com.viaoa.comm.io

Class OAObjectInputStream

java.lang.Object

java.io.InputStream

java.io.ObjectInputStream

com.viaoa.comm.io.OAObjectInputStream

All Implemented Interfaces:

Closeable, DataInput, ObjectInput, ObjectStreamConstants, AutoCloseable

public class OAObjectInputStream
extends ObjectInputStream

This is used to read an objectStream that has classes in it that no longer exist, or that the package and/or class name have changed. If the class does not exist anymore, then it will be replaced with an IODummy class, and ignored.

Author:

vvia

Nested Class Summary

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

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

Constructors

Constructor and Description
OAObjectInputStream(InputStream is)
OAObjectInputStream(InputStream is, String oldPackageName)
OAObjectInputStream(InputStream is, String oldPackageName, String newPackageName)

Method Summary

Modifier and Type	Method and Description
protected ObjectStreamClass	readClassDescriptor()
void	replaceClassName(String oldName, String newName)
protected Object	resolveObject(Object obj)

Methods inherited from class java.io.ObjectInputStream

available, close, defaultReadObject, enableResolveObject, read, read, readBoolean, readByte, readChar, 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

OAObjectInputStream

public OAObjectInputStream(InputStream is)
                    throws IOException

Throws:

IOException

OAObjectInputStream

public OAObjectInputStream(InputStream is,
                           String oldPackageName)
                    throws IOException

Throws:

IOException

OAObjectInputStream

public OAObjectInputStream(InputStream is,
                           String oldPackageName,
                           String newPackageName)
                    throws IOException

Parameters:

is -

oldPackageName - package name to look for.

newPackageName - new package name to use, if null then it will use oldpackagename.

Throws:

IOException

Method Detail

replaceClassName

public void replaceClassName(String oldName,
                             String newName)

resolveObject

protected Object resolveObject(Object obj)
                        throws IOException

Overrides:

resolveObject in class ObjectInputStream

Throws:

IOException

readClassDescriptor

protected ObjectStreamClass readClassDescriptor()
                                         throws IOException,
                                                ClassNotFoundException

Overrides:

readClassDescriptor in class ObjectInputStream

Throws:

IOException

ClassNotFoundException