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
|
package org.bouncycastle.cms;
import java.io.BufferedInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.util.io.Streams;
public class CMSTypedStream
{
private static final int BUF_SIZ = 32 * 1024;
private ASN1ObjectIdentifier _oid;
private InputStream _in;
public CMSTypedStream(
InputStream in)
{
this(PKCSObjectIdentifiers.data.getId(), in, BUF_SIZ);
}
public CMSTypedStream(
String oid,
InputStream in)
{
this(new ASN1ObjectIdentifier(oid), in, BUF_SIZ);
}
public CMSTypedStream(
String oid,
InputStream in,
int bufSize)
{
this(new ASN1ObjectIdentifier(oid), in, bufSize);
}
public CMSTypedStream(
ASN1ObjectIdentifier oid,
InputStream in)
{
this(oid, in, BUF_SIZ);
}
public CMSTypedStream(
ASN1ObjectIdentifier oid,
InputStream in,
int bufSize)
{
_oid = oid;
_in = new FullReaderStream(new BufferedInputStream(in, bufSize));
}
public ASN1ObjectIdentifier getContentType()
{
return _oid;
}
public InputStream getContentStream()
{
return _in;
}
public void drain()
throws IOException
{
Streams.drain(_in);
_in.close();
}
private static class FullReaderStream extends FilterInputStream
{
FullReaderStream(InputStream in)
{
super(in);
}
public int read(byte[] buf, int off, int len) throws IOException
{
int totalRead = Streams.readFully(super.in, buf, off, len);
return totalRead > 0 ? totalRead : -1;
}
}
}
|
