Android Open Source - WineDB File Utils

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License

The source code is released under:

MIT License

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Java Source Code

package com.selesse.android.winedb.database;
// w w w . ja v  a 2 s.com
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

public class FileUtils {
    /**
     * Creates the specified <code>toFile</code> as a byte for byte copy of the <code>fromFile</code>.
     * If <code>toFile</code> already exists, then it will be replaced with a copy of
     * <code>fromFile</code>. The name and path of <code>toFile</code> will be that of
     * <code>toFile</code>.<br/>
     * <br/>
     * <i> Note: <code>fromFile</code> and <code>toFile</code> will be closed by this function.</i>
     *
     * @param fromFile - FileInputStream for the file to copy from.
     * @param toFile   - FileInputStream for the file to copy to.
     */
    public static void copyFile(FileInputStream fromFile, FileOutputStream toFile) throws IOException {
        FileChannel fromChannel = null;
        FileChannel toChannel = null;
        try {
            fromChannel = fromFile.getChannel();
            toChannel = toFile.getChannel();
            fromChannel.transferTo(0, fromChannel.size(), toChannel);
        } finally {
            try {
                if (fromChannel != null) {
                    fromChannel.close();
                }
            } finally {
                if (toChannel != null) {
                    toChannel.close();
                }
            }
        }
    }
}

Java Source Code List