content: /*
  * Conditions Of Use
  *
  * This software was developed by employees of the National Institute of
  * Standards and Technology (NIST), an agency of the Federal Government.
  * Pursuant to title 15 Untied States Code Section 105, works of NIST
  * employees are not subject to copyright protection in the United States
  * and are considered to be in the public domain.  As a result, a formal
  * license is not needed to use the software.
  *
  * This software is provided by NIST as a service and is expressly
  * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
  * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
  * AND DATA ACCURACY.  NIST does not warrant or make any representations
  * regarding the use of the software or the results thereof, including but
  * not limited to the correctness, accuracy, reliability or usefulness of
  * the software.
  *
  * Permission to use this software is contingent upon your acceptance
  * of the terms of this agreement
  *
  * .
  *
  */
  /*******************************************************************************
  * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
  *******************************************************************************/
  package gov2.nist.javax2.sip.header;
  
  import javax2.sip.address.URI;
  
  import gov2.nist.javax2.sip.address.*;
  
  /**
   * RequestLine of SIP Request.
   *
   * @version 1.2 $Revision: 1.8 $ $Date: 2009/09/15 02:55:27 $
   * @author M. Ranganathan
   */
  public class RequestLine extends SIPObject implements SipRequestLine {
  
      /**
       * Comment for <code>serialVersionUID</code>
       */
      private static final long serialVersionUID = -3286426172326043129L;
  
      /** uri field. Note that this can be a SIP URI or a generic URI
      * like tel URI.
       */
      protected GenericURI uri;
  
      /** method field.
       */
      protected String method;
  
      /** sipVersion field
       */
      protected String sipVersion;
  
      /** Default constructor
       */
      public RequestLine() {
          sipVersion = "SIP/2.0";
      }
  
     
      /** Encode the request line as a String.
      *
       * @return requestLine encoded as a string.
       */
      public String encode() {
          return encode(new StringBuffer()).toString();
      }
  
      public StringBuffer encode(StringBuffer buffer) {
          if (method != null) {
              buffer.append(method);
              buffer.append(SP);
          }
          if (uri != null) {
              uri.encode(buffer);
              buffer.append(SP);
          }
          buffer.append(sipVersion);
          buffer.append(NEWLINE);
          return buffer;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#getUri()
       */
      public GenericURI getUri() {
          return uri;
      }
  
      /** Constructor given the request URI and the method.
      */
      public RequestLine(GenericURI requestURI, String method) {
          this.uri = requestURI;
          this.method = method;
          this.sipVersion = "SIP/2.0";
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#getMethod()
       */
      public String getMethod() {
          return method;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#getSipVersion()
       */
      public String getSipVersion() {
          return sipVersion;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#setUri(gov2.nist.javax2.sip.address.GenericURI)
       */
      public void setUri(URI uri) {
          this.uri = (GenericURI)uri;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#setMethod(java.lang.String)
       */
      public void setMethod(String method) {
          this.method = method;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#setSipVersion(java.lang.String)
       */
      public void setSipVersion(String version) {
          this.sipVersion = version;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#getVersionMajor()
       */
      public String getVersionMajor() {
          if (sipVersion == null)
              return null;
          String major = null;
          boolean slash = false;
          for (int i = 0; i < sipVersion.length(); i++) {
              if (sipVersion.charAt(i) == '.')
                  break;
              if (slash) {
                  if (major == null)
                      major = "" + sipVersion.charAt(i);
                  else
                      major += sipVersion.charAt(i);
              }
              if (sipVersion.charAt(i) == '/')
                  slash = true;
          }
          return major;
      }
  
      /* (non-Javadoc)
       * @see gov2.nist.javax2.sip.header.SipRequestLine#getVersionMinor()
       */
      public String getVersionMinor() {
          if (sipVersion == null)
              return null;
          String minor = null;
          boolean dot = false;
          for (int i = 0; i < sipVersion.length(); i++) {
              if (dot) {
                  if (minor == null)
                      minor = "" + sipVersion.charAt(i);
                  else
                      minor += sipVersion.charAt(i);
              }
              if (sipVersion.charAt(i) == '.')
                  dot = true;
          }
          return minor;
      }
  
      /**
      * Compare for equality.
      *
      *@param other object to compare with. We assume that all fields
      * are set.
      */
      public boolean equals(Object other) {
          boolean retval;
          if (!other.getClass().equals(this.getClass())) {
              return false;
          }
          RequestLine that = (RequestLine) other;
          try {
              retval =
                  this.method.equals(that.method)
                      && this.uri.equals(that.uri)
                      && this.sipVersion.equals(that.sipVersion);
          } catch (NullPointerException ex) {
              retval = false;
          }
          return retval;
      }
  
      public Object clone() {
          RequestLine retval = (RequestLine) super.clone();
          if (this.uri != null)
              retval.uri = (GenericURI) this.uri.clone();
          return retval;
      }
  }
  /*
   * $Log: RequestLine.java,v $
   * Revision 1.8  2009/09/15 02:55:27  mranga
   * Issue number:  222
   * Add HeaderFactoryExt.createStatusLine(String) and HeaderFactoryExt.createRequestLine(String)
   * Allows users to easily parse SipFrag bodies (for example NOTIFY bodies
   * during call transfer).
   *
   * Revision 1.7  2009/07/17 18:57:36  emcho
   * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
   *
   * Revision 1.6  2007/02/12 15:19:23  belangery
   * Changed the encode() and encodeBody() methods of SIP headers and basic classes to make them use the same StringBuffer instance during the encoding phase.
   *
   * Revision 1.5  2006/07/13 09:01:26  mranga
   * Issue number:
   * Obtained from:
   * Submitted by:  jeroen van bemmel
   * Reviewed by:   mranga
   * Moved some changes from jain-sip-1.2 to java.net
   *
   * CVS: ----------------------------------------------------------------------
   * CVS: Issue number:
   * CVS:   If this change addresses one or more issues,
   * CVS:   then enter the issue number(s) here.
   * CVS: Obtained from:
   * CVS:   If this change has been taken from another system,
   * CVS:   then name the system in this line, otherwise delete it.
   * CVS: Submitted by:
   * CVS:   If this code has been contributed to the project by someone else; i.e.,
   * CVS:   they sent us a patch or a set of diffs, then include their name/email
   * CVS:   address here. If this is your work then delete this line.
   * CVS: Reviewed by:
   * CVS:   If we are doing pre-commit code reviews and someone else has
   * CVS:   reviewed your changes, include their name(s) here.
   * CVS:   If you have not had it reviewed then delete this line.
   *
   * Revision 1.3  2006/06/19 06:47:26  mranga
   * javadoc fixups
   *
   * Revision 1.2  2006/06/16 15:26:28  mranga
   * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
   *
   * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
   *
   * Import
   *
   *
   * Revision 1.3  2005/04/16 20:38:50  dmuresan
   * Canonical clone() implementations for the GenericObject and GenericObjectList hierarchies
   *
   * Revision 1.2  2004/01/22 13:26:29  sverker
   * Issue number:
   * Obtained from:
   * Submitted by:  sverker
   * Reviewed by:   mranga
   *
   * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
   *
   * CVS: ----------------------------------------------------------------------
   * CVS: Issue number:
   * CVS:   If this change addresses one or more issues,
   * CVS:   then enter the issue number(s) here.
   * CVS: Obtained from:
   * CVS:   If this change has been taken from another system,
   * CVS:   then name the system in this line, otherwise delete it.
   * CVS: Submitted by:
   * CVS:   If this code has been contributed to the project by someone else; i.e.,
   * CVS:   they sent us a patch or a set of diffs, then include their name/email
   * CVS:   address here. If this is your work then delete this line.
   * CVS: Reviewed by:
   * CVS:   If we are doing pre-commit code reviews and someone else has
   * CVS:   reviewed your changes, include their name(s) here.
   * CVS:   If you have not had it reviewed then delete this line.
   *
   */
  