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JBoss Marshalling OSGi Bundle with API and implementations
/*
* 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.IOException;
/**
* An abstract implementation of the {@code Marshaller} interface. Most of the
* write methods delegate directly to the current data output.
*/
public abstract class AbstractMarshaller extends AbstractObjectOutput implements Marshaller {
/** The configured class externalizer factory. */
protected final ClassExternalizerFactory classExternalizerFactory;
/** The configured stream header. */
protected final StreamHeader streamHeader;
/** The configured class resolver. */
protected final ClassResolver classResolver;
/** The configured object resolver. */
protected final ObjectResolver objectResolver;
/** The configured pre object resolver. */
protected final ObjectResolver objectPreResolver;
/** The configured class table. */
protected final ClassTable classTable;
/** The configured object table. */
protected final ObjectTable objectTable;
/** The configured exception listener. */
protected final ExceptionListener exceptionListener;
/** The configured serializability checker. */
protected final SerializabilityChecker serializabilityChecker;
/** The configured version to write. */
protected final int configuredVersion;
/**
* Construct a new marshaller instance.
*
* @param marshallerFactory the marshaller factory
* @param configuration
*/
protected AbstractMarshaller(final AbstractMarshallerFactory marshallerFactory, final MarshallingConfiguration configuration) {
super(calcBufferSize(marshallerFactory, configuration));
final ClassExternalizerFactory classExternalizerFactory = configuration.getClassExternalizerFactory();
this.classExternalizerFactory = classExternalizerFactory == null ? marshallerFactory.getDefaultClassExternalizerFactory() : classExternalizerFactory;
final StreamHeader streamHeader = configuration.getStreamHeader();
this.streamHeader = streamHeader == null ? marshallerFactory.getDefaultStreamHeader() : streamHeader;
final ClassResolver classResolver = configuration.getClassResolver();
this.classResolver = classResolver == null ? marshallerFactory.getDefaultClassResolver() : classResolver;
final ObjectResolver objectResolver = configuration.getObjectResolver();
this.objectResolver = objectResolver == null ? marshallerFactory.getDefaultObjectResolver() : objectResolver;
final ObjectResolver objectPreResolver = configuration.getObjectPreResolver();
this.objectPreResolver = objectPreResolver == null ? marshallerFactory.getDefaultObjectResolver() : objectPreResolver;
final ClassTable classTable = configuration.getClassTable();
this.classTable = classTable == null ? marshallerFactory.getDefaultClassTable() : classTable;
final ObjectTable objectTable = configuration.getObjectTable();
this.objectTable = objectTable == null ? marshallerFactory.getDefaultObjectTable() : objectTable;
final ExceptionListener exceptionListener = configuration.getExceptionListener();
this.exceptionListener = exceptionListener == null ? ExceptionListener.NO_OP : exceptionListener;
final SerializabilityChecker serializabilityChecker = configuration.getSerializabilityChecker();
this.serializabilityChecker = serializabilityChecker == null ? SerializabilityChecker.DEFAULT : serializabilityChecker;
final int configuredVersion = configuration.getVersion();
this.configuredVersion = configuredVersion == -1 ? marshallerFactory.getDefaultVersion() : configuredVersion;
}
private static int calcBufferSize(final AbstractMarshallerFactory marshallerFactory, final MarshallingConfiguration configuration) {
final int minBufSize = marshallerFactory.getMinimumBufferSize();
final int bufferSize = configuration.getBufferSize();
return bufferSize == -1 ? marshallerFactory.getDefaultBufferSize() : bufferSize < minBufSize ? minBufSize : bufferSize;
}
/** {@inheritDoc} */
public void start(final ByteOutput byteOutput) throws IOException {
this.byteOutput = byteOutput;
buffer = new byte[bufferSize];
streamHeader.writeHeader(this);
}
/** {@inheritDoc} */
public final void writeObjectUnshared(final Object obj) throws IOException {
try {
super.writeObjectUnshared(obj);
} catch (IOException e) {
TraceInformation.addObjectInformation(e, obj);
exceptionListener.handleMarshallingException(e, obj);
throw e;
} catch (RuntimeException e) {
TraceInformation.addObjectInformation(e, obj);
exceptionListener.handleMarshallingException(e, obj);
throw e;
}
}
/** {@inheritDoc} */
public final void writeObject(final Object obj) throws IOException {
try {
super.writeObject(obj);
} catch (IOException e) {
TraceInformation.addObjectInformation(e, obj);
exceptionListener.handleMarshallingException(e, obj);
throw e;
} catch (RuntimeException e) {
TraceInformation.addObjectInformation(e, obj);
exceptionListener.handleMarshallingException(e, obj);
throw e;
}
}
/** {@inheritDoc} */
public void finish() throws IOException {
try {
super.finish();
} finally {
clearClassCache();
}
}
/** {@inheritDoc} */
public void close() throws IOException {
finish();
}
}