/*
* 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.rendering.service.conneg;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.xml.bind.annotation.XmlRootElement;
import org.apache.isis.applib.DomainObjectContainer;
import org.apache.isis.applib.annotation.Programmatic;
import org.apache.isis.core.commons.factory.InstanceUtil;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.viewer.restfulobjects.applib.client.RestfulResponse;
import org.apache.isis.viewer.restfulobjects.rendering.RestfulObjectsApplicationException;
import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.ObjectAndAction;
import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.ObjectAndActionInvocation;
import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.ObjectAndCollection;
import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.ObjectAndProperty;
import org.apache.isis.viewer.restfulobjects.rendering.service.RepresentationService;
public abstract class ContentNegotiationServiceAbstract implements ContentNegotiationService {
@Programmatic
@PostConstruct
public void init(Map<String, String> properties) {}
@Programmatic
@PreDestroy
public void shutdown() {}
@Programmatic
public Response.ResponseBuilder buildResponse(
final RepresentationService.Context2 renderContext2,
final ObjectAdapter objectAdapter) {
return null;
}
@Programmatic
public Response.ResponseBuilder buildResponse(
final RepresentationService.Context2 renderContext2,
final ObjectAndProperty objectAndProperty) {
return null;
}
@Programmatic
public Response.ResponseBuilder buildResponse(
final RepresentationService.Context2 renderContext2,
final ObjectAndCollection objectAndCollection) {
return null;
}
@Programmatic
public Response.ResponseBuilder buildResponse(
final RepresentationService.Context2 renderContext2,
final ObjectAndAction objectAndAction) {
return null;
}
@Programmatic
public Response.ResponseBuilder buildResponse(
final RepresentationService.Context2 renderContext2,
final ObjectAndActionInvocation objectAndActionInvocation) {
return null;
}
//region > convenience methods for subclasses (possibly hooks)
/**
* Potential hook to allow a domain object to be mapped.
*/
protected Object objectOf(final ObjectAdapter objectAdapter) {
return objectAdapter.getObject();
}
protected Object returnedObjectOf(final ObjectAndActionInvocation objectAndActionInvocation) {
final ObjectAdapter returnedAdapter = objectAndActionInvocation.getReturnedAdapter();
return objectOf(returnedAdapter);
}
protected Class<?> loadClass(final String cls) {
final Class<?> domainType;
try {
domainType = InstanceUtil.loadClass(cls);
}catch (final Exception ex) {
throw RestfulObjectsApplicationException.createWithCause(RestfulResponse.HttpStatusCode.BAD_REQUEST, ex);
}
return domainType;
}
protected void ensureJaxbAnnotated(final Class<?> domainType) {
if(domainType.getAnnotation(XmlRootElement.class) == null) {
throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.BAD_REQUEST, "Requested domain Type '" + domainType.getName() + "' is not annotated with JAXB @XmlRootElement annotation");
}
}
protected void ensureDomainObjectAssignable(final String xRoDomainType, final Class<?> domainType, final Object domainObject) {
if(!domainType.isAssignableFrom(domainObject.getClass())) {
throw RestfulObjectsApplicationException.createWithMessage(
RestfulResponse.HttpStatusCode.NOT_ACCEPTABLE,
"Requested object of type '%s' however the object returned by the domain object is not assignable (is '%s')",
xRoDomainType, domainObject.getClass().getName());
}
}
protected boolean mediaTypeParameterMatches(
final List<MediaType> acceptableMediaTypes,
final String parameter, final String parameterValue) {
for (MediaType mediaType : acceptableMediaTypes) {
final String paramValue = sanitize(mediaType.getParameters().get(parameter));
if (Objects.equals(paramValue, parameterValue)) {
return true;
}
}
return false;
}
/**
* Remove any single quotes.
*/
private String sanitize(String mediaParam) {
if (mediaParam == null) {
return null;
}
mediaParam = mediaParam.trim();
if(mediaParam.startsWith("'")) {
mediaParam = mediaParam.substring(1);
}
if(mediaParam.endsWith("'")) {
mediaParam = mediaParam.substring(0, mediaParam.length()-1);
}
return mediaParam;
}
//endregion
@javax.inject.Inject
protected DomainObjectContainer container;
}