net.bpfurtado.ljcolligo.util.Util.java Source code

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Here is the source code for net.bpfurtado.ljcolligo.util.Util.java

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/**
 * Created by Bruno Patini Furtado [http://bpfurtado.livejournal.com]
 * Created on Nov 2007
 * 
 * This file is part of LJColligo.
 * 
 * LJColligo 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.
 * 
 * LJColligo 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 LJColligo.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Project page: http://sourceforge.net/projects/ljcolligo/
 */
package net.bpfurtado.ljcolligo.util;

import java.io.File;
import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.Map.Entry;

import net.bpfurtado.ljcolligo.GetEvents;
import net.bpfurtado.ljcolligo.LJColligoException;

import org.apache.log4j.Logger;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

public class Util {
    private static final Logger logger = Logger.getLogger(Util.class);

    private static SimpleDateFormat outputFileDateFormatter = new SimpleDateFormat("yyyy-MM-dd_HHmmss");

    public static File genFile(String userName, String outputPath, String extension) {
        File outputDir = new File(outputPath);
        if (!outputDir.exists()) {
            logger.info("Creating dir [" + outputPath + "]");
            outputDir.mkdirs();
        } else if (outputDir.isFile()) {
            throw new LJColligoException("the output path [" + outputPath + "] is a file and should be a dir");
        }

        return new File(outputPath + "LJColligo_" + userName + "_" + outputFileDateFormatter.format(new Date())
                + extension);
    }

    public static void print(Map<String, Object> map) {
        for (Entry<String, Object> e : map.entrySet()) {
            GetEvents.logger.debug("\t" + e.getKey() + "=" + e.getValue());
        }
    }

    public static void save(Element root, File file) {
        OutputFormat format = OutputFormat.createPrettyPrint();
        format.setIndentSize(4);
        format.setEncoding("UTF-8");
        format.setNewlines(true);
        format.setLineSeparator(System.getProperty("line.separator"));
        XMLWriter writer;
        try {
            writer = new XMLWriter(new FileWriter(file), format);
            writer.startDocument();
            writer.write(root);
            writer.close();
            logger.debug("All entries saved to file [" + file.getAbsolutePath() + "]");
        } catch (Exception e) {
            throw new LJColligoException("File [" + file.getAbsolutePath() + "]", e);
        }
    }
}