Example usage for java.nio.channels FileChannel close

List of usage examples for java.nio.channels FileChannel close

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Introduction

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

Prototype

public final void close() throws IOException

Source Link

Document

Closes this channel.

Usage

From source file:Main.java

public static Bitmap convertToMutable(Bitmap srcBitmap, String cacheDirPath, String tempFileName) {
    try {//from ww w  .j av  a 2  s . c o  m
        // this is the file going to use temporally to save the bytes.
        // This file will not be a image, it will store the raw image data.
        int index = tempFileName.lastIndexOf(".");
        if (index != -1)
            tempFileName = tempFileName.substring(0, index);
        File file = new File(cacheDirPath + File.separator + tempFileName + ".tmp");

        // Open an RandomAccessFile
        // Make sure you have added uses-permission
        // android:name="android.permission.WRITE_EXTERNAL_STORAGE"
        // into AndroidManifest.xml file
        RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw");

        // get the width and height of the source bitmap.
        int width = srcBitmap.getWidth();
        int height = srcBitmap.getHeight();
        Config type = srcBitmap.getConfig();

        // Copy the byte to the file
        // Assume source bitmap loaded using options.inPreferredConfig =
        // Config.ARGB_8888;
        FileChannel channel = randomAccessFile.getChannel();
        MappedByteBuffer map = channel.map(MapMode.READ_WRITE, 0, srcBitmap.getRowBytes() * height);
        srcBitmap.copyPixelsToBuffer(map);
        // recycle the source bitmap, this will be no longer used.
        srcBitmap.recycle();
        System.gc();// try to force the bytes from the imgIn to be released

        // Create a new bitmap to load the bitmap again. Probably the memory
        // will be available.
        srcBitmap = Bitmap.createBitmap(width, height, type);
        map.position(0);
        // load it back from temporary
        srcBitmap.copyPixelsFromBuffer(map);
        // close the temporary file and channel , then delete that also
        channel.close();
        randomAccessFile.close();

        // delete the temp file
        file.delete();

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return srcBitmap;
}

From source file:es.uvigo.darwin.jmodeltest.io.HtmlReporter.java

@SuppressWarnings("resource")
public static void copyFile(File in, File out) throws IOException {
    FileChannel inChannel = new FileInputStream(in).getChannel();
    FileChannel outChannel = new FileOutputStream(out).getChannel();
    try {/* w w w .  ja  v  a2 s.c o m*/
        inChannel.transferTo(0, inChannel.size(), outChannel);
    } catch (IOException e) {
        throw e;
    } finally {
        if (inChannel != null)
            inChannel.close();
        if (outChannel != null)
            outChannel.close();
    }
}

From source file:de.ingrid.portal.portlets.admin.AdminPortalProfilePortlet.java

/**
 * Copy Files in file system.//w  w w  .  j a  v  a  2 s. c o  m
 * 
 * @param source
 * @param dest
 * @throws IOException
 */
private static void copy(File source, File dest) throws IOException {
    FileChannel in = null, out = null;
    try {
        in = new FileInputStream(source).getChannel();
        out = new FileOutputStream(dest).getChannel();

        in = new FileInputStream(source).getChannel();
        out = new FileOutputStream(dest).getChannel();
        out.transferFrom(in, 0, in.size());
    } catch (Exception e) {
        log.error("Error copy files ('" + source.getAbsolutePath() + "' -> '" + dest.getAbsolutePath() + "')",
                e);
    } finally {
        if (in != null)
            in.close();
        if (out != null)
            out.close();
    }
}

From source file:com.liferay.util.FileUtil.java

public static void copyFile(File source, File destination, boolean hardLinks) {
    if (!source.exists()) {
        return;//w  w  w  .ja  v a  2 s  .  com
    }

    if (hardLinks && !Config.getBooleanProperty("CONTENT_VERSION_HARD_LINK", true)) {
        hardLinks = false;
    }

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

        destination.getParentFile().mkdirs();
    }

    if (hardLinks) {
        // I think we need to be sure to unlink first
        if (destination.exists()) {
            JNALibrary.unlink(destination.getAbsolutePath());
        }

        try {
            JNALibrary.link(source.getAbsolutePath(), destination.getAbsolutePath());
            // setting this means we will try again if we cannot hard link
            if (!destination.exists()) {
                hardLinks = false;
            }
        } catch (IOException e) {
            Logger.error(FileUtil.class, "Can't create hardLink. source: " + source.getAbsolutePath()
                    + ", destination: " + destination.getAbsolutePath());
            // setting this means we will try again if we cannot hard link
            hardLinks = false;
        }

    }
    if (!hardLinks) {
        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) {
            Logger.error(FileUtil.class, ioe.getMessage(), ioe);
        }
    }

}

From source file:log4JToXml.xmlToProperties.XmlToLog4jConverterImpl.java

private static void copyFile(File sourceFile, File destFile) throws IOException {

    FileChannel source = null;
    FileChannel destination = null;

    try {/* w w w .  j a va 2  s .com*/
        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();
        }
    }
}

From source file:gov.nasa.ensemble.common.io.FileUtilities.java

/**
 * Make a copy of a file on the filesystem (platform independent).
 * /*w  w  w  .j  a  va  2  s  . c  o  m*/
 * @param source
 *            the file to copy.
 * @param dest
 *            the copy to make.
 * @return whether the file copy exists on the filesystem upon completion.
 * @throws IOException
 */
public static boolean copyFile(File source, File dest) throws IOException {
    FileInputStream sourceStream = new FileInputStream(source);
    FileChannel sourceChannel = sourceStream.getChannel();
    FileOutputStream destStream = new FileOutputStream(dest);
    FileChannel destChannel = destStream.getChannel();
    try {
        sourceChannel.transferTo(0, sourceChannel.size(), destChannel);
    } catch (IOException ex) {
        if (ex.getCause() instanceof OutOfMemoryError) {
            IOUtils.copy(sourceStream, destStream);
        }
    } finally {
        destChannel.close();
        IOUtils.closeQuietly(destStream);
        sourceChannel.close();
        IOUtils.closeQuietly(sourceStream);
    }

    return dest.exists();
}

From source file:it.geosolutions.tools.io.file.Copy.java

/**
 * Copy the input file onto the output file using the specified buffer size.
 * /*from ww  w . j  a  va 2s  . c om*/
 * @param sourceFile
 *            the {@link File} to copy from.
 * @param destinationFile
 *            the {@link File} to copy to.
 * @param size
 *            buffer size.
 * @throws IOException
 *             in case something bad happens.
 */
public static void copyFile(File sourceFile, File destinationFile, int size) throws IOException {
    Objects.notNull(sourceFile, destinationFile);
    if (!sourceFile.exists() || !sourceFile.canRead() || !sourceFile.isFile())
        throw new IllegalStateException("Source is not in a legal state.");
    if (!destinationFile.exists()) {
        destinationFile.createNewFile();
    }
    if (destinationFile.getAbsolutePath().equalsIgnoreCase(sourceFile.getAbsolutePath()))
        throw new IllegalArgumentException("Cannot copy a file on itself");

    RandomAccessFile s = null, d = null;
    FileChannel source = null;
    FileChannel destination = null;
    try {
        s = new RandomAccessFile(sourceFile, "r");
        source = s.getChannel();
        d = new RandomAccessFile(destinationFile, "rw");
        destination = d.getChannel();
        IOUtils.copyFileChannel(size, source, destination);
    } finally {
        if (source != null) {
            try {
                source.close();
            } catch (Throwable t) {
                if (LOGGER.isInfoEnabled())
                    LOGGER.info(t.getLocalizedMessage(), t);
            }
        }
        if (s != null) {
            try {
                s.close();
            } catch (Throwable t) {
                if (LOGGER.isInfoEnabled())
                    LOGGER.info(t.getLocalizedMessage(), t);
            }
        }

        if (destination != null) {
            try {
                destination.close();
            } catch (Throwable t) {
                if (LOGGER.isInfoEnabled())
                    LOGGER.info(t.getLocalizedMessage(), t);
            }
        }

        if (d != null) {
            try {
                d.close();
            } catch (Throwable t) {
                if (LOGGER.isInfoEnabled())
                    LOGGER.info(t.getLocalizedMessage(), t);
            }
        }
    }
}

From source file:Main.java

public static void copyInputStreamToFile(InputStream inputStream, File file) throws IOException {
    FileOutputStream fileOutputStream = null;
    FileChannel fileChannel = null;
    try {/*from ww w  .j  a  v  a2s. co  m*/
        fileOutputStream = new FileOutputStream(file);
        fileChannel = fileOutputStream.getChannel();
        byte[] bArr = new byte[4096];
        while (true) {
            int read = inputStream.read(bArr);
            if (read <= 0) {
                break;
            }
            fileChannel.write(ByteBuffer.wrap(bArr, SYSTEM_ROOT_STATE_DISABLE, read));
        }

    } catch (Throwable throwable) {
        throwable.printStackTrace();
    } finally {

        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        if (fileChannel != null) {
            try {
                fileChannel.close();
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        if (fileOutputStream != null) {
            try {
                fileOutputStream.close();
            } catch (Exception e22) {
                e22.printStackTrace();
            }
        }
    }
}

From source file:org.mule.util.FileUtils.java

/** 
 * Try to move a file by renaming with backup attempt by copying/deleting via NIO.
 * Creates intermidiate directories as required.
 *//*from w ww . j  a  va 2 s .  com*/
public static boolean moveFileWithCopyFallback(File sourceFile, File destinationFile) {
    // try fast file-system-level move/rename first
    boolean success = sourceFile.renameTo(destinationFile);

    if (!success) {
        // try again using NIO copy
        FileInputStream fis = null;
        FileOutputStream fos = null;
        try {
            fis = new FileInputStream(sourceFile);
            if (!destinationFile.exists()) {
                FileUtils.createFile(destinationFile.getPath());
            }
            fos = new FileOutputStream(destinationFile);
            FileChannel srcChannel = fis.getChannel();
            FileChannel dstChannel = fos.getChannel();
            dstChannel.transferFrom(srcChannel, 0, srcChannel.size());
            srcChannel.close();
            dstChannel.close();
            success = sourceFile.delete();
        } catch (IOException ioex) {
            // grr!
            success = false;
        } finally {
            IOUtils.closeQuietly(fis);
            IOUtils.closeQuietly(fos);
        }
    }

    return success;
}

From source file:eu.nubomedia.nubomedia_kurento_health_communicator_android.kc_and_communicator.util.FileUtils.java

public static void copyFile(File src, File dst) throws IOException {
    FileChannel inChannel = new FileInputStream(src).getChannel();
    FileChannel outChannel = new FileOutputStream(dst).getChannel();

    try {//from   w  w  w  .j ava  2s.c o m
        inChannel.transferTo(0, inChannel.size(), outChannel);
    } finally {
        if (inChannel != null)
            inChannel.close();
        if (outChannel != null)
            outChannel.close();
    }
}