{
byte value;
+ public static final DERBoolean FALSE = new DERBoolean(false);
+ public static final DERBoolean TRUE = new DERBoolean(true);
+
+ /**
+ * return a boolean from the passed in object.
+ *
+ * @exception IllegalArgumentException if the object cannot be converted.
+ */
+ public static DERBoolean getInstance(
+ Object obj)
+ {
+ if (obj == null || obj instanceof DERBoolean)
+ {
+ return (DERBoolean)obj;
+ }
+
+ if (obj instanceof ASN1OctetString)
+ {
+ return new DERBoolean(((ASN1OctetString)obj).getOctets());
+ }
+
+ if (obj instanceof ASN1TaggedObject)
+ {
+ return getInstance(((ASN1TaggedObject)obj).getObject());
+ }
+
+ throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
+ }
+
+ /**
+ * return a DERBoolean from the passed in boolean.
+ */
+ public static DERBoolean getInstance(
+ boolean value)
+ {
+ return (value ? TRUE : FALSE);
+ }
+
+ /**
+ * return a Boolean from a tagged object.
+ *
+ * @param obj the tagged object holding the object we want
+ * @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 DERBoolean getInstance(
+ ASN1TaggedObject obj,
+ boolean explicit)
+ {
+ return getInstance(obj.getObject());
+ }
+
public DERBoolean(
byte[] value)
{
out.writeEncoded(BOOLEAN, bytes);
}
+
+ public boolean equals(
+ Object o)
+ {
+ if ((o == null) || !(o instanceof DERBoolean))
+ {
+ return false;
+ }
+
+ return (value == ((DERBoolean)o).value);
+ }
+
}