2002/03/21 01:19:32

[org.ibex.core.git] / src / org / bouncycastle / asn1 / DERBMPString.java

diff --git a/src/org/bouncycastle/asn1/DERBMPString.java b/src/org/bouncycastle/asn1/DERBMPString.java
new file mode 100644 (file)
index 0000000..8a58b4a
--- /dev/null
+++ b/src/org/bouncycastle/asn1/DERBMPString.java
@@ -0,0 +1,59 @@
+package org.bouncycastle.asn1;
+
+import java.io.*;
+
+/**
+ * DER BMPString object.
+ */
+public class DERBMPString
+    extends DERObject
+    implements DERString
+{
+    String  string;
+
+    /**
+     * basic constructor - byte encoded string.
+     */
+    public DERBMPString(
+        byte[]   string)
+    {
+           try
+           {
+            this.string = new String(string, "UnicodeBig");
+           }
+           catch (UnsupportedEncodingException e)
+           {
+            throw new RuntimeException(e.toString());
+           }
+    }
+
+    /**
+     * basic constructor
+     */
+    public DERBMPString(
+        String   string)
+    {
+        this.string = string;
+    }
+
+    public String getString()
+    {
+        return string;
+    }
+
+    void encode(
+        DEROutputStream  out)
+        throws IOException
+    {
+        char[]  c = string.toCharArray();
+        byte[]  b = new byte[c.length * 2];
+
+        for (int i = 0; i != c.length; i++)
+        {
+            b[2 * i] = (byte)((c[i] & 0xff00) >> 8);
+            b[2 * i + 1] = (byte)c[i];
+        }
+
+        out.writeEncoded(BMP_STRING, b);
+    }
+}