Examples of java.io.File$LazyInitialization

java.io.File
An abstract representation of file and directory pathnames.
User interfaces and operating systems use system-dependent pathname strings to name files and directories. This class presents an abstract, system-independent view of hierarchical pathnames. An abstract pathname has two components:
1. An optional system-dependent prefix string, such as a disk-drive specifier, "/" for the UNIX root directory, or "\\\\" for a Microsoft Windows UNC pathname, and
2. A sequence of zero or more string names.
The first name in an abstract pathname may be a directory name or, in the case of Microsoft Windows UNC pathnames, a hostname. Each subsequent name in an abstract pathname denotes a directory; the last name may denote either a directory or a file. The empty abstract pathname has no prefix and an empty name sequence.
The conversion of a pathname string to or from an abstract pathname is inherently system-dependent. When an abstract pathname is converted into a pathname string, each name is separated from the next by a single copy of the default separator character. The default name-separator character is defined by the system property file.separator, and is made available in the public static fields {@link #separator} and {@link #separatorChar} of this class. When a pathname string is converted into an abstract pathname, the names within it may be separated by the default name-separator character or by any other name-separator character that is supported by the underlying system.
A pathname, whether abstract or in string form, may be either absolute or relative. An absolute pathname is complete in that no other information is required in order to locate the file that it denotes. A relative pathname, in contrast, must be interpreted in terms of information taken from some other pathname. By default the classes in the java.io package always resolve relative pathnames against the current user directory. This directory is named by the system property user.dir, and is typically the directory in which the Java virtual machine was invoked.
The parent of an abstract pathname may be obtained by invoking the {@link #getParent} method of this class and consists of the pathname'sprefix and each name in the pathname's name sequence except for the last. Each directory's absolute pathname is an ancestor of any File object with an absolute abstract pathname which begins with the directory's absolute pathname. For example, the directory denoted by the abstract pathname "/usr" is an ancestor of the directory denoted by the pathname "/usr/local/bin".
The prefix concept is used to handle root directories on UNIX platforms, and drive specifiers, root directories and UNC pathnames on Microsoft Windows platforms, as follows:
- For UNIX platforms, the prefix of an absolute pathname is always "/". Relative pathnames have no prefix. The abstract pathname denoting the root directory has the prefix "/" and an empty name sequence.
- For Microsoft Windows platforms, the prefix of a pathname that contains a drive specifier consists of the drive letter followed by ":" and possibly followed by "\\" if the pathname is absolute. The prefix of a UNC pathname is "\\\\"; the hostname and the share name are the first two names in the name sequence. A relative pathname that does not specify a drive has no prefix.
Instances of this class may or may not denote an actual file-system object such as a file or a directory. If it does denote such an object then that object resides in a partition. A partition is an operating system-specific portion of storage for a file system. A single storage device (e.g. a physical disk-drive, flash memory, CD-ROM) may contain multiple partitions. The object, if any, will reside on the partition named by some ancestor of the absolute form of this pathname.
A file system may implement restrictions to certain operations on the actual file-system object, such as reading, writing, and executing. These restrictions are collectively known as access permissions. The file system may have multiple sets of access permissions on a single object. For example, one set may apply to the object's owner, and another may apply to all other users. The access permissions on an object may cause some methods in this class to fail.
Instances of the File class are immutable; that is, once created, the abstract pathname represented by a File object will never change. @version 1.142, 04/01/09 @author unascribed @since JDK1.0

    mProperties = prop;
  }
  
  public DefaultSettings() {
    mProperties = new Properties();
    File settingsFile = new File(FILENAME);
    if (settingsFile.canRead() && !TVBrowser.isTransportable()) {
      StreamUtilities.inputStreamIgnoringExceptions(settingsFile,
          new InputStreamProcessor() {


            @Override
            public void process(InputStream input) throws IOException {

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  public static JButton createBrowseButton(final Component parent, final JTextField tf) {
    JButton bt = new JButton(mLocalizer.msg("change", "Change"));
    bt.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        File file = new File(tf.getText());
        JFileChooser fileChooser = new JFileChooser(file.getParent());
        String[] extArr = { ".jpg", ".jpeg", ".gif", ".png" };
        fileChooser.setFileFilter(new util.ui.ExtensionFileFilter(extArr, ".jpg, .gif, png"));
        if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
          File selection = fileChooser.getSelectedFile();
          if (selection != null) {
            tf.setText(selection.getAbsolutePath());
          }
        }
      }
    });

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      try {
        mSystemTray = java.awt.SystemTray.getSystemTray();
        boolean isSupported = java.awt.SystemTray.isSupported();
        if(isSupported) {
          try {
            if(new File("imgs/TrayIcon.png").isFile()) {
              mTrayIcon = new TrayIcon(ImageIO.read(new File("imgs/TrayIcon.png")), tooltip);
            }
            else {
              Dimension trayIconSize = getTrayIconSize();
              BufferedImage trayIconImage = null;
              Color backgroundColor = null;


              if(trayIconSize.height > 16 && trayIconSize.height <= 32 && new File("imgs/tvbrowser32.png").isFile()) {
                trayIconImage = UiUtilities.scaleIconToBufferedImage(ImageIO.read(new File("imgs/tvbrowser32.png")),
                    trayIconSize.width, trayIconSize.height, BufferedImage.TYPE_INT_ARGB, backgroundColor);
              }
              else if(trayIconSize.height > 32 && trayIconSize.height <= 48 && new File("imgs/tvbrowser48.png").isFile()) {
                trayIconImage = UiUtilities.scaleIconToBufferedImage(ImageIO.read(new File("imgs/tvbrowser48.png")),
                    trayIconSize.width, trayIconSize.height, BufferedImage.TYPE_INT_ARGB, backgroundColor);
              }
              else if(trayIconSize.height > 48 && new File("imgs/tvbrowser128.png").isFile()) {
                trayIconImage = UiUtilities.scaleIconToBufferedImage(ImageIO.read(new File("imgs/tvbrowser128.png")),
                    trayIconSize.width, trayIconSize.height, BufferedImage.TYPE_INT_ARGB, backgroundColor);
              }
              else {
                trayIconImage = ImageIO.read(new File("imgs/tvbrowser16.png"));
              }


              mTrayIcon = new TrayIcon(trayIconImage, tooltip);
            }
          }catch(Throwable sizeFault) {
            mTrayIcon = new TrayIcon(ImageIO.read(new File("imgs/tvbrowser16.png")), tooltip);
          }


          mTrayParent = new JDialog();
          mTrayParent.setTitle("Tray-Menu");

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          path = bean.getDirectory();
        } catch( Exception e ) {
          throw new ServletException(e);
        }        
        String realPath = servlet.getServletContext().getRealPath("/");
        File resources = new File(realPath,ResourceServlet.relativePath);
        File tresources = new File(resources,path);
        
        File as = new File(tresources, request.getParameter("id"));
        as.delete();
        
        // Forward to the next page
        return (mapping.findForward("ok"));


    }

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          path = bean.getDirectory();
        } catch( Exception e ) {
          throw new ServletException(e);
        }        
        String realPath = servlet.getServletContext().getRealPath("/");
        File resources = new File(realPath,ResourceServlet.relativePath);
        File tresources = new File(resources,path);
        
        String on = sform.getFile().getFileName();
        String ext = (on.indexOf(".")!=-1)?on.substring(on.indexOf(".")+1):"res";            
        String fileName = sform.getName()+"."+ext;
        
        File ofile = new File( tresources, fileName );
        FileOutputStream fos = new FileOutputStream(ofile);
        fos.write(sform.getFile().getFileData());
        
        // clean the form
        sform.setName("");

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        } catch( Exception e ) {
          throw new ServletException(e);
        }
        
        String realPath = servlet.getServletContext().getRealPath("/");
        File resources = new File(realPath,ResourceServlet.relativePath);
        File tresources = new File(resources,path);
        
        File[] files = tresources.listFiles();
        Vector mfiles = new Vector();
        for( int i=0; i<files.length; i++ ) {
          mfiles.add(new org.nextime.ion.backoffice.bean.File(files[i]));
        }

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  }*/
  
  @Doc(text = "Deploy a VDB from file")
  public static void deployVDB(
      @Doc(text = "file name") String vdbFile) throws AdminException, FileNotFoundException {
    File file = new File(vdbFile);
    FileInputStream fis = new FileInputStream(file);
    try {
      getAdmin().deployVDB(file.getName(), fis);
    } finally {
      try {
        fis.close();
      } catch (IOException e) {
      }

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      path = bean.getDirectory();
    } catch (Exception e) {
      throw new ServletException(e);
    }
    String realPath = getServletContext().getRealPath("/");
    File resources = new File(realPath, ResourceServlet.relativePath);
    File tresources = new File(resources, path);
    File tfile = new File(tresources, resourceId);


    if (request.getParameter("width") != null
      || request.getParameter("height") != null) {


      int w = Integer.parseInt(request.getParameter("width") + "");
      int h = Integer.parseInt(request.getParameter("height") + "");


      
      File cache = new File(resources, "cache");
      File possibleCached =
        new File(cache, w + "_" + h + "_" + tfile.getName() + ".jpg");
      
      String mimeType =
        FileTypeMap.getDefaultFileTypeMap().getContentType(possibleCached);
      response.setContentType(mimeType);
      
      if (possibleCached.exists()) {
        // send content
        byte[] buffer = new byte[(int) possibleCached.length()];
        FileInputStream fis = new FileInputStream(possibleCached);
        fis.read(buffer);
        fis.close();
        response.getOutputStream().write(buffer);
        response.getOutputStream().flush();

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            });
          }
    });
        console.run();
        if (args.length == 1) {
          console.loadScriptFile(new File(args[0]));
        }
  }

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        this.resourceContext = resourceContext;
    }


    @Override
    protected void destroyArchive(File archive) {
        File tempDir = archive.getParentFile();
        archive.delete();
        tempDir.delete();
    }

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