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NamingUtilsImpl.java
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NamingUtilsImpl.java
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/*
* Copyright (c) 2022, 2023 Contributors to the Eclipse Foundation
* Copyright (c) 2006, 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.naming.util;
import com.sun.enterprise.naming.spi.NamingObjectFactory;
import com.sun.enterprise.naming.spi.NamingUtils;
import jakarta.inject.Singleton;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.util.logging.Level;
import javax.naming.Context;
import org.glassfish.api.naming.SimpleJndiName;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.jvnet.hk2.annotations.Service;
import static com.sun.enterprise.naming.util.LogFacade.logger;
import static org.glassfish.common.util.ObjectInputOutputStreamFactoryFactory.getFactory;
/**
* This is a utils class for refactoring the following method.
*/
@Service
@Singleton
public class NamingUtilsImpl implements NamingUtils {
@LogMessageInfo(
message = "Exception in NamingUtilsImpl copyMutableObject(): {0}",
cause = "Problem with serialising or deserialising of the object",
action = "Check the class hierarchy to see if all the classes are Serializable.")
public static final String EXCEPTION_COPY_MUTABLE = "AS-NAMING-00006";
@Override
public <T> NamingObjectFactory createSimpleNamingObjectFactory(SimpleJndiName name, T value) {
return new SimpleNamingObjectFactory<>(name, value);
}
@Override
public NamingObjectFactory createLazyNamingObjectFactory(SimpleJndiName name, SimpleJndiName jndiName,
boolean cacheResult) {
return new JndiNamingObjectFactory(name, jndiName, cacheResult);
}
@Override
public NamingObjectFactory createLazyInitializationNamingObjectFactory(SimpleJndiName name, SimpleJndiName jndiName,
boolean cacheResult) {
return new JndiInitializationNamingObjectFactory(name, jndiName, cacheResult);
}
@Override
public NamingObjectFactory createCloningNamingObjectFactory(SimpleJndiName name, NamingObjectFactory delegate) {
return new CloningNamingObjectFactory<>(name, delegate);
}
@Override
public <T> T makeCopyOfObject(T obj) {
if (obj instanceof Context || !(obj instanceof Serializable)) {
// XXX no copy ?
return obj;
}
logger.log(Level.FINE, "makeCopyOfObject({0})", obj);
try {
// first serialize the object
final byte[] data;
try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = getFactory().createObjectOutputStream(bos)) {
oos.writeObject(obj);
oos.flush();
data = bos.toByteArray();
}
// now deserialize it
try (ByteArrayInputStream bis = new ByteArrayInputStream(data);
ObjectInputStream ois = getFactory().createObjectInputStream(bis)) {
return (T) AccessController.doPrivileged((PrivilegedExceptionAction<Object>) ois::readObject);
}
} catch (Exception ex) {
logger.log(Level.SEVERE, EXCEPTION_COPY_MUTABLE, obj);
throw new RuntimeException("Cant copy Serializable object " + obj, ex);
}
}
}