Source Code Cross Referenced for KeyRegistry.java in  » GIS » openjump » org » geotiff » image » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » openjump » org.geotiff.image 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        package org.geotiff.image;
02:
03:        import java.util.Properties;
04:        import java.util.HashMap;
05:        import java.util.Map;
06:        import java.util.Set;
07:        import java.util.Iterator;
08:        import java.io.InputStream;
09:        import java.io.IOException;
10:
11:        /**
12:         * The KeyRegistry provides the global registry for all
13:         * sets of KeyMaps. All methods are static.
14:         */
15:        public class KeyRegistry {
16:
17:            private static HashMap keyMaps = new HashMap();
18:            public static String GEOKEY = "geokey";
19:            public static String GEO_CTRANS = "ProjCoordTransGeoKey";
20:            public static String EPSG_PCS = "ProjectedCSTypeGeoKey";
21:            public static String EPSG_DATUM = "GeogGeodeticDatumGeoKey";
22:            public static String EPSG_ELLIPSE = "GeogEllipsoidGeoKey";
23:            public static String EPSG_GCS = "GeogGeographicTypeGeoKey";
24:            public static String EPSG_PM = "GeogPrimeMeridianGeoKey";
25:            public static String EPSG_PROJ = "ProjectionGeoKey";
26:            public static String EPSG_VERTCS = "VerticalCSTypeGeoKey";
27:
28:            public static String UNIT_GEOG = "GeogLinearUnitsGeoKey";
29:            public static String UNIT_PROJ = "ProjLinearUnitsGeoKey";
30:            public static String UNIT_VERTCS = "VerticalUnitsGeoKey";
31:
32:            public static KeyRegistry instance = new KeyRegistry();
33:
34:            private KeyRegistry() {
35:                try {
36:                    addKeyMap(EPSG_DATUM,
37:                            "/org/geotiff/epsg/epsg_datum.properties");
38:                    addKeyMap(EPSG_ELLIPSE,
39:                            "/org/geotiff/epsg/epsg_ellipse.properties");
40:                    addKeyMap(EPSG_GCS, "/org/geotiff/epsg/epsg_gcs.properties");
41:                    addKeyMap(EPSG_PCS, "/org/geotiff/epsg/epsg_pcs.properties");
42:                    addKeyMap(EPSG_PM, "/org/geotiff/epsg/epsg_pm.properties");
43:                    addKeyMap(EPSG_PROJ,
44:                            "/org/geotiff/epsg/epsg_proj.properties");
45:                    addKeyMap(EPSG_VERTCS,
46:                            "/org/geotiff/epsg/epsg_vertcs.properties");
47:                    addKeyMap(GEO_CTRANS,
48:                            "/org/geotiff/image/geo_ctrans.properties");
49:                    addKeyMap(GEOKEY, "/org/geotiff/image/geokey.properties");
50:
51:                    //A number of Keys use epsg units, so we share them
52:                    addKeyMap(UNIT_GEOG,
53:                            "/org/geotiff/epsg/epsg_unit.properties");
54:                    KeyMap units = getKeyMap(UNIT_GEOG);
55:                    addKeyMap(UNIT_PROJ, units);
56:                    addKeyMap(UNIT_VERTCS, units);
57:                } catch (IOException e) {
58:                    // do nothing
59:                }
60:            }
61:
62:            public static KeyRegistry getKeyRegistry() {
63:                return instance;
64:            }
65:
66:            public static void addKeyMap(String name, KeyMap map)
67:                    throws IOException {
68:                keyMaps.put(name, map);
69:            }
70:
71:            public static void addKeyMap(String name, String resource)
72:                    throws IOException {
73:                addKeyMap(name, new KeyMap(resource));
74:            }
75:
76:            public static KeyMap getKeyMap(String name) {
77:                Object map = keyMaps.get(name);
78:                return (KeyMap) map;
79:            }
80:
81:            public static int getCode(String map, String key) {
82:                KeyMap keyMap = getKeyMap(map);
83:                if (keyMap == null)
84:                    return -1;
85:                return keyMap.getCode(key);
86:            }
87:
88:            public static String getKey(String map, int code) {
89:                KeyMap keyMap = getKeyMap(map);
90:                if (keyMap == null)
91:                    return null;
92:                return keyMap.getKey(code);
93:            }
94:        }
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