java.lang.Object
- java.io.OutputStream
- - java.io.ObjectOutputStream
  - - com.thoughtworks.xstream.core.util.CustomObjectOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.io.ObjectOutput, java.io.ObjectStreamConstants, java.lang.AutoCloseable
```
public class CustomObjectOutputStream
extends java.io.ObjectOutputStream
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private class CustomObjectOutputStream.CustomPutField

static interface CustomObjectOutputStream.StreamCallback
- Nested classes/interfaces inherited from class java.io.ObjectOutputStream
  java.io.ObjectOutputStream.PutField

Field Summary

Fields
Modifier and Type Field Description

private FastStack callbacks

private FastStack customFields

private static java.lang.String DATA_HOLDER_KEY
- 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, SERIAL_FILTER_PERMISSION, 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	Description
`CustomObjectOutputStream(CustomObjectOutputStream.StreamCallback callback)`	Warning, this object is expensive to create (due to functionality inherited from superclass).

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`void`	`defaultWriteObject()`	Methods to delegate to callback
`void`	`flush()`
`static CustomObjectOutputStream`	`getInstance(DataHolder whereFrom, CustomObjectOutputStream.StreamCallback callback)`
`CustomObjectOutputStream.StreamCallback`	`peekCallback()`
`CustomObjectOutputStream.StreamCallback`	`popCallback()`
`void`	`pushCallback(CustomObjectOutputStream.StreamCallback callback)`	Allows the CustomObjectOutputStream (which is expensive to create) to be reused.
`java.io.ObjectOutputStream.PutField`	`putFields()`
`void`	`reset()`	Unsupported methods
`void`	`useProtocolVersion(int version)`
`void`	`write(byte[] buf)`
`void`	`write(byte[] buf, int off, int len)`
`void`	`write(int val)`
`void`	`writeBoolean(boolean val)`
`void`	`writeByte(int val)`
`void`	`writeBytes(java.lang.String str)`
`void`	`writeChar(int val)`
`void`	`writeChars(java.lang.String str)`
`void`	`writeDouble(double val)`
`void`	`writeFields()`
`void`	`writeFloat(float val)`
`void`	`writeInt(int val)`
`void`	`writeLong(long val)`
`protected void`	`writeObjectOverride(java.lang.Object obj)`
`void`	`writeShort(int val)`
`void`	`writeUnshared(java.lang.Object obj)`
`void`	`writeUTF(java.lang.String str)`

Methods inherited from class java.io.ObjectOutputStream
annotateClass, annotateProxyClass, drain, enableReplaceObject, replaceObject, writeClassDescriptor, writeObject, writeStreamHeader

Methods inherited from class java.io.OutputStream
nullOutputStream

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - callbacks
```
private FastStack callbacks
```
  - customFields
```
private FastStack customFields
```
  - DATA_HOLDER_KEY
```
private static final java.lang.String DATA_HOLDER_KEY
```
- Constructor Detail
  - CustomObjectOutputStream
```
public CustomObjectOutputStream(CustomObjectOutputStream.StreamCallback callback)
                         throws java.io.IOException,
                                java.lang.SecurityException
```
    Warning, this object is expensive to create (due to functionality inherited from superclass). Use the static fetch() method instead, wherever possible.
    
    Throws:
    
    java.io.IOException
    
    java.lang.SecurityException
    
    See Also:
    
    getInstance(com.thoughtworks.xstream.converters.DataHolder, com.thoughtworks.xstream.core.util.CustomObjectOutputStream.StreamCallback)
- Method Detail
  - getInstance
```
public static CustomObjectOutputStream getInstance(DataHolder whereFrom,
                                                   CustomObjectOutputStream.StreamCallback callback)
```
  - pushCallback
```
public void pushCallback(CustomObjectOutputStream.StreamCallback callback)
```
    Allows the CustomObjectOutputStream (which is expensive to create) to be reused.
  - popCallback
```
public CustomObjectOutputStream.StreamCallback popCallback()
```
  - peekCallback
```
public CustomObjectOutputStream.StreamCallback peekCallback()
```
  - defaultWriteObject
```
public void defaultWriteObject()
                        throws java.io.IOException
```
    Methods to delegate to callback
    
    Overrides:
    
    defaultWriteObject in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeObjectOverride
```
protected void writeObjectOverride(java.lang.Object obj)
                            throws java.io.IOException
```
    Overrides:
    
    writeObjectOverride in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeBoolean
```
public void writeBoolean(boolean val)
                  throws java.io.IOException
```
    Specified by:
    
    writeBoolean in interface java.io.DataOutput
    
    Overrides:
    
    writeBoolean in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeByte
```
public void writeByte(int val)
               throws java.io.IOException
```
    Specified by:
    
    writeByte in interface java.io.DataOutput
    
    Overrides:
    
    writeByte in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeInt
```
public void writeInt(int val)
              throws java.io.IOException
```
    Specified by:
    
    writeInt in interface java.io.DataOutput
    
    Overrides:
    
    writeInt in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeChar
```
public void writeChar(int val)
               throws java.io.IOException
```
    Specified by:
    
    writeChar in interface java.io.DataOutput
    
    Overrides:
    
    writeChar in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeDouble
```
public void writeDouble(double val)
                 throws java.io.IOException
```
    Specified by:
    
    writeDouble in interface java.io.DataOutput
    
    Overrides:
    
    writeDouble in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeFloat
```
public void writeFloat(float val)
                throws java.io.IOException
```
    Specified by:
    
    writeFloat in interface java.io.DataOutput
    
    Overrides:
    
    writeFloat in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeLong
```
public void writeLong(long val)
               throws java.io.IOException
```
    Specified by:
    
    writeLong in interface java.io.DataOutput
    
    Overrides:
    
    writeLong in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeShort
```
public void writeShort(int val)
                throws java.io.IOException
```
    Specified by:
    
    writeShort in interface java.io.DataOutput
    
    Overrides:
    
    writeShort in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - write
```
public void write(byte[] buf)
           throws java.io.IOException
```
    Specified by:
    
    write in interface java.io.DataOutput
    
    Specified by:
    
    write in interface java.io.ObjectOutput
    
    Overrides:
    
    write in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeChars
```
public void writeChars(java.lang.String str)
                throws java.io.IOException
```
    Specified by:
    
    writeChars in interface java.io.DataOutput
    
    Overrides:
    
    writeChars in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - writeUTF
```
public void writeUTF(java.lang.String str)
              throws java.io.IOException
```
    Specified by:
    
    writeUTF in interface java.io.DataOutput
    
    Overrides:
    
    writeUTF in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - write
```
public void write(int val)
           throws java.io.IOException
```
    Specified by:
    
    write in interface java.io.DataOutput
    
    Specified by:
    
    write in interface java.io.ObjectOutput
    
    Overrides:
    
    write in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - write
```
public void write(byte[] buf,
                  int off,
                  int len)
           throws java.io.IOException
```
    Specified by:
    
    write in interface java.io.DataOutput
    
    Specified by:
    
    write in interface java.io.ObjectOutput
    
    Overrides:
    
    write in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - flush
```
public void flush()
           throws java.io.IOException
```
    Specified by:
    
    flush in interface java.io.Flushable
    
    Specified by:
    
    flush in interface java.io.ObjectOutput
    
    Overrides:
    
    flush in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - close
```
public void close()
           throws java.io.IOException
```
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Specified by:
    
    close in interface java.io.ObjectOutput
    
    Overrides:
    
    close in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - putFields
```
public java.io.ObjectOutputStream.PutField putFields()
```
    Overrides:
    
    putFields in class java.io.ObjectOutputStream
  - writeFields
```
public void writeFields()
                 throws java.io.IOException
```
    Overrides:
    
    writeFields in class java.io.ObjectOutputStream
    
    Throws:
    
    java.io.IOException
  - reset
```
public void reset()
```
    Unsupported methods
    
    Overrides:
    
    reset in class java.io.ObjectOutputStream
  - useProtocolVersion
```
public void useProtocolVersion(int version)
```
    Overrides:
    
    useProtocolVersion in class java.io.ObjectOutputStream
  - writeBytes
```
public void writeBytes(java.lang.String str)
```
    Specified by:
    
    writeBytes in interface java.io.DataOutput
    
    Overrides:
    
    writeBytes in class java.io.ObjectOutputStream
  - writeUnshared
```
public void writeUnshared(java.lang.Object obj)
```
    Overrides:
    
    writeUnshared in class java.io.ObjectOutputStream

Modifier and Type	Class	Description
`private class`	`CustomObjectOutputStream.CustomPutField`
`static interface`	`CustomObjectOutputStream.StreamCallback`

Modifier and Type	Field	Description
`private FastStack`	`callbacks`
`private FastStack`	`customFields`
`private static java.lang.String`	`DATA_HOLDER_KEY`

Class CustomObjectOutputStream

Nested Class Summary

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

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

Constructor Summary

Method Summary

Methods inherited from class java.io.ObjectOutputStream

Methods inherited from class java.io.OutputStream

Methods inherited from class java.lang.Object

Field Detail

callbacks

customFields

DATA_HOLDER_KEY

Constructor Detail

CustomObjectOutputStream

Method Detail

getInstance

pushCallback

popCallback

peekCallback

defaultWriteObject

writeObjectOverride

writeBoolean

writeByte

writeInt

writeChar

writeDouble

writeFloat

writeLong

writeShort

write

writeChars

writeUTF

write

write

flush

close

putFields

writeFields

reset

useProtocolVersion

writeBytes

writeUnshared