Examples with CompressedDataParser com.github.zhenwei.pkix.util.asn1.cms.CompressedDataParser used on opensource projects

Example 1 with CompressedDataParser

use of com.github.zhenwei.pkix.util.asn1.cms.CompressedDataParser in project LinLong-Java by zhenwei1108.

the class CMSCompressedDataParser method getContent.

/**
 * Return a typed stream which will allow the reading of the compressed content in expanded form.
 *
 * @param expanderProvider a provider of expander algorithm implementations.
 * @return a type stream which will yield the un-compressed content.
 * @throws CMSException if there is an exception parsing the CompressedData object.
 */
public CMSTypedStream getContent(InputExpanderProvider expanderProvider) throws CMSException {
    try {
        CompressedDataParser comData = new CompressedDataParser((ASN1SequenceParser) _contentInfo.getContent(BERTags.SEQUENCE));
        ContentInfoParser content = comData.getEncapContentInfo();
        InputExpander expander = expanderProvider.get(comData.getCompressionAlgorithmIdentifier());
        ASN1OctetStringParser bytes = (ASN1OctetStringParser) content.getContent(BERTags.OCTET_STRING);
        return new CMSTypedStream(content.getContentType(), expander.getInputStream(bytes.getOctetStream()));
    } catch (IOException e) {
        throw new CMSException("IOException reading compressed content.", e);
    }
}