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JavaEEObjectStreamFactory.java
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JavaEEObjectStreamFactory.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.container.common.spi.util;
import com.sun.logging.LogDomains;
import jakarta.inject.Inject;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
/**
* A Factory class for creating EJBObject input/output Stream
*
* @author Mahesh Kannan
*/
// FIXME: Seems dead, unused.
@Service
public class JavaEEObjectStreamFactory {
@Inject
ServiceLocator habitat;
public static final Logger _logger = LogDomains.getLogger(
JavaEEObjectStreamFactory.class, LogDomains.UTIL_LOGGER);
private static Collection<JavaEEObjectStreamHandler> _empty
= new ArrayList<>();
/**
*
* Obtain an ObjectOutputStream that allows serialization
* of a graph of objects. The objects can be plain Serializable objects
* or can be converted into Serializable objects using
* the handler
*
*@throws java.io.IOException when the serialziation fails
*@return an ObjectOutputStream that can be used to serialize objects
*/
public ObjectOutputStream createObjectOutputStream(
final OutputStream os,
final boolean replaceObject)
throws IOException
{
// Need privileged block here because EJBObjectOutputStream
// does enableReplaceObject
ObjectOutputStream oos = null;
final Collection<JavaEEObjectStreamHandler> handlers = replaceObject
? habitat.<JavaEEObjectStreamHandler>getAllServices(JavaEEObjectStreamHandler.class) : _empty;
if(System.getSecurityManager() == null) {
oos = new JavaEEObjectOutputStream(os, replaceObject, handlers);
} else {
try {
oos = (ObjectOutputStream) AccessController.doPrivileged(
new PrivilegedExceptionAction() {
@Override
public java.lang.Object run()
throws Exception {
return new JavaEEObjectOutputStream(os, replaceObject, handlers);
}
});
} catch ( PrivilegedActionException ex ) {
throw (IOException) ex.getException();
}
}
return oos;
}
/**
*
* Obtain an ObjectInputStream that allows de-serialization
* of a graph of objects.
*
*@throws java.io.IOException when the de-serialziation fails
*@return an ObjectInputStream that can be used to deserialize objects
*/
public ObjectInputStream createObjectInputStream(
final InputStream is,
final boolean resolveObject,
final ClassLoader loader)
throws Exception
{
ObjectInputStream ois = null;
if ( loader != null ) {
final Collection<JavaEEObjectStreamHandler> handlers = resolveObject
? habitat.<JavaEEObjectStreamHandler>getAllServices(JavaEEObjectStreamHandler.class) : _empty;
// Need privileged block here because EJBObjectInputStream
// does enableResolveObject
if(System.getSecurityManager() == null) {
ois = new JavaEEObjectInputStream(is, loader, resolveObject, handlers);
} else {
try {
ois = (ObjectInputStream)AccessController.doPrivileged(
new PrivilegedExceptionAction() {
@Override
public java.lang.Object run()
throws Exception {
return new JavaEEObjectInputStream(
is, loader, resolveObject, handlers);
}
});
} catch ( PrivilegedActionException ex ) {
throw (IOException) ex.getException();
}
}
} else {
ois = new ObjectInputStream(is);
}
return ois;
}
public final byte[] serializeObject(Object obj, boolean replaceObject)
throws java.io.IOException
{
byte[] data = null;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
try {
oos = this.createObjectOutputStream(
bos, replaceObject);
oos.writeObject(obj);
oos.flush();
data = bos.toByteArray();
} catch (java.io.NotSerializableException notSerEx) {
throw notSerEx;
} catch (Exception th) {
IOException ioEx = new IOException(th.toString());
ioEx.initCause(th);
throw ioEx;
} finally {
if (oos != null) {
try {
oos.close();
} catch (Exception ex) {
}
}
try {
bos.close();
} catch (Exception ex) {
}
}
return data;
}
public final Object deserializeObject(byte[] data, boolean resolveObject,
ClassLoader classLoader)
throws Exception
{
Object obj = null;
ByteArrayInputStream bis = null;
ObjectInputStream ois = null;
try {
bis = new ByteArrayInputStream(data);
ois = this.createObjectInputStream(bis, resolveObject,
classLoader);
obj = ois.readObject();
} catch (Exception ex) {
_logger.log(Level.FINE, "Error during deserialization", ex);
throw ex;
} finally {
try {
ois.close();
} catch (Exception ex) {
_logger.log(Level.FINEST, "Error during ois.close()", ex);
}
try {
bis.close();
} catch (Exception ex) {
_logger.log(Level.FINEST, "Error during bis.close()", ex);
}
}
return obj;
}
}