Example usage for java.io File File

Introduction

In this page you can find the example usage for java.io File File.

Prototype

public File(URI uri)

Source Link

Document

Creates a new File instance by converting the given file: URI into an abstract pathname.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage img = colorImage(ImageIO.read(new File("NWvnS.png")));
    ImageIO.write(img, "png", new File("Test.png"));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile(new File("filename.jar"), true);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }/*  w  ww .  j a va 2s  .  c o  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    copy(new File("src.dat"), new File("dst.dat"));

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile(new File("filename.jar"), true, JarFile.OPEN_READ);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }/*from w  ww  . jav  a  2  s . c o m*/
}

From source file:Main.java

public static void main(String args[]) throws IOException {

    JarFile jarFile = new JarFile(new File("c:/abc/yourJarFileName.jar"));
    Enumeration<JarEntry> e = jarFile.entries();
    while (e.hasMoreElements()) {
        process(e.nextElement());//from w  ww  .  j av a2 s. c  o m
    }
    jarFile.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    File aFile = new File("primes.txt");
    FileInputStream inFile = new FileInputStream(aFile);
    FileChannel inChannel = inFile.getChannel();
    ByteBuffer buf = ByteBuffer.allocateDirect(1024);
    buf.position(buf.limit());/*from   w  ww.j  a v  a  2s  .c om*/
    while (true) {
        if (buf.remaining() < 8) {
            if (inChannel.read(buf.compact()) == -1) {
                break;
            }
            buf.flip();
        }
        int strLength = (int) buf.getDouble();
        if (buf.remaining() < 2 * strLength) {
            if (inChannel.read(buf.compact()) == -1) {
                break;
            }
            buf.flip();
        }
        byte[] strChars = new byte[2 * strLength];
        buf.get(strChars);
        if (buf.remaining() < 8) {
            if (inChannel.read(buf.compact()) == -1) {
                break;
            }
            buf.flip();
        }
        System.out.println(strLength);
        System.out.println(ByteBuffer.wrap(strChars).asCharBuffer());
        System.out.println(buf.getLong());
    }
    inFile.close();
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    BufferedImage img1 = ImageIO.read(new File("c:/Java_Dev/1.png"));
    BufferedImage img2 = ImageIO.read(new File("c:/Java_Dev/2.png"));
    BufferedImage joinedImg = joinBufferedImage(img1, img2);
    ImageIO.write(joinedImg, "png", new File("c:/Java_Dev/joined.png"));
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    String s = "<xmltag atr=value>tag data</xmltag>";
    FileWriter fr = new FileWriter(new File("a.txt"));
    Writer br = new BufferedWriter(fr);
    br.write(s);//from ww w.j av  a 2 s  . c  o  m
    br.close();
}

From source file:MainClass.java

public static void main(String[] args) throws IOException {
    FileChannel fc = new FileInputStream(new File("temp.tmp")).getChannel();
    IntBuffer ib = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size()).asIntBuffer();
    while (ib.hasRemaining())
        ib.get();//from   w w  w  . j  a v  a 2  s.co m
    fc.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JFileChooser chooser = new JFileChooser();
    File f = new File(new File("filename.txt").getCanonicalPath());

    chooser.setFileSystemView(FileSystemView.getFileSystemView());
    chooser.showDialog(new JFrame(""), null);
    File curFile = chooser.getSelectedFile();
}