v7db.files.mongodb.Tenants.java Source code

Introduction

Here is the source code for v7db.files.mongodb.Tenants.java

Source

/**
 * Copyright (c) 2011-2012, Thilo Planz. All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package v7db.files.mongodb;

import java.util.Properties;

import org.apache.commons.lang3.StringUtils;

import com.mongodb.Mongo;

public class Tenants {

    /**
     * 
     * @return null, if the mapped database does not yet exist
     */
    public static String getTenantDbName(Mongo mongo, Properties props, String tenantName) {
        if (props != null && "single".equals(getTenancyMode(props))) {
            return props.getProperty("mongo.db");
        }

        // TODO: some kind of mapping
        final String tenantDbName = tenantName;
        if (StringUtils.isBlank(tenantDbName))
            return null;
        if (mongo.getDB(tenantDbName).collectionExists("v7files"))
            return tenantDbName;
        return null;
    }

    public static String getTenancyMode(Properties props) {
        String mode = props.getProperty("v7files.tenants");
        if ("single".equals(mode))
            return mode;

        if ("path".equals(mode))
            return mode;

        throw new IllegalArgumentException("unsupported tenancy mode: " + mode);
    }

}