1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
|
/*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2009 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package testsuite;
import java.util.*;
import java.io.*;
import java.sql.*;
public class TestBlob
{
// ************************************************************
public static void main(String[] args) throws Exception
{
System.out.println("driver");
Connection conn = null;
if (args.length == 0)
{
System.err.println("Usage: TestEmpty ora | eds | edsj | ms7 | tds");
System.exit(1);
}
System.out.println("connect");
if (args[0].equals("eds"))
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn = DriverManager.getConnection("jdbc:odbc:Local ES","EWSYS","EWSYS");
}
else if (args[0].equals("edsj"))
{
Class.forName("virtuoso.jdbc3.Driver");
// conn = DriverManager.getConnection ("jdbc:virtuoso://localhost:1111","EWSYS","EWSYS");
if (args.length < 2)
conn = DriverManager.getConnection ("jdbc:virtuoso://localhost:1111/timeout=60","dba","dba");
else
conn = DriverManager.getConnection (args[1],"dba","dba");
}
else if (args[0].equals("ora"))
{
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection ("jdbc:oracle:thin:@localhost:1521:ent70071","EWSYS","EWSYS");
}
else if (args[0].equals("ms7"))
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn = DriverManager.getConnection("jdbc:odbc:Local ES MS7","EWSYS","EWSYS");
}
else if (args[0].equals("tds"))
{
DriverManager.setLogStream(System.out);
Class.forName("com.thinweb.tds.Driver");
conn = DriverManager.getConnection("jdbc:twtds:sqlserver://sgaetjen/EWSYS","EWSYS","EWSYS");
}
else if (args[0].equals("spr"))
{
DriverManager.setLogStream(System.out);
Class.forName("com.inet.tds.TdsDriver");
conn = DriverManager.getConnection("jdbc:inetdae7:sgaetjen","EWSYS","EWSYS");
}
conn.setAutoCommit(false);
System.out.println( "DRIVER NAME:" + conn.getMetaData().getDriverName() );
System.out.println( "DRIVER VER:" + conn.getMetaData().getDriverVersion() );
System.out.println("(TRANSACTION_READ_COMMITTED) :" + Connection.TRANSACTION_READ_COMMITTED);
System.out.println("(TRANSACTION_READ_UNCOMMITTED) :" + Connection.TRANSACTION_READ_UNCOMMITTED);
System.out.println("(TRANSACTION_REPEATABLE_READ) :" + Connection.TRANSACTION_REPEATABLE_READ);
System.out.println("(TRANSACTION_SERIALIZABLE) :" + Connection.TRANSACTION_SERIALIZABLE);
System.out.println("(TRANSACTION_NONE) :" + Connection.TRANSACTION_NONE);
int transactionIsolation = conn.getTransactionIsolation();
System.out.println("connected: default isolation="+transactionIsolation+":"+Connection.TRANSACTION_NONE);
conn.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
try
{
Statement stmt = conn.createStatement();
try {
stmt.executeUpdate ("drop table EX..TESTBLOB");
} catch (Exception e) { }
stmt.executeUpdate ("create table EX..TESTBLOB ( BLOB_COL LONG VARBINARY )");
// create table EX..TESTBLOB ( BLOB_COL LONG VARBINARY );
PreparedStatement ps = conn.prepareStatement("insert into EX..TESTBLOB (BLOB_COL) values(?)");
/*
String data = new String("113066");
byte byteData[];
byteData = data.getBytes();
*/
File file = new File ("bloor.pdf");
BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(file));
byte[] byteData = new byte [ (int) file.length() ];
bufferedInputStream.read(byteData);
bufferedInputStream.close();
// ps.setBinaryStream(index,new ByteArrayInputStream(byteData),byteData.length);
ps.setBytes(1, byteData);
System.out.println("insert execute update" );
int ires = ps.executeUpdate();
System.out.println("insert results:"+ires);
ps.close();
System.out.println("insert commit");
conn.commit();
System.out.println("********* SELECT *****************************");
ps = conn.prepareStatement("SELECT BLOB_COL FROM EX..TESTBLOB");
System.out.println("select execute");
ResultSet rs = ps.executeQuery();
while ( rs.next() )
{
System.out.println("result0");
// reads 12 bytes and returns
// byte[] x = rs.getBytes("BLOB_COL");
InputStream stream = rs.getBinaryStream("BLOB_COL");
ByteArrayOutputStream ostream = new ByteArrayOutputStream();
// very slow processing
// throws read timeout periodically after a few hundred bytes
// or stops processing after 3600 bytes
/*
int c;
int index = 0;
while ((c = stream.read()) != -1)
{
++index;
if (( index % 100 ) == 0 )
System.err.println ( "bytes read: " + index );
ostream.write(c);
}
*/
/*
java.io.IOException
at virtuoso.jdbc3.VirtuosoBlobStream.read(VirtuosoBlobStream.java:93)
at java.io.InputStream.read(InputStream.java:91)
at TestBlob.main(TestBlob.java:140)
*/
int length;
// int index = 0;
System.out.println("result1");
// while ((length = stream.read(buffer)) != -1)
while (true)
{
byte[] buffer = new byte[32767];
System.out.println("result2");
length = stream.read(buffer);
System.out.println("result3:" + length);
if ( length < 0 )
break;
ostream.write(buffer, 0, length);
}
byte[] x = ostream.toByteArray();
// String x = new String ( buffer );
System.out.println ( "select results: len=" +x.length);
if (x.length != byteData.length)
throw new Exception ("different length orig=" + byteData.length + " returned=" + x.length);
for (int inx = 0; inx < x.length; inx++)
if (x[inx] != byteData[inx])
throw new Exception ("different content orig=" + byteData[inx] + " returned=" + byteData[inx]);
FileOutputStream os = new FileOutputStream ("out.pdf");
os.write (x);
}
rs.close();
ps.close();
try {
stmt.executeUpdate ("drop table EX..TESTBLOB");
} catch (Exception e) { }
System.out.println("Testing long nvarchar:");
stmt.executeUpdate ("create table EX..TESTBLOB ( BLOB_COL LONG NVARCHAR )");
ps = conn.prepareStatement("insert into EX..TESTBLOB (BLOB_COL) values(?)");
String data = new String("12345678901234");
byteData = data.getBytes();
ps.setBytes(1, byteData);
System.out.println("insert execute update" );
ires = ps.executeUpdate();
System.out.println("insert results:"+ires);
ps.close();
System.out.println("insert commit");
conn.commit();
System.out.println("********* SELECT *****************************");
ps = conn.prepareStatement("SELECT BLOB_COL FROM EX..TESTBLOB");
System.out.println("select execute");
rs = ps.executeQuery();
while ( rs.next() )
{
System.out.println("result0");
InputStream stream = rs.getBinaryStream("BLOB_COL");
ByteArrayOutputStream ostream = new ByteArrayOutputStream();
int length;
System.out.println("result1");
while (true)
{
byte[] buffer = new byte[32767];
System.out.println("result2");
length = stream.read(buffer);
System.out.println("result3:" + length);
if ( length < 0 )
break;
ostream.write(buffer, 0, length);
}
byte[] x = ostream.toByteArray();
System.out.println ( "select results: len=" +x.length);
if (x.length != byteData.length)
throw new Exception ("different length orig=" + byteData.length + " returned=" + x.length);
for (int inx = 0; inx < x.length; inx++)
if (x[inx] != byteData[inx])
throw new Exception ("different content orig=" + byteData[inx] + " returned=" + byteData[inx]);
}
rs.close();
ps.close();
try
{
stmt.executeUpdate ("drop table EX..TESTBLOB");
}
catch (Exception e)
{
}
}
catch ( SQLException e )
{
System.err.println ( "SQLEXP:" + e);
System.err.println ( "SQLEXP(error code):" + e.getErrorCode() );
System.err.println ( "SQLEXP(sql state):" + e.getSQLState() );
e.printStackTrace();
}
catch ( Exception e )
{
System.err.println ( "************* exception 1:" + e);
e.printStackTrace();
}
try
{
System.out.println("close");
conn.commit();
conn.close();
System.out.println("done");
}
catch ( Exception c2 )
{
System.err.println ( "************* exception close:" + c2);
c2.printStackTrace();
}
}
}
|
