nullmembershipservice.html

jxta的api库

</DD>
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<A NAME="getImplAdvertisement()"><!-- --></A><H3>
getImplAdvertisement</H3>
<PRE>
public <A HREF="../../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A> <B>getImplAdvertisement</B>()</PRE>
<DL>
<DD>Returns the advertisment for this service.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/service/Service.html#getImplAdvertisement()">getImplAdvertisement</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/service/Service.html" title="interface in net.jxta.service">Service</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Advertisement the advertisement.</DL>
</DD>
</DL>
<HR>

<A NAME="apply(net.jxta.credential.AuthenticationCredential)"><!-- --></A><H3>
apply</H3>
<PRE>
public <A HREF="../../../../net/jxta/membership/Authenticator.html" title="interface in net.jxta.membership">Authenticator</A> <B>apply</B>(<A HREF="../../../../net/jxta/credential/AuthenticationCredential.html" title="class in net.jxta.credential">AuthenticationCredential</A>&nbsp;application)
                    throws <A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A>,
                           <A HREF="../../../../net/jxta/exception/ProtocolNotSupportedException.html" title="class in net.jxta.exception">ProtocolNotSupportedException</A></PRE>
<DL>
<DD>Request the necessary credentials to join the group with which this
 service is associated.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#apply(net.jxta.credential.AuthenticationCredential)">apply</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>application</CODE> - The authenticationCredential associated with this
 membership application. See
 <A HREF="../../../../net/jxta/credential/AuthenticationCredential.html" title="class in net.jxta.credential"><CODE>AuthenticationCredential</CODE></A>
 for more information.
<DT><B>Returns:</B><DD>PeerGroupCredential the desired credential
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></CODE> - Thrown in the event of errors. This exception
 spec is currently a placeholder and needs to be narrowed.
<DD><CODE><A HREF="../../../../net/jxta/exception/ProtocolNotSupportedException.html" title="class in net.jxta.exception">ProtocolNotSupportedException</A></CODE> - if the authentication method requested
       in the application is not supported by this service.</DL>
</DD>
</DL>
<HR>

<A NAME="getDefaultCredential()"><!-- --></A><H3>
getDefaultCredential</H3>
<PRE>
public <A HREF="../../../../net/jxta/credential/Credential.html" title="interface in net.jxta.credential">Credential</A> <B>getDefaultCredential</B>()</PRE>
<DL>
<DD>Returns the default credential for this peer. This is normally the
 "nobody" credential which is provided by default.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#getDefaultCredential()">getDefaultCredential</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentCredentials()"><!-- --></A><H3>
getCurrentCredentials</H3>
<PRE>
public java.util.Enumeration <B>getCurrentCredentials</B>()</PRE>
<DL>
<DD>Returns the current credentials for this peer. The elements of the
 enumeration are all of types derived from "Credential". Before
 <A HREF="../../../../net/jxta/membership/MembershipService.html#join(net.jxta.membership.Authenticator)"><CODE>join()</CODE></A> or after <A HREF="../../../../net/jxta/membership/MembershipService.html#resign()"><CODE>MembershipService.resign()</CODE></A> are called, this
 enumeration will consist of a single element, a default credential
 which is usually has the identity "nobody". This credential always
 exists, but likely offers few, if any, privledges within this group.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#getCurrentCredentials()">getCurrentCredentials</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Enumeration of the Credentials currently associated with this
 peer for this peergroup.</DL>
</DD>
</DL>
<HR>

<A NAME="getAuthCredentials()"><!-- --></A><H3>
getAuthCredentials</H3>
<PRE>
public java.util.Enumeration <B>getAuthCredentials</B>()</PRE>
<DL>
<DD>Returns the current credentials for this peer. The elements of the
 enumeration are all of types derived from
 <A HREF="../../../../net/jxta/credential/AuthenticationCredential.html" title="class in net.jxta.credential"><CODE>AuthenticationCredential</CODE></A>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#getAuthCredentials()">getAuthCredentials</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Enumeration of the AuthenticationCredentials which were used to
 establish the current identities.</DL>
</DD>
</DL>
<HR>

<A NAME="join(net.jxta.membership.Authenticator)"><!-- --></A><H3>
join</H3>
<PRE>
public <A HREF="../../../../net/jxta/credential/Credential.html" title="interface in net.jxta.credential">Credential</A> <B>join</B>(<A HREF="../../../../net/jxta/membership/Authenticator.html" title="interface in net.jxta.membership">Authenticator</A>&nbsp;authenticated)
                throws <A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></PRE>
<DL>
<DD>Join the group by virtue of the completed authentication provided.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#join(net.jxta.membership.Authenticator)">join</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>authenticated</CODE> - the completed authentication.
<DT><B>Returns:</B><DD>Credential the credential for this completed authentication.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></CODE> - Thrown in the event of errors. This exception
 spec is currently a placeholder and needs to be narrowed.</DL>
</DD>
</DL>
<HR>

<A NAME="resign()"><!-- --></A><H3>
resign</H3>
<PRE>
public void <B>resign</B>()
            throws <A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></PRE>
<DL>
<DD>Resign all credentials which were previously gained through prior
 <A HREF="../../../../net/jxta/membership/MembershipService.html#join(net.jxta.membership.Authenticator)"><CODE>join()</CODE></A> operations.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#resign()">resign</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></CODE> - Thrown in the event of errors. This exception
 spec is currently a placeholder and needs to be narrowed.</DL>
</DD>
</DL>
<HR>

<A NAME="makeCredential(net.jxta.document.Element)"><!-- --></A><H3>
makeCredential</H3>
<PRE>
public <A HREF="../../../../net/jxta/credential/Credential.html" title="interface in net.jxta.credential">Credential</A> <B>makeCredential</B>(<A HREF="../../../../net/jxta/document/Element.html" title="interface in net.jxta.document">Element</A>&nbsp;element)
                          throws <A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A>,
                                 java.lang.Exception</PRE>
<DL>
<DD>Given a fragment of a StructuredDocument, reconstruct a Credential object
 from that fragment.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../net/jxta/membership/MembershipService.html#makeCredential(net.jxta.document.Element)">makeCredential</A></CODE> in interface <CODE><A HREF="../../../../net/jxta/membership/MembershipService.html" title="interface in net.jxta.membership">MembershipService</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>element</CODE> - The StructuredDocument fragment to use for building the
 credential.
<DT><B>Returns:</B><DD>Credential The created credential
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - Thrown in the event of errors. This exception spec is
 currently a placeholder and needs to be narrowed.
<DD><CODE><A HREF="../../../../net/jxta/exception/PeerGroupException.html" title="class in net.jxta.exception">PeerGroupException</A></CODE> - Thrown in the event of errors. This exception
 spec is currently a placeholder and needs to be narrowed.</DL>
</DD>
</DL>
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