gvsig-raster / org.gvsig.raster.tilecache / trunk / org.gvsig.raster.tilecache / org.gvsig.raster.tilecache.io / src / main / java / org / gvsig / raster / tilecache / io / tff / TileFileFormatProvider.java @ 2477
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1 | 2477 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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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 | * as published by the Free Software Foundation; either version 2
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9 | * 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 | */
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22 | package org.gvsig.raster.tilecache.io.tff; |
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23 | |||
24 | import java.awt.geom.Point2D; |
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25 | |||
26 | import org.gvsig.fmap.dal.DALFileLocator; |
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27 | import org.gvsig.fmap.dal.DALLocator; |
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28 | import org.gvsig.fmap.dal.DataStore; |
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29 | import org.gvsig.fmap.dal.coverage.RasterLocator; |
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30 | import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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31 | import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
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32 | import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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33 | import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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34 | import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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35 | import org.gvsig.fmap.dal.coverage.exception.ParsingException; |
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36 | import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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37 | import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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38 | import org.gvsig.fmap.dal.exception.InitializeException; |
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39 | import org.gvsig.fmap.dal.exception.OpenException; |
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40 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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41 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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42 | import org.gvsig.metadata.MetadataLocator; |
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43 | import org.gvsig.raster.cache.tile.Tile; |
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44 | import org.gvsig.raster.cache.tile.exception.TileGettingException; |
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45 | import org.gvsig.raster.cache.tile.provider.TileServer; |
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46 | import org.gvsig.raster.impl.buffer.SpiRasterQuery; |
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47 | import org.gvsig.raster.impl.provider.AbstractRasterProvider; |
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48 | import org.gvsig.raster.impl.provider.RasterProvider; |
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49 | import org.gvsig.raster.impl.provider.TiledRasterProvider; |
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50 | import org.gvsig.raster.impl.store.DefaultStoreFactory; |
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51 | import org.gvsig.tools.ToolsLocator; |
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52 | import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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53 | import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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54 | import org.slf4j.Logger; |
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55 | import org.slf4j.LoggerFactory; |
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56 | |||
57 | /**
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58 | * Provider for <code>TileFileFormat</code>
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59 | *
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60 | * @author Nacho Brodin (nachobrodin@gmail.com)
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61 | */
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62 | public class TileFileFormatProvider extends AbstractRasterProvider implements TiledRasterProvider { |
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63 | public static String NAME = "TileFileFormat Store"; |
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64 | public static String DESCRIPTION = "Tile file format Source"; |
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65 | public static final String METADATA_DEFINITION_NAME = "TileFileFormatStore"; |
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66 | private static final Logger logger = LoggerFactory.getLogger(TileFileFormatProvider.class); |
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67 | protected static String[] formatList = null; |
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68 | private boolean open = false; |
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69 | |||
70 | public static void register() { |
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71 | ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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72 | registerFormats(); |
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73 | |||
74 | ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");
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75 | point.append("reader", TileFileFormatProvider.NAME, TileFileFormatProvider.class);
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76 | |||
77 | DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
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78 | if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
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79 | dataman.registerStoreProvider(NAME, |
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80 | TileFileFormatProvider.class, TileFileFormatDataParameters.class); |
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81 | } |
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82 | |||
83 | if(DALFileLocator.getFilesystemServerExplorerManager() != null) |
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84 | DALFileLocator.getFilesystemServerExplorerManager().registerProvider( |
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85 | NAME, DESCRIPTION, |
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86 | TileFileFormatFilesystemServerExplorer.class); |
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87 | |||
88 | dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
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89 | } |
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90 | |||
91 | private static void registerFormats() { |
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92 | formatList = new String[] {"tff"}; |
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93 | for (int i = 0; i < formatList.length; i++) |
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94 | RasterLocator.getManager().getProviderServices().addFormat(formatList[i], TileFileFormatProvider.class); |
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95 | } |
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96 | |||
97 | public String[] getFormatList() { |
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98 | return formatList;
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99 | } |
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100 | |||
101 | public boolean isExtensionSupported(String ext) { |
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102 | if(ext.indexOf(".") != -1) |
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103 | ext = ext.substring(ext.lastIndexOf(".") + 1, ext.length()); |
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104 | for (int i = 0; i < formatList.length; i++) { |
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105 | if(formatList[i].compareTo(ext) == 0) |
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106 | return true; |
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107 | } |
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108 | return false; |
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109 | } |
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110 | |||
111 | public TileFileFormatProvider() throws NotSupportedExtensionException { |
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112 | super();
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113 | } |
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114 | |||
115 | public TileFileFormatProvider(TileFileFormatDataParameters params,
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116 | DataStoreProviderServices storeServices) throws InitializeException {
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117 | super(params, storeServices, ToolsLocator.getDynObjectManager()
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118 | .createDynObject( |
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119 | MetadataLocator.getMetadataManager().getDefinition( |
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120 | DataStore.METADATA_DEFINITION_NAME))); |
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121 | try {
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122 | init(params, storeServices); |
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123 | } catch (OpenException e) {
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124 | throw new InitializeException("Error open the source", e); |
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125 | } catch (NotSupportedExtensionException e) {
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126 | throw new InitializeException("Not supported extension", e); |
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127 | } |
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128 | } |
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129 | |||
130 | /**
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131 | * Build file references
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132 | * @param proj Projection
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133 | * @param param Load parameters
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134 | * @throws NotSupportedExtensionException
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135 | */
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136 | public void init(TileFileFormatDataParameters params, |
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137 | DataStoreProviderServices storeServices) throws NotSupportedExtensionException, OpenException {
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138 | |||
139 | openFromTff(); |
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140 | |||
141 | uri = getParameters().getURI(); |
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142 | |||
143 | super.init();
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144 | |||
145 | try {
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146 | loadFromRmf(getRmfBlocksManager()); |
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147 | } catch (ParsingException e) {
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148 | logger.debug("Problems reading from RMF", e);
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149 | } |
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150 | |||
151 | open = true;
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152 | } |
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153 | |||
154 | /**
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155 | * Open from a .mff file.
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156 | * This method loads all providers and adds these to the parameters
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157 | * @throws OpenException
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158 | */
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159 | private void openFromTff() throws OpenException { |
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160 | |||
161 | } |
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162 | |||
163 | public TileFileFormatDataParameters getParameters() {
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164 | try {
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165 | return (TileFileFormatDataParameters)parameters;
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166 | } catch (ClassCastException e) { |
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167 | return null; |
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168 | } |
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169 | } |
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170 | |||
171 | @Override
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172 | public int getBlockSize() { |
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173 | return 0; |
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174 | } |
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175 | |||
176 | @Override
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177 | public Object getData(int x, int y, int band) |
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178 | throws InvalidSetViewException, FileNotOpenException,
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179 | RasterDriverException { |
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180 | return null; |
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181 | } |
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182 | |||
183 | @Override
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184 | public double getHeight() { |
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185 | return 0; |
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186 | } |
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187 | |||
188 | @Override
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189 | public int getOverviewHeight(int band, int overview) |
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190 | throws BandAccessException, RasterDriverException {
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191 | return 0; |
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192 | } |
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193 | |||
194 | @Override
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195 | public int getOverviewWidth(int band, int overview) |
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196 | throws BandAccessException, RasterDriverException {
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197 | return 0; |
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198 | } |
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199 | |||
200 | @Override
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201 | public Extent getView() {
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202 | return null; |
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203 | } |
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204 | |||
205 | @Override
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206 | public double getWidth() { |
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207 | return 0; |
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208 | } |
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209 | |||
210 | @Override
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211 | public boolean isOverviewsSupported() { |
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212 | return false; |
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213 | } |
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214 | |||
215 | @Override
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216 | public RasterProvider load() {
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217 | return null; |
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218 | } |
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219 | |||
220 | @Override
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221 | public void setView(Extent e) { |
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222 | |||
223 | } |
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224 | |||
225 | public Extent getCoordsInLevel(Point2D viewCenter, int level, int w, int h) { |
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226 | return null; |
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227 | } |
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228 | |||
229 | public Extent getCoordsInTheNearestLevel(Extent extent, int w, int h) { |
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230 | return null; |
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231 | } |
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232 | |||
233 | public RasterProvider getInternalProvider() {
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234 | return null; |
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235 | } |
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236 | |||
237 | public int getNearestLevel(double pixelSize) { |
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238 | return 0; |
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239 | } |
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240 | |||
241 | public Tile getTile(SpiRasterQuery q) throws TileGettingException { |
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242 | return null; |
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243 | } |
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244 | |||
245 | public int getZoomLevels() { |
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246 | return 0; |
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247 | } |
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248 | |||
249 | public int getOverviewCount(int band) throws BandAccessException, |
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250 | RasterDriverException { |
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251 | return 0; |
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252 | } |
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253 | |||
254 | public TileServer getTileServer() {
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255 | return null; |
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256 | } |
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257 | |||
258 | public boolean isOpen() { |
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259 | return open;
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260 | } |
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261 | |||
262 | public Object readBlock(int pos, int blockHeight, double scale) |
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263 | throws InvalidSetViewException, FileNotOpenException,
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264 | RasterDriverException, ProcessInterruptedException { |
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265 | return null; |
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266 | } |
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267 | |||
268 | public void setStatus(RasterProvider provider) { |
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269 | |||
270 | } |
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271 | |||
272 | public String getName() { |
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273 | return null; |
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274 | } |
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275 | |||
276 | @Override
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277 | public void loadBuffer(SpiRasterQuery query) |
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278 | throws ProcessInterruptedException, RasterDriverException {
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279 | // TODO Auto-generated method stub
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280 | |||
281 | } |
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282 | |||
283 | } |