/*
 * Copyright 2016-2019 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.integration.http.management;

import org.springframework.integration.graph.Graph;
import org.springframework.integration.graph.IntegrationGraphServer;
import org.springframework.integration.http.config.HttpContextUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * The REST Controller to provide the management API over {@link IntegrationGraphServer}.
 *
 * @author Artem Bilan
 *
 * @since 4.3
 */
@RestController
@RequestMapping(IntegrationGraphController.REQUEST_MAPPING_PATH_VARIABLE)
public class IntegrationGraphController {

	static final String REQUEST_MAPPING_PATH_VARIABLE =
			"${" + HttpContextUtils.GRAPH_CONTROLLER_PATH_PROPERTY +  ":" +
					HttpContextUtils.GRAPH_CONTROLLER_DEFAULT_PATH + "}";

	private final IntegrationGraphServer integrationGraphServer;

	public IntegrationGraphController(IntegrationGraphServer integrationGraphServer) {
		this.integrationGraphServer = integrationGraphServer;
	}

	@GetMapping(name = "getGraph")
	public Graph getGraph() {
		return this.integrationGraphServer.getGraph();
	}

	@GetMapping(path = "/refresh", name = "refreshGraph")
	public Graph refreshGraph() {
		return this.integrationGraphServer.rebuild();
	}

}
