org.bidib.wizard.common.script.common.DisconnectCommand Maven / Gradle / Ivy

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package org.bidib.wizard.common.script.common;

import java.util.Scanner;

import org.apache.commons.lang3.StringUtils;
import org.bidib.wizard.api.context.ApplicationContext;
import org.bidib.wizard.api.script.ScriptOptionAwareCommand;
import org.bidib.wizard.api.script.Scripting;
import org.bidib.wizard.api.service.console.ConsoleColor;
import org.bidib.wizard.api.service.console.ConsoleService;
import org.bidib.wizard.common.script.AbstractScriptCommand;
import org.bidib.wizard.common.script.ScriptExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DisconnectCommand extends AbstractScriptCommand implements ScriptOptionAwareCommand {

    private static final Logger LOGGER = LoggerFactory.getLogger(DisconnectCommand.class);

    public static final String KEY = "disconnect";

    public static final String HELP =
        CODE_BLOCK_START + KEY + prepareHelpHtml(" --id=") + DIV_END + prepareHelpHtml(
            "\nDisconnect from BiDiB system. The connectionId is the connection identifier. The standard value is 'main'.\n\nExample:\n")
            + CODE_BLOCK_START + prepareHelpHtml("disconnect --id=main") + DIV_END;

    private String connectionId;

    public DisconnectCommand(ConsoleService consoleService) {
        super(consoleService, KEY, HELP);
    }

    protected String getConnectionId() {
        return connectionId;
    }

    @Override
    public String getOptionKey() {
        return Scripting.OPTION_DISCONNECT_ON_ERROR;
    }

    @Override
    public void parse(String commandLine) {

        setLine(commandLine.trim());

        try (Scanner scanner = new Scanner(commandLine)) {
            if (!getKey().equals(scanner.next())) {
                LOGGER.info("Invalid command is scanned, key does not match.");
            }
            line = commandLine.trim();

            try {
                connectionId = scanner.next("--id=(.+)").substring(5);
            }
            catch (Exception ex) {
                LOGGER.warn("No connectionId found.", ex);

                throw new RuntimeException("disconnect: No connectionId found.");
            }
        }

        LOGGER.info("Current connectionId: {}", connectionId);
    }

    @Override
    protected void internalExecute(CommonScripting scripting, ApplicationContext context) {

        if (StringUtils.isBlank(connectionId)) {
            throw new ScriptExecutionException("No connectionId provided.", this);
        }

        try {
            scripting.disconnect(connectionId);

            getConsoleService().addConsoleLine(ConsoleColor.gray, "Disconnect passed.");
        }
        catch (Exception ex) {
            LOGGER.warn("Connect failed.", ex);
            throw new ScriptExecutionException("Disconnect from BiDiB system failed: " + ex.getMessage(), this);
        }
    }

}