Examples of java.io.File.deleteOnExit()

java.io.File.deleteOnExit()
When the virtual machine terminates, any abstract files which have been sent deleteOnExit() will be deleted. This will only happen when the virtual machine terminates normally as described by the Java Language Specification section 12.9.

    if (file == null && (memory.getCount() + len > fileThreshold)) {
      File temp = File.createTempFile("FileBackedOutputStream", null);
      if (resetOnFinalize) {
        // Finalizers are not guaranteed to be called on system shutdown;
        // this is insurance.
        temp.deleteOnExit();
      }
      FileOutputStream transfer = new FileOutputStream(temp);
      transfer.write(memory.getBuffer(), 0, memory.getCount());
      transfer.flush();

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    String filename = makeFilename(o);
    File file = new File(directory, filename);
    
    if (file.createNewFile()) {
      if (JRProperties.getBooleanProperty(PROPERTY_TEMP_FILES_SET_DELETE_ON_EXIT)) {
        file.deleteOnExit();
      }


      FileOutputStream fos = null;
      try {
        fos = new FileOutputStream(file);

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      // JOptionPane.showMessageDialog(null, "Making URL:
      // "+url.toString());
      return handleDropTransfer(url, dropRow);
    }
    File tmpfile = java.io.File.createTempFile("jabrefimport", "");
    tmpfile.deleteOnExit();
    FileWriter fw = new FileWriter(tmpfile);
    fw.write(dropStr);
    fw.close();


    // System.out.println("importing from " + tmpfile.getAbsolutePath());

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    }
  }


  protected boolean handleDropTransfer(URL dropLink, int dropRow) throws IOException {
    File tmpfile = java.io.File.createTempFile("jabrefimport", "");
    tmpfile.deleteOnExit();


    // System.out.println("Import url: " + dropLink.toString());
    // System.out.println("Temp file: "+tmpfile.getAbsolutePath());


    new URLDownload(entryTable, dropLink, tmpfile).download();

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               if (log.isTraceEnabled())
               {
                  log.trace("Creating file " + file);
               }
               file.createNewFile();
               file.deleteOnExit();
               
               writer = new PrintWriter(file);
               writer.println(bootstrapUrl);
               writer.flush();
            }

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        String res = url.toString();
        URLDownload udl = null;


        // First of all, start the download itself in the background to a temporary file:
        final File tmp = File.createTempFile("jabref_download", "tmp");
        tmp.deleteOnExit();
        //long time = System.currentTimeMillis();
        try {
            udl = new URLDownload(frame, url, tmp);
            // TODO: what if this takes long time?
            // TODO: stop editor dialog if this results in an error:

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   private String getPassivationDir(long testCount, int cacheCount)
   {
      File dir = new File(tempDir);
      dir = new File(dir, String.valueOf(testCount));
      dir.mkdirs();
      dir.deleteOnExit();
      dir = new File(dir, String.valueOf(cacheCount));
      dir.mkdirs();
      dir.deleteOnExit();
      return dir.getAbsolutePath();
   }

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      dir = new File(dir, String.valueOf(testCount));
      dir.mkdirs();
      dir.deleteOnExit();
      dir = new File(dir, String.valueOf(cacheCount));
      dir.mkdirs();
      dir.deleteOnExit();
      return dir.getAbsolutePath();
   }
}

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      jgSupport.setUpProperties();
      
      File tmpDir = new File(System.getProperty("java.io.tmpdir"));
      File root = new File(tmpDir, getClass().getSimpleName());
      root.mkdirs();
      root.deleteOnExit();
      tempDir = root.getAbsolutePath();
   }


   @Override
   protected void tearDown() throws Exception

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            // 
            VirtualFile file = VFS.getChild(url);
            if (file == null || file.exists() == false) {
               // copy to temp location and deploy from there.
               final File temp = File.createTempFile("tmp", getShortName(url.getPath()), getTempDir());
               temp.deleteOnExit();
               copy(url, temp);
               file = VFS.getChild(temp.toURI());
               deploymentName = url.toExternalForm();
            } else {
               deploymentName = file.asFileURI().toString();

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