com.willwinder.universalgcodesender.connection.ConnectionFactory.java Source code

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Here is the source code for com.willwinder.universalgcodesender.connection.ConnectionFactory.java

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/*
Copyright 2015-2018 Will Winder
    
This file is part of Universal Gcode Sender (UGS).
    
UGS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
UGS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with UGS.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.willwinder.universalgcodesender.connection;

import org.apache.commons.lang3.StringUtils;

import java.util.Collections;
import java.util.List;
import java.util.Optional;

/**
 * A factory for creating a serial connection object using the settings
 *
 * @author wwinder
 */
public class ConnectionFactory {

    /**
     * Returns a new instance of a connection from an uri. The uri should be start with a protocol
     * {@link ConnectionDriver#getProtocol()} that defines which driver to use. The driver may then
     * have different styles for defining paths, ex: jserialcomm://{portname}:{baudrate}
     *
     * @param uri the uri for the hardware to connect to
     * @return a connection
     * @throws ConnectionException if something went wron while creating the connection
     */
    static public Connection getConnection(String uri) throws ConnectionException {
        for (ConnectionDriver connectionDriver : ConnectionDriver.values()) {
            if (StringUtils.startsWithIgnoreCase(uri, connectionDriver.getProtocol())) {
                Connection connection = getConnection(connectionDriver).orElseThrow(() -> new ConnectionException(
                        "Couldn't load connection driver " + connectionDriver + " for uri: " + uri));
                connection.setUri(uri);
                return connection;
            }
        }

        throw new ConnectionException("Couldn't find connection driver for uri: " + uri);
    }

    public static List<String> getPortNames(ConnectionDriver connectionDriver) {
        return getConnection(connectionDriver).map(Connection::getPortNames).orElseGet(Collections::emptyList);
    }

    public static Optional<Connection> getConnection(ConnectionDriver connectionDriver) {
        if (connectionDriver == ConnectionDriver.JSERIALCOMM) {
            return Optional.of(new JSerialCommConnection());
        } else if (connectionDriver == ConnectionDriver.JSSC) {
            return Optional.of(new JSSCConnection());
        } else if (connectionDriver == ConnectionDriver.TCP) {
            return Optional.of(new TCPConnection());
        }
        return Optional.empty();
    }
}