io.ballerina.messaging.broker.client.cmd.impl.InitCmd Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. 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 io.ballerina.messaging.broker.client.cmd.impl;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import io.ballerina.messaging.broker.client.cmd.AbstractCmd;
import io.ballerina.messaging.broker.client.resources.Configuration;
import io.ballerina.messaging.broker.client.utils.Constants;
import io.ballerina.messaging.broker.client.utils.Utils;

/**
 * Representation of the broker client initialization command.
 */
@Parameters(commandDescription = "Initialize the Broker CLI Client by providing "
        + "HTTP connection details and user credentials")
public class InitCmd extends AbstractCmd {

    @Parameter(names = { "--host", "-H" }, description = "Broker admin service hostname")
    private String hostname = Constants.DEFAULT_HOSTNAME;

    @Parameter(names = { "--port", "-P" }, description = "Broker admin service port")
    private int port = Constants.DEFAULT_PORT;

    @Parameter(names = { "--username", "-u" }, description = "Username")
    private String username = Constants.DEFAULT_USERNAME;

    public InitCmd(String rootCommand) {
        super(rootCommand);
    }

    @Override
    public void execute() {
        if (help) {
            processHelpLogs();
            return;
        }

        Configuration configuration = new Configuration(hostname, port, username, password);
        Utils.createConfigurationFile(configuration);

        String message = "Initialized Broker CLI client with hostname: " + hostname + ", port: " + port + ", username: "
                + username;
        ERR_STREAM.println(message);
    }

    @Override
    public void appendUsage(StringBuilder out) {
        out.append("Usage:\n");
        out.append("  " + rootCommand + " init [flag]*\n");
    }
}