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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.plugin.example;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.cat.AbstractCatAction;
import org.elasticsearch.rest.action.support.RestTable;
import static org.elasticsearch.rest.RestRequest.Method.GET;
/**
* Example of adding a cat action with a plugin.
*/
public class ExampleCatAction extends AbstractCatAction {
private final ExamplePluginConfiguration config;
@Inject
public ExampleCatAction(Settings settings, RestController controller,
Client client, ExamplePluginConfiguration config) {
super(settings, controller, client);
this.config = config;
controller.registerHandler(GET, "/_cat/configured_example", this);
}
@Override
protected void doRequest(final RestRequest request, final RestChannel channel, final Client client) {
Table table = getTableWithHeader(request);
table.startRow();
table.addCell(config.getTestConfig());
table.endRow();
try {
channel.sendResponse(RestTable.buildResponse(table, channel));
} catch (Throwable e) {
try {
channel.sendResponse(new BytesRestResponse(channel, e));
} catch (Throwable e1) {
logger.error("failed to send failure response", e1);
}
}
}
@Override
protected void documentation(StringBuilder sb) {
sb.append(documentation());
}
public static String documentation() {
return "/_cat/configured_example\n";
}
@Override
protected Table getTableWithHeader(RestRequest request) {
final Table table = new Table();
table.startHeaders();
table.addCell("test", "desc:test");
table.endHeaders();
return table;
}
}
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