001package org.apache.commons.ssl.org.bouncycastle.asn1.cms; 002 003import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1EncodableVector; 004import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Integer; 005import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Object; 006import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1OctetString; 007import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Primitive; 008import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Sequence; 009import org.apache.commons.ssl.org.bouncycastle.asn1.BERSequence; 010import org.apache.commons.ssl.org.bouncycastle.asn1.DERIA5String; 011 012/** 013 * <a href="http://tools.ietf.org/html/rfc5544">RFC 5544</a>: 014 * Binding Documents with Time-Stamps; TimeStampedData object. 015 * <p> 016 * <pre> 017 * TimeStampedData ::= SEQUENCE { 018 * version INTEGER { v1(1) }, 019 * dataUri IA5String OPTIONAL, 020 * metaData MetaData OPTIONAL, 021 * content OCTET STRING OPTIONAL, 022 * temporalEvidence Evidence 023 * } 024 * </pre> 025 */ 026public class TimeStampedData 027 extends ASN1Object 028{ 029 private ASN1Integer version; 030 private DERIA5String dataUri; 031 private MetaData metaData; 032 private ASN1OctetString content; 033 private Evidence temporalEvidence; 034 035 public TimeStampedData(DERIA5String dataUri, MetaData metaData, ASN1OctetString content, Evidence temporalEvidence) 036 { 037 this.version = new ASN1Integer(1); 038 this.dataUri = dataUri; 039 this.metaData = metaData; 040 this.content = content; 041 this.temporalEvidence = temporalEvidence; 042 } 043 044 private TimeStampedData(ASN1Sequence seq) 045 { 046 this.version = ASN1Integer.getInstance(seq.getObjectAt(0)); 047 048 int index = 1; 049 if (seq.getObjectAt(index) instanceof DERIA5String) 050 { 051 this.dataUri = DERIA5String.getInstance(seq.getObjectAt(index++)); 052 } 053 if (seq.getObjectAt(index) instanceof MetaData || seq.getObjectAt(index) instanceof ASN1Sequence) 054 { 055 this.metaData = MetaData.getInstance(seq.getObjectAt(index++)); 056 } 057 if (seq.getObjectAt(index) instanceof ASN1OctetString) 058 { 059 this.content = ASN1OctetString.getInstance(seq.getObjectAt(index++)); 060 } 061 this.temporalEvidence = Evidence.getInstance(seq.getObjectAt(index)); 062 } 063 064 /** 065 * Return a TimeStampedData object from the given object. 066 * <p> 067 * Accepted inputs: 068 * <ul> 069 * <li> null → null 070 * <li> {@link RecipientKeyIdentifier} object 071 * <li> {@link org.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with TimeStampedData structure inside 072 * </ul> 073 * 074 * @param obj the object we want converted. 075 * @exception IllegalArgumentException if the object cannot be converted. 076 */ 077 public static TimeStampedData getInstance(Object obj) 078 { 079 if (obj == null || obj instanceof TimeStampedData) 080 { 081 return (TimeStampedData)obj; 082 } 083 return new TimeStampedData(ASN1Sequence.getInstance(obj)); 084 } 085 086 public DERIA5String getDataUri() 087 { 088 return dataUri; 089 } 090 091 public MetaData getMetaData() 092 { 093 return metaData; 094 } 095 096 public ASN1OctetString getContent() 097 { 098 return content; 099 } 100 101 public Evidence getTemporalEvidence() 102 { 103 return temporalEvidence; 104 } 105 106 public ASN1Primitive toASN1Primitive() 107 { 108 ASN1EncodableVector v = new ASN1EncodableVector(); 109 110 v.add(version); 111 112 if (dataUri != null) 113 { 114 v.add(dataUri); 115 } 116 117 if (metaData != null) 118 { 119 v.add(metaData); 120 } 121 122 if (content != null) 123 { 124 v.add(content); 125 } 126 127 v.add(temporalEvidence); 128 129 return new BERSequence(v); 130 } 131}