Mega Code Archive
Copy a file from one location to another
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//package bander.fileman.util;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
/** Utility class containing File-related helper functions. */
public class FileUtils {
/**
* Copy a file from one location to another.
*
* @param sourceFile
* File to copy from.
* @param destFile
* File to copy to.
* @return True if successful, false otherwise.
* @throws IOException
*/
public static Boolean copyFile(File sourceFile, File destFile)
throws IOException {
if (!destFile.exists()) {
destFile.createNewFile();
FileChannel source = null;
FileChannel destination = null;
try {
source = new FileInputStream(sourceFile).getChannel();
destination = new FileOutputStream(destFile).getChannel();
destination.transferFrom(source, 0, source.size());
} finally {
if (source != null)
source.close();
if (destination != null)
destination.close();
}
return true;
}
return false;
}
/**
* Read a text file into a String.
*
* @param file
* File to read (will not seek, so things like /proc files are
* OK).
* @return The contents of the file as a String.
* @throws IOException
*/
public static String readTextFile(File file) throws IOException {
byte[] buffer = new byte[(int) file.length()];
BufferedInputStream stream = new BufferedInputStream(
new FileInputStream(file));
stream.read(buffer);
stream.close();
return new String(buffer);
}
}
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