org.elasticsearch.rest.action.cat.RestCatAction Maven / Gradle / Ivy

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.rest.action.cat;

import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestStatus;

import java.io.IOException;
import java.util.List;

import static org.elasticsearch.rest.RestRequest.Method.GET;

public class RestCatAction extends BaseRestHandler {

    private static final String CAT = "=^.^=";
    private static final String CAT_NL = CAT + "\n";
    private final String HELP;

    public RestCatAction(List catActions) {
        StringBuilder sb = new StringBuilder();
        sb.append(CAT_NL);
        for (AbstractCatAction catAction : catActions) {
            catAction.documentation(sb);
        }
        HELP = sb.toString();
    }

    @Override
    public List routes() {
        return List.of(new Route(GET, "/_cat"));
    }

    @Override
    public String getName() {
        return "cat_action";
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        return channel -> channel.sendResponse(new BytesRestResponse(RestStatus.OK, HELP));
    }

}