read file to Properties - Java java.util

Java examples for java.util:Properties File

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Description

read file to Properties

Demo Code

/* --------------------------------------------------------===
 * TradeManager : An application to trade strategies for the Java(tm) platform
 * --------------------------------------------------------===
 *
 * (C) Copyright 2011-2011, by Simon Allen and Contributors.
 *
 * Project Info:  org.trade// w  ww .j  a v  a 2 s  . c  o  m
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Oracle, Inc.
 * in the United States and other countries.]
 *
 * (C) Copyright 2011-2011, by Simon Allen and Contributors.
 *
 * Original Author:  Simon Allen;
 * Contributor(s):   -;
 *
 * Changes
 * -------
 *
 */
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Properties;

public class Main{
    public static void main(String[] argv){
        String filepath = "book2s.com";
        System.out.println(read(filepath));
    }
    /**
     * Method read.
     * 
     * @param filepath
     *            String
     * @return Properties
     * @throws FileNotFoundException
     */
    public static Properties read(String filepath)
            throws FileNotFoundException {
        Properties rval;
        BufferedInputStream bis = null;

        try {
            File file = new File(filepath);

            bis = new BufferedInputStream(new FileInputStream(file));
            rval = new Properties();

            rval.load(bis);

            return rval;
        } catch (IOException e) {
        } finally {
            if (bis != null) {
                try {
                    bis.close();
                } catch (IOException e) {
                }

                bis = null;
            }
        }

        // try relative to java.home
        try {
            File file = new File(System.getProperty("java.home")
                    + File.separator + filepath);

            bis = new BufferedInputStream(new FileInputStream(file));
            rval = new Properties();

            rval.load(bis);

            return rval;
        } catch (IOException e) {
        } finally {
            if (bis != null) {
                try {
                    bis.close();
                } catch (IOException e) {
                }

                bis = null;
            }
        }

        throw new FileNotFoundException("Property file " + filepath
                + " not found");
    }
}

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