/*
 * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/connector/http/HttpRequestLine.java,v 1.5 2001/07/22 20:25:07 pier Exp $
 * $Revision: 1.5 $
 * $Date: 2001/07/22 20:25:07 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 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", "Tomcat", 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
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.catalina.connector.http;


import java.io.IOException;
import java.net.InetAddress;
import javax.servlet.ServletInputStream;
import org.apache.catalina.connector.HttpRequestBase;


/**
 * HTTP request line enum type.
 *
 * @author Remy Maucherat
 * @version $Revision: 1.5 $ $Date: 2001/07/22 20:25:07 $
 */

final class HttpRequestLine {


    // -------------------------------------------------------------- Constants


    public static final int INITIAL_METHOD_SIZE = 8;
    public static final int INITIAL_URI_SIZE = 64;
    public static final int INITIAL_PROTOCOL_SIZE = 8;
    public static final int MAX_METHOD_SIZE = 1024;
    public static final int MAX_URI_SIZE = 32768;
    public static final int MAX_PROTOCOL_SIZE = 1024;


    // ----------------------------------------------------------- Constructors


    public HttpRequestLine() {

        this(new char[INITIAL_METHOD_SIZE], 0, new char[INITIAL_URI_SIZE], 0,
             new char[INITIAL_PROTOCOL_SIZE], 0);

    }


    public HttpRequestLine(char[] method, int methodEnd,
                           char[] uri, int uriEnd,
                           char[] protocol, int protocolEnd) {

        this.method = method;
        this.methodEnd = methodEnd;
        this.uri = uri;
        this.uriEnd = uriEnd;
        this.protocol = protocol;
        this.protocolEnd = protocolEnd;

    }


    // ----------------------------------------------------- Instance Variables


    public char[] method;
    public int methodEnd;
    public char[] uri;
    public int uriEnd;
    public char[] protocol;
    public int protocolEnd;


    // ------------------------------------------------------------- Properties


    // --------------------------------------------------------- Public Methods


    /**
     * Release all object references, and initialize instance variables, in
     * preparation for reuse of this object.
     */
    public void recycle() {

        methodEnd = 0;
        uriEnd = 0;
        protocolEnd = 0;

    }


    /**
     * Test if the uri includes the given char array.
     */
    public int indexOf(char[] buf) {
        return indexOf(buf, buf.length);
    }


    /**
     * Test if the value of the header includes the given char array.
     */
    public int indexOf(char[] buf, int end) {
        char firstChar = buf[0];
        int pos = 0;
        while (pos < uriEnd) {
            pos = indexOf(firstChar, pos);
            if (pos == -1)
                return -1;
            if ((uriEnd - pos) < end)
                return -1;
            for (int i = 0; i < end; i++) {
                if (uri[i + pos] != buf[i])
                    break;
                if (i == (end-1))
                    return pos;
            }
            pos++;
        }
        return -1;
    }


    /**
     * Test if the value of the header includes the given string.
     */
    public int indexOf(String str) {
        return indexOf(str.toCharArray(), str.length());
    }


    /**
     * Returns the index of a character in the value.
     */
    public int indexOf(char c, int start) {
        for (int i=start; i<uriEnd; i++) {
            if (uri[i] == c)
                return i;
        }
        return -1;
    }


    // --------------------------------------------------------- Object Methods


    public int hashCode() {
        // FIXME
        return 0;
    }


    public boolean equals(Object obj) {
        return false;
    }


}
