hep.io.xdr
Class XDRRandomAccessFile

java.lang.Object
  java.io.RandomAccessFile
      hep.io.xdr.XDRRandomAccessFile

All Implemented Interfaces:

DataInput, DataOutput, XDRDataInput, XDRDataOutput

public class XDRRandomAccessFile

extends RandomAccessFile

implements XDRDataInput, XDRDataOutput

A random access file for use with XDR.

Version:

$Id: XDRRandomAccessFile.java,v 1.3 2003/09/16 23:11:55 tonyj Exp $

Author:

Tony Johnson (tonyj@slac.stanford.edu)

Source Code:

XDRRandomAccessFile.java

Constructor Summary

XDRRandomAccessFile(String name, String mode)

Method Summary

void	pad() Skips appropriate amount to bring stream to 4-byte boundary.
double[]	readDoubleArray(double[] buffer) Reads a double array.
float[]	readFloatArray(float[] buffer) Reads a float array.
int[]	readIntArray(int[] buffer) Reads an integer array.
String	readString() Read a String.
String	readString(int l) Reads a String of length l bytes, and skips appropriate amount to bring stream to 4-byte boundary.
void	writeDoubleArray(double[] array)
void	writeDoubleArray(double[] array, int start, int n)
void	writeFloatArray(float[] array)
void	writeFloatArray(float[] array, int start, int n)
void	writeIntArray(int[] array)
void	writeIntArray(int[] array, int start, int n)
void	writeString(String s) Write a string preceeded by its (int) length
void	writeStringChars(String s) Write a string (no length is written)

Methods inherited from class java.io.RandomAccessFile

close, getChannel, getFD, getFilePointer, length, read, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, seek, setLength, skipBytes, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.io.DataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes

Methods inherited from interface java.io.DataOutput

write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Constructor Detail

XDRRandomAccessFile

public XDRRandomAccessFile(String name,
                           String mode)
                    throws IOException

Method Detail

pad

public void pad()
         throws IOException

Description copied from interface: XDRDataInput

Skips appropriate amount to bring stream to 4-byte boundary.

Specified by:

pad in interface XDRDataInput

Throws:

IOException

readDoubleArray

public double[] readDoubleArray(double[] buffer)
                         throws IOException

Description copied from interface: XDRDataInput

Reads a double array. Assumes int length proceeds array. Throws an exception if array length > 32767 to protect against bad data exhausting memory. If buffer is not null, and is large enough to hold array, it is filled and returned, otherwise a new array is allocated and returned.

Specified by:

readDoubleArray in interface XDRDataInput

Throws:

IOException

readFloatArray

public float[] readFloatArray(float[] buffer)
                       throws IOException

Description copied from interface: XDRDataInput

Reads a float array. Assumes int length proceeds array. Throws an exception if array length > 32767 to protect against bad data exhausting memory. If buffer is not null, and is large enough to hold array, it is filled and returned, otherwise a new array is allocated and returned.

Specified by:

readFloatArray in interface XDRDataInput

Throws:

IOException

readIntArray

public int[] readIntArray(int[] buffer)
                   throws IOException

Description copied from interface: XDRDataInput

Reads an integer array. Assumes int length proceeds array. Throws an exception if array length > 32767 to protect against bad data exhausting memory. If buffer is not null, and is large enough to hold array, it is filled and returned, otherwise a new array is allocated and returned.

Specified by:

readIntArray in interface XDRDataInput

Throws:

IOException

readString

public String readString(int l)
                  throws IOException

Description copied from interface: XDRDataInput

Reads a String of length l bytes, and skips appropriate amount to bring stream to 4-byte boundary.

Specified by:

readString in interface XDRDataInput

Throws:

IOException

readString

public String readString()
                  throws IOException

Description copied from interface: XDRDataInput

Read a String. Assumes int length proceeds String. Throws an exception if string length > 32767 to protect against bad data exhausting memory.

Specified by:

readString in interface XDRDataInput

Throws:

IOException

writeDoubleArray

public void writeDoubleArray(double[] array)
                      throws IOException

Specified by:

writeDoubleArray in interface XDRDataOutput

Throws:

IOException

writeDoubleArray

public void writeDoubleArray(double[] array,
                             int start,
                             int n)
                      throws IOException

Specified by:

writeDoubleArray in interface XDRDataOutput

Throws:

IOException

writeFloatArray

public void writeFloatArray(float[] array)
                     throws IOException

Specified by:

writeFloatArray in interface XDRDataOutput

Throws:

IOException

writeFloatArray

public void writeFloatArray(float[] array,
                            int start,
                            int n)
                     throws IOException

Specified by:

writeFloatArray in interface XDRDataOutput

Throws:

IOException

writeIntArray

public void writeIntArray(int[] array)
                   throws IOException

Specified by:

writeIntArray in interface XDRDataOutput

Throws:

IOException

writeIntArray

public void writeIntArray(int[] array,
                          int start,
                          int n)
                   throws IOException

Specified by:

writeIntArray in interface XDRDataOutput

Throws:

IOException

writeString

public void writeString(String s)
                 throws IOException

Description copied from interface: XDRDataOutput

Write a string preceeded by its (int) length

Specified by:

writeString in interface XDRDataOutput

Throws:

IOException

writeStringChars

public void writeStringChars(String s)
                      throws IOException

Description copied from interface: XDRDataOutput

Write a string (no length is written)

Specified by:

writeStringChars in interface XDRDataOutput

Throws:

IOException