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

    // different one after restart (see AgentServer.init).
    DataOutputStream ldos = null;
    try {
      File tfc = new File(dir, "TFC");
      if (! tfc.exists()) {
        ldos = new DataOutputStream(new FileOutputStream(tfc));
        ldos.writeUTF(getClass().getName());
        ldos.flush();
      }
    } finally {
      if (ldos != null) ldos.close();

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    // different one after restart (see AgentServer.init).
    DataOutputStream dos = null;
    try {
      File tfc = new File(dir, "TFC");
      if (! tfc.exists()) {
        dos = new DataOutputStream(new FileOutputStream(tfc));
        dos.writeUTF(getClass().getName());
        dos.flush();
      }
    } finally {
      if (dos != null) dos.close();

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        if (!parentDir.exists()) {
          parentDir.mkdirs();
        }
        file = new File(parentDir, name);
      }
      FileOutputStream fos = new FileOutputStream(file);
      fos.write(buf);
      fos.close();
    }
  }

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          if (!parentDir.exists()) {
            parentDir.mkdirs();
          }
          file = new File(parentDir, op.name);
        }
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(op.value);
        fos.getFD().sync();
        fos.close();
      } else if (op.type == Operation.DELETE) {
        File file;
        if (op.dirName == null) {
          file = new File(dir, op.name);
          file.delete();

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  protected File fileRef()
    throws Exception
  {
    InputStream archiveStream ;
    FileOutputStream fileStream ;
    ZipEntry entry ;
    File tempFile ;
    
    if ( this.isInArchive() )
    {
      entry = this.archiveEntry() ;
      archiveStream = this.container().getInputStream( entry ) ;
      tempFile = File.createTempFile( "FLOC_", ".xtr" ) ;
      tempFile.deleteOnExit() ;
      fileStream = new FileOutputStream( tempFile ) ;
      fileUtil().copyStream( archiveStream, fileStream ) ;
      return tempFile ;
    }
    else
    {

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       + MODEL_FILE_EXTENSION);
      }
      m_Log.statusMessage("Saving model to file...");
      
      try {
  OutputStream os = new FileOutputStream(sFile);
  if (sFile.getName().endsWith(".gz")) {
    os = new GZIPOutputStream(os);
  }
  ObjectOutputStream objectOutputStream = new ObjectOutputStream(os);
  objectOutputStream.writeObject(classifier);

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                  m_outputFile = file;
                }
              } else {
                m_outputFile = file;
              }
              setDestination(new FileOutputStream(m_outputFile));
            }
        } catch(Exception ex){
            throw new IOException("Cannot create a new output file (Reason: " + ex.toString() + "). Standard out is used.");
        } finally{
            if(!success){

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    if ( scratch_file_is == null || messages_dirty ){
      
      File temp_file = null;
      
      FileOutputStream  fos = null;
      
        // we have a previous cache, discard 
      
      if ( scratch_file_is != null ){
        
          // System.out.println( "discard cache file " + scratch_file_name + " for " + this );
        
        try{
          scratch_file_is.close();
                    
        }catch( Throwable e ){  
          
          scratch_file_name = null;
          
        }finally{
          
          scratch_file_is = null;
        }
      }
      
      try{
        Properties props = new Properties();
        
        props.putAll( messages );
        
        if ( scratch_file_name == null ){
        
          temp_file = AETemporaryFileHandler.createTempFile();
          
        }else{
          
          temp_file = scratch_file_name;
        }
        
        fos = new FileOutputStream( temp_file );
        
        props.store( fos, "message cache" );
        
        fos.close();
        
        fos = null;
        
          // System.out.println( "wrote cache file " + temp_file + " for " + this );
        
        scratch_file_name  = temp_file;
        scratch_file_is   = new FileInputStream( temp_file );
        
        messages_dirty    = false;
        
      }catch( Throwable e ){
        
        if ( fos != null ){
          
          try{
            fos.close();
            
          }catch( Throwable f ){
            
          }
        }

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        // This will prevent being left with an empty file if a FTPException
        // is thrown by initGet().
        initGet(remoteFile);


        // create the buffered output stream for writing the file
        FileOutputStream out =
                new FileOutputStream(localPath, resume);
        
        try {
            getDataAfterInitGet(out);
        }
        catch (IOException ex) {

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    }
    
    super.saveChanges();
    
    if (_schema != null) {
        OutputStream out = new FileOutputStream(getSchemaDefinitionFile().getLocation().toFile());
        try {
            _schema.write(out);
        } catch (Exception e) {
            IOException ioe = new IOException("Unable to save design config changes.");
              ioe.setStackTrace(e.getStackTrace());
              throw ioe;
        } finally {
            out.close();
        }
    }
    
    try {
      new WGADesignStructureHelper(_designContainer).enforceDesignEncoding();

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