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package tools.refinery.language.web.xtext;
import java.util.Map;
import java.util.Set;
import org.eclipse.xtext.web.server.IServiceContext;
import org.eclipse.xtext.web.server.ISession;
import org.eclipse.xtext.web.server.InvalidRequestException;
import com.google.common.collect.ImmutableMap;
record SimpleServiceContext(ISession session, Map<String, String> parameters) implements IServiceContext {
public static final String RESOURCE_NAME_PARAMETER = "resource";
public static final String CONTENT_TYPE_PARAMETER = "contentType";
public static final String STATE_ID_PARAMETER = "requiredStateId";
public SimpleServiceContext(ISession session, XtextWebSocketRequest request, String stateId, int index) {
this(session, addPerTransactionData(request, stateId, request.getRequestData().get(index)));
}
@Override
public Set<String> getParameterKeys() {
return parameters.keySet();
}
@Override
public String getParameter(String key) {
return parameters.get(key);
}
@Override
public ISession getSession() {
return session;
}
private static Map<String, String> addPerTransactionData(XtextWebSocketRequest request, String stateId,
Map<String, String> parameters) {
checkParameters(parameters, RESOURCE_NAME_PARAMETER);
checkParameters(parameters, CONTENT_TYPE_PARAMETER);
checkParameters(parameters, STATE_ID_PARAMETER);
var builder = ImmutableMap.<String, String>builder();
builder.putAll(parameters);
if (request.getResourceName() != null) {
builder.put(RESOURCE_NAME_PARAMETER, request.getResourceName());
}
if (request.getContentType() != null) {
builder.put(CONTENT_TYPE_PARAMETER, request.getContentType());
}
if (stateId != null) {
builder.put(STATE_ID_PARAMETER, stateId);
}
return builder.build();
}
private static void checkParameters(Map<String, String> parameters, String perTransactionParameter) {
if (parameters.containsKey(perTransactionParameter)) {
throw new InvalidRequestException.InvalidParametersException(
"Parameters map must not contain '" + perTransactionParameter + "' parameter.");
}
}
}
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