svn-gvsig-desktop / trunk / libraries / libFMap_data / src / org / gvsig / data / DataManager.java @ 20851
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| 1 | 19399 | vcaballero | package org.gvsig.data; |
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| 2 | |||
| 3 | import java.util.ArrayList; |
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| 4 | import java.util.Iterator; |
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| 5 | |||
| 6 | 19442 | vcaballero | import org.gvsig.data.exception.InitializeException; |
| 7 | 19399 | vcaballero | |
| 8 | 19908 | vcaballero | public class DataManager { |
| 9 | 19399 | vcaballero | private static ArrayList registers = new ArrayList(); |
| 10 | |||
| 11 | 19908 | vcaballero | private static DataManager manager = null; |
| 12 | 19399 | vcaballero | |
| 13 | 19908 | vcaballero | public static DataManager getManager() { |
| 14 | 19399 | vcaballero | if( manager == null ) { |
| 15 | 19908 | vcaballero | manager = new DataManager();
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| 16 | 19399 | vcaballero | } |
| 17 | return manager;
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| 18 | } |
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| 19 | |||
| 20 | public static ResourceManager getResourceManager() { |
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| 21 | return ResourceManager.getResourceManager();
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| 22 | } |
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| 23 | |||
| 24 | 19908 | vcaballero | public DataManager() {
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| 25 | 19399 | vcaballero | // org.gvsig.data.datastores.vectorial.driver.shp.Register.selfRegister();
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| 26 | // org.gvsig.data.datastores.vectorial.driver.Register.selfRegister();
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| 27 | |||
| 28 | // org.gvsig.data.datastores.gml.Register.selfRegister();
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| 29 | } |
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| 30 | |||
| 31 | public void registerGeometryHandler(String dataStoreID, Class geometryHandlerClass) { |
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| 32 | |||
| 33 | } |
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| 34 | |||
| 35 | public void registerDataStore(String name, Class dataStoreClass, Class parametersClass) { |
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| 36 | RegisterInfo register=new RegisterInfo(name,dataStoreClass,parametersClass);
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| 37 | 19616 | jmvivo | if (registers.contains(register)){
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| 38 | return;
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| 39 | } |
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| 40 | 19399 | vcaballero | registers.add(register); |
| 41 | } |
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| 42 | /**
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| 43 | * Levanta una instancia de los parametros solicitados
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| 44 | * inicializa el nombre en la instancia
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| 45 | * y la devuelve.
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| 46 | **/
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| 47 | public IDataStoreParameters createDataStoreParameters(String name){ |
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| 48 | Iterator iterator=registers.iterator();
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| 49 | while (iterator.hasNext()) {
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| 50 | RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
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| 51 | if (name.equals(registerInfo.name)){
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| 52 | try {
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| 53 | return (IDataStoreParameters)registerInfo.parametersClazz.newInstance();
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| 54 | } catch (InstantiationException e) { |
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| 55 | // TODO Auto-generated catch block
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| 56 | e.printStackTrace(); |
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| 57 | } catch (IllegalAccessException e) { |
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| 58 | // TODO Auto-generated catch block
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| 59 | e.printStackTrace(); |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | return null; |
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| 64 | } |
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| 65 | /**
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| 66 | * Levanta la instancia del datasource,
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| 67 | * levanta una instancia del driver que precisa el datasource
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| 68 | * y por ultimo invoca al metodo init del datasource.
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| 69 | 19442 | vcaballero | * @throws InitializeException
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| 70 | 19399 | vcaballero | **/
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| 71 | 19442 | vcaballero | public IDataStore createDataStore(IDataStoreParameters parameters) throws InitializeException { |
| 72 | 19399 | vcaballero | Iterator iterator=registers.iterator();
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| 73 | while (iterator.hasNext()) {
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| 74 | RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
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| 75 | 20088 | jmvivo | if (parameters.getDataStoreName().equals(registerInfo.name)){
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| 76 | 19399 | vcaballero | try {
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| 77 | IDataStore dataStore= (IDataStore)registerInfo.clazz.newInstance(); |
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| 78 | dataStore.init(parameters); |
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| 79 | return dataStore;
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| 80 | } catch (InstantiationException e) { |
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| 81 | // TODO Auto-generated catch block
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| 82 | e.printStackTrace(); |
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| 83 | } catch (IllegalAccessException e) { |
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| 84 | // TODO Auto-generated catch block
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| 85 | e.printStackTrace(); |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | return null; |
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| 90 | } |
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| 91 | |||
| 92 | |||
| 93 | /* Como conjunto de propiedades genericas a un tipo de DataStore
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| 94 | * a las que se puede acceder sin tener que crear un DataStore/Driver.
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| 95 | *
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| 96 | * Por ejemplo para "DriverDataSource.shp" podria tener el
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| 97 | * tamaño de identificador de campo.
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| 98 | *
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| 99 | * En "DriverDataSource.postgres" podria aportar informacion sobre
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| 100 | * las tablas disponibles o cosas asi. Hay que ver que precisa
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| 101 | * GeoDB y de donde lo puede obtener.
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| 102 | *
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| 103 | * Hay que pensarlo bien.
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| 104 | *
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| 105 | */
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| 106 | |||
| 107 | 20084 | jmvivo | public void registerDataExplorer(String name, Class dataSourceClass, Class parametersClass) { |
| 108 | 19399 | vcaballero | RegisterInfo register=new RegisterInfo(name,dataSourceClass,parametersClass);
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| 109 | 19616 | jmvivo | if (registers.contains(register)){
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| 110 | return;
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| 111 | } |
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| 112 | 19399 | vcaballero | registers.add(register); |
| 113 | } |
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| 114 | /**
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| 115 | * Levanta una instancia de los parametros solicitados
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| 116 | * inicializa el nombre en la instancia
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| 117 | * y la devuelve.
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| 118 | **/
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| 119 | 19908 | vcaballero | public IDataExplorerParameters createDataExplorerParameters(String name){ |
| 120 | 19399 | vcaballero | Iterator iterator=registers.iterator();
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| 121 | while (iterator.hasNext()) {
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| 122 | RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
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| 123 | if (name.equals(registerInfo.name)){
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| 124 | try {
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| 125 | 19908 | vcaballero | return (IDataExplorerParameters)registerInfo.parametersClazz.newInstance();
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| 126 | 19399 | vcaballero | } catch (InstantiationException e) { |
| 127 | // TODO Auto-generated catch block
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| 128 | e.printStackTrace(); |
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| 129 | } catch (IllegalAccessException e) { |
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| 130 | // TODO Auto-generated catch block
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| 131 | e.printStackTrace(); |
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| 132 | } |
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| 133 | } |
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| 134 | } |
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| 135 | return null; |
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| 136 | } |
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| 137 | |||
| 138 | 20084 | jmvivo | public IDataExplorer createDataExplorer(IDataExplorerParameters parameters) throws InitializeException { |
| 139 | 19399 | vcaballero | Iterator iterator=registers.iterator();
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| 140 | while (iterator.hasNext()) {
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| 141 | RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
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| 142 | 20088 | jmvivo | if (parameters.getDataExplorerName().equals(registerInfo.name)){
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| 143 | 19399 | vcaballero | try {
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| 144 | 19908 | vcaballero | IDataExplorer dataSource= (IDataExplorer)registerInfo.clazz.newInstance(); |
| 145 | 19399 | vcaballero | dataSource.init(parameters); |
| 146 | return dataSource;
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| 147 | } catch (InstantiationException e) { |
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| 148 | // TODO Auto-generated catch block
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| 149 | e.printStackTrace(); |
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| 150 | } catch (IllegalAccessException e) { |
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| 151 | // TODO Auto-generated catch block
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| 152 | e.printStackTrace(); |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | return null; |
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| 158 | } |
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| 159 | private class RegisterInfo{ |
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| 160 | private String name; |
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| 161 | private Class clazz; |
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| 162 | private Class parametersClazz; |
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| 163 | |||
| 164 | public RegisterInfo(String name, Class dsc, Class pc){ |
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| 165 | this.name=name;
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| 166 | this.clazz=dsc;
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| 167 | this.parametersClazz=pc;
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| 168 | } |
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| 169 | |||
| 170 | 19616 | jmvivo | public boolean equals(Object obj) { |
| 171 | if (obj instanceof RegisterInfo){ |
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| 172 | RegisterInfo ri = (RegisterInfo)obj; |
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| 173 | return ri.name.equals(this.name) && |
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| 174 | ri.clazz.equals(this.clazz) &&
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| 175 | ri.parametersClazz.equals(this.parametersClazz);
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| 176 | } |
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| 177 | return super.equals(obj); |
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| 178 | } |
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| 179 | |||
| 180 | |||
| 181 | |||
| 182 | 19399 | vcaballero | } |
| 183 | |||
| 184 | } |