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
|
/*
Derby - Class org.apache.derbyTesting.functionTests.tests.jdbcapi.DummyReader
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package org.apache.derbyTesting.functionTests.tests.jdbcapi;
import java.io.Reader;
public class DummyReader extends Reader
{
private int _idx = 0;
private int _readerLength;
private static final String _chars = " abcdefghijklmnopqrstuvwxyz ";
public DummyReader( int readerLength )
{
_readerLength = readerLength;
}
public void close() {}
public int read( char[] buffer, int offset, int length )
{
if ( _idx >= _readerLength ) { return -1; }
for ( int i = 0; i < length; i++ )
{
if ( _idx >= _readerLength )
{
return i;
}
else
{
buffer[ offset + i ] = value( _idx++ );
}
}
return length;
}
private char value( int raw )
{
return _chars.charAt( raw % _chars.length() );
}
public String toString()
{
char[] buffer = new char[ _readerLength ];
for ( int i = 0; i < _readerLength; i++ ) { buffer[ i ] = value( i ); }
return new String( buffer );
}
}
|
