Author: elecharny
Date: Sat Apr 30 16:10:37 2005
New Revision: 165429
URL: http://svn.apache.org/viewcvs?rev=165429&view=rev
Log:
Implemented the OctetString ASN.1 primitive.
Modified:
directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/primitives/OctetString.java
Modified:
directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/primitives/OctetString.java
URL:
http://svn.apache.org/viewcvs/directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/primitives/OctetString.java?rev=165429&r1=165428&r2=165429&view=diff
==============================================================================
---
directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/primitives/OctetString.java
(original)
+++
directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/primitives/OctetString.java
Sat Apr 30 16:10:37 2005
@@ -16,9 +16,202 @@
*/
package org.apache.asn1.primitives;
+import org.apache.asn1.util.StringUtils;
+import org.apache.asn1.util.pools.PoolObject;
+
+
/**
+ * Emplement the Octet String primitive type.
+ *
* @author <a href="mailto:[email protected]";>Apache Directory
Project</a>
*/
-public class OctetString {
+public class OctetString extends PoolObject
+{
+ //~ Static fields/initializers
-----------------------------------------------------------------
+
+ /** A null MutableString */
+ public static final OctetString EMPTY_STRING = new OctetString();
+
+ /** A flag to mark the OctetString as Streamed (for OctetString larger
than 1024 chars) */
+ // TODO implement the streaming...
+ public static final boolean STREAMED = true;
+
+ /** The default length of an octet string */
+ private static final int DEFAULT_LENGTH = 1024;
+
+ //~ Instance fields
----------------------------------------------------------------------------
+
+ /** Tells if the OctetString is streamed or not */
+ private boolean isStreamed;
+
+ /** The string is stored in a char array */
+ private byte[] bytes;
+
+ /** Actual length of the string */
+ private int length;
+
+ //~ Constructors
-------------------------------------------------------------------------------
+
+ /**
+ * Creates a OctetString, with a default length.
+ */
+ public OctetString()
+ {
+ bytes = new byte[DEFAULT_LENGTH];
+ length = 0;
+ isStreamed = false;
+ }
+
+ /**
+ * Creates a OctetString with a specific length.
+ * @param length DOCUMENT ME!
+ */
+ public OctetString( int length )
+ {
+ this.length = length;
+
+ if ( length > DEFAULT_LENGTH )
+ {
+
+ // TODO : implement the streaming
+ isStreamed = true;
+ bytes = new byte[length];
+ }
+ else
+ {
+ isStreamed = false;
+ bytes = new byte[length];
+ }
+ }
+
+ /**
+ * Creates a streamed OctetString with a specific length.
+ * Actually, it's just a simple OctetString.
+ * TODO Implement streaming.
+ * @param length The OctetString length
+ * @param isStreamed Tells if the OctetString must be streamed or not
+ */
+ public OctetString( int length, boolean isStreamed )
+ {
+ this.isStreamed = isStreamed;
+ this.length = length;
+
+ if ( isStreamed )
+ {
+
+ // TODO : implement the streaming
+ bytes = new byte[length];
+ }
+ else
+ {
+ bytes = new byte[length];
+
+ }
+ }
+
+ /**
+ * Creates a OctetString with a value.
+ *
+ * @param bytes The value to store.
+ */
+ public OctetString( byte[] bytes )
+ {
+ length = bytes.length;
+
+ if ( length > DEFAULT_LENGTH )
+ {
+ isStreamed = true;
+
+ // It will be a streamed OctetString.
+ // TODO : implement the streaming
+ this.bytes = new byte[length];
+
+ // We have to copy the data, because the parameter
+ // is not a copy.
+ System.arraycopy( bytes, 0, this.bytes, 0, length );
+ }
+ else
+ {
+ isStreamed = false;
+
+ this.bytes = new byte[length];
+
+ // We have to copy the data, because the parameter
+ // is not a copy.
+ System.arraycopy( bytes, 0, this.bytes, 0, length );
+ }
+ }
+
+ //~ Methods
------------------------------------------------------------------------------------
+
+ /**
+ * Set a new octetString in the OctetString. It will replace the old
OctetString,
+ * and reset the current length with the new one.
+ *
+ * @param bytes The string to store
+ */
+ public void setData( byte[] bytes )
+ {
+ length = bytes.length;
+
+ if ( length > DEFAULT_LENGTH )
+ {
+
+ if ( this.bytes.length < length )
+ {
+
+ // The current size is too small.
+ // We have to allocate more space
+ // It will be a streamed OctetString.
+ // TODO : implement the streaming
+ this.bytes = new byte[length];
+ }
+
+ // We have to copy the data, because the parameter
+ // is not a copy.
+ System.arraycopy( bytes, 0, this.bytes, 0, length );
+ }
+ else
+ {
+
+ // We have to copy the data, because the parameter
+ // is not a copy.
+ System.arraycopy( bytes, 0, this.bytes, 0, length );
+ }
+ }
+
+ /**
+ * Get the data stored into the OctetString
+ * @return A byte array
+ */
+ public byte[] getValue()
+ {
+ return bytes;
+ }
+
+ /**
+ * Return a native String representation of the OctetString.
+ * @return DOCUMENT ME!
+ */
+ public String toString()
+ {
+
+ StringBuffer sb = new StringBuffer();
+
+ for ( int i = 0; i < length; i++ )
+ {
+ sb.append( StringUtils.dumpByte( bytes[i] ) );
+ }
+
+ return sb.toString();
+ }
+ /**
+ * Tells if the OctetString is streamed or not
+ * @return <code>true</code> if the OctetString is streamed.
+ */
+ public boolean isStreamed()
+ {
+ return isStreamed;
+ }
}
