aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/com/lowagie/bc/asn1/DERT61String.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/com/lowagie/bc/asn1/DERT61String.java')
-rw-r--r--src/main/java/com/lowagie/bc/asn1/DERT61String.java116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/bc/asn1/DERT61String.java b/src/main/java/com/lowagie/bc/asn1/DERT61String.java
new file mode 100644
index 0000000..228fd49
--- /dev/null
+++ b/src/main/java/com/lowagie/bc/asn1/DERT61String.java
@@ -0,0 +1,116 @@
+package com.lowagie.bc.asn1;
+
+import java.io.IOException;
+
+/**
+ * DER T61String (also the teletex string)
+ */
+public class DERT61String
+ extends DERObject
+ implements DERString
+{
+ String string;
+
+ /**
+ * return a T61 string from the passed in object.
+ *
+ * @exception IllegalArgumentException if the object cannot be converted.
+ */
+ public static DERT61String getInstance(
+ Object obj)
+ {
+ if (obj == null || obj instanceof DERT61String)
+ {
+ return (DERT61String)obj;
+ }
+
+ if (obj instanceof ASN1OctetString)
+ {
+ return new DERT61String(((ASN1OctetString)obj).getOctets());
+ }
+
+ if (obj instanceof ASN1TaggedObject)
+ {
+ return getInstance(((ASN1TaggedObject)obj).getObject());
+ }
+
+ throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
+ }
+
+ /**
+ * return an T61 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 DERT61String getInstance(
+ ASN1TaggedObject obj,
+ boolean explicit)
+ {
+ return getInstance(obj.getObject());
+ }
+
+ /**
+ * basic constructor - with bytes.
+ */
+ public DERT61String(
+ 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 DERT61String(
+ String string)
+ {
+ this.string = string;
+ }
+
+ public String getString()
+ {
+ return string;
+ }
+
+ void encode(
+ DEROutputStream out)
+ throws IOException
+ {
+ out.writeEncoded(T61_STRING, this.getOctets());
+ }
+
+ 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;
+ }
+
+ public boolean equals(
+ Object o)
+ {
+ if ((o == null) || !(o instanceof DERT61String))
+ {
+ return false;
+ }
+
+ return this.getString().equals(((DERT61String)o).getString());
+ }
+}