com.obidea.semantika.database.connection.ConnectionProviderFactory.java Source code

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Here is the source code for com.obidea.semantika.database.connection.ConnectionProviderFactory.java

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/*
 * Copyright (c) 2013-2014 Josef Hardi <josef.hardi@gmail.com>
 * 
 * Licensed 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 com.obidea.semantika.database.connection;

import java.util.Iterator;
import java.util.Properties;

import org.apache.commons.configuration.PropertiesConfiguration;

import com.obidea.semantika.app.Environment;
import com.obidea.semantika.exception.ConfigurationException;
import com.obidea.semantika.util.StringUtils;

public class ConnectionProviderFactory {
    public static IConnectionProvider createConnectionProvider(Properties properties)
            throws ConfigurationException {
        IConnectionProvider provider;
        if (!StringUtils.isEmpty(properties.getProperty(Environment.POOL_MAX_SIZE))) {
            provider = new PooledConnectionProvider();
        } else {
            provider = new JdbcConnectionProvider();
        }
        provider.configure(properties);
        return provider;
    }

    public static Properties getConnectionProperties(PropertiesConfiguration properties) {
        Properties toReturn = new Properties();
        Iterator<String> iter = properties.getKeys();
        while (iter.hasNext()) {
            String propKey = iter.next();
            if (propKey.contains(Environment.CONNECTION_PREFIX)) {
                toReturn.setProperty(propKey, properties.getString(propKey));
            }
        }
        return toReturn;
    }

    // Prevent initialization
    private ConnectionProviderFactory() {
        // NO-OP
    }
}