/*
 * 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.camel.spi;

import java.util.Map;

import org.apache.camel.CamelContext;
import org.apache.camel.Consumer;
import org.apache.camel.Processor;

/**
 * Allows SPI to plugin a {@link RestApiConsumerFactory} that creates the Camel {@link Consumer} responsible for
 * handling incoming HTTP GET requests from clients that request to access the REST API documentation.
 * <p/>
 * For example most of the Camel components that supports REST-DSL does that, such as <tt>camel-jetty</tt>,
 * <tt>camel-netty-http</tt>.
 */
public interface RestApiConsumerFactory {

    /**
     * Creates a new REST API <a href="http://camel.apache.org/event-driven-consumer.html">Event Driven Consumer</a>,
     * which provides API listing of the REST services
     *
     * @param  camelContext the camel context
     * @param  processor    the processor
     * @param  contextPath  the context-path
     * @param  parameters   additional parameters
     *
     * @return              a newly created REST API consumer
     * @throws Exception    can be thrown
     */
    Consumer createApiConsumer(
            CamelContext camelContext, Processor processor, String contextPath,
            RestConfiguration configuration, Map<String, Object> parameters)
            throws Exception;

}
