fish.payara.microprofile.openapi.impl.rest.init.OpenApiServletContainerInitializer Maven / Gradle / Ivy
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package fish.payara.microprofile.openapi.impl.rest.init;
import fish.payara.microprofile.openapi.impl.admin.OpenApiServiceConfiguration;
import fish.payara.microprofile.openapi.rest.app.OpenApiApplication;
import static java.util.Arrays.asList;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import jakarta.servlet.HttpConstraintElement;
import jakarta.servlet.ServletContainerInitializer;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRegistration;
import jakarta.servlet.ServletSecurityElement;
import static jakarta.servlet.annotation.ServletSecurity.TransportGuarantee.CONFIDENTIAL;
import static org.glassfish.common.util.StringHelper.isEmpty;
import org.glassfish.internal.api.Globals;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.jersey.servlet.init.JerseyServletContainerInitializer;
/**
* Deploys the OpenAPI application to each listener when an application is
* deployed.
*/
public class OpenApiServletContainerInitializer implements ServletContainerInitializer {
@Override
public void onStartup(Set> c, ServletContext ctx) throws ServletException {
// Only deploy to app root
if (!"".equals(ctx.getContextPath())) {
return;
}
OpenApiServiceConfiguration configuration = Globals.getDefaultHabitat().getService(OpenApiServiceConfiguration.class);
// Check if there is already an endpoint for OpenAPI
Map registrations = ctx.getServletRegistrations();
for (ServletRegistration reg : registrations.values()) {
if (reg.getMappings().contains(configuration.getEndpoint())) {
return;
}
}
String virtualServers = configuration.getVirtualServers();
if (!isEmpty(virtualServers)
&& !asList(virtualServers.split(",")).contains(ctx.getVirtualServerName())) {
return;
}
// Start the OpenAPI application
ServletContainer servletContainer = new ServletContainer(new OpenApiApplication());
ServletRegistration.Dynamic reg = ctx.addServlet("microprofile-openapi-servlet", servletContainer);
reg.setLoadOnStartup(1);
reg.addMapping("/" + configuration.getEndpoint() + "/*");
if (Boolean.parseBoolean(configuration.getSecurityEnabled())) {
String[] roles = configuration.getRoles().split(",");
reg.setServletSecurity(new ServletSecurityElement(new HttpConstraintElement(CONFIDENTIAL, roles)));
ctx.declareRoles(roles);
}
}
}