org.zoolu.sip.call
Class SdpTools

java.lang.Object
  |
  +--org.zoolu.sip.call.SdpTools

public class SdpTools

extends java.lang.Object

Class SdpTools collects some static methods for managing SDP materials.

Constructor Summary

SdpTools()

Method Summary

static SessionDescriptor	sdpAttirbuteSelection(SessionDescriptor sdp, java.lang.String a_name) Costructs a new SessionDescriptor from a given SessionDescriptor with olny the first specified media attribute.
static SessionDescriptor	sdpMediaProduct(SessionDescriptor sdp, java.util.Vector m_descs) Costructs a new SessionDescriptor from a given SessionDescriptor with olny media types and attribute values specified by a MediaDescriptor Vector.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SdpTools

public SdpTools()

Method Detail

sdpMediaProduct

public static SessionDescriptor sdpMediaProduct(SessionDescriptor sdp,
                                                java.util.Vector m_descs)

Costructs a new SessionDescriptor from a given SessionDescriptor with olny media types and attribute values specified by a MediaDescriptor Vector.

If no attribute is specified for a particular media, all present attributes are kept.
If no attribute is present for a selected media, the media is kept (regardless any sepcified attributes).

Parameters:

sdp - the given SessionDescriptor

m_descs - Vector of MediaDescriptor with the selecting media types and attributes

Returns:

this SessionDescriptor

sdpAttirbuteSelection

public static SessionDescriptor sdpAttirbuteSelection(SessionDescriptor sdp,
                                                      java.lang.String a_name)

Costructs a new SessionDescriptor from a given SessionDescriptor with olny the first specified media attribute. /** Keeps only the fisrt attribute of the specified type for each media.

If no attribute is present for a media, the media is dropped.

Parameters:

sdp - the given SessionDescriptor

a_name - the attribute name

Returns:

this SessionDescriptor