ObjectInputStreamWithClassLoader (JBoss/JMX API) - JBoss 4.0.1 sp1 jmx API Documentation 英文版文档

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org.jboss.mx.server
Class ObjectInputStreamWithClassLoader

java.lang.Object
  java.io.InputStream
      java.io.ObjectInputStream
          org.jboss.mx.server.ObjectInputStreamWithClassLoader

All Implemented Interfaces:: DataInput, ObjectInput, ObjectStreamConstants

public class ObjectInputStreamWithClassLoader
extends ObjectInputStream

This replaces the EjbossInputStream in the storage package. The input stream will take a class loader in its constructor and look into it to retrieve the class definitions. It is used throughout the server to deserialize parameters and objects whose definition are in a jar and not the global classpath It also has better comments than the previous version.

Since:: Ejboss 0.9
Author:: Rickard Oberg

Nested Class Summary

Nested classes inherited from class java.io.ObjectInputStream

ObjectInputStream.GetField

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

ObjectInputStreamWithClassLoader(InputStream in, ClassLoader cl)
          Construct a new instance with the given classloader and input stream.

Method Summary

protected Class resolveClass(ObjectStreamClass osc)
          Resolve the class described in the osc parameter.

protected Class resolveProxyClass(String[] interfaces)


Methods inherited from class java.io.ObjectInputStream

available, close, defaultReadObject, enableResolveObject, read, read, readBoolean, readByte, readChar, readClassDescriptor, readDouble, readFields, readFloat, readFully, readFully, readInt, readLine, readLong, readObject, readObjectOverride, readShort, readStreamHeader, readUnshared, readUnsignedByte, readUnsignedShort, readUTF, registerValidation, resolveObject, skipBytes

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.ObjectInput

read, skip

Constructor Detail

ObjectInputStreamWithClassLoader

public ObjectInputStreamWithClassLoader(InputStream in,
                                        ClassLoader cl)
                                 throws IOException

Construct a new instance with the given classloader and input stream.

Method Detail

resolveClass

protected Class resolveClass(ObjectStreamClass osc)
                      throws IOException,
                             ClassNotFoundException

Resolve the class described in the osc parameter. First, try the default classloader (implemented by the super class). If it cannot load the class, try the classloader given to this instance.

Returns:: the Class corresponding to class description
Throws:: IOException - if an I/O error occurs; ClassNotFoundException - if the class cannot be found by the classloader

resolveProxyClass

protected Class resolveProxyClass(String[] interfaces)
                           throws IOException,
                                  ClassNotFoundException

Throws:: IOException; ClassNotFoundException