/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.isis.viewer.restfulobjects.server.resources;
import java.util.List;
import java.util.concurrent.Callable;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import org.apache.isis.applib.services.swagger.SwaggerService;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.core.runtime.system.persistence.PersistenceSession;
import org.apache.isis.core.runtime.system.session.IsisSessionFactory;
@Path("/swagger")
public class SwaggerSpecResource {
@Context
HttpHeaders httpHeaders;
@Path("/private")
@GET
@Consumes({ MediaType.WILDCARD, MediaType.APPLICATION_JSON, "text/yaml" })
@Produces({
MediaType.APPLICATION_JSON, "text/yaml"
})
public String swaggerPrivate() {
return swagger(SwaggerService.Visibility.PRIVATE);
}
@Path("/prototyping")
@GET
@Consumes({ MediaType.WILDCARD, MediaType.APPLICATION_JSON, "text/yaml" })
@Produces({
MediaType.APPLICATION_JSON, "text/yaml"
})
public String swaggerPrototyping() {
return swagger(SwaggerService.Visibility.PRIVATE_WITH_PROTOTYPING);
}
@Path("/public")
@GET
@Consumes({ MediaType.WILDCARD, MediaType.APPLICATION_JSON, "text/yaml" })
@Produces({
MediaType.APPLICATION_JSON, "text/yaml"
})
public String swaggerPublic() {
return swagger(SwaggerService.Visibility.PUBLIC);
}
private String swagger(final SwaggerService.Visibility visibility) {
final SwaggerService.Format format = deriveFrom(httpHeaders);
String spec = getIsisSessionFactory().doInSession(new MyCallable(visibility, format));
return spec;
}
private SwaggerService.Format deriveFrom(final HttpHeaders httpHeaders) {
final List<MediaType> acceptableMediaTypes = httpHeaders.getAcceptableMediaTypes();
for (MediaType acceptableMediaType : acceptableMediaTypes) {
if(acceptableMediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE)) {
return SwaggerService.Format.JSON;
}
}
final MediaType applYaml = new MediaType("application", "yaml");
final MediaType textYaml = new MediaType("text", "yaml");
for (MediaType acceptableMediaType : acceptableMediaTypes) {
if (acceptableMediaType.isCompatible(applYaml) ||
acceptableMediaType.isCompatible(textYaml)) {
return SwaggerService.Format.YAML;
}
}
return SwaggerService.Format.JSON;
}
class MyCallable implements Callable<String> {
private final SwaggerService.Visibility visibility;
private final SwaggerService.Format format;
public MyCallable(
final SwaggerService.Visibility visibility,
final SwaggerService.Format format) {
this.visibility = visibility;
this.format = format;
}
@Override
public String call() throws Exception {
getServicesInjector().injectServicesInto(this);
return swaggerService.generateSwaggerSpec(visibility, format);
}
@javax.inject.Inject
SwaggerService swaggerService;
ServicesInjector getServicesInjector() {
return getPersistenceSession().getServicesInjector();
}
PersistenceSession getPersistenceSession() {
return getIsisSessionFactory().getCurrentSession().getPersistenceSession();
}
}
IsisSessionFactory getIsisSessionFactory() {
return IsisContext.getSessionFactory();
}
}