org.dswarm.graph.test.Neo4jEmbeddedDBWrapper.java Source code

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Here is the source code for org.dswarm.graph.test.Neo4jEmbeddedDBWrapper.java

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/**
 * This file is part of d:swarm graph extension.
 *
 * d:swarm graph extension 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.
 *
 * d:swarm graph extension 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 d:swarm graph extension.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.dswarm.graph.test;

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

import com.google.common.io.Resources;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;
import org.neo4j.server.NeoServer;
import org.neo4j.server.helpers.CommunityServerBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author tgaengler
 */
public class Neo4jEmbeddedDBWrapper implements Neo4jDBWrapper {

    private static final Logger LOG = LoggerFactory.getLogger(Neo4jEmbeddedDBWrapper.class);

    private final String MOUNT_POINT;
    private NeoServer server;

    private final int serverPort;

    public Neo4jEmbeddedDBWrapper(final String mountEndpoint) {

        final URL resource = Resources.getResource("dmpgraph.properties");
        final Properties properties = new Properties();

        try {

            properties.load(resource.openStream());
        } catch (final IOException e) {

            LOG.error("Could not load dmpgraph.properties", e);
        }

        serverPort = Integer.valueOf(properties.getProperty("embedded_neo4j_server_port", "7499"));

        MOUNT_POINT = mountEndpoint;
    }

    public void startServer() throws IOException {

        server = CommunityServerBuilder.server().onPort(serverPort)
                .withThirdPartyJaxRsPackage("org.dswarm.graph.resources", MOUNT_POINT).build();

        server.start();
    }

    @Override
    public Client client() {

        final Client c = Client.create();
        c.setChunkedEncodingSize(1024);

        return c;
    }

    public WebResource service() {

        final Client c = client();

        return c.resource(server.baseUri().resolve(MOUNT_POINT));
    }

    @Override
    public WebResource base() {

        final Client c = client();

        return c.resource(server.baseUri());
    }

    @Override
    public boolean checkServer() {

        return server != null;
    }

    @Override
    public void stopServer() {

        server.stop();
    }
}