ContentInfo.java
资源名称:security.rar [点击查看]
上传用户:lior1029
上传日期:2013-05-07
资源大小:209k
文件大小:2k
源码类别:
CA认证
开发平台:
Java
- package org.bouncycastle.asn1.cms;
- import java.util.Enumeration;
- import org.bouncycastle.asn1.*;
- public class ContentInfo
- implements DEREncodable, CMSObjectIdentifiers
- {
- private DERObjectIdentifier contentType;
- private DEREncodable content;
- public static ContentInfo getInstance(
- Object obj)
- {
- if (obj instanceof ContentInfo)
- {
- return (ContentInfo)obj;
- }
- else if (obj instanceof ASN1Sequence)
- {
- return new ContentInfo((ASN1Sequence)obj);
- }
- throw new IllegalArgumentException("unknown object in factory");
- }
- public ContentInfo(
- ASN1Sequence seq)
- {
- Enumeration e = seq.getObjects();
- contentType = (DERObjectIdentifier)e.nextElement();
- if (e.hasMoreElements())
- {
- content = ((DERTaggedObject)e.nextElement()).getObject();
- }
- }
- public ContentInfo(
- DERObjectIdentifier contentType,
- DEREncodable content)
- {
- this.contentType = contentType;
- this.content = content;
- }
- public DERObjectIdentifier getContentType()
- {
- return contentType;
- }
- public DEREncodable getContent()
- {
- return content;
- }
- /**
- * <pre>
- * ContentInfo ::= SEQUENCE {
- * contentType ContentType,
- * content
- * [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL }
- * </pre>
- */
- public DERObject getDERObject()
- {
- ASN1EncodableVector v = new ASN1EncodableVector();
- v.add(contentType);
- if (content != null)
- {
- v.add(new BERTaggedObject(0, content));
- }
- return new BERSequence(v);
- }
- }