package com.google.bitcoin.bouncycastle.asn1.cms;
import com.google.bitcoin.bouncycastle.asn1.ASN1SequenceParser;
import com.google.bitcoin.bouncycastle.asn1.ASN1TaggedObjectParser;
import com.google.bitcoin.bouncycastle.asn1.DEREncodable;
import com.google.bitcoin.bouncycastle.asn1.DERObjectIdentifier;
import java.io.IOException;
/**
* Produce an object suitable for an ASN1OutputStream.
* <pre>
* ContentInfo ::= SEQUENCE {
* contentType ContentType,
* content
* [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL }
* </pre>
*/
public class ContentInfoParser
{
private DERObjectIdentifier contentType;
private ASN1TaggedObjectParser content;
public ContentInfoParser(
ASN1SequenceParser seq)
throws IOException
{
contentType = (DERObjectIdentifier)seq.readObject();
content = (ASN1TaggedObjectParser)seq.readObject();
}
public DERObjectIdentifier getContentType()
{
return contentType;
}
public DEREncodable getContent(
int tag)
throws IOException
{
if (content != null)
{
return content.getObjectParser(tag, true);
}
return null;
}
}