diff options
Diffstat (limited to 'src/main/java/com/lowagie/bc/asn1/ASN1Set.java')
| -rw-r--r-- | src/main/java/com/lowagie/bc/asn1/ASN1Set.java | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/main/java/com/lowagie/bc/asn1/ASN1Set.java b/src/main/java/com/lowagie/bc/asn1/ASN1Set.java deleted file mode 100644 index f0d6c97..0000000 --- a/src/main/java/com/lowagie/bc/asn1/ASN1Set.java +++ /dev/null @@ -1,184 +0,0 @@ -package com.lowagie.bc.asn1;
-
-import java.io.IOException;
-import java.util.Enumeration;
-import java.util.Vector;
-
-abstract public class ASN1Set
- extends DERObject
-{
- protected Vector set = new Vector();
-
- /**
- * return an ASN1Set from the given object.
- *
- * @param obj the object we want converted.
- * @exception IllegalArgumentException if the object cannot be converted.
- */
- public static ASN1Set getInstance(
- Object obj)
- {
- if (obj == null || obj instanceof ASN1Set)
- {
- return (ASN1Set)obj;
- }
-
- throw new IllegalArgumentException("unknown object in getInstance");
- }
-
- /**
- * Return an ASN1 set from a tagged object. There is a special
- * case here, if an object appears to have been explicitly tagged on
- * reading but we were expecting it to be implictly tagged in the
- * normal course of events it indicates that we lost the surrounding
- * set - so we need to add it back (this will happen if the tagged
- * object is a sequence that contains other sequences). If you are
- * dealing with implicitly tagged sets you really <b>should</b>
- * be using this method.
- *
- * @param obj the tagged object.
- * @param explicit true if the object is meant to be explicitly tagged
- * false otherwise.
- * @exception IllegalArgumentException if the tagged object cannot
- * be converted.
- */
- public static ASN1Set getInstance(
- ASN1TaggedObject obj,
- boolean explicit)
- {
- if (explicit)
- {
- if (!obj.isExplicit())
- {
- throw new IllegalArgumentException("object implicit - explicit expected.");
- }
-
- return (ASN1Set)obj.getObject();
- }
- else
- {
- //
- // constructed object which appears to be explicitly tagged
- // and it's really implicit means we have to add the
- // surrounding sequence.
- //
- if (obj.isExplicit())
- {
- ASN1Set set = new DERSet(obj.getObject());
-
- return set;
- }
- else
- {
- if (obj.getObject() instanceof ASN1Set)
- {
- return (ASN1Set)obj.getObject();
- }
-
- //
- // in this case the parser returns a sequence, convert it
- // into a set.
- //
- ASN1EncodableVector v = new ASN1EncodableVector();
-
- if (obj.getObject() instanceof ASN1Sequence)
- {
- ASN1Sequence s = (ASN1Sequence)obj.getObject();
- Enumeration e = s.getObjects();
-
- while (e.hasMoreElements())
- {
- v.add((DEREncodable)e.nextElement());
- }
-
- return new DERSet(v);
- }
- }
- }
-
- throw new IllegalArgumentException(
- "unknown object in getInstanceFromTagged");
- }
-
- public ASN1Set()
- {
- }
-
- public Enumeration getObjects()
- {
- return set.elements();
- }
-
- /**
- * return the object at the set postion indicated by index.
- *
- * @param index the set number (starting at zero) of the object
- * @return the object at the set postion indicated by index.
- */
- public DEREncodable getObjectAt(
- int index)
- {
- return (DEREncodable)set.elementAt(index);
- }
-
- /**
- * return the number of objects in this set.
- *
- * @return the number of objects in this set.
- */
- public int size()
- {
- return set.size();
- }
-
- public int hashCode()
- {
- Enumeration e = this.getObjects();
- int hashCode = 0;
-
- while (e.hasMoreElements())
- {
- hashCode ^= e.nextElement().hashCode();
- }
-
- return hashCode;
- }
-
- public boolean equals(
- Object o)
- {
- if (o == null || !(o instanceof ASN1Set))
- {
- return false;
- }
-
- ASN1Set other = (ASN1Set)o;
-
- if (this.size() != other.size())
- {
- return false;
- }
-
- Enumeration s1 = this.getObjects();
- Enumeration s2 = other.getObjects();
-
- while (s1.hasMoreElements())
- {
- if (!s1.nextElement().equals(s2.nextElement()))
- {
- return false;
- }
- }
-
- return true;
- }
-
- protected void addObject(
- DEREncodable obj)
- {
- set.addElement(obj);
- }
-
- abstract void encode(DEROutputStream out)
- throws IOException;
-}
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