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diff --git a/src/org/apache/http/message/BasicStatusLine.java b/src/org/apache/http/message/BasicStatusLine.java
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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/message/BasicStatusLine.java $
+ * $Revision: 604625 $
+ * $Date: 2007-12-16 06:11:11 -0800 (Sun, 16 Dec 2007) $
+ *
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * 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.http.message;
+
+import org.apache.http.HttpStatus;
+import org.apache.http.ProtocolVersion;
+import org.apache.http.StatusLine;
+
+
+
+/**
+ * Represents a status line as returned from a HTTP server.
+ * See <a href="http://www.ietf.org/rfc/rfc2616.txt">RFC2616</a> section 6.1.
+ * This class is immutable and therefore inherently thread safe.
+ *
+ * @see HttpStatus
+ * @author <a href="mailto:jsdever@apache.org">Jeff Dever</a>
+ * @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
+ *
+ * @version $Id: BasicStatusLine.java 604625 2007-12-16 14:11:11Z olegk $
+ * 
+ * @since 4.0
+ */
+public class BasicStatusLine implements StatusLine, Cloneable {
+
+    // ----------------------------------------------------- Instance Variables
+
+    /** The protocol version. */
+    private final ProtocolVersion protoVersion;
+
+    /** The status code. */
+    private final int statusCode;
+
+    /** The reason phrase. */
+    private final String reasonPhrase;
+
+    // ----------------------------------------------------------- Constructors
+    /**
+     * Creates a new status line with the given version, status, and reason.
+     *
+     * @param version           the protocol version of the response
+     * @param statusCode        the status code of the response
+     * @param reasonPhrase      the reason phrase to the status code, or
+     *                          <code>null</code>
+     */
+    public BasicStatusLine(final ProtocolVersion version, int statusCode,
+                           final String reasonPhrase) {
+        super();
+        if (version == null) {
+            throw new IllegalArgumentException
+                ("Protocol version may not be null.");
+        }
+        if (statusCode < 0) {
+            throw new IllegalArgumentException
+                ("Status code may not be negative.");
+        }
+        this.protoVersion = version;
+        this.statusCode   = statusCode;
+        this.reasonPhrase = reasonPhrase;
+    }
+
+    // --------------------------------------------------------- Public Methods
+
+    /**
+     * @return the Status-Code
+     */
+    public int getStatusCode() {
+        return this.statusCode;
+    }
+
+    /**
+     * @return the HTTP-Version
+     */
+    public ProtocolVersion getProtocolVersion() {
+        return this.protoVersion;
+    }
+
+    /**
+     * @return the Reason-Phrase
+     */
+    public String getReasonPhrase() {
+        return this.reasonPhrase;
+    }
+
+    public String toString() {
+        // no need for non-default formatting in toString()
+        return BasicLineFormatter.DEFAULT
+            .formatStatusLine(null, this).toString();
+    }
+    
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+    
+}