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package org.glassfish.tyrus.server;
import java.util.ArrayList;
import java.util.List;
import javax.websocket.Extension;
import javax.websocket.HandshakeResponse;
import javax.websocket.server.HandshakeRequest;
import javax.websocket.server.ServerEndpointConfig;
import org.glassfish.tyrus.core.ComponentProviderService;
import org.glassfish.tyrus.core.extension.ExtendedExtension;
import org.glassfish.tyrus.core.frame.Frame;
/**
* Tyrus implementation of {@link ServerEndpointConfig.Configurator}.
*
* @author Pavel Bucek (pavel.bucek at oracle.com)
*/
public class TyrusServerEndpointConfigurator extends ServerEndpointConfig.Configurator {
private final ComponentProviderService componentProviderService;
public TyrusServerEndpointConfigurator() {
this.componentProviderService = ComponentProviderService.create();
}
@Override
public String getNegotiatedSubprotocol(List<String> supported, List<String> requested) {
if (requested != null) {
for (String clientProtocol : requested) {
if (supported.contains(clientProtocol)) {
return clientProtocol;
}
}
}
return "";
}
@Override
public List<Extension> getNegotiatedExtensions(List<Extension> installed, List<Extension> requested) {
installed = new ArrayList<Extension>(installed);
List<Extension> result = new ArrayList<Extension>();
if (requested != null) {
for (final Extension requestedExtension : requested) {
for (Extension extension : installed) {
final String name = extension.getName();
// exception have the same name = are equal. Params should not be taken into account.
if (name != null && name.equals(requestedExtension.getName())) {
if (extension instanceof ExtendedExtension) {
final ExtendedExtension extendedExtension = (ExtendedExtension) extension;
result.add(new ExtendedExtension() {
@Override
public Frame processIncoming(ExtensionContext context, Frame frame) {
return extendedExtension.processIncoming(context, frame);
}
@Override
public Frame processOutgoing(ExtensionContext context, Frame frame) {
return extendedExtension.processOutgoing(context, frame);
}
/**
* TODO.
*
* @param context TODO
* @param requestedParameters TODO
* @return TODO
*/
@Override
public List<Parameter> onExtensionNegotiation(ExtensionContext context, List<Parameter> requestedParameters) {
return extendedExtension.onExtensionNegotiation(context, requestedExtension.getParameters());
}
@Override
public void onHandshakeResponse(ExtensionContext context, List<Parameter> responseParameters) {
extendedExtension.onHandshakeResponse(context, responseParameters);
}
@Override
public void destroy(ExtensionContext context) {
extendedExtension.destroy(context);
}
@Override
public String getName() {
return name;
}
@Override
public List<Parameter> getParameters() {
return extendedExtension.getParameters();
}
});
} else {
result.add(requestedExtension);
}
}
}
}
}
return result;
}
@Override
public boolean checkOrigin(String originHeaderValue) {
return true;
}
@Override
public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {
}
@Override
public <T> T getEndpointInstance(Class<T> endpointClass) throws InstantiationException {
//noinspection unchecked
return (T) componentProviderService.getEndpointInstance(endpointClass);
}
}