org.wildfly.naming.client.remote.ProtocolUtils Maven / Gradle / Ivy
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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.naming.client.remote;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ServiceConfigurationError;
import java.util.ServiceLoader;
import org.jboss.marshalling.Marshaller;
import org.jboss.marshalling.Marshalling;
import org.jboss.marshalling.MarshallingConfiguration;
import org.jboss.marshalling.Unmarshaller;
import org.jboss.remoting3.MessageInputStream;
import org.jboss.remoting3.MessageOutputStream;
import org.wildfly.naming.client.MarshallingCompatibilityHelper;
/**
* Utilities related to the remote naming transport protocol.
*
* @author Farah Juma
*/
final class ProtocolUtils {
public static final String NAMING = "naming";
public static final byte[] NAMING_BYTES = { 'n', 'a', 'm', 'i', 'n', 'g' };
private ProtocolUtils() {
}
public static int readId(final MessageInputStream stream, final int version) throws IOException {
return version == 1 ? stream.readInt() : stream.readUnsignedShort();
}
public static void writeId(final MessageOutputStream stream, final int version, final int id) throws IOException {
if (version == 1) {
stream.writeInt(id);
} else {
stream.writeShort(id);
}
}
public static Unmarshaller createUnmarshaller(MessageInputStream is, MarshallingConfiguration configuration) throws IOException {
final Unmarshaller unmarshaller = Marshalling.getProvidedMarshallerFactory("river").createUnmarshaller(configuration);
unmarshaller.start(Marshalling.createByteInput(is));
return unmarshaller;
}
public static Marshaller createMarshaller(MessageOutputStream os, MarshallingConfiguration configuration) throws IOException {
final Marshaller marshaller = Marshalling.getProvidedMarshallerFactory("river").createMarshaller(configuration);
marshaller.start(Marshalling.createByteOutput(os));
return marshaller;
}
private static final List MARSHALLING_COMPATIBILITY_HELPERS;
static {
List list = new ArrayList<>();
final ServiceLoader helpers = ServiceLoader.load(MarshallingCompatibilityHelper.class, ProtocolUtils.class.getClassLoader());
final Iterator iterator = helpers.iterator();
for (;;) try {
if (! iterator.hasNext()) break;
list.add(iterator.next());
} catch (ServiceConfigurationError e) {}
MARSHALLING_COMPATIBILITY_HELPERS = list;
}
static List getMarshallingCompatibilityHelpers() {
return MARSHALLING_COMPATIBILITY_HELPERS;
}
}