1 files changed, 124 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/asn1/DERGraphicString.java b/bcprov/src/main/java/org/bouncycastle/asn1/DERGraphicString.java
new file mode 100644
index 00000000..01baf0f9
--- /dev/null
+++ b/bcprov/src/main/java/org/bouncycastle/asn1/DERGraphicString.java
@@ -0,0 +1,124 @@
+package org.bouncycastle.asn1;
+
+import java.io.IOException;
+
+import org.bouncycastle.util.Arrays;
+import org.bouncycastle.util.Strings;
+
+public class DERGraphicString
+    extends ASN1Primitive
+    implements ASN1String
+{
+    private final byte[] string;
+    
+    /**
+     * return a Graphic String from the passed in object
+     *
+     * @param obj a DERGraphicString or an object that can be converted into one.
+     * @exception IllegalArgumentException if the object cannot be converted.
+     * @return a DERGraphicString instance, or null.
+     */
+    public static DERGraphicString getInstance(
+        Object  obj)
+    {
+        if (obj == null || obj instanceof DERGraphicString)
+        {
+            return (DERGraphicString)obj;
+        }
+
+        if (obj instanceof byte[])
+        {
+            try
+            {
+                return (DERGraphicString)fromByteArray((byte[])obj);
+            }
+            catch (Exception e)
+            {
+                throw new IllegalArgumentException("encoding error in getInstance: " + e.toString());
+            }
+        }
+
+        throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
+    }
+
+    /**
+     * return a Graphic 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.
+     * @return a DERGraphicString instance, or null.
+     */
+    public static DERGraphicString getInstance(
+        ASN1TaggedObject obj,
+        boolean          explicit)
+    {
+        ASN1Primitive o = obj.getObject();
+
+        if (explicit || o instanceof DERGraphicString)
+        {
+            return getInstance(o);
+        }
+        else
+        {
+            return new DERGraphicString(((ASN1OctetString)o).getOctets());
+        }
+    }
+
+    /**
+     * basic constructor - with bytes.
+     * @param string the byte encoding of the characters making up the string.
+     */
+    public DERGraphicString(
+        byte[]   string)
+    {
+        this.string = Arrays.clone(string);
+    }
+    
+    public byte[] getOctets()
+    {
+        return Arrays.clone(string);
+    }
+
+    boolean isConstructed()
+    {
+        return false;
+    }
+
+    int encodedLength()
+    {
+        return 1 + StreamUtil.calculateBodyLength(string.length) + string.length;
+    }
+
+    void encode(
+        ASN1OutputStream out)
+        throws IOException
+    {
+        out.writeEncoded(BERTags.GRAPHIC_STRING, string);
+    }
+
+    public int hashCode()
+    {
+        return Arrays.hashCode(string);
+    }
+
+    boolean asn1Equals(
+        ASN1Primitive o)
+    {
+        if (!(o instanceof DERGraphicString))
+        {
+            return false;
+        }
+
+        DERGraphicString  s = (DERGraphicString)o;
+
+        return Arrays.areEqual(string, s.string);
+    }
+
+    public String getString()
+    {
+        return Strings.fromByteArray(string);
+    }
+}