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
|
/*
* 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.util.streams;
import java.io.ByteArrayInputStream;
import java.io.IOException;
public class ReadOnceByteArrayInputStream extends ByteArrayInputStream {
private boolean isClosed;
public ReadOnceByteArrayInputStream(byte[] arg0) {
super(arg0);
}
public ReadOnceByteArrayInputStream(byte[] arg0, int arg1, int arg2) {
super(arg0, arg1, arg2);
}
public boolean markSupported()
{
return false;
}
public void close() throws IOException
{
isClosed = true;
super.close();
}
public int read(byte[] b,
int off,
int len)
{
if (isClosed)
return -1;
return super.read(b, off, len);
}
public int read()
{
if (isClosed)
return -1;
return super.read();
}
}
|
