public class ClassConfigurator
extends java.lang.Object
org.jgroups.conf.magicNumberFile
.
It must be relative to one of the classpath elements, to allow the
classloader to locate the file. If a value is not specified,
MagicNumberReader.MAGIC_NUMBER_FILE
is used, which defaults
to "jg-magic-map.xml".MagicNumberReader
Modifier and Type | Field and Description |
---|---|
protected org.apache.commons.logging.Log |
log |
Constructor and Description |
---|
ClassConfigurator() |
Modifier and Type | Method and Description |
---|---|
void |
add(short magic,
java.lang.Class clazz)
Method to register a user-defined header with jg-magic-map at runtime
|
java.lang.Class |
get(short magic)
Returns a class for a magic number.
|
java.lang.Class |
get(java.lang.String clazzname)
Loads and returns the class from the class name
|
static ClassConfigurator |
getInstance() |
static ClassConfigurator |
getInstance(boolean init) |
short |
getMagicNumber(java.lang.Class clazz)
Returns the magic number for the class.
|
short |
getMagicNumberFromObjectStreamClass(java.io.ObjectStreamClass objStream) |
java.io.ObjectStreamClass |
getObjectStreamClassFromMagicNumber(short magic_number) |
void |
init() |
static void |
main(java.lang.String[] args) |
java.lang.String |
printClassMap() |
java.lang.String |
printMagicMap() |
java.lang.String |
toString() |
public void init() throws ChannelException
ChannelException
public static ClassConfigurator getInstance(boolean init) throws ChannelException
ChannelException
public static ClassConfigurator getInstance() throws ChannelException
ChannelException
public void add(short magic, java.lang.Class clazz) throws java.lang.IllegalArgumentException
magic
- The magic number. Needs to be > 1024clazz
- The class. Usually a subclass of Headerjava.lang.IllegalArgumentException
- If the magic number is already taken, or the magic number is <= 1024public java.lang.Class get(short magic)
magic
- the magic number that maps to the classpublic java.lang.Class get(java.lang.String clazzname)
clazzname
- a fully classified class name to be loadedpublic short getMagicNumber(java.lang.Class clazz)
clazz
- a class object that we want the magic number forpublic short getMagicNumberFromObjectStreamClass(java.io.ObjectStreamClass objStream)
public java.io.ObjectStreamClass getObjectStreamClassFromMagicNumber(short magic_number)
public java.lang.String toString()
toString
in class java.lang.Object
public java.lang.String printMagicMap()
public java.lang.String printClassMap()
public static void main(java.lang.String[] args) throws java.lang.Exception
java.lang.Exception
Copyright ? 1998-2008 Bela Ban. All Rights Reserved.