |
390 | 6488 | fdiaz | |
391 | return destFile;
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392 | 6340 | dmartinezizquierdo | } |
393 | |||
394 | 6502 | fdiaz | @Override
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395 | protected void doDispose() throws BaseException { |
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396 | 6509 | fdiaz | if (recentAccededTiles != null) { |
397 | 6502 | fdiaz | Set<Entry<String, Tile>> entrySet = recentAccededTiles.entrySet(); |
398 | 6516 | fdiaz | for (Iterator<Entry<String, Tile>> iterator = entrySet.iterator(); iterator.hasNext();) { |
399 | 6502 | fdiaz | Entry<String, Tile> entry = (Entry<String, Tile>) iterator.next(); |
400 | DisposeUtils.dispose(entry.getValue()); |
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401 | } |
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402 | recentAccededTiles.clear(); |
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403 | } |
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404 | 6509 | fdiaz | DisposeUtils.dispose(innerProvider); |
405 | innerProvider = null;
|
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406 | DisposeUtils.dispose((Disposable) tileStruct); |
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407 | tileStruct = null;
|
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408 | |||
409 | query = null;
|
||
410 | factory = null;
|
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411 | crs = null;
|
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412 | colorInterpretation = null;
|
||
413 | legend = null;
|
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414 | colorTable = null;
|
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415 | } |
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416 | |||
417 | private void createTileCacheStructXMLFile(File folder) { |
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418 | 6511 | fdiaz | |
419 | TileStruct tileStructProvider = null;
|
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420 | |||
421 | 6528 | fdiaz | if (innerProvider != null) { |
422 | 6527 | fdiaz | tileStructProvider = innerProvider.getTileStruct(); |
423 | 6511 | fdiaz | } |
424 | |||
425 | 6510 | fdiaz | int tileSizeX = TileCacheLibrary.DEFAULT_TILEWIDTH;
|
426 | 6511 | fdiaz | if(tileStructProvider!=null && tileStructProvider.getColumnsPerTile()!=0){ |
427 | tileSizeX = tileStructProvider.getColumnsPerTile(); |
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428 | } |
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429 | |||
430 | 6510 | fdiaz | int tileSizeY = TileCacheLibrary.DEFAULT_TILEHEIGHT;
|
431 | 6511 | fdiaz | if(tileStructProvider!=null && tileStructProvider.getRowsPerTile()!=0){ |
432 | tileSizeY = tileStructProvider.getRowsPerTile(); |
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433 | } |
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434 | 6509 | fdiaz | |
435 | File file = new File(folder, "tileCacheStruct.xml"); |
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436 | |||
437 | if (!file.exists()) {
|
||
438 | Buffer auxBuffer = null; |
||
439 | try {
|
||
440 | DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance(); |
||
441 | DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
|
||
442 | |||
443 | // root elements
|
||
444 | Document doc = (Document) docBuilder.newDocument(); |
||
445 | Element rootElement = doc.createElement("TileCacheStruct"); |
||
446 | doc.appendChild(rootElement); |
||
447 | |||
448 | // tileSize
|
||
449 | Element tileSize = doc.createElement("tileSize"); |
||
450 | rootElement.appendChild(tileSize); |
||
451 | |||
452 | // tileSize Rows
|
||
453 | Attr rows = doc.createAttribute("rows");
|
||
454 | rows.setValue(String.valueOf(tileSizeY));
|
||
455 | tileSize.setAttributeNode(rows); |
||
456 | |||
457 | // tileSize Columns
|
||
458 | Attr columns = doc.createAttribute("columns");
|
||
459 | columns.setValue(String.valueOf(tileSizeX));
|
||
460 | tileSize.setAttributeNode(columns); |
||
461 | |||
462 | // format
|
||
463 | Element format = doc.createElement("format"); |
||
464 | 6511 | fdiaz | if(tileStructProvider==null || StringUtils.isEmpty(tileStructProvider.getProviderName())){ |
465 | format.setTextContent("GTiff");
|
||
466 | } |
||
467 | 6509 | fdiaz | rootElement.appendChild(format); |
468 | |||
469 | // structExtent
|
||
470 | Element structExtent = doc.createElement("structExtent"); |
||
471 | rootElement.appendChild(structExtent); |
||
472 | |||
473 | Envelope envelope = (Envelope) innerProvider.getDynValue(DataStore.METADATA_ENVELOPE); |
||
474 | |||
475 | // structExtent minX
|
||
476 | Element minX = doc.createElement("minX"); |
||
477 | minX.setTextContent(String.valueOf(envelope.getMinimum(DIMENSIONS.X)));
|
||
478 | structExtent.appendChild(minX); |
||
479 | |||
480 | // structExtent minY
|
||
481 | Element minY = doc.createElement("minY"); |
||
482 | minY.setTextContent(String.valueOf(envelope.getMinimum(DIMENSIONS.Y)));
|
||
483 | structExtent.appendChild(minY); |
||
484 | |||
485 | // structExtent maxX
|
||
486 | Element maxX = doc.createElement("maxX"); |
||
487 | maxX.setTextContent(String.valueOf(envelope.getMaximum(DIMENSIONS.X)));
|
||
488 | structExtent.appendChild(maxX); |
||
489 | |||
490 | // structExtent maxY
|
||
491 | Element maxY = doc.createElement("maxY"); |
||
492 | maxY.setTextContent(String.valueOf(envelope.getMaximum(DIMENSIONS.Y)));
|
||
493 | structExtent.appendChild(maxY); |
||
494 | |||
495 | Element levels = doc.createElement("levels"); |
||
496 | rootElement.appendChild(levels); |
||
497 | |||
498 | 6511 | fdiaz | List<Double> pixelSizes = new ArrayList<Double>(); |
499 | Map<Integer, Double> zoomLevels = new HashMap<Integer, Double>(); |
||
500 | 6509 | fdiaz | |
501 | 6511 | fdiaz | if (tileStructProvider==null || tileStructProvider.getPixelSizePerZoomLevel() == null) { |
502 | // FIXME: ?alguna otra forma de obtener el pixelSize del store completo?
|
||
503 | auxBuffer = innerProvider.createBuffer(null);
|
||
504 | int completeRows = auxBuffer.getRows();
|
||
505 | int completeColumns = auxBuffer.getColumns();
|
||
506 | double completePixelSizeX = auxBuffer.getPixelSizeX();
|
||
507 | double completePixelSizeY = auxBuffer.getPixelSizeY();
|
||
508 | 6509 | fdiaz | |
509 | 6511 | fdiaz | int maximumLength = completeColumns;
|
510 | int tileMaximumLength = tileSizeX;
|
||
511 | double maximumPixelSize = completePixelSizeX;
|
||
512 | 6509 | fdiaz | |
513 | 6511 | fdiaz | if (completeRows * tileSizeY > completeColumns * tileSizeX) {
|
514 | maximumLength = completeRows; |
||
515 | tileMaximumLength = tileSizeY; |
||
516 | maximumPixelSize = completePixelSizeY; |
||
517 | } |
||
518 | 6509 | fdiaz | |
519 | 6511 | fdiaz | double pixelSize = maximumPixelSize;
|
520 | while (maximumLength * maximumPixelSize / pixelSize > tileMaximumLength) {
|
||
521 | pixelSizes.add(pixelSize); |
||
522 | pixelSize = pixelSize * 2;
|
||
523 | } |
||
524 | 6509 | fdiaz | pixelSizes.add(pixelSize); |
525 | 6511 | fdiaz | int i = 0; |
526 | for (int zoomLevel = pixelSizes.size() - 1; zoomLevel >= 0; zoomLevel--) { |
||
527 | zoomLevels.put(i, pixelSizes.get(zoomLevel)); |
||
528 | appendZoomLevel(doc, levels, i, pixelSizes.get(zoomLevel)); |
||
529 | i++; |
||
530 | } |
||
531 | } else {
|
||
532 | zoomLevels = tileStructProvider.getPixelSizePerZoomLevel(); |
||
533 | 6509 | fdiaz | } |
534 | |||
535 | 6511 | fdiaz | for (Entry<Integer, Double> entry : zoomLevels.entrySet()) { |
536 | appendZoomLevel(doc, levels, entry.getKey(), entry.getValue()); |
||
537 | 6509 | fdiaz | } |
538 | |||
539 | // write the content into xml file
|
||
540 | |||
541 | DOMSource source = new DOMSource(doc); |
||
542 | File parent = file.getParentFile();
|
||
543 | if (!parent.exists()) {
|
||
544 | parent.mkdirs(); |
||
545 | } |
||
546 | file.createNewFile(); |
||
547 | StreamResult result = new StreamResult(file.toURI().getPath()); |
||
548 | |||
549 | TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
||
550 | Transformer transformer = transformerFactory.newTransformer();
|
||
551 | transformer.setOutputProperty(OutputKeys.INDENT, "yes"); |
||
552 | transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); |
||
553 | transformer.transform(source, result); |
||
554 | |||
555 | } catch (ParserConfigurationException | TransformerException | IOException | BufferException e) { |
||
556 | logger.warn("Can't create tileCacheStruct.xml file", e);
|
||
557 | } finally {
|
||
558 | DisposeUtils.dispose(auxBuffer); |
||
559 | auxBuffer = null;
|
||
560 | } |
||
561 | 6502 | fdiaz | } |
562 | } |
||
563 | |||
564 | 6509 | fdiaz | /**
|
565 | * @param doc
|
||
566 | * @param rootElement
|
||
567 | * @param levels
|
||
568 | * @param zoomLevel
|
||
569 | * @param pixelSize
|
||
570 | */
|
||
571 | private void appendZoomLevel(Document doc, Element levels, int zoomLevel, double pixelSize) { |
||
572 | Element level = doc.createElement("level"); |
||
573 | levels.appendChild(level); |
||
574 | |||
575 | // level zoomLevel
|
||
576 | Attr index = doc.createAttribute("index");
|
||
577 | index.setValue(String.valueOf(zoomLevel));
|
||
578 | level.setAttributeNode(index); |
||
579 | |||
580 | // level pixelSize
|
||
581 | Attr pxSize = doc.createAttribute("pixelSize");
|
||
582 | pxSize.setValue(String.valueOf(pixelSize));
|
||
583 | level.setAttributeNode(pxSize); |
||
584 | } |
||
585 | |||
586 | 6516 | fdiaz | /* (non-Javadoc)
|
587 | * @see org.gvsig.raster.tilecache.provider.ITileStructImage#getTileStruct()
|
||
588 | */
|
||
589 | @Override
|
||
590 | 6509 | fdiaz | public TileStruct getTileStruct() {
|
591 | if(this.tileStruct==null){ |
||
592 | this.tileStruct = new DefaultTileStruct(); |
||
593 | } |
||
594 | return this.tileStruct; |
||
595 | } |
||
596 | 6518 | fdiaz | |
597 | public void forgetCache() { |
||
598 | super.forgetCache();
|
||
599 | if(tilesFolder.exists() && tilesFolder.isDirectory()){
|
||
600 | File[] files = tilesFolder.listFiles(); |
||
601 | for(int i=0; i<files.length; i++){ |
||
602 | try {
|
||
603 | FileUtils.forceDelete(files[i]); |
||
604 | } catch (IOException e) { |
||
605 | logger.warn("Can't delete the file "+files[i].getAbsolutePath(), e);
|
||
606 | } |
||
607 | } |
||
608 | } |
||
609 | } |
||
610 | 6340 | dmartinezizquierdo | } |