diff options
Diffstat (limited to 'core/src/main/java/org/spongycastle/asn1/cms/TimeStampedDataParser.java')
-rw-r--r-- | core/src/main/java/org/spongycastle/asn1/cms/TimeStampedDataParser.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/asn1/cms/TimeStampedDataParser.java b/core/src/main/java/org/spongycastle/asn1/cms/TimeStampedDataParser.java new file mode 100644 index 00000000..bf5d288a --- /dev/null +++ b/core/src/main/java/org/spongycastle/asn1/cms/TimeStampedDataParser.java @@ -0,0 +1,141 @@ +package org.spongycastle.asn1.cms; + +import java.io.IOException; + +import org.spongycastle.asn1.ASN1Encodable; +import org.spongycastle.asn1.ASN1EncodableVector; +import org.spongycastle.asn1.ASN1Integer; +import org.spongycastle.asn1.ASN1OctetStringParser; +import org.spongycastle.asn1.ASN1Primitive; +import org.spongycastle.asn1.ASN1Sequence; +import org.spongycastle.asn1.ASN1SequenceParser; +import org.spongycastle.asn1.BERSequence; +import org.spongycastle.asn1.DERIA5String; + +/** + * Parser for <a href="http://tools.ietf.org/html/rfc5544">RFC 5544</a>: + * {@link TimeStampedData} object. + * <p> + * <pre> + * TimeStampedData ::= SEQUENCE { + * version INTEGER { v1(1) }, + * dataUri IA5String OPTIONAL, + * metaData MetaData OPTIONAL, + * content OCTET STRING OPTIONAL, + * temporalEvidence Evidence + * } + * </pre> + */ +public class TimeStampedDataParser +{ + private ASN1Integer version; + private DERIA5String dataUri; + private MetaData metaData; + private ASN1OctetStringParser content; + private Evidence temporalEvidence; + private ASN1SequenceParser parser; + + private TimeStampedDataParser(ASN1SequenceParser parser) + throws IOException + { + this.parser = parser; + this.version = ASN1Integer.getInstance(parser.readObject()); + + ASN1Encodable obj = parser.readObject(); + + if (obj instanceof DERIA5String) + { + this.dataUri = DERIA5String.getInstance(obj); + obj = parser.readObject(); + } + if (obj instanceof MetaData || obj instanceof ASN1SequenceParser) + { + this.metaData = MetaData.getInstance(obj.toASN1Primitive()); + obj = parser.readObject(); + } + if (obj instanceof ASN1OctetStringParser) + { + this.content = (ASN1OctetStringParser)obj; + } + } + + public static TimeStampedDataParser getInstance(Object obj) + throws IOException + { + if (obj instanceof ASN1Sequence) + { + return new TimeStampedDataParser(((ASN1Sequence)obj).parser()); + } + if (obj instanceof ASN1SequenceParser) + { + return new TimeStampedDataParser((ASN1SequenceParser)obj); + } + + return null; + } + + public DERIA5String getDataUri() + { + return dataUri; + } + + public MetaData getMetaData() + { + return metaData; + } + + public ASN1OctetStringParser getContent() + { + return content; + } + + public Evidence getTemporalEvidence() + throws IOException + { + if (temporalEvidence == null) + { + temporalEvidence = Evidence.getInstance(parser.readObject().toASN1Primitive()); + } + + return temporalEvidence; + } + + /** + * <pre> + * TimeStampedData ::= SEQUENCE { + * version INTEGER { v1(1) }, + * dataUri IA5String OPTIONAL, + * metaData MetaData OPTIONAL, + * content OCTET STRING OPTIONAL, + * temporalEvidence Evidence + * } + * </pre> + * @return + * @deprecated will be removed + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(version); + + if (dataUri != null) + { + v.add(dataUri); + } + + if (metaData != null) + { + v.add(metaData); + } + + if (content != null) + { + v.add(content); + } + + v.add(temporalEvidence); + + return new BERSequence(v); + } +} |