/*
 * Licensed to ElasticSearch and Shay Banon 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.rest.action.cat;

import org.elasticsearch.client.Client;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.*;

import static org.elasticsearch.rest.action.support.RestTable.buildHelpWidths;
import static org.elasticsearch.rest.action.support.RestTable.pad;

/**
 *
 */
public abstract class AbstractCatAction extends BaseRestHandler {

    public AbstractCatAction(Settings settings, Client client) {
        super(settings, client);
    }

    abstract void doRequest(final RestRequest request, final RestChannel channel);
    abstract void documentation(StringBuilder sb);
    abstract Table getTableWithHeader(final RestRequest request);

    @Override
    public void handleRequest(final RestRequest request, final RestChannel channel) {
        boolean helpWanted = request.paramAsBoolean("h", false);
        if (helpWanted) {
            Table table = getTableWithHeader(request);
            int[] width = buildHelpWidths(table, request, false);
            StringBuilder out = new StringBuilder();
            for (Table.Cell cell : table.getHeaders()) {
                // need to do left-align always, so create new cells
                pad(new Table.Cell(cell.value), width[0], request, out);
                out.append(" ");
                pad(new Table.Cell(cell.attr.containsKey("desc") ? cell.attr.get("desc") : "not available"), width[1], request, out);
                out.append("\n");
            }
            channel.sendResponse(new StringRestResponse(RestStatus.OK, out.toString()));
        } else {
            doRequest(request, channel);
        }
    }


}

@@ -2130,16 +2130,18 @@
 append(%22
+ %7C
  %22);%0A   

Add column separator for help output.