infowall.infrastructure.ConfigRootImpl.java Source code

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Here is the source code for infowall.infrastructure.ConfigRootImpl.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 infowall.infrastructure;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.stereotype.Service;

import java.io.File;

/**
 *
 */
@Service
class ConfigRootImpl implements InitializingBean, ConfigRoot {

    private final Logger logger = LoggerFactory.getLogger(ConfigRootImpl.class);

    private File directory;

    @Override
    public void afterPropertiesSet() throws Exception {
        String property = System.getProperty("infowall.config-root");
        if (property == null) {
            throw new IllegalArgumentException("The System Property -Dinfowall.config-root is not set.");
        }
        directory = new File(property);

        if (!directory.exists()) {
            throw new IllegalArgumentException("The Config Root '" + property + "' from the "
                    + "System Property -Dinfowall.config-root does not exist");
        }

        logger.info("Config Root Directory successfully set to '{}'.", directory.getAbsolutePath());
    }

    @Override
    public File getDirectory() {
        return directory;
    }
}