svn-gvsig-desktop / trunk / libraries / libFMap_dataFile / src / org / gvsig / data / datastores / vectorial / file / dbf / DBFResource.java @ 20660
History | View | Annotate | Download (5.92 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2008 IVER T.I {{Task}}
|
26 |
*/
|
27 |
|
28 |
/**
|
29 |
*
|
30 |
*/
|
31 |
package org.gvsig.data.datastores.vectorial.file.dbf; |
32 |
|
33 |
import java.io.File; |
34 |
import java.nio.channels.FileChannel; |
35 |
import java.util.Date; |
36 |
|
37 |
import org.gvsig.data.Resource; |
38 |
import org.gvsig.data.datastores.vectorial.file.FileResource; |
39 |
import org.gvsig.data.datastores.vectorial.file.IFileResource; |
40 |
import org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile; |
41 |
import org.gvsig.data.exception.CloseException; |
42 |
import org.gvsig.data.exception.DataException; |
43 |
import org.gvsig.data.exception.OpenException; |
44 |
import org.gvsig.data.exception.ReadException; |
45 |
import org.gvsig.data.exception.UnsupportedEncodingException; |
46 |
import org.gvsig.data.exception.WriteException; |
47 |
|
48 |
|
49 |
/**
|
50 |
* @author jmvivo
|
51 |
*
|
52 |
*/
|
53 |
public class DBFResource extends FileResource{ |
54 |
|
55 |
protected DbaseFile dbfFile;
|
56 |
DBFResource (File aFile){
|
57 |
super(aFile);
|
58 |
} |
59 |
|
60 |
DbaseFile getDbf(){ |
61 |
return this.dbfFile; |
62 |
} |
63 |
|
64 |
/* (non-Javadoc)
|
65 |
* @see org.gvsig.data.datastores.vectorial.file.IFileResource#getTotalFiles()
|
66 |
*/
|
67 |
public int getTotalFiles() { |
68 |
return 1; |
69 |
} |
70 |
|
71 |
/* (non-Javadoc)
|
72 |
* @see org.gvsig.data.Resource#getKey()
|
73 |
*/
|
74 |
public String getKey() { |
75 |
return "DBF:"+this.file.getAbsolutePath(); |
76 |
} |
77 |
|
78 |
/* (non-Javadoc)
|
79 |
* @see org.gvsig.data.Resource#description()
|
80 |
*/
|
81 |
|
82 |
public String description() { |
83 |
if (this.getFile()!= null){ |
84 |
return "DBF File resource: " + this.getFile().getAbsolutePath(); |
85 |
} else{
|
86 |
return "DBF File resource: {No file}"; |
87 |
} |
88 |
} |
89 |
|
90 |
/* (non-Javadoc)
|
91 |
* @see org.gvsig.data.Resource#doClose()
|
92 |
*/
|
93 |
protected boolean doClose() throws CloseException{ |
94 |
dbfFile.close(); |
95 |
return super.doClose(); |
96 |
} |
97 |
|
98 |
/* (non-Javadoc)
|
99 |
* @see org.gvsig.data.Resource#doDispose()
|
100 |
*/
|
101 |
protected void doDispose() throws DataException{ |
102 |
super.doDispose();
|
103 |
this.dbfFile = null; |
104 |
} |
105 |
|
106 |
/* (non-Javadoc)
|
107 |
* @see org.gvsig.data.Resource#doOpen()
|
108 |
*/
|
109 |
protected synchronized boolean doOpen() throws OpenException{ |
110 |
if (this.dbfFile == null){ |
111 |
this.dbfFile = new DbaseFile(this.file); |
112 |
this.updateLastModified();
|
113 |
} else{
|
114 |
this.checkChanged();
|
115 |
} |
116 |
this.dbfFile.open();
|
117 |
this.setOpened();
|
118 |
return true; |
119 |
} |
120 |
|
121 |
|
122 |
|
123 |
|
124 |
/********************************
|
125 |
* ******************************
|
126 |
*
|
127 |
* Deletated methos of DbaseFile
|
128 |
*
|
129 |
* ******************************
|
130 |
********************************/
|
131 |
|
132 |
|
133 |
/**
|
134 |
* @param rowIndex
|
135 |
* @param fieldId
|
136 |
* @return
|
137 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getBooleanFieldValue(int, int)
|
138 |
*/
|
139 |
public boolean getBooleanFieldValue(int rowIndex, int fieldId) throws ReadException{ |
140 |
this.checkOpen();
|
141 |
return dbfFile.getBooleanFieldValue(rowIndex, fieldId);
|
142 |
} |
143 |
|
144 |
/**
|
145 |
* @return
|
146 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getFieldCount()
|
147 |
*/
|
148 |
public int getFieldCount() throws ReadException { |
149 |
this.checkOpen();
|
150 |
return dbfFile.getFieldCount();
|
151 |
} |
152 |
|
153 |
/**
|
154 |
* @param inIndex
|
155 |
* @return
|
156 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getFieldDecimalLength(int)
|
157 |
*/
|
158 |
public int getFieldDecimalLength(int inIndex) throws ReadException { |
159 |
this.checkOpen();
|
160 |
return dbfFile.getFieldDecimalLength(inIndex);
|
161 |
} |
162 |
|
163 |
/**
|
164 |
* @param inIndex
|
165 |
* @return
|
166 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getFieldLength(int)
|
167 |
*/
|
168 |
public int getFieldLength(int inIndex) throws ReadException{ |
169 |
this.checkOpen();
|
170 |
return dbfFile.getFieldLength(inIndex);
|
171 |
} |
172 |
|
173 |
/**
|
174 |
* @param inIndex
|
175 |
* @return
|
176 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getFieldName(int)
|
177 |
*/
|
178 |
public String getFieldName(int inIndex) throws ReadException{ |
179 |
this.checkOpen();
|
180 |
return dbfFile.getFieldName(inIndex);
|
181 |
} |
182 |
|
183 |
/**
|
184 |
* @param inIndex
|
185 |
* @return
|
186 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getFieldType(int)
|
187 |
*/
|
188 |
public char getFieldType(int inIndex) throws ReadException{ |
189 |
this.checkOpen();
|
190 |
return dbfFile.getFieldType(inIndex);
|
191 |
} |
192 |
|
193 |
/**
|
194 |
* @return
|
195 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getRecordCount()
|
196 |
*/
|
197 |
public int getRecordCount() throws ReadException{ |
198 |
this.checkOpen();
|
199 |
return dbfFile.getRecordCount();
|
200 |
} |
201 |
|
202 |
/**
|
203 |
* @param rowIndex
|
204 |
* @param fieldId
|
205 |
* @return
|
206 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getStringFieldValue(int, int)
|
207 |
*/
|
208 |
public String getStringFieldValue(int rowIndex, int fieldId) throws ReadException{ |
209 |
this.checkOpen();
|
210 |
return dbfFile.getStringFieldValue(rowIndex, fieldId);
|
211 |
} |
212 |
|
213 |
/**
|
214 |
* @return
|
215 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#getWriteChannel()
|
216 |
*/
|
217 |
public FileChannel getWriteChannel() throws DataException{ |
218 |
this.checkOpen();
|
219 |
return dbfFile.getWriteChannel();
|
220 |
} |
221 |
|
222 |
/**
|
223 |
* @param rowIndex
|
224 |
* @param fieldId
|
225 |
* @param obj
|
226 |
* @throws UnsupportedEncodingException
|
227 |
* @throws WriteException
|
228 |
* @see org.gvsig.data.datastores.vectorial.file.dbf.utils.DbaseFile#setFieldValue(int, int, java.lang.Object)
|
229 |
*/
|
230 |
public void setFieldValue(int rowIndex, int fieldId, Object obj) throws UnsupportedEncodingException, WriteException{ |
231 |
// FIXME: this.checkOpen();?????
|
232 |
dbfFile.setFieldValue(rowIndex, fieldId, obj); |
233 |
} |
234 |
} |
235 |
|