it.geosolutions.tools.io.file.writer.Writer.java Source code

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Here is the source code for it.geosolutions.tools.io.file.writer.Writer.java

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/*
 * Copyright (C) 2011 - 2012  GeoSolutions S.A.S.
 * http://www.geo-solutions.it
 * 
 * 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
 */
package it.geosolutions.tools.io.file.writer;

import it.geosolutions.tools.io.file.IOUtils;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.LineIterator;

public final class Writer {

    /**
     * Open 'destination' file in append mode and append content of the
     * 'toAppend' file
     * 
     * @param toAppend
     * @param destination
     * @throws IOException
     */
    public static void appendFile(File toAppend, File destination) throws IOException {
        FileWriter fw = null;
        BufferedWriter bw = null;
        LineIterator it = null;
        try {
            fw = new FileWriter(destination, true);
            bw = new BufferedWriter(fw);
            it = FileUtils.lineIterator(toAppend);
            while (it.hasNext()) {
                bw.append(it.nextLine());
                bw.newLine();
            }
            bw.flush();
        } finally {
            if (it != null) {
                it.close();
            }
            if (bw != null) {
                IOUtils.closeQuietly(bw);
            }
            if (fw != null) {
                IOUtils.closeQuietly(fw);
            }
        }
    }
}