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/*
 * Response.java
 * Copyright (C) 2004 The Free Software Foundation
 * 
 * This file is part of GNU inetlib, a library.
 * 
 * GNU inetlib is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * GNU inetlib is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Linking this library statically or dynamically with other modules is
 * making a combined work based on this library.  Thus, the terms and
 * conditions of the GNU General Public License cover the whole
 * combination.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obliged to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

package gnu.inet.http;

import java.util.Date;

/**
 * An HTTP response.
 *
 * @author Chris Burdess
 */
public class Response
{

  /**
   * The HTTP major version of the server issuing the response.
   */
  protected final int majorVersion;

  /**
   * The HTTP minor version of the server issuing the response.
   */
  protected final int minorVersion;

  /**
   * The HTTP status code of the response.
   */ 
  protected final int code;

  /**
   * The class of the response. This is the most significant digit of the
   * status code.
   * 
   * 1xx
 Informational response
   * 2xx
 Success
   * 3xx
 Redirection
   * 4xx
 Client error
   * 5xx
 Server error
   * 
   */
  protected final int codeClass;

  /**
   * Human-readable text of the response.
   */
  protected final String message;

  /**
   * The response headers.
   */
  protected final Headers headers;

  /**
   * Constructs a new response with the specified parameters.
   */
  protected Response(int majorVersion, int minorVersion, int code,
                     int codeClass, String message,
                     Headers headers)
  {
    this.majorVersion = majorVersion;
    this.minorVersion = minorVersion;
    this.code = code;
    this.codeClass = codeClass;
    this.message = message;
    this.headers = headers;
  }

  /**
   * Returns the HTTP major version of the server issuing the response.
   * @see #majorVersion
   */
  public int getMajorVersion()
  {
    return majorVersion;
  }

  /**
   * Returns the HTTP minor version of the server issuing the response.
   * @see #minorVersion
   */
  public int getMinorVersion()
  {
    return minorVersion;
  }

  /**
   * Returns the HTTP status code of the response.
   * @see #code
   */ 
  public int getCode()
  {
    return code;
  }

  /**
   * Returns the class of the response.
   * @see #codeClass
   */
  public int getCodeClass()
  {
    return codeClass;
  }

  /**
   * Returns the human-readable text of the response.
   * @see #message
   */
  public String getMessage()
  {
    return message;
  }

  /**
   * Returns the headers in the response.
   */
  public Headers getHeaders()
  {
    return headers;
  }

  /**
   * Returns the header value for the specified name.
   * @param name the header name
   */
  public String getHeader(String name)
  {
    return headers.getValue(name);
  }

  /**
   * Returns the header value for the specified name as an integer.
   * @param name the header name
   */
  public int getIntHeader(String name)
  {
    return headers.getIntValue(name);
  }

  /**
   * Returns the header value for the specified name as a date.
   * @param name the header name
   */
  public Date getDateHeader(String name)
  {
    return headers.getDateValue(name);
  }

}