root / branches / Mobile_Compatible_Hito_1 / libFMap / src-data / org / gvsig / data / DataManager.java @ 21606
History | View | Annotate | Download (5.29 KB)
1 |
package org.gvsig.data; |
---|---|
2 |
|
3 |
import java.util.ArrayList; |
4 |
import java.util.Iterator; |
5 |
|
6 |
import org.gvsig.data.exception.InitializeException; |
7 |
|
8 |
public class DataManager { |
9 |
private static ArrayList registers = new ArrayList(); |
10 |
|
11 |
private static DataManager manager = null; |
12 |
|
13 |
public static DataManager getManager() { |
14 |
if( manager == null ) { |
15 |
manager = new DataManager();
|
16 |
} |
17 |
return manager;
|
18 |
} |
19 |
|
20 |
public static ResourceManager getResourceManager() { |
21 |
return ResourceManager.getResourceManager();
|
22 |
} |
23 |
|
24 |
public DataManager() {
|
25 |
// org.gvsig.data.datastores.vectorial.driver.shp.Register.selfRegister();
|
26 |
// org.gvsig.data.datastores.vectorial.driver.Register.selfRegister();
|
27 |
|
28 |
// org.gvsig.data.datastores.gml.Register.selfRegister();
|
29 |
} |
30 |
|
31 |
public void registerGeometryHandler(String dataStoreID, Class geometryHandlerClass) { |
32 |
|
33 |
} |
34 |
|
35 |
public void registerDataStore(String name, Class dataStoreClass, Class parametersClass) { |
36 |
RegisterInfo register=new RegisterInfo(name,dataStoreClass,parametersClass);
|
37 |
if (registers.contains(register)){
|
38 |
return;
|
39 |
} |
40 |
registers.add(register); |
41 |
} |
42 |
/**
|
43 |
* Levanta una instancia de los parametros solicitados
|
44 |
* inicializa el nombre en la instancia
|
45 |
* y la devuelve.
|
46 |
**/
|
47 |
public IDataStoreParameters createDataStoreParameters(String name){ |
48 |
Iterator iterator=registers.iterator();
|
49 |
while (iterator.hasNext()) {
|
50 |
RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
51 |
if (name.equals(registerInfo.name)){
|
52 |
try {
|
53 |
IDataStoreParameters resp = |
54 |
(IDataStoreParameters)registerInfo.parametersClazz.newInstance(); |
55 |
resp.setDataStoreName(name); |
56 |
return resp;
|
57 |
} catch (InstantiationException e) { |
58 |
// TODO Auto-generated catch block
|
59 |
e.printStackTrace(); |
60 |
} catch (IllegalAccessException e) { |
61 |
// TODO Auto-generated catch block
|
62 |
e.printStackTrace(); |
63 |
} |
64 |
} |
65 |
} |
66 |
return null; |
67 |
} |
68 |
/**
|
69 |
* Levanta la instancia del datasource,
|
70 |
* levanta una instancia del driver que precisa el datasource
|
71 |
* y por ultimo invoca al metodo init del datasource.
|
72 |
* @throws InitializeException
|
73 |
**/
|
74 |
public IDataStore createDataStore(IDataStoreParameters parameters) throws InitializeException { |
75 |
Iterator iterator=registers.iterator();
|
76 |
while (iterator.hasNext()) {
|
77 |
RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
78 |
if (parameters.getDataStoreName().equals(registerInfo.name)){
|
79 |
try {
|
80 |
IDataStore dataStore= (IDataStore)registerInfo.clazz.newInstance(); |
81 |
dataStore.init(parameters); |
82 |
return dataStore;
|
83 |
} catch (InstantiationException e) { |
84 |
// TODO Auto-generated catch block
|
85 |
e.printStackTrace(); |
86 |
} catch (IllegalAccessException e) { |
87 |
// TODO Auto-generated catch block
|
88 |
e.printStackTrace(); |
89 |
} |
90 |
} |
91 |
} |
92 |
return null; |
93 |
} |
94 |
|
95 |
|
96 |
/* Como conjunto de propiedades genericas a un tipo de DataStore
|
97 |
* a las que se puede acceder sin tener que crear un DataStore/Driver.
|
98 |
*
|
99 |
* Por ejemplo para "DriverDataSource.shp" podria tener el
|
100 |
* tamaƱo de identificador de campo.
|
101 |
*
|
102 |
* En "DriverDataSource.postgres" podria aportar informacion sobre
|
103 |
* las tablas disponibles o cosas asi. Hay que ver que precisa
|
104 |
* GeoDB y de donde lo puede obtener.
|
105 |
*
|
106 |
* Hay que pensarlo bien.
|
107 |
*
|
108 |
*/
|
109 |
|
110 |
public void registerDataExplorer(String name, Class dataSourceClass, Class parametersClass) { |
111 |
RegisterInfo register=new RegisterInfo(name,dataSourceClass,parametersClass);
|
112 |
if (registers.contains(register)){
|
113 |
return;
|
114 |
} |
115 |
registers.add(register); |
116 |
} |
117 |
/**
|
118 |
* Levanta una instancia de los parametros solicitados
|
119 |
* inicializa el nombre en la instancia
|
120 |
* y la devuelve.
|
121 |
**/
|
122 |
public IDataExplorerParameters createDataExplorerParameters(String name){ |
123 |
Iterator iterator=registers.iterator();
|
124 |
while (iterator.hasNext()) {
|
125 |
RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
126 |
if (name.equals(registerInfo.name)){
|
127 |
try {
|
128 |
return (IDataExplorerParameters)registerInfo.parametersClazz.newInstance();
|
129 |
} catch (InstantiationException e) { |
130 |
// TODO Auto-generated catch block
|
131 |
e.printStackTrace(); |
132 |
} catch (IllegalAccessException e) { |
133 |
// TODO Auto-generated catch block
|
134 |
e.printStackTrace(); |
135 |
} |
136 |
} |
137 |
} |
138 |
return null; |
139 |
} |
140 |
|
141 |
public IDataExplorer createDataExplorer(IDataExplorerParameters parameters) throws InitializeException { |
142 |
Iterator iterator=registers.iterator();
|
143 |
while (iterator.hasNext()) {
|
144 |
RegisterInfo registerInfo = (RegisterInfo) iterator.next(); |
145 |
if (parameters.getDataExplorerName().equals(registerInfo.name)){
|
146 |
try {
|
147 |
IDataExplorer dataSource= (IDataExplorer)registerInfo.clazz.newInstance(); |
148 |
dataSource.init(parameters); |
149 |
return dataSource;
|
150 |
} catch (InstantiationException e) { |
151 |
// TODO Auto-generated catch block
|
152 |
e.printStackTrace(); |
153 |
} catch (IllegalAccessException e) { |
154 |
// TODO Auto-generated catch block
|
155 |
e.printStackTrace(); |
156 |
} |
157 |
} |
158 |
} |
159 |
|
160 |
return null; |
161 |
} |
162 |
private class RegisterInfo{ |
163 |
private String name; |
164 |
private Class clazz; |
165 |
private Class parametersClazz; |
166 |
|
167 |
public RegisterInfo(String name, Class dsc, Class pc){ |
168 |
this.name=name;
|
169 |
this.clazz=dsc;
|
170 |
this.parametersClazz=pc;
|
171 |
} |
172 |
|
173 |
public boolean equals(Object obj) { |
174 |
if (obj instanceof RegisterInfo){ |
175 |
RegisterInfo ri = (RegisterInfo)obj; |
176 |
return ri.name.equals(this.name) && |
177 |
ri.clazz.equals(this.clazz) &&
|
178 |
ri.parametersClazz.equals(this.parametersClazz);
|
179 |
} |
180 |
return super.equals(obj); |
181 |
} |
182 |
|
183 |
|
184 |
|
185 |
} |
186 |
|
187 |
} |