Java Doc for ByteField.java in  » Collaboration » poi-3.0.2-beta2 » org » apache » poi » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Collaboration » poi 3.0.2 beta2 » org.apache.poi.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.poi.util.ByteField

ByteField
public class ByteField implements FixedField(Code)
representation of a byte (8-bit) field at a fixed location within a byte array
author:
   Marc Johnson (mjohnson at apache dot org



Constructor Summary
public  ByteField(int offset)
    
public  ByteField(int offset, byte value)
    
public  ByteField(int offset, byte[] data)
    
public  ByteField(int offset, byte value, byte[] data)
    

Method Summary
public  byteget()
    
public  voidreadFromBytes(byte[] data)
    
public  voidreadFromStream(InputStream stream)
    
public  voidset(byte value)
    
public  voidset(byte value, byte[] data)
    
public  StringtoString()
    
public  voidwriteToBytes(byte[] data)
    


Constructor Detail
ByteField
public ByteField(int offset) throws ArrayIndexOutOfBoundsException(Code)
construct the ByteField with its offset into its containing byte array and a default value of 0
Parameters:
  offset - of the field within its byte array
exception:
  ArrayIndexOutOfBoundsException - if offset is negative



ByteField
public ByteField(int offset, byte value) throws ArrayIndexOutOfBoundsException(Code)
construct the ByteField with its offset into its containing byte array and initialize its value
Parameters:
  offset - of the field within its byte array
Parameters:
  value - the initial value
exception:
  ArrayIndexOutOfBoundsException - if offset is negative



ByteField
public ByteField(int offset, byte[] data) throws ArrayIndexOutOfBoundsException(Code)
Construct the ByteField with its offset into its containing byte array and initialize its value from its byte array
Parameters:
  offset - of the field within its byte array
Parameters:
  data - the byte array to read the value from
exception:
  ArrayIndexOutOfBoundsException - if the offset is notwithin the range of 0..(data.length - 1)



ByteField
public ByteField(int offset, byte value, byte[] data) throws ArrayIndexOutOfBoundsException(Code)
construct the ByteField with its offset into its containing byte array, initialize its value, and write its value to its byte array
Parameters:
  offset - of the field within its byte array
Parameters:
  value - the initial value
Parameters:
  data - the byte array to write the value to
exception:
  ArrayIndexOutOfBoundsException - if the offset is notwithin the range of 0..(data.length - 1)




Method Detail
get
public byte get()(Code)
get the ByteField's current value current value



readFromBytes
public void readFromBytes(byte[] data) throws ArrayIndexOutOfBoundsException(Code)
set the value from its offset into an array of bytes
Parameters:
  data - the byte array from which the value is to be read
exception:
  ArrayIndexOutOfBoundsException - if the offset is outof range of the bte array



readFromStream
public void readFromStream(InputStream stream) throws IOException, BufferUnderrunException(Code)
set the value from an InputStream
Parameters:
  stream - the InputStream from which the value is to beread
exception:
  BufferUnderrunException - if there is not enough dataavailable from the InputStream
exception:
  IOException - if an IOException is thrown from readingthe InputStream



set
public void set(byte value)(Code)
set the ByteField's current value
Parameters:
  value - to be set



set
public void set(byte value, byte[] data) throws ArrayIndexOutOfBoundsException(Code)
set the ByteField's current value and write it to a byte array
Parameters:
  value - to be set
Parameters:
  data - the byte array to write the value to
exception:
  ArrayIndexOutOfBoundsException - if the offset is outof the byte array's range



toString
public String toString()(Code)
return the value as a String the value as a String



writeToBytes
public void writeToBytes(byte[] data) throws ArrayIndexOutOfBoundsException(Code)
write the value out to an array of bytes at the appropriate offset
Parameters:
  data - the array of bytes to which the value is to bewritten
exception:
  ArrayIndexOutOfBoundsException - if the offset is outof the byte array's range



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

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