svn-gvsig-desktop / trunk / libraries / libCacheService / src / org / gvsig / cacheservice / CacheService.java @ 18218
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| 1 | 14910 | rgaitan | package org.gvsig.cacheservice; |
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| 2 | 14896 | rgaitan | |
| 3 | import java.awt.Dimension; |
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| 4 | import java.awt.Point; |
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| 5 | import java.awt.geom.Rectangle2D; |
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| 6 | import java.io.File; |
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| 7 | /**
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| 8 | 14926 | salva | *
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| 9 | 14910 | rgaitan | * @author Rafael Gait�n <rgaitan@dsic.upv.es>, modified code from cq RasterCache of Luis W. Sevilla.
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| 10 | 14896 | rgaitan | *
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| 11 | */
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| 12 | public abstract class CacheService { |
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| 13 | 14926 | salva | |
| 14 | 14896 | rgaitan | /**
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| 15 | * Tipo planetario. Las coordenadas son Lat/Lon
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| 16 | */
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| 17 | public static int SPHERIC = 0x10; |
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| 18 | /**
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| 19 | 14910 | rgaitan | * Tipo plano (UTM). Las coordenadas son m�tricas.
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| 20 | 14896 | rgaitan | */
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| 21 | public static int PLANE = 0x20; |
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| 22 | /**
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| 23 | 14910 | rgaitan | * el cach� se realiza en funci�n del tama�o del fichero,
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| 24 | 14896 | rgaitan | * con los tiles relativos a su coordenada 0,0.
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| 25 | */
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| 26 | public static int LOCAL = 0x100; |
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| 27 | /**
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| 28 | 14910 | rgaitan | * el cach� se realiza con parametros globales, de manera que
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| 29 | 14896 | rgaitan | * el tileado es con respecto a una rejilla de referencia, y no
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| 30 | * calculado especialmente para ese raster.
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| 31 | */
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| 32 | public static int GLOBAL = 0x200; |
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| 33 | 14926 | salva | |
| 34 | 14896 | rgaitan | public static final Rectangle2D sphericGlobalBounds = |
| 35 | new Rectangle2D.Double(-180,-90,360,180); |
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| 36 | public static final Rectangle2D planeGlobalBounds = |
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| 37 | 14926 | salva | new Rectangle2D.Double(-20000000,-10000000,40000000,20000000); |
| 38 | |||
| 39 | 14896 | rgaitan | public static int TILEID_TYPE_GOOGLE = 0x01; |
| 40 | public static int TILEID_TYPE_OSGPLANET = 0x02; |
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| 41 | public static int TILEID_TYPE_VIRTUALEARTH = 0x03; |
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| 42 | 14926 | salva | |
| 43 | 14896 | rgaitan | private String _name = ""; |
| 44 | private String _planet = ""; |
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| 45 | |||
| 46 | private int _cacheType = GLOBAL | SPHERIC; |
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| 47 | private int _tileIdType = TILEID_TYPE_OSGPLANET; |
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| 48 | private String _cacheRootDir = "/data/cache"; |
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| 49 | private String _cacheDir = null; |
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| 50 | private int _tileSize = 256; |
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| 51 | |||
| 52 | 14926 | salva | |
| 53 | 14896 | rgaitan | private boolean _withHashDirs = false; |
| 54 | private int _hashDirsNumber = 100; |
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| 55 | 14926 | salva | |
| 56 | 14896 | rgaitan | private int _minLevel = 0; |
| 57 | private int _maxLevel = 20; |
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| 58 | 14926 | salva | |
| 59 | 14896 | rgaitan | private Rectangle2D _bounds; |
| 60 | 14926 | salva | |
| 61 | 14896 | rgaitan | private Rectangle2D _fullExtent = sphericGlobalBounds; |
| 62 | 14926 | salva | |
| 63 | 14896 | rgaitan | /**
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| 64 | * @param planet
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| 65 | * @param name
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| 66 | * @param server
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| 67 | */
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| 68 | public CacheService(String planet, String name) { |
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| 69 | super();
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| 70 | this._name = name;
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| 71 | this._planet = planet;
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| 72 | setBounds(sphericGlobalBounds); |
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| 73 | } |
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| 74 | |||
| 75 | 14926 | salva | |
| 76 | 14896 | rgaitan | /**
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| 77 | 14910 | rgaitan | * Devuelve el tama�o de Tile como Dimension;
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| 78 | 14896 | rgaitan | * @return
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| 79 | 14926 | salva | */
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| 80 | 14896 | rgaitan | public Dimension computeSz() { |
| 81 | return new Dimension(getTileSize(),getTileSize()); |
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| 82 | } |
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| 83 | |||
| 84 | public Dimension getFullSize(int level) { |
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| 85 | int w = getTileSize() * (int)Math.pow(2,level); |
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| 86 | return new Dimension(w, w/2); |
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| 87 | } |
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| 88 | 14926 | salva | |
| 89 | 14896 | rgaitan | /**
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| 90 | * Devuelve el numero de Tiles (ancho y alto) para ese nivel.
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| 91 | * @param level
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| 92 | * @return
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| 93 | */
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| 94 | public Dimension getLevelSize(int level) { |
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| 95 | int w = (int)Math.pow(2,level); |
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| 96 | return new Dimension(w, w/2); |
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| 97 | } |
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| 98 | 14926 | salva | |
| 99 | 14896 | rgaitan | public boolean isFileInCache(String fName) { |
| 100 | File cacheFile = new File(fName); |
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| 101 | return cacheFile.exists();
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| 102 | } |
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| 103 | 14926 | salva | |
| 104 | |||
| 105 | 14896 | rgaitan | public void setCacheDir(String dir) { |
| 106 | _cacheDir = dir; |
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| 107 | } |
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| 108 | public String getCacheDir() { |
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| 109 | File file;
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| 110 | if (_cacheDir == null) { |
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| 111 | // Compruebo si existe el directorio del planeta
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| 112 | _cacheDir = getCacheRootDir()+"/"+getPlanet()+"/"; |
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| 113 | file = new File(_cacheDir); |
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| 114 | if (!file.exists()) file.mkdir();
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| 115 | // Compruebo si existe el directorio del servidor
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| 116 | _cacheDir += getName()+"/";
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| 117 | } |
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| 118 | file = new File(_cacheDir); |
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| 119 | if (!file.exists()) file.mkdirs();
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| 120 | return _cacheDir;
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| 121 | } |
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| 122 | 14926 | salva | |
| 123 | 14896 | rgaitan | /**
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| 124 | * @return Returns the cacheRootDir.
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| 125 | */
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| 126 | public String getCacheRootDir() { |
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| 127 | return _cacheRootDir;
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| 128 | } |
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| 129 | /**
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| 130 | * @param cacheRootDir The cacheRootDir to set.
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| 131 | */
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| 132 | public void setCacheRootDir(String cacheRootDir) { |
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| 133 | _cacheRootDir = cacheRootDir; |
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| 134 | } |
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| 135 | |||
| 136 | /**
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| 137 | * @return Returns the name.
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| 138 | */
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| 139 | public String getName() { |
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| 140 | return _name;
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| 141 | } |
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| 142 | /**
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| 143 | * @param name The name to set.
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| 144 | */
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| 145 | public void setName(String name) { |
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| 146 | _name = name; |
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| 147 | } |
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| 148 | /**
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| 149 | * @return Returns the planet.
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| 150 | */
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| 151 | public String getPlanet() { |
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| 152 | return _planet;
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| 153 | } |
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| 154 | /**
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| 155 | * @param planet The planet to set.
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| 156 | */
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| 157 | public void setPlanet(String planet) { |
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| 158 | _planet = planet; |
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| 159 | } |
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| 160 | /**
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| 161 | * @return Returns the tileSize.
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| 162 | */
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| 163 | public int getTileSize() { |
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| 164 | return _tileSize;
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| 165 | } |
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| 166 | /**
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| 167 | * @param tileSize The tileSize to set.
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| 168 | */
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| 169 | public void setTileSize(int tileSize) { |
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| 170 | _tileSize = tileSize; |
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| 171 | } |
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| 172 | /**
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| 173 | * @return Returns the tileIdType.
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| 174 | */
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| 175 | public int getTileIdType() { |
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| 176 | return _tileIdType;
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| 177 | } |
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| 178 | /**
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| 179 | * @param tileIdType The tileIdType to set.
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| 180 | */
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| 181 | public void setTileIdType(int tileIdType) { |
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| 182 | _tileIdType = tileIdType; |
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| 183 | } |
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| 184 | /**
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| 185 | * @return Returns the maxLevel.
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| 186 | */
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| 187 | public int getMaxLevel() { |
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| 188 | return _maxLevel;
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| 189 | } |
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| 190 | /**
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| 191 | * @param maxLevel The maxLevel to set.
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| 192 | */
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| 193 | public void setMaxLevel(int maxLevel) { |
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| 194 | _maxLevel = maxLevel; |
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| 195 | } |
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| 196 | /**
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| 197 | * @return Returns the minLevel.
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| 198 | */
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| 199 | public int getMinLevel() { |
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| 200 | return _minLevel;
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| 201 | } |
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| 202 | /**
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| 203 | * @param minLevel The minLevel to set.
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| 204 | */
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| 205 | public void setMinLevel(int minLevel) { |
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| 206 | _minLevel = minLevel; |
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| 207 | } |
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| 208 | /**
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| 209 | * @return Returns the bounds.
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| 210 | */
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| 211 | public Rectangle2D getBounds() { |
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| 212 | return _bounds;
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| 213 | } |
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| 214 | |||
| 215 | public void setBounds(Rectangle2D r) { |
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| 216 | _bounds = r; |
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| 217 | } |
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| 218 | /**
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| 219 | * @return Returns the cacheType.
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| 220 | */
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| 221 | public int getCacheType() { |
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| 222 | return _cacheType;
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| 223 | } |
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| 224 | /**
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| 225 | * @param cacheType The cacheType to set.
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| 226 | */
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| 227 | public void setCacheType(int cacheType) { |
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| 228 | _cacheType = cacheType; |
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| 229 | if ((cacheType & GLOBAL) == GLOBAL)
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| 230 | if ((cacheType & PLANE) == PLANE)
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| 231 | setFullExtent(planeGlobalBounds); |
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| 232 | else if ((cacheType & SPHERIC) == SPHERIC) |
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| 233 | setFullExtent(sphericGlobalBounds); |
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| 234 | } |
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| 235 | /**
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| 236 | * @return Returns the fullExtent.
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| 237 | */
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| 238 | public Rectangle2D getFullExtent() { |
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| 239 | return _fullExtent;
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| 240 | } |
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| 241 | /**
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| 242 | * @param fullExtent The fullExtent to set.
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| 243 | */
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| 244 | public void setFullExtent(Rectangle2D fullExtent) { |
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| 245 | _fullExtent = fullExtent; |
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| 246 | } |
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| 247 | /**
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| 248 | * Gets Number of Hash Directories. 100 by default.
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| 249 | * @return Returns the hashDirsOrder.
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| 250 | */
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| 251 | public int getHashDirsNumber() { |
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| 252 | return _hashDirsNumber;
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| 253 | } |
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| 254 | /**
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| 255 | * Sets Number of Hash Directories.
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| 256 | * @param hashDirsOrder The hashDirsOrder to set.
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| 257 | */
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| 258 | public void setHashDirsNumber(int hashDirsNumber) { |
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| 259 | _hashDirsNumber = hashDirsNumber; |
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| 260 | } |
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| 261 | /**
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| 262 | * returns if this cache has HashDirectories. False by difault.
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| 263 | * @return Returns the withHashDirs.
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| 264 | */
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| 265 | public boolean isWithHashDirs() { |
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| 266 | return _withHashDirs;
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| 267 | } |
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| 268 | /**
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| 269 | * sets wheter this cache has HashDirectories or no.
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| 270 | * @param withHashDirs The withHashDirs to set.
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| 271 | */
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| 272 | public void setWithHashDirs(boolean withHashDirs) { |
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| 273 | _withHashDirs = withHashDirs; |
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| 274 | } |
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| 275 | /**
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| 276 | * Compute HashDirNumbre from tileNumber.
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| 277 | * @param num tileNumber (without level).
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| 278 | * @return
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| 279 | */
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| 280 | public String getHashDir(Point num) { |
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| 281 | String hd = null; |
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| 282 | hd = ""+(num.x % _hashDirsNumber);
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| 283 | return hd;
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| 284 | } |
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| 285 | } |