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java.lang.Objectcom.sun.jini.discovery.internal.BaseProvider
com.sun.jini.discovery.internal.EndpointBasedProvider
com.sun.jini.discovery.internal.EndpointBasedClient
public abstract class EndpointBasedClient
Provides an abstract endpoint-based UnicastDiscoveryClient implementation, which serves as a superclass for client-side providers for the net.jini.discovery.ssl and net.jini.discovery.kerberos unicast discovery formats.
Nested Class Summary | |
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private static class |
EndpointBasedClient.ConnectionInfo
Components for initiating a connection. |
private static class |
EndpointBasedClient.ConnManagerFactoryImpl
Factory which produces connection managers that capture the OutboundRequestHandle and ConnectionEndpoint instances used to initiate connections, and then return empty OutboundRequestIterators. |
private static class |
EndpointBasedClient.PrearrangedSocketFactory
Socket factory which returns a prearranged socket. |
Field Summary |
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Fields inherited from class com.sun.jini.discovery.internal.EndpointBasedProvider |
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endpointInternals |
Fields inherited from class com.sun.jini.discovery.internal.BaseProvider |
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formatName |
Constructor Summary | |
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protected |
EndpointBasedClient(String formatName,
EndpointInternals endpointInternals)
Constructs instance with the given format name and object providing access to non-public endpoint operations. |
Method Summary | |
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void |
checkUnicastDiscoveryConstraints(InvocationConstraints constraints)
Checks and returns normally if this client is capable of fulfilling the given absolute constraints. |
UnicastResponse |
doUnicastDiscovery(Socket socket,
InvocationConstraints constraints,
ClassLoader defaultLoader,
ClassLoader verifierLoader,
Collection context,
ByteBuffer sent,
ByteBuffer received)
Performs the client side of unicast discovery, obtaining the returned response data over the provided socket using the given default and codebase verifier class loaders and collection of object stream context objects in a manner that satisfies the specified absolute constraints. |
private EndpointBasedClient.ConnectionInfo |
getConnectionInfo(Socket socket,
InvocationConstraints constraints)
Returns components needed to initiate a connection over the given socket in accordance with the specified constraints. |
protected abstract Endpoint |
getEndpoint(SocketFactory factory,
InvocationConstraints constraints)
Returns an endpoint which uses the given socket factory, if non-null, and may incorporate information (such as the expected server principal) from the given set of constraints, if non-null. |
Methods inherited from class com.sun.jini.discovery.internal.EndpointBasedProvider |
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calcHandshakeHash, checkIntegrity |
Methods inherited from class com.sun.jini.discovery.internal.BaseProvider |
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getFormatName |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.sun.jini.discovery.DiscoveryFormatProvider |
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getFormatName |
Constructor Detail |
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protected EndpointBasedClient(String formatName, EndpointInternals endpointInternals)
Method Detail |
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public void checkUnicastDiscoveryConstraints(InvocationConstraints constraints) throws UnsupportedConstraintException
UnicastDiscoveryClient
null
constraints are
considered equivalent to empty constraints.
checkUnicastDiscoveryConstraints
in interface UnicastDiscoveryClient
constraints
- the constraints to check, or null
UnsupportedConstraintException
- if unable to satisfy the
specified constraintspublic UnicastResponse doUnicastDiscovery(Socket socket, InvocationConstraints constraints, ClassLoader defaultLoader, ClassLoader verifierLoader, Collection context, ByteBuffer sent, ByteBuffer received) throws IOException, ClassNotFoundException
UnicastDiscoveryClient
null
constraints are considered equivalent
to empty constraints.
doUnicastDiscovery
in interface UnicastDiscoveryClient
socket
- the socket on which to perform unicast discoveryconstraints
- the constraints to apply to unicast discovery, or
null
defaultLoader
- the class loader value (possibly null
)
to be passed as the defaultLoader
argument to
RMIClassLoader
methods when unmarshalling the registrar
proxyverifierLoader
- the class loader value (possibly
null
) to pass to Security.verifyCodebaseIntegrity
, if codebase integrity verification is
used when unmarshalling the registrar proxycontext
- the collection of context information objects (possibly
null
) to use when unmarshalling the registrar proxysent
- a buffer containing the data already sentreceived
- a buffer containing the data already received
IOException
- if an error occurs in interpreting received data or
in formatting data to send
UnsupportedConstraintException
- if unable to satisfy the
specified constraints
ClassNotFoundException
- if the class of the discovered registrar
cannot be resolvedprotected abstract Endpoint getEndpoint(SocketFactory factory, InvocationConstraints constraints) throws UnsupportedConstraintException
UnsupportedConstraintException
private EndpointBasedClient.ConnectionInfo getConnectionInfo(Socket socket, InvocationConstraints constraints) throws UnsupportedConstraintException
UnsupportedConstraintException
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