com.meltmedia.cadmium.core.config.impl.PropertiesWriterImpl.java Source code

Introduction

Here is the source code for com.meltmedia.cadmium.core.config.impl.PropertiesWriterImpl.java

Source

/**
 *    Copyright 2012 meltmedia
 *
 *    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.meltmedia.cadmium.core.config.impl;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;

import com.meltmedia.cadmium.core.config.PropertiesWriter;

/**
 * This implements the PropertiesWriter Interface.  For use in the ConfigManager class 
 * 
 * @author Brian Barr
 */

public class PropertiesWriterImpl implements PropertiesWriter {

    @Override
    public void persistProperties(Properties properties, File propsFile, String message, Logger log) {

        if (propsFile.canWrite() || !propsFile.exists()) {

            FileOutputStream out = null;

            try {

                ensureDirExists(propsFile.getParent());
                out = new FileOutputStream(propsFile);
                properties.store(out, message);
                out.flush();
            } catch (Exception e) {

                log.warn("Failed to persist vault properties file.", e);
            } finally {
                IOUtils.closeQuietly(out);
            }

        }

    }

    private static void ensureDirExists(String dir) throws IOException {
        File file = new File(dir);
        FileUtils.forceMkdir(file);
    }

}