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/*
 * $Header: /home/cvs/jakarta-commons/httpclient/src/test/org/apache/commons/httpclient/server/RequestLine.java,v 1.1.2.2 2003/11/24 20:39:26 oglueck Exp $
 * $Revision: 1.1.2.2 $
 * $Date: 2003/11/24 20:39:26 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, 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 acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", 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 names without prior written
 *    permission of the Apache Group.
 *
 * 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 (INCLUDING, 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
 * .
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package org.apache.commons.httpclient.server;

import java.util.NoSuchElementException;
import java.util.StringTokenizer;

/**
 * Defines a HTTP request-line, consisting of method name, URI and protocol.
 * Instances of this class are immutable.
 * 
 * @author Christian Kohlschuetter
 */
public class RequestLine {
    private String method, uri, protocol;

    public static RequestLine parseLine(String l) {
        String method = null;
        String uri = null;
        String protocol = null;
        try {
            StringTokenizer st = new StringTokenizer(l, " ");
            method = st.nextToken();
            uri = st.nextToken();
            protocol = st.nextToken();
        } catch (NoSuchElementException e) {
        }

        return new RequestLine(method, uri, protocol);
    }
    
    public RequestLine(String method, String uri, String protocol) {
        this.method = method;
        this.uri = uri;
        this.protocol = protocol;
    }

    public String getMethod() {
        return method;
    }

    public String getProtocol() {
        return protocol;
    }

    public String getUri() {
        return uri;
    }

    public String toString() {
        StringBuffer sb = new StringBuffer();
        if(method != null) {
            sb.append(method);
            if(uri != null) {
                sb.append(" ");
                sb.append(uri);
                if(protocol != null) {
                    sb.append(" ");
                    sb.append(protocol);
                }
            }
        }
        return sb.toString();
    }
}
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