OPENDJ-3250 Return the CREST descriptor over REST for config endpoint

Jean-Noël Rouvignac

13.26.2016 4a164f90a4bab55c79314343d6127570a8fbed10

 opendj-server-legacy/src/main/java/org/opends/server/protocols/http/rest2ldap/AdminEndpoint.java

@@ -12,14 +12,12 @@
 * information: "Portions copyright [year] [name of copyright owner]".
 *
 * Copyright 2016 ForgeRock AS.
 *
 */
package org.opends.server.protocols.http.rest2ldap;

import static org.forgerock.http.routing.RouteMatchers.newResourceApiVersionBehaviourManager;
import static org.forgerock.http.routing.Version.version;
import static org.forgerock.json.resource.RouteMatchers.resourceApiVersionContextFilter;
import static org.forgerock.json.resource.http.CrestHttp.newHttpHandler;
import static org.forgerock.opendj.ldap.schema.CoreSchema.getBooleanSyntax;
import static org.forgerock.opendj.ldap.schema.CoreSchema.getIntegerSyntax;
import static org.forgerock.opendj.rest2ldap.Rest2Ldap.*;
@@ -43,11 +41,15 @@
import org.forgerock.http.routing.Version;
import org.forgerock.json.JsonPointer;
import org.forgerock.json.resource.BadRequestException;
import org.forgerock.json.resource.ConnectionFactory;
import org.forgerock.json.resource.CrestApplication;
import org.forgerock.json.resource.FilterChain;
import org.forgerock.json.resource.Request;
import org.forgerock.json.resource.RequestHandler;
import org.forgerock.json.resource.ResourceException;
import org.forgerock.json.resource.Resources;
import org.forgerock.json.resource.Router;
import org.forgerock.json.resource.http.CrestHttp;
import org.forgerock.opendj.config.AbstractManagedObjectDefinition;
import org.forgerock.opendj.config.AggregationPropertyDefinition;
import org.forgerock.opendj.config.DefaultBehaviorProvider;
@@ -84,6 +86,7 @@
import org.opends.server.api.HttpEndpoint;
import org.opends.server.core.ServerContext;
import org.opends.server.types.InitializationException;
import org.opends.server.util.BuildVersion;

/**
 * An HTTP endpoint providing access to the server's monitoring backend (cn=monitor) and its configuration (cn=config).
@@ -115,9 +118,7 @@
    return new AdminHttpApplication();
  }

  /**
   * Specialized {@link HttpApplication} using internal connections to this local LDAP server.
   */
  /** Specialized {@link HttpApplication} using internal connections to this local LDAP server. */
  private final class AdminHttpApplication implements HttpApplication
  {
    private LDAPProfile ldapProfile = LDAPProfile.getInstance();
@@ -125,6 +126,11 @@
    @Override
    public Handler start() throws HttpApplicationException
    {
      return newHttpHandler(startRequestHandler());
    }

    FilterChain startRequestHandler() throws HttpApplicationException
    {
      final Map<String, Resource> resources = new HashMap<>();

      // Define the entry point to the admin API.
@@ -196,12 +202,41 @@
      // FIXME: Disable the warning header for now due to CREST-389 / CREST-390.
      final ResourceApiVersionBehaviourManager behaviourManager = newResourceApiVersionBehaviourManager();
      behaviourManager.setWarningEnabled(false);
      return newHttpHandler(new FilterChain(versionRouter, resourceApiVersionContextFilter(behaviourManager)));
      return new FilterChain(versionRouter, resourceApiVersionContextFilter(behaviourManager));
    }

    private Handler newHttpHandler(RequestHandler handler)
    {
      final org.forgerock.json.resource.ConnectionFactory factory = Resources.newInternalConnectionFactory(handler);
      return CrestHttp.newHttpHandler(new CrestApplication()
      {
        @Override
        public ConnectionFactory getConnectionFactory()
        {
          return factory;
        }

        @Override
        public String getApiId()
        {
          return "frapi:opendj:admin";
        }

        @Override
        public String getApiVersion()
        {
          return BuildVersion.binaryVersion().toStringNoRevision();
        }
      });
    }

    private Resource buildResource(final AbstractManagedObjectDefinition<?, ?> mod)
    {
      final Resource resource = resource(mod.getName());
      if (!mod.isTop())
      {
        resource.description(mod.getSynopsis());
      }
      configureResourceProperties(mod, resource);
      configureResourceSubResources(mod, resource, false);
      return resource;