Examples of java.io.FileOutputStream

java.io.FileOutputStream
FileOutputStream is a class whose underlying stream is represented by a file in the operating system. The bytes that are written to this stream are passed directly to the underlying operating system equivalent function. Since overhead may be high in writing to the OS, FileOutputStreams are usually wrapped with a BufferedOutputStream to reduce the number of times the OS is called.
BufferedOutputStream buf = new BufferedOutputStream(new FileOutputStream("aFile.txt")); @see FileInputStream

  
  File fos = createNewResultsFile(queryID, querySetID,
    getGenerateDir());
  
  
  FileOutputStream actualOut = null;
  try {
      actualOut = new FileOutputStream(fos);
      PrintStream filePrintStream = new PrintStream(actualOut);
      if (ex != null) {
    TestResultSetUtil.printThrowable(ex, query, filePrintStream);
      } else if (result != null ){
    result.beforeFirst();
    TestResultSetUtil.printResultSet(result, query, MAX_COL_WIDTH, true, filePrintStream);
      }


  } catch (Exception e) {
      e.printStackTrace();
      throw new QueryTestFailedException(e);
  } finally {
      if (actualOut != null) {
    try {
        actualOut.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
      }

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      File errorFile = new File(getOutputDir(), errorFileName);
      
      // the resultset will be passed in as null when
      // the error was due to a thrown exception, and not based comparison issues 
      if (resultSet == null) {
    FileOutputStream actualOut = null;
    try {
        actualOut = new FileOutputStream(errorFile);
        PrintStream filePrintStream = new PrintStream(actualOut);
        


        TestResultSetUtil.printThrowable(queryError, sql, filePrintStream);
        
        filePrintStream.flush();


    } catch (Exception e) {
          e.printStackTrace();
          throw new QueryTestFailedException(e);
    } finally {
          if (actualOut != null) {
        try {
            actualOut.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
      }

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    private void generateErrorResults(String querySetID, String queryID,
      String sql, File resultsFile, ResultSet actualResult,
      List<String> results)
      throws QueryTestFailedException {
  
  FileOutputStream actualOut = null;
  try {
      actualOut = new FileOutputStream(resultsFile);
      PrintStream filePrintStream = new PrintStream(actualOut);
      
      TestResultSetUtil.printResultSet(actualResult, sql, MAX_COL_WIDTH, true, filePrintStream);


//      if (results != null) {
//              for (Iterator<String> it=results.iterator(); it.hasNext();) {
//            String line = it.next();
//            filePrintStream.print(line);
//              }
//      } else {
//      
//    ResultSetUtil.printResultSet(actualResult, MAX_COL_WIDTH, true, filePrintStream);
//      }
            


  } catch (Exception e) {
      e.printStackTrace();
      throw new QueryTestFailedException(e);
  } finally {
      if (actualOut != null) {
    try {
        actualOut.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
      }

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        Activator.getDefault().getLog().log(new Status(Status.ERROR, Activator.PLUGIN_ID, "Can't create propertyfile : " + labelFile.getLocation(), e));
      }       
    }


    // stores labelfile
    FileOutputStream labelFileStream = null;
    BufferedWriter writer = null;
    try {
      if (isSortLabelFiles()) {
        Properties labelProperties = loadLabel(labelFile);
        labelProperties.setProperty(key, value);
        SortedProperties sortedProperties = new SortedProperties();
        sortedProperties.putAll(labelProperties);
        labelFileStream = new FileOutputStream(labelFile.getLocation().toString());
        sortedProperties.store(labelFileStream, null);
      
        
      } else {
        // append new label to existing file
        Properties labelProperties = loadLabel(labelFile);
        if (!labelProperties.containsKey(key)) {
          writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(labelFile.getLocation().toFile(), true), "8859_1"));
          if(labelProperties.entrySet().size()>0){
            writer.newLine();
          }          
          writer.write(LabelFileEncodingHelper.saveConvert(key, true));
          writer.write("=");
          writer.write(LabelFileEncodingHelper.saveConvert(value, false));          
          writer.flush();
        
        }
      }
      labelFile.refreshLocal(IResource.DEPTH_ZERO, new NullProgressMonitor());
    } catch (FileNotFoundException e) {
      Activator.getDefault().getLog().log(new Status(Status.ERROR, Activator.PLUGIN_ID, "Can't find propertyfile : " + labelFile.getLocation(), e));
    } catch (IOException e) {
      Activator.getDefault().getLog().log(new Status(Status.ERROR, Activator.PLUGIN_ID, "Can't write propertyfile : " + labelFile.getLocation(), e));
    } catch (CoreException e) {
      Activator.getDefault().getLog().log(new Status(Status.ERROR, Activator.PLUGIN_ID, "Can't find propertyfile : " + labelFile.getLocation(), e));
    }finally{
      if(labelFileStream!=null){
        try {
          labelFileStream.close();
        } catch (IOException e) {        
        }
      }
      if(writer!=null){
        try {

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            }
            
            int content_length = Integer.parseInt( cl_str );
            
            ByteArrayOutputStream  baos    = null;
            FileOutputStream    fos      = null;
          
            OutputStream  data_os;
            
            if ( content_length <= 256*1024 ){
              
              baos = new ByteArrayOutputStream();
            
              data_os  = baos;
              
            }else{
              
              post_file  = AETemporaryFileHandler.createTempFile();
              
              post_file.deleteOnExit();
              
              fos  = new FileOutputStream( post_file );
              
              data_os  = fos;
            }
            
            while( content_length > 0 ){
              
              int  len = is.read( buffer, 0, Math.min( content_length, buffer.length ));
              
              if ( len < 0 ){
                
                throw( new TRTrackerServerException( "premature end of input stream" ));
              }
              
              data_os.write( buffer, 0, len );
              
              content_length -= len;
            }
            
            if ( baos != null ){
              
              post_is = new ByteArrayInputStream(baos.toByteArray());
              
            }else{
              
              fos.close();
              
              post_is = new BufferedInputStream( new FileInputStream( post_file ), 256*1024 );
            }
            
            // System.out.println( "TRTrackerServerProcessorTCP: request data = " + baos.size());

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    Map<Content, String> contentEntries = new HashMap<Content, String>();
    File furnitureLibraryFile = new File(furnitureLibraryName);
    File tmpFile = null;
    try {
      tmpFile = File.createTempFile("temp", ".sh3f"); 
      OutputStream out = new FileOutputStream(tmpFile);
      if (out != null) {
        // Create a zip output on file  
        zipOut = new ZipOutputStream(out);
        // Write furniture description file in first entry 
        zipOut.putNextEntry(new ZipEntry(DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY + ".properties"));

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      // Write content entries in a separate zipped file, if the file doesn't exist
      File file = new File(furnitureResourcesLocalDirectory, mainEntryDirectory + ".zip");
      if (file.exists()) {
        return;
      }
      zipOut = new ZipOutputStream(new FileOutputStream(file));
      mainEntryDirectory = "";
    } else {
      mainEntryDirectory += "/";
    }

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   */
  private void copyContentToFile(InputStream in, File file) throws IOException {
    byte [] buffer = new byte [8192];
    OutputStream out = null;
    try {
      out = new FileOutputStream(file);
      int size; 
      while ((size = in.read(buffer)) != -1) {
        out.write(buffer, 0, size);
      }
    } finally {

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   * @throws FileNotFoundException 
   * @see XMLEncoder
   */
  public void save( ) throws FileNotFoundException
  {
    OutputStream out = new FileOutputStream(fileName);
    doSave(out);
  }

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   */
  public void saveAliases() {
    File aliasesFile = getAliasesFile();
    try {
      out.println("Saving aliases to: " + aliasesFile.getCanonicalPath());
      FileOutputStream fo = new FileOutputStream(aliasesFile);
      aliases.store(fo, "This aliases file was automatically written by Azureus");
    } catch (IOException e) {
      out.println("> Error saving aliases to " + aliasesFile.getPath() + ":" + e.getMessage());
    }
  }

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