| /* |
| * 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 gov.nist.javax.sip.header; |
| |
| import gov.nist.javax.sip.message.SIPRequest; |
| |
| import javax.sip.InvalidArgumentException; |
| import javax.sip.header.CSeqHeader; |
| import java.text.ParseException; |
| |
| /** |
| * CSeq SIP Header. |
| * |
| * @author M. Ranganathan <br/> |
| * @version 1.2 $Revision: 1.10 $ $Date: 2009/10/18 13:46:33 $ |
| * @since 1.1 |
| * |
| */ |
| |
| public class CSeq extends SIPHeader implements javax.sip.header.CSeqHeader { |
| |
| /** |
| * Comment for <code>serialVersionUID</code> |
| */ |
| private static final long serialVersionUID = -5405798080040422910L; |
| |
| /** |
| * seqno field |
| */ |
| protected Long seqno; |
| |
| /** |
| * method field |
| */ |
| protected String method; |
| |
| /** |
| * Constructor. |
| */ |
| public CSeq() { |
| super(CSEQ); |
| } |
| |
| /** |
| * Constructor given the sequence number and method. |
| * |
| * @param seqno is the sequence number to assign. |
| * @param method is the method string. |
| */ |
| public CSeq(long seqno, String method) { |
| this(); |
| this.seqno = Long.valueOf(seqno); |
| this.method = SIPRequest.getCannonicalName(method); |
| } |
| |
| /** |
| * Compare two cseq headers for equality. |
| * @param other Object to compare against. |
| * @return true if the two cseq headers are equals, false |
| * otherwise. |
| */ |
| public boolean equals(Object other) { |
| |
| if (other instanceof CSeqHeader) { |
| final CSeqHeader o = (CSeqHeader) other; |
| return this.getSeqNumber() == o.getSeqNumber() |
| && this.getMethod().equals( o.getMethod() ); |
| } |
| return false; |
| } |
| |
| /** |
| * Return canonical encoded header. |
| * @return String with canonical encoded header. |
| */ |
| public String encode() { |
| return headerName + COLON + SP + encodeBody() + NEWLINE; |
| } |
| |
| /** |
| * Return canonical header content. (encoded header except headerName:) |
| * |
| * @return encoded string. |
| */ |
| public String encodeBody() { |
| return encodeBody(new StringBuffer()).toString(); |
| } |
| |
| protected StringBuffer encodeBody(StringBuffer buffer) { |
| return buffer.append(seqno).append(SP).append(method.toUpperCase()); |
| } |
| |
| /** |
| * Get the method. |
| * @return String the method. |
| */ |
| public String getMethod() { |
| return method; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see javax.sip.header.CSeqHeader#setSequenceNumber(long) |
| */ |
| public void setSeqNumber(long sequenceNumber) |
| throws InvalidArgumentException { |
| if (sequenceNumber < 0 ) |
| throw new InvalidArgumentException( |
| "JAIN-SIP Exception, CSeq, setSequenceNumber(), " |
| + "the sequence number parameter is < 0 : " + sequenceNumber); |
| else if ( sequenceNumber > ((long)1)<<32 - 1) |
| throw new InvalidArgumentException( |
| "JAIN-SIP Exception, CSeq, setSequenceNumber(), " |
| + "the sequence number parameter is too large : " + sequenceNumber); |
| |
| seqno = Long.valueOf(sequenceNumber); |
| } |
| |
| /** |
| * For backwards compatibility |
| */ |
| public void setSequenceNumber(int sequenceNumber) throws InvalidArgumentException { |
| this.setSeqNumber( (long) sequenceNumber ); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see javax.sip.header.CSeqHeader#setMethod(java.lang.String) |
| */ |
| public void setMethod(String meth) throws ParseException { |
| if (meth == null) |
| throw new NullPointerException( |
| "JAIN-SIP Exception, CSeq" |
| + ", setMethod(), the meth parameter is null"); |
| this.method = SIPRequest.getCannonicalName(meth); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see javax.sip.header.CSeqHeader#getSequenceNumber() |
| */ |
| public int getSequenceNumber() { |
| if (this.seqno == null) |
| return 0; |
| else |
| return this.seqno.intValue(); |
| } |
| |
| |
| |
| |
| public long getSeqNumber() { |
| return this.seqno.longValue(); |
| } |
| |
| |
| } |
| |