com.sun.j3d.utils.scenegraph.io.retained
Class StreamControl

java.lang.Object
  com.sun.j3d.utils.scenegraph.io.retained.Controller
      com.sun.j3d.utils.scenegraph.io.retained.StreamControl

public class StreamControl
extends Controller

Provides the infrastructure for ScenGraphStream Reader and Writer

Constructor Summary

StreamControl(java.io.DataInputStream in)

StreamControl(java.io.DataOutputStream out)

Method Summary

void	addNamedObjects(java.util.HashMap namedObjects) Add the named objects to the symbol table
void	close()
long	getFilePointer() Implementation of abstract method from Controller.
void	loadNodeComponent(SymbolTableData symbol) Used by SymbolTable to load a node component that is not in current graph
javax.media.j3d.BranchGroup	readBranchGraph(java.util.HashMap namedObjects)
void	readStreamHeader()
void	writeBranchGraph(javax.media.j3d.BranchGroup bg, java.io.Serializable userData) The BranchGraph userData is not supported in a stream and will be ignored.
void	writeStreamHeader() Prepare the Stream for writing, by sending header information

Methods inherited from class com.sun.j3d.utils.scenegraph.io.retained.Controller

addNamedObject, createState, createState, createState, getClassLoader, getCurrentFileVersion, getImageCompression, getNamedObject, getNames, getNodeClassFromID, getNodeClassID, getOutputFileVersion, getSymbolTable, readBounds, readColor3f, readColor4f, readMatrix4d, readObject, readPoint3d, readPoint3f, readQuat4f, readSerializedData, readSharedGroup, readTransform3D, readTuple3d, readTuple3f, readTuple4d, readTuple4f, readUniverse, readVector3f, readVector4d, readVector4f, reset, setClassLoader, skipUserData, useSuperClassIfNoChildClass, writeBounds, writeColor3f, writeColor4f, writeMatrix4d, writeObject, writePoint3d, writePoint3f, writeQuat4f, writeSerializedData, writeSharedGroup, writeTransform3D, writeTuple3d, writeTuple3f, writeTuple4d, writeTuple4f, writeUniverse, writeVector3f, writeVector4d, writeVector4f

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamControl

public StreamControl(java.io.DataOutputStream out)

StreamControl

public StreamControl(java.io.DataInputStream in)

Method Detail

writeStreamHeader

public void writeStreamHeader()
                       throws java.io.IOException

Prepare the Stream for writing, by sending header information

Throws:

java.io.IOException

readStreamHeader

public void readStreamHeader()
                      throws java.io.IOException

Throws:

java.io.IOException

addNamedObjects

public void addNamedObjects(java.util.HashMap namedObjects)

Add the named objects to the symbol table

writeBranchGraph

public void writeBranchGraph(javax.media.j3d.BranchGroup bg,
                             java.io.Serializable userData)
                      throws java.io.IOException

The BranchGraph userData is not supported in a stream and will be ignored. However the data in the userData field of the BranchGroup will be stored in the stream

Specified by:

writeBranchGraph in class Controller

Throws:

java.io.IOException

readBranchGraph

public javax.media.j3d.BranchGroup readBranchGraph(java.util.HashMap namedObjects)
                                            throws java.io.IOException

Throws:

java.io.IOException

loadNodeComponent

public void loadNodeComponent(SymbolTableData symbol)
                       throws java.io.IOException

Used by SymbolTable to load a node component that is not in current graph

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in class Controller

Throws:

java.io.IOException

getFilePointer

public long getFilePointer()

Implementation of abstract method from Controller. Always returns 0

Specified by:

getFilePointer in class Controller