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From wesmck...@apache.org
Subject svn commit: rev 6589 - incubator/directory/snickers/trunk/ber/src/java/org/apache/snickers/asn
Date Sun, 08 Feb 2004 14:46:02 GMT
Author: wesmckean
Date: Sun Feb  8 06:46:01 2004
New Revision: 6589

Added:
   incubator/directory/snickers/trunk/ber/src/java/org/apache/snickers/asn/ASNFactory.java
Log:
Initial load.

Added: incubator/directory/snickers/trunk/ber/src/java/org/apache/snickers/asn/ASNFactory.java
==============================================================================
--- (empty file)
+++ incubator/directory/snickers/trunk/ber/src/java/org/apache/snickers/asn/ASNFactory.java
Sun Feb  8 06:46:01 2004
@@ -0,0 +1,91 @@
+/*
+
+ ============================================================================
+                   The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of  source code must  retain the above copyright  notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+    include  the following  acknowledgment:  "This product includes  software
+    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
+    Alternately, this  acknowledgment may  appear in the software itself,  if
+    and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "Eve Directory Server", "Apache Directory Project", "Apache Eve" 
+    and "Apache Software Foundation"  must not be used to endorse or promote
+    products derived  from this  software without  prior written
+    permission. For written permission, please contact apache@apache.org.
+
+ 5. Products  derived from this software may not  be called "Apache", nor may
+    "Apache" appear  in their name,  without prior written permission  of the
+    Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
+ APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
+ ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
+ (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software  consists of voluntary contributions made  by many individuals
+ on  behalf of the Apache Software  Foundation. For more  information on the
+ Apache Software Foundation, please see <http://www.apache.org/>.
+
+*/
+package org.apache.snickers.asn;
+
+import org.apache.snickers.ber.BERDecoder;
+
+/**
+ * This factory is responsible for retreiving the proper
+ * encoder or decoder per request.  This has been put into
+ * a factory in case we want singleton instances of some
+ * codecs, and per instance use of others.
+ * 
+ * @author <a href="mailto:wesmckean@apache.org">Wes McKean</a>
+ * @author $Author$
+ * @version $Rev$ 
+ */
+public class ASNFactory {
+
+    /** Singleton instance of our BERDecoder */
+    private static final BERDecoder berDecoder = new BERDecoder();
+    
+	/**
+	 * Basic constructor for ASNFactory 
+	 */
+	public ASNFactory() {
+		super();
+	}
+
+    /**
+     * Retrieve a decoder based on the encoding requested.  We put
+     * this here so that we can have singleton instances of some
+     * decoders, and others can return a new object every time.
+     * 
+     * @param encoding The encoding, current BER is only supported
+     * @return the decoder requested, or <code>null<code> if the
+     *         requested encoding is not supported. 
+     */
+    public static ASNDecoder getDecoder( String encoding ) {
+        if( encoding.equals("BER") )
+            return berDecoder;
+            
+        return null;
+    }
+}

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