org.jboss.marshalling.Unmarshaller Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.marshalling;
import java.io.InvalidObjectException;
import java.io.ObjectInput;
import java.io.IOException;
/**
* An unmarshaller which reads objects from a stream.
*/
public interface Unmarshaller extends ObjectInput, ByteInput {
/**
* Read and return an unshared object.
*
* @return an unshared object
* @throws ClassNotFoundException if the class of a serialized object cannot be found
* @throws IOException if an error occurs
*/
Object readObjectUnshared() throws ClassNotFoundException, IOException;
/**
* Read and return an object, cast to a specific type.
*
* @param type the object class
* @param the object type
* @return the object read from the stream
* @throws ClassNotFoundException if the class of a serialized object cannot be found
* @throws InvalidObjectException if the object is not of the expected type
* @throws IOException if an error occurs
*/
T readObject(Class type) throws ClassNotFoundException, IOException;
/**
* Read and return an unshared object, cast to a specific type.
*
* @param type the object class
* @param the object type
* @return an unshared object
* @throws ClassNotFoundException if the class of a serialized object cannot be found
* @throws InvalidObjectException if the object is not of the expected type
* @throws IOException if an error occurs
*/
T readObjectUnshared(Class type) throws ClassNotFoundException, IOException;
/**
* Begin unmarshalling from a stream.
*
* @param newInput the new stream
* @throws IOException if an error occurs during setup, such as an invalid header
*/
void start(ByteInput newInput) throws IOException;
/**
* Discard the instance cache.
*
* @throws IOException if an error occurs
*/
void clearInstanceCache() throws IOException;
/**
* Discard the class cache. Implicitly also discards the instance cache.
*
* @throws IOException if an error occurs
*/
void clearClassCache() throws IOException;
/**
* Finish unmarshalling from a stream. Any transient class or instance cache is discarded.
*
* @throws IOException if an error occurs
*/
void finish() throws IOException;
}