/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2016 ForgeRock AS.
|
*
|
*/
|
package org.forgerock.opendj.rest2ldap;
|
|
import static org.forgerock.opendj.rest2ldap.Rest2ldapMessages.ERR_UNRECOGNIZED_SUB_RESOURCE_TYPE;
|
|
import org.forgerock.api.models.ApiDescription;
|
import org.forgerock.http.ApiProducer;
|
import org.forgerock.i18n.LocalizableMessage;
|
import org.forgerock.i18n.LocalizedIllegalArgumentException;
|
import org.forgerock.json.resource.ActionRequest;
|
import org.forgerock.json.resource.ActionResponse;
|
import org.forgerock.json.resource.BadRequestException;
|
import org.forgerock.json.resource.CreateRequest;
|
import org.forgerock.json.resource.DeleteRequest;
|
import org.forgerock.json.resource.NotFoundException;
|
import org.forgerock.json.resource.PatchRequest;
|
import org.forgerock.json.resource.QueryRequest;
|
import org.forgerock.json.resource.QueryResourceHandler;
|
import org.forgerock.json.resource.QueryResponse;
|
import org.forgerock.json.resource.ReadRequest;
|
import org.forgerock.json.resource.RequestHandler;
|
import org.forgerock.json.resource.ResourceException;
|
import org.forgerock.json.resource.ResourceResponse;
|
import org.forgerock.json.resource.Router;
|
import org.forgerock.json.resource.UpdateRequest;
|
import org.forgerock.opendj.ldap.DN;
|
import org.forgerock.services.context.Context;
|
import org.forgerock.util.AsyncFunction;
|
import org.forgerock.util.Function;
|
import org.forgerock.util.promise.Promise;
|
|
/**
|
* Defines a parent-child relationship between a parent resource and one or more child resource(s). Removal of the
|
* parent resource implies that the children (the sub-resources) are also removed. There are two types of
|
* sub-resource:
|
* <ul>
|
* <li>{@link SubResourceSingleton} represents a one-to-one relationship supporting read, update, patch, and action
|
* requests</li>
|
* <li>{@link SubResourceCollection} represents a one-to-many relationship supporting all requests.</li>
|
* </ul>
|
*/
|
public abstract class SubResource {
|
private final String resourceId;
|
private DnTemplate dnTemplate;
|
|
String urlTemplate = "";
|
String dnTemplateString = "";
|
boolean isReadOnly = false;
|
Rest2Ldap rest2Ldap;
|
Resource resource;
|
|
SubResource(final String resourceId) {
|
this.resourceId = resourceId;
|
}
|
|
@Override
|
public final boolean equals(final Object o) {
|
return this == o || (o instanceof SubResource && urlTemplate.equals(((SubResource) o).urlTemplate));
|
}
|
|
@Override
|
public final int hashCode() {
|
return urlTemplate.hashCode();
|
}
|
|
@Override
|
public final String toString() {
|
return urlTemplate;
|
}
|
|
final Resource getResource() {
|
return resource;
|
}
|
|
final void build(final Rest2Ldap rest2Ldap, final String parent) {
|
this.rest2Ldap = rest2Ldap;
|
this.resource = rest2Ldap.getResource(resourceId);
|
if (resource == null) {
|
throw new LocalizedIllegalArgumentException(ERR_UNRECOGNIZED_SUB_RESOURCE_TYPE.get(parent, resourceId));
|
}
|
this.dnTemplate = DnTemplate.compileRelative(dnTemplateString);
|
}
|
|
abstract Router addRoutes(Router router);
|
|
/** A 404 indicates that this instance is not also a collection, so return a more helpful message. */
|
static <T> Function<ResourceException, T, ResourceException> convert404To400(final LocalizableMessage msg) {
|
return new Function<ResourceException, T, ResourceException>() {
|
@Override
|
public T apply(final ResourceException e) throws ResourceException {
|
if (e instanceof NotFoundException) {
|
throw new BadRequestException(msg.toString());
|
}
|
throw e;
|
}
|
};
|
}
|
|
final RequestHandler readOnly(final RequestHandler handler) {
|
return isReadOnly ? new ReadOnlyRequestHandler(handler) : handler;
|
}
|
|
final DN dnFrom(final Context context) {
|
return dnTemplate.format(context);
|
}
|
|
final RequestHandler subResourceRouterFrom(final RoutingContext context) {
|
return context.getType().getSubResourceRouter();
|
}
|
|
abstract Promise<RoutingContext, ResourceException> route(final Context context);
|
|
/**
|
* Responsible for routing requests to sub-resources:
|
* <ul>
|
* <li>of this singleton,</li>
|
* <li>or of instances within a collection<./li>
|
* </ul>
|
* <p>
|
* More specifically, given
|
* <ul>
|
* <li>the URL template /singleton then this handler processes all requests beneath /singleton.</li>
|
* <li>the URL template /collection/{id} then this handler processes all requests beneath /collection/{id},</li>
|
* </ul>
|
*/
|
final class SubResourceHandler extends AbstractRequestHandler {
|
@Override
|
public Promise<ActionResponse, ResourceException> handleAction(final Context context,
|
final ActionRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ActionResponse, ResourceException>() {
|
@Override
|
public Promise<ActionResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleAction(context, request);
|
}
|
});
|
}
|
|
@Override
|
public Promise<ResourceResponse, ResourceException> handleCreate(final Context context,
|
final CreateRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ResourceResponse, ResourceException>() {
|
@Override
|
public Promise<ResourceResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleCreate(context, request);
|
}
|
});
|
}
|
|
@Override
|
public Promise<ResourceResponse, ResourceException> handleDelete(final Context context,
|
final DeleteRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ResourceResponse, ResourceException>() {
|
@Override
|
public Promise<ResourceResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleDelete(context, request);
|
}
|
});
|
}
|
|
@Override
|
public Promise<ResourceResponse, ResourceException> handlePatch(final Context context,
|
final PatchRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ResourceResponse, ResourceException>() {
|
@Override
|
public Promise<ResourceResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handlePatch(context, request);
|
}
|
});
|
}
|
|
@Override
|
public Promise<QueryResponse, ResourceException> handleQuery(final Context context, final QueryRequest request,
|
final QueryResourceHandler handler) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, QueryResponse, ResourceException>() {
|
@Override
|
public Promise<QueryResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleQuery(context, request, handler);
|
}
|
});
|
}
|
|
@Override
|
public Promise<ResourceResponse, ResourceException> handleRead(final Context context,
|
final ReadRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ResourceResponse, ResourceException>() {
|
@Override
|
public Promise<ResourceResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleRead(context, request);
|
}
|
});
|
}
|
|
@Override
|
public Promise<ResourceResponse, ResourceException> handleUpdate(final Context context,
|
final UpdateRequest request) {
|
return route(context).thenAsync(new AsyncFunction<RoutingContext, ResourceResponse, ResourceException>() {
|
@Override
|
public Promise<ResourceResponse, ResourceException> apply(final RoutingContext context) {
|
return subResourceRouterFrom(context).handleUpdate(context, request);
|
}
|
});
|
}
|
|
@Override
|
public ApiDescription api(ApiProducer<ApiDescription> producer) {
|
return resource.subResourcesApi(producer);
|
}
|
}
|
}
|
