FilterOutputStream

FilterOutputStream

java.io

---

Java 1.0

closeable flushable

This class provides method definitions required to filter the data to be written to the OutputStream specified when the FilterOutputStream is created. It must be subclassed to perform some sort of filtering operation and may not be instantiated directly. See the subclasses BufferedOutputStream and DataOutputStream .

Figure 9-22. java.io.FilterOutputStream

 public class  FilterOutputStream  extends OutputStream {  // Public Constructors  public  FilterOutputStream  (OutputStream  out  );  // Public Methods Overriding OutputStream  public void  close  ( ) throws IOException;        public void  flush  ( ) throws IOException;        public void  write  (int  b  ) throws IOException;        public void  write  (byte[ ]  b  ) throws IOException;        public void  write  (byte[ ]  b  , int  off  , int  len  ) throws IOException;  // Protected Instance Fields  protected OutputStream  out  ;   } 

Subclasses

BufferedOutputStream , DataOutputStream , PrintStream , java.security.DigestOutputStream , java.util.zip.CheckedOutputStream , java.util.zip.DeflaterOutputStream , javax.crypto.CipherOutputStream