package org.bouncycastle.asn1.cms;
import org.bouncycastle.asn1.ASN1Boolean;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERUTF8String;
public class MetaData
extends ASN1Object
{
private ASN1Boolean hashProtected;
private DERUTF8String fileName;
private DERIA5String mediaType;
private Attributes otherMetaData;
public MetaData(
ASN1Boolean hashProtected,
DERUTF8String fileName,
DERIA5String mediaType,
Attributes otherMetaData)
{
this.hashProtected = hashProtected;
this.fileName = fileName;
this.mediaType = mediaType;
this.otherMetaData = otherMetaData;
}
private MetaData(ASN1Sequence seq)
{
this.hashProtected = ASN1Boolean.getInstance(seq.getObjectAt(0));
int index = 1;
if (index < seq.size() && seq.getObjectAt(index) instanceof DERUTF8String)
{
this.fileName = DERUTF8String.getInstance(seq.getObjectAt(index++));
}
if (index < seq.size() && seq.getObjectAt(index) instanceof DERIA5String)
{
this.mediaType = DERIA5String.getInstance(seq.getObjectAt(index++));
}
if (index < seq.size())
{
this.otherMetaData = Attributes.getInstance(seq.getObjectAt(index++));
}
}
public static MetaData getInstance(Object obj)
{
if (obj instanceof MetaData)
{
return (MetaData)obj;
}
else if (obj != null)
{
return new MetaData(ASN1Sequence.getInstance(obj));
}
return null;
}
/**
* <pre>
* MetaData ::= SEQUENCE {
* hashProtected BOOLEAN,
* fileName UTF8String OPTIONAL,
* mediaType IA5String OPTIONAL,
* otherMetaData Attributes OPTIONAL
* }
* </pre>
* @return
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(hashProtected);
if (fileName != null)
{
v.add(fileName);
}
if (mediaType != null)
{
v.add(mediaType);
}
if (otherMetaData != null)
{
v.add(otherMetaData);
}
return new DERSequence(v);
}
public boolean isHashProtected()
{
return hashProtected.isTrue();
}
public DERUTF8String getFileName()
{
return this.fileName;
}
public DERIA5String getMediaType()
{
return this.mediaType;
}
public Attributes getOtherMetaData()
{
return otherMetaData;
}
}