org.jcon.persistance
Class LookupInputStream

java.lang.Object
  java.io.InputStream
      java.io.ObjectInputStream
          org.jcon.persistance.LookupInputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataInput, java.io.ObjectInput, java.io.ObjectStreamConstants

public class LookupInputStream
extends java.io.ObjectInputStream

An Input stream that exchanges references to objects found in a lookup table for a lookup index that can be used during deserialization to locate the original object.

Version:

1.0 8/14/97

Author:

Paul Reavis

Nested Class Summary

Nested classes/interfaces inherited from class java.io.ObjectInputStream

java.io.ObjectInputStream.GetField

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_ENUM, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, STREAM_MAGIC, STREAM_VERSION, SUBCLASS_IMPLEMENTATION_PERMISSION, SUBSTITUTION_PERMISSION, TC_ARRAY, TC_BASE, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING

Constructor Summary

LookupInputStream(java.io.InputStream innie, LookupDatabase lookup)
Creates a new LookupInputStream on the InputStream.

Method Summary

LookupDatabase	getLookup() The lookup database used.
protected java.lang.Object	resolveObject(java.lang.Object obj) This is where the magic happens.
void	setLookup(LookupDatabase newLookup) The lookup database used.

Methods inherited from class java.io.ObjectInputStream

available, close, defaultReadObject, enableResolveObject, read, read, readBoolean, readByte, readChar, readClassDescriptor, readDouble, readFields, readFloat, readFully, readFully, readInt, readLine, readLong, readObject, readObjectOverride, readShort, readStreamHeader, readUnshared, readUnsignedByte, readUnsignedShort, readUTF, registerValidation, resolveClass, resolveProxyClass, skipBytes

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.ObjectInput

read, skip

Constructor Detail

LookupInputStream

public LookupInputStream(java.io.InputStream innie,
                         LookupDatabase lookup)
                  throws java.io.IOException

Creates a new LookupInputStream on the InputStream.

Throws:

java.io.IOException

Method Detail

getLookup

public LookupDatabase getLookup()

The lookup database used.

setLookup

public void setLookup(LookupDatabase newLookup)

The lookup database used.

resolveObject

protected java.lang.Object resolveObject(java.lang.Object obj)
                                  throws java.io.IOException

This is where the magic happens.

Overrides:

resolveObject in class java.io.ObjectInputStream

Throws:

java.io.IOException