package org.apache.solr.rest;
/*
 * 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.
 */

import org.apache.solr.request.SolrRequestInfo;
import org.restlet.Application;
import org.restlet.Restlet;
import org.restlet.routing.Router;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collections;
import java.util.Set;

/**
 * Restlet servlet handling /<context>/<collection>/config/* URL paths
 */
public class SolrConfigRestApi extends Application {
  public static final Logger log = LoggerFactory.getLogger(SolrConfigRestApi.class);

  private Router router;

  public SolrConfigRestApi() {
    router = new Router(getContext());
  }

  /**
   * TODO: If and when this API has reserved endpoints, add them to the set returned here.
   * @see SolrSchemaRestApi#getReservedEndpoints()
   */
  public static Set<String> getReservedEndpoints() {
    return Collections.emptySet();
  }

  @Override
  public void stop() throws Exception {
    if (null != router) {
      router.stop();
    }
  }

  /**
   * Bind URL paths to the appropriate ServerResource subclass. 
   */
  @Override
  public synchronized Restlet createInboundRoot() {

    log.info("createInboundRoot started for /config");
    
    router.attachDefault(RestManager.ManagedEndpoint.class);
    
    // attach all the dynamically registered /config resources
    RestManager restManager = 
        RestManager.getRestManager(SolrRequestInfo.getRequestInfo());
    restManager.attachManagedResources(RestManager.CONFIG_BASE_PATH, router);    

    log.info("createInboundRoot complete for /config");

    return router;
  }  
}