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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.util.zip 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.io.OutputStream
      java.io.FilterOutputStream
         java.util.zip.CheckedOutputStream

CheckedOutputStream
public class CheckedOutputStream extends java.io.FilterOutputStream (Code)
The CheckedOutputStream class is used to maintain a running Checksum of all data written to a stream.



Constructor Summary
public  CheckedOutputStream(OutputStream os, Checksum cs)
     Constructs a new CheckedOutputStream on OutputStream os.

Method Summary
public  ChecksumgetChecksum()
     Returns the Checksum calculated on the stream thus far.
public  voidwrite(int val)
     Writes byte value val to the underlying stream.
public  voidwrite(byte[] buf, int off, int nbytes)
     Writes nbytes of data from buf starting at offset off to the underlying stream.


Constructor Detail
CheckedOutputStream
public CheckedOutputStream(OutputStream os, Checksum cs)(Code)
Constructs a new CheckedOutputStream on OutputStream os. The Checksum will be calculated using the algorithm implemented by csum.
Parameters:
  os - OutputStream to calculate checksum from
Parameters:
  cs - Type of Checksum to calculate




Method Detail
getChecksum
public Checksum getChecksum()(Code)
Returns the Checksum calculated on the stream thus far. A java.util.zip.Checksum



write
public void write(int val) throws IOException(Code)
Writes byte value val to the underlying stream. The Checksum is updated with val.
Parameters:
  val - Value of the byte to write out
throws:
  IOException - if an IO error has occured



write
public void write(byte[] buf, int off, int nbytes) throws IOException(Code)
Writes nbytes of data from buf starting at offset off to the underlying stream. The Checksum is updated with the bytes written.
Parameters:
  buf - data to write out
Parameters:
  off - the start offset of the data
Parameters:
  nbytes - number of bytes to write out
throws:
  IOException - if an IO error has occured



Fields inherited from java.io.FilterOutputStream
protected OutputStream out(Code)(Java Doc)

Methods inherited from java.io.FilterOutputStream
public void close() throws IOException(Code)(Java Doc)
public void flush() throws IOException(Code)(Java Doc)
public void write(byte buffer) throws IOException(Code)(Java Doc)
public void write(byte buffer, int offset, int count) throws IOException(Code)(Java Doc)
public void write(int oneByte) throws IOException(Code)(Java Doc)

Methods inherited from java.io.OutputStream
public void close() throws IOException(Code)(Java Doc)
public void flush() throws IOException(Code)(Java Doc)
public void write(byte buffer) throws IOException(Code)(Java Doc)
public void write(byte buffer, int offset, int count) throws IOException(Code)(Java Doc)
abstract public void write(int oneByte) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final public Class<? extends Object> getClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final public void notify()(Code)(Java Doc)
final public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait(long millis) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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