| /* GENERATED SOURCE. DO NOT MODIFY. */ |
| package com.android.org.bouncycastle.asn1.cms; |
| |
| import com.android.org.bouncycastle.asn1.ASN1Encodable; |
| import com.android.org.bouncycastle.asn1.ASN1EncodableVector; |
| import com.android.org.bouncycastle.asn1.ASN1Object; |
| import com.android.org.bouncycastle.asn1.ASN1ObjectIdentifier; |
| import com.android.org.bouncycastle.asn1.ASN1Primitive; |
| import com.android.org.bouncycastle.asn1.ASN1Sequence; |
| import com.android.org.bouncycastle.asn1.ASN1TaggedObject; |
| import com.android.org.bouncycastle.asn1.BERSequence; |
| import com.android.org.bouncycastle.asn1.BERTaggedObject; |
| |
| /** |
| * <a href="http://tools.ietf.org/html/rfc5652#section-3">RFC 5652</a> ContentInfo, and |
| * <a href="http://tools.ietf.org/html/rfc5652#section-5.2">RFC 5652</a> EncapsulatedContentInfo objects. |
| * |
| * <pre> |
| * ContentInfo ::= SEQUENCE { |
| * contentType ContentType, |
| * content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL |
| * } |
| * |
| * EncapsulatedContentInfo ::= SEQUENCE { |
| * eContentType ContentType, |
| * eContent [0] EXPLICIT OCTET STRING OPTIONAL |
| * } |
| * </pre> |
| * @hide This class is not part of the Android public SDK API |
| */ |
| public class ContentInfo |
| extends ASN1Object |
| implements CMSObjectIdentifiers |
| { |
| private ASN1ObjectIdentifier contentType; |
| private ASN1Encodable content; |
| |
| /** |
| * Return an ContentInfo object from the given object. |
| * <p> |
| * Accepted inputs: |
| * <ul> |
| * <li> null → null |
| * <li> {@link ContentInfo} object |
| * <li> {@link com.android.org.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with ContentInfo structure inside |
| * </ul> |
| * |
| * @param obj the object we want converted. |
| * @exception IllegalArgumentException if the object cannot be converted. |
| */ |
| public static ContentInfo getInstance( |
| Object obj) |
| { |
| if (obj instanceof ContentInfo) |
| { |
| return (ContentInfo)obj; |
| } |
| else if (obj != null) |
| { |
| return new ContentInfo(ASN1Sequence.getInstance(obj)); |
| } |
| |
| return null; |
| } |
| |
| public static ContentInfo getInstance( |
| ASN1TaggedObject obj, |
| boolean explicit) |
| { |
| return getInstance(ASN1Sequence.getInstance(obj, explicit)); |
| } |
| |
| /** |
| * @deprecated use getInstance() |
| */ |
| public ContentInfo( |
| ASN1Sequence seq) |
| { |
| if (seq.size() < 1 || seq.size() > 2) |
| { |
| throw new IllegalArgumentException("Bad sequence size: " + seq.size()); |
| } |
| |
| contentType = (ASN1ObjectIdentifier)seq.getObjectAt(0); |
| |
| if (seq.size() > 1) |
| { |
| ASN1TaggedObject tagged = (ASN1TaggedObject)seq.getObjectAt(1); |
| if (!tagged.isExplicit() || tagged.getTagNo() != 0) |
| { |
| throw new IllegalArgumentException("Bad tag for 'content'"); |
| } |
| |
| content = tagged.getObject(); |
| } |
| } |
| |
| public ContentInfo( |
| ASN1ObjectIdentifier contentType, |
| ASN1Encodable content) |
| { |
| this.contentType = contentType; |
| this.content = content; |
| } |
| |
| public ASN1ObjectIdentifier getContentType() |
| { |
| return contentType; |
| } |
| |
| public ASN1Encodable getContent() |
| { |
| return content; |
| } |
| |
| /** |
| * Produce an object suitable for an ASN1OutputStream. |
| */ |
| public ASN1Primitive toASN1Primitive() |
| { |
| ASN1EncodableVector v = new ASN1EncodableVector(); |
| |
| v.add(contentType); |
| |
| if (content != null) |
| { |
| v.add(new BERTaggedObject(0, content)); |
| } |
| |
| return new BERSequence(v); |
| } |
| } |