com.zenika.doclipser.api.DockerClientFactory.java Source code

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Here is the source code for com.zenika.doclipser.api.DockerClientFactory.java

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/**
 * Copyright (c) 2015 Zenika
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Mario Loriedo @mariolet - Initial implementation
 */
package com.zenika.doclipser.api;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

import com.google.common.io.ByteSource;
import com.google.common.io.Resources;

public final class DockerClientFactory {

    public static DockerClient makeDockerClient() {
        String dockerClientClassName = getDockerClientClassName();
        return makeDockerClient(dockerClientClassName);
    }

    public static DockerClient makeDockerClient(String dockerClientClassName) {
        try {
            return (DockerClient) Class.forName(dockerClientClassName).newInstance();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    private static String getDockerClientClassName() {
        final URL url = Resources.getResource(Constants.PROPERTY_FILE_NAME);
        final ByteSource byteSource = Resources.asByteSource(url);
        final Properties properties = new Properties();
        InputStream inputStream = null;
        try {
            inputStream = byteSource.openBufferedStream();
            properties.load(inputStream);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (final IOException ioException) {
                    ioException.printStackTrace();
                }
            }
        }
        return properties.getProperty(Constants.PROPERTY_DOCKER_CLIENT_LIB);
    }

}