org.jboss.marshalling

Class ChainingClassTable

java.lang.Object

org.jboss.marshalling.ChainingClassTable

All Implemented Interfaces:

ClassTable

public class ChainingClassTable
extends java.lang.Object
implements ClassTable

A class table that multiplexes up to 256 class tables. The protocol works by prepending the custom class table with an identifier byte.

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.marshalling.ClassTable

ClassTable.Writer

Field Summary

Fields

Modifier and Type	Field and Description
private ClassTable[]	readers
private java.util.List<Pair<ClassTable,ClassTable.Writer>>	writers

Constructor Summary

Constructors

Constructor and Description
ChainingClassTable(ClassTable[] classTables) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
ClassTable.Writer	getClassWriter(java.lang.Class<?> clazz) Determine whether the given class reference is a valid predefined reference.
private static Pair<ClassTable,ClassTable.Writer>	pair(ClassTable classTable, ClassTable.Writer writer)
java.lang.Class<?>	readClass(Unmarshaller unmarshaller) Read a class from the stream.

Methods inherited from class java.lang.Object

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

Field Detail

writers

private final java.util.List<Pair<ClassTable,ClassTable.Writer>> writers

readers

private final ClassTable[] readers

Constructor Detail

ChainingClassTable

public ChainingClassTable(ClassTable[] classTables)

Construct a new instance. The given array may be sparse, but it may not be more than 256 elements in length. Class tables are checked in order of increasing array index.

Parameters:

classTables - the class tables to delegate to

Method Detail

pair

private static Pair<ClassTable,ClassTable.Writer> pair(ClassTable classTable,
                                                       ClassTable.Writer writer)

getClassWriter

public ClassTable.Writer getClassWriter(java.lang.Class<?> clazz)
                                 throws java.io.IOException

Determine whether the given class reference is a valid predefined reference.

Specified by:

getClassWriter in interface ClassTable

Parameters:

clazz - the candidate class

Returns:

the class writer, or null to use the default mechanism

Throws:

java.io.IOException - if an I/O error occurs

readClass

public java.lang.Class<?> readClass(Unmarshaller unmarshaller)
                             throws java.io.IOException,
                                    java.lang.ClassNotFoundException

Read a class from the stream. The class will have been written by the ClassTable.getClassWriter(Class) method's Writer instance, as defined above.

Specified by:

readClass in interface ClassTable

Parameters:

unmarshaller - the unmarshaller to read from

Returns:

the class

Throws:

java.io.IOException - if an I/O error occurs

java.lang.ClassNotFoundException - if a class could not be found