Example usage for java.nio.channels FileChannel size

Introduction

In this page you can find the example usage for java.nio.channels FileChannel size.

Prototype

public abstract long size() throws IOException;

Source Link

Document

Returns the current size of this channel's file.

Usage

From source file:org.pmedv.core.util.FileUtils.java

/**
 * Copies a file//from w  ww .  j  a  v a2s  .co m
 * 
 * @param in Source file
 * @param out Destination file
 * @throws IOException
 */
public static void copyFile(File in, File out) throws IOException {

    int bufsize = 8192;
    int transferred = 0;

    FileChannel inChannel = new FileInputStream(in).getChannel();
    FileChannel outChannel = new FileOutputStream(out).getChannel();

    try {
        while (transferred < inChannel.size()) {
            inChannel.transferTo(transferred, bufsize, outChannel);
            transferred += bufsize;
        }

    } catch (IOException e) {
        throw e;
    } finally {
        if (inChannel != null) {
            inChannel.close();
        }
        if (outChannel != null) {
            outChannel.close();
        }
    }
}

From source file:org.cloudata.core.commitlog.pipe.CommitLogFileChannel.java

public static long readLastIndex(FileChannel ch) throws IOException {
    ByteBuffer buf = ByteBuffer.allocate(Long.SIZE / 8);
    long chSize = ch.size();

    if (chSize > 0) {
        ch.position(chSize > (Long.SIZE / 8) ? chSize - (Long.SIZE / 8) : 0);
        ch.read(buf);// w w  w .ja  v a  2s  . co m
        buf.flip();
        return buf.getLong();
    } else {
        return 0;
    }
}

From source file:org.pmedv.core.util.FileUtils.java

/**
 * Copies a file from in to out using a progress monitor
 * //www .  ja  va  2s. com
 * @param in the file to read from
 * @param out the file to write to
 * @param monitor the monitor interface to use
 * @throws IOException
 */
public static void copyFile(File in, File out, IProgressMonitor monitor) throws IOException {

    int bufsize = 8192;
    int transferred = 0;

    FileChannel inChannel = new FileInputStream(in).getChannel();
    FileChannel outChannel = new FileOutputStream(out).getChannel();

    try {
        while (transferred < inChannel.size()) {
            inChannel.transferTo(transferred, bufsize, outChannel);
            transferred += bufsize;
            int progress = (int) (transferred / (inChannel.size() / 100));
            monitor.setProgress(progress);
        }

    } catch (IOException e) {
        throw e;
    } finally {
        if (inChannel != null) {
            inChannel.close();
        }
        if (outChannel != null) {
            outChannel.close();
        }
    }
}

From source file:com.germinus.easyconf.FileUtil.java

public static void copyFile(File source, File destination) {
    if (!source.exists()) {
        return;/*from   ww w .j a v  a  2 s  . c  o m*/
    }

    if ((destination.getParentFile() != null) && (!destination.getParentFile().exists())) {

        destination.getParentFile().mkdirs();
    }

    try {
        FileChannel srcChannel = new FileInputStream(source).getChannel();
        FileChannel dstChannel = new FileOutputStream(destination).getChannel();

        dstChannel.transferFrom(srcChannel, 0, srcChannel.size());

        srcChannel.close();
        dstChannel.close();
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
}

From source file:net.ftb.util.FileUtils.java

public static void copyFile(File sourceFile, File destinationFile, boolean overwrite) throws IOException {
    if (sourceFile.exists()) {
        if (!destinationFile.exists()) {
            destinationFile.getParentFile().mkdirs();
            destinationFile.createNewFile();
        } else if (!overwrite)
            return;
        FileChannel sourceStream = null, destinationStream = null;
        try {/*w  w w . ja v a  2  s  . c  o  m*/
            sourceStream = new FileInputStream(sourceFile).getChannel();
            destinationStream = new FileOutputStream(destinationFile).getChannel();
            destinationStream.transferFrom(sourceStream, 0, sourceStream.size());
        } finally {
            if (sourceStream != null) {
                sourceStream.close();
            }
            if (destinationStream != null) {
                destinationStream.close();
            }
        }
    }
}

From source file:com.edgenius.core.util.FileUtil.java

public static void copyFile(File in, File out) throws Exception {
    FileChannel sourceChannel = new FileInputStream(in).getChannel();
    FileChannel destinationChannel = new FileOutputStream(out).getChannel();
    sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
    sourceChannel.close();/*from   w  ww.ja v  a2s  .co  m*/
    destinationChannel.close();
}

From source file:net.ftb.util.FTBFileUtils.java

public static void copyFile(File sourceFile, File destinationFile, boolean overwrite) throws IOException {
    if (sourceFile.exists()) {
        if (!destinationFile.exists()) {
            destinationFile.getParentFile().mkdirs();
            destinationFile.createNewFile();
        } else if (!overwrite) {
            return;
        }//from  w w  w  .  jav  a 2s . c  om
        FileChannel sourceStream = null, destinationStream = null;
        try {
            sourceStream = new FileInputStream(sourceFile).getChannel();
            destinationStream = new FileOutputStream(destinationFile).getChannel();
            destinationStream.transferFrom(sourceStream, 0, sourceStream.size());
        } finally {
            if (sourceStream != null) {
                sourceStream.close();
            }
            if (destinationStream != null) {
                destinationStream.close();
            }
        }
    }
}

From source file:org.infai.amor.test.ModelUtil.java

public static void copyFile(final File in, final File out) throws IOException {
    final FileChannel inChannel = new FileInputStream(in).getChannel();
    final FileChannel outChannel = new FileOutputStream(out).getChannel();
    try {/*from   www.  ja  v a  2 s.  com*/
        inChannel.transferTo(0, inChannel.size(), outChannel);
    } catch (final IOException e) {
        throw e;
    } finally {
        if (inChannel != null) {
            inChannel.close();
        }
        if (outChannel != null) {
            outChannel.close();
        }
    }
}

From source file:org.messic.service.MessicMain.java

private static void copyFile(File source, File dest) throws IOException {
    FileChannel sourceChannel = null;
    FileChannel destChannel = null;
    try {//  www  . ja  v a 2 s.co m
        sourceChannel = new FileInputStream(source).getChannel();
        destChannel = new FileOutputStream(dest).getChannel();
        destChannel.transferFrom(sourceChannel, 0, sourceChannel.size());
    } finally {
        sourceChannel.close();
        destChannel.close();
    }
}

From source file:com.bb.extensions.plugin.unittests.internal.utilities.FileUtils.java

/**
 * Copy sourceFile to destFile/*  ww  w.  j a  v a 2 s  . co m*/
 * 
 * @param sourceFile
 *            The source file to copy from
 * @param destFile
 *            The destination file to copy to
 * @throws IOException
 */
public static void 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();
        }
    }
}