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package javax.websocket;
import java.io.*;
import java.net.URI;
import java.util.Set;
/**
* A WebSocketContainer is an implementation provided object that provides applications
* a view on the container running it. The WebSocketContainer container various
* configuration parameters that control default session and buffer properties
* of the endpoints it contains. It also allows the developer to
* deploy websocket client endpoints by initiating a web socket handshake from
* the provided endpoint to a supplied URI where the peer endpoint is presumed to
* reside.
*
* A WebSocketContainer may be accessed by concurrent threads, so
* implementations must ensure the integrity of its mutable attributes in such
* circumstances.
*
* @author dannycoward
*/
public interface WebSocketContainer {
/**
* Return the number of milliseconds the implementation will timeout
* attempting to send a websocket message for all RemoteEndpoints associated
* with this container. A non-positive number indicates
* the implementation will not timeout attempting to send a websocket message
* asynchronously. Note this default may be overridden in each RemoteEndpoint.
*
* @return the timeout time in millsenconds.
*/
long getDefaultAsyncSendTimeout();
/**
* Sets the number of milliseconds the implementation will timeout
* attempting to send a websocket message for all RemoteEndpoints associated
* with this container. A non-positive number indicates
* the implementation will not timeout attempting to send a websocket message
* asynchronously. Note this default may be overridden in each RemoteEndpoint.
*/
void setAsyncSendTimeout(long timeoutmillis);
/**
* Connect the supplied annotated endpoint instance to its server. The supplied
* object must be a class decorated with the class level
* {@link javax.websocket.server.ServerEndpoint} annotation. This method
* blocks until the connection is established, or throws an error if either
* the connection could not be made or there was a problem with the supplied
* endpoint class. If the developer uses this method to deploy the client
* endpoint, services like dependency injection that are supported, for
* example, when the implementation is part of the Java EE platform
* may not be available. If the client endpoint uses dependency injection,
* use {@link WebSocketContainer#connectToServer(java.lang.Class, java.net.URI)}
* instead.
*
* @param annotatedEndpointInstance the annotated websocket client endpoint
* instance.
* @param path the complete path to the server endpoint.
* @return the Session created if the connection is successful.
* @throws DeploymentException if the annotated endpoint instance is not valid.
* @throws IOException if there was a network or protocol problem that
* prevented the client endpoint being connected to its server.
* @throws IllegalStateException if called during the deployment phase
* of the containing application.
*/
Session connectToServer(Object annotatedEndpointInstance, URI path) throws DeploymentException, IOException;
/**
* Connect the supplied annotated endpoint to its server. The supplied object must be a
* class decorated with the class level
* {@link javax.websocket.server.ServerEndpoint} annotation. This method blocks until the connection
* is established, or throws an error if either the connection could not be made or there
* was a problem with the supplied endpoint class.
*
* @param annotatedEndpointClass the annotated websocket client endpoint.
* @param path the complete path to the server endpoint.
* @return the Session created if the connection is successful.
* @throws DeploymentException if the annotated endpoint class is not valid.
* @throws IOException if there was a network or protocol problem that
* prevented the client endpoint being connected to its server.
* @throws IllegalStateException if called during the deployment phase
* of the containing application.
*/
Session connectToServer(Class annotatedEndpointClass, URI path) throws DeploymentException, IOException;
/**
* Connect the supplied programmatic client endpoint instance to its server
* with the given configuration. This method blocks until the connection
* is established, or throws an error if the connection could not be made.
* If the developer uses this method to deploy the client
* endpoint, services like dependency injection that are supported, for
* example, when the implementation is part of the Java EE platform
* may not be available. If the client endpoint uses dependency injection,
* use {@link WebSocketContainer#connectToServer(java.lang.Class, javax.websocket.ClientEndpointConfig, java.net.URI) }
* instead.
*
* @param endpointInstance the programmatic client endpoint instance {@link Endpoint}.
* @param path the complete path to the server endpoint.
* @param cec the configuration used to configure the programmatic endpoint.
* @return the Session created if the connection is successful.
* @throws DeploymentException if the configuration is not valid
* @throws IOException if there was a network or protocol problem that
* prevented the client endpoint being connected to its server
* @throws IllegalStateException if called during the deployment phase
* of the containing application.
*/
Session connectToServer(Endpoint endpointInstance, ClientEndpointConfig cec, URI path) throws DeploymentException, IOException;
/**
* Connect the supplied programmatic endpoint to its server with the given
* configuration. This method blocks until the connection
* is established, or throws an error if the connection could not be made.
*
* @param endpointClass the programmatic client endpoint class {@link Endpoint}.
* @param path the complete path to the server endpoint.
* @param cec the configuration used to configure the programmatic endpoint.
* @return the Session created if the connection is successful.
* @throws DeploymentException if the configuration is not valid
* @throws IOException if there was a network or protocol problem that prevented the client endpoint being connected to its server
* @throws IllegalStateException if called during the deployment phase
* of the containing application.
*/
Session connectToServer(Class endpointClass, ClientEndpointConfig cec, URI path) throws DeploymentException, IOException;
/**
* Return the default time in milliseconds after which any web socket sessions in this
* container will be closed if it has been inactive. A value that is
* 0 or negative indicates the sessions will never timeout due to inactivity.
* The value may be overridden on a per session basis using
* {@link Session#setMaxIdleTimeout(long) }
*
* @return the default number of milliseconds after which an idle session in this container
* will be closed
*/
long getDefaultMaxSessionIdleTimeout();
/**
* Sets the default time in milliseconds after which any web socket sessions in this
* container will be closed if it has been inactive. A value that is
* 0 or negative indicates the sessions will never timeout due to inactivity.
* The value may be overridden on a per session basis using
* {@link Session#setMaxIdleTimeout(long) }
*
* @param timeout the maximum time in milliseconds.
*/
void setDefaultMaxSessionIdleTimeout(long timeout);
/**
* Returns the default maximum size of incoming binary message that this container
* will buffer. This default may be overridden on a per session basis using
* {@link Session#setMaxBinaryMessageBufferSize(int) }
*
* @return the maximum size of incoming binary message in number of bytes.
*/
int getDefaultMaxBinaryMessageBufferSize();
/**
* Sets the default maximum size of incoming binary message that this container
* will buffer.
*
* @param max the maximum size of binary message in number of bytes.
*/
void setDefaultMaxBinaryMessageBufferSize(int max);
/**
* Returns the default maximum size of incoming text message that this container
* will buffer. This default may be overridden on a per session basis using
* {@link Session#setMaxTextMessageBufferSize(int) }
*
* @return the maximum size of incoming text message in number of bytes.
*/
int getDefaultMaxTextMessageBufferSize();
/**
* Sets the maximum size of incoming text message that this container
* will buffer.
*
* @param max the maximum size of text message in number of bytes.
*/
void setDefaultMaxTextMessageBufferSize(int max);
/**
* Return the set of Extensions installed in the container.
*
* @return the set of extensions.
*/
Set getInstalledExtensions();
}