NbObjectOutputStream (NetBeans Utilities API) - NetBeans API Javadoc 5.0.0

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org.openide.util.io
Class NbObjectOutputStream

java.lang.Object
  java.io.OutputStream
      java.io.ObjectOutputStream
          org.openide.util.io.NbObjectOutputStream

All Implemented Interfaces:: DataOutput, ObjectOutput, ObjectStreamConstants

public class NbObjectOutputStream
extends ObjectOutputStream

Object output stream that could in the future be smart about saving certain objects. Also static methods to safely write an object that could cause problems during later deserialization.

Nested Class Summary

Nested classes inherited from class java.io.ObjectOutputStream

ObjectOutputStream.PutField

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, 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_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING

Constructor Summary

NbObjectOutputStream(OutputStream os)
          Create a new object output.

Method Summary

protected void annotateClass(Class cl)


Object replaceObject(Object obj)


static void writeSafely(ObjectOutput oo, Object obj)
          Writes an object safely to the object output.

Methods inherited from class java.io.ObjectOutputStream

annotateProxyClass, close, defaultWriteObject, drain, enableReplaceObject, flush, putFields, reset, useProtocolVersion, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeClassDescriptor, writeDouble, writeFields, writeFloat, writeInt, writeLong, writeObject, writeObjectOverride, writeShort, writeStreamHeader, writeUnshared, writeUTF

Methods inherited from class java.lang.Object

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

Constructor Detail

NbObjectOutputStream

public NbObjectOutputStream(OutputStream os)
                     throws IOException

Create a new object output.
Parameters:: os - the underlying output stream
Throws:: IOException - for the usual reasons

Method Detail

replaceObject

public Object replaceObject(Object obj)
                     throws IOException

Throws:: IOException

writeSafely

public static void writeSafely(ObjectOutput oo,
                               Object obj)
                        throws IOException

Writes an object safely to the object output. Can be read by NbObjectInputStream.readSafely(java.io.ObjectInput).

Parameters:: oo - object output to write to; obj - the object to write
Throws:: SafeException - if the object simply fails to be serialized; IOException - if something more serious fails

annotateClass

protected void annotateClass(Class cl)
                      throws IOException

Throws:: IOException