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author | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2006-12-01 12:20:24 +0000 |
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committer | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2006-12-01 12:20:24 +0000 |
commit | 6025b6016517c6d898d8957d1d7e03ba71431912 (patch) | |
tree | b15bd6fa5ffe9588a9bca3f2b8a7e358f83b6eba /src/main/java/com/lowagie/bc/asn1/DERNumericString.java | |
parent | d2c77e820ab4aba8235d71275755021347b3ad10 (diff) | |
download | pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.tar.gz pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.tar.bz2 pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.zip |
Initial import of release 2.2.REL-2.2@923
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/com/lowagie/bc/asn1/DERNumericString.java')
-rw-r--r-- | src/main/java/com/lowagie/bc/asn1/DERNumericString.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/bc/asn1/DERNumericString.java b/src/main/java/com/lowagie/bc/asn1/DERNumericString.java new file mode 100644 index 0000000..6d58c6c --- /dev/null +++ b/src/main/java/com/lowagie/bc/asn1/DERNumericString.java @@ -0,0 +1,123 @@ +package com.lowagie.bc.asn1;
+
+import java.io.IOException;
+
+/**
+ * DER NumericString object - this is an ascii string of characters {0,1,2,3,4,5,6,7,8,9, }.
+ */
+public class DERNumericString
+ extends DERObject
+ implements DERString
+{
+ String string;
+
+ /**
+ * return a Numeric string from the passed in object
+ *
+ * @exception IllegalArgumentException if the object cannot be converted.
+ */
+ public static DERNumericString getInstance(
+ Object obj)
+ {
+ if (obj == null || obj instanceof DERNumericString)
+ {
+ return (DERNumericString)obj;
+ }
+
+ if (obj instanceof ASN1OctetString)
+ {
+ return new DERNumericString(((ASN1OctetString)obj).getOctets());
+ }
+
+ if (obj instanceof ASN1TaggedObject)
+ {
+ return getInstance(((ASN1TaggedObject)obj).getObject());
+ }
+
+ throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
+ }
+
+ /**
+ * return an Numeric String 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 DERNumericString getInstance(
+ ASN1TaggedObject obj,
+ boolean explicit)
+ {
+ return getInstance(obj.getObject());
+ }
+
+ /**
+ * basic constructor - with bytes.
+ */
+ public DERNumericString(
+ byte[] string)
+ {
+ char[] cs = new char[string.length];
+
+ for (int i = 0; i != cs.length; i++)
+ {
+ cs[i] = (char)(string[i] & 0xff);
+ }
+
+ this.string = new String(cs);
+ }
+
+ /**
+ * basic constructor - with string.
+ */
+ public DERNumericString(
+ String string)
+ {
+ this.string = string;
+ }
+
+ public String getString()
+ {
+ return string;
+ }
+
+ public byte[] getOctets()
+ {
+ char[] cs = string.toCharArray();
+ byte[] bs = new byte[cs.length];
+
+ for (int i = 0; i != cs.length; i++)
+ {
+ bs[i] = (byte)cs[i];
+ }
+
+ return bs;
+ }
+
+ void encode(
+ DEROutputStream out)
+ throws IOException
+ {
+ out.writeEncoded(NUMERIC_STRING, this.getOctets());
+ }
+
+ public int hashCode()
+ {
+ return this.getString().hashCode();
+ }
+
+ public boolean equals(
+ Object o)
+ {
+ if (!(o instanceof DERNumericString))
+ {
+ return false;
+ }
+
+ DERNumericString s = (DERNumericString)o;
+
+ return this.getString().equals(s.getString());
+ }
+}
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