org.jboss.as.clustering.jgroups.subsystem.JGroupsSubsystemXMLWriter Maven / Gradle / Ivy
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/*
* Copyright The WildFly Authors
* SPDX-License-Identifier: Apache-2.0
*/
package org.jboss.as.clustering.jgroups.subsystem;
import java.util.Collection;
import java.util.EnumSet;
import java.util.stream.Stream;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.clustering.controller.Attribute;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.dmr.Property;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
/**
* @author Paul Ferraro
* @author Richard Achmatowicz (c) 2011 Red Hat Inc.
* @author Tristan Tarrant
*/
public class JGroupsSubsystemXMLWriter implements XMLElementWriter {
@Override
public void writeContent(XMLExtendedStreamWriter writer, SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(JGroupsSubsystemSchema.CURRENT.getNamespace().getUri(), false);
ModelNode model = context.getModelNode();
if (model.isDefined()) {
if (model.hasDefined(ChannelResourceDefinition.WILDCARD_PATH.getKey())) {
writer.writeStartElement(XMLElement.CHANNELS.getLocalName());
writeAttribute(writer, model, JGroupsSubsystemResourceDefinition.Attribute.DEFAULT_CHANNEL);
for (Property property: model.get(ChannelResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writer.writeStartElement(XMLElement.CHANNEL.getLocalName());
writer.writeAttribute(XMLAttribute.NAME.getLocalName(), property.getName());
ModelNode channel = property.getValue();
writeAttributes(writer, channel, ChannelResourceDefinition.Attribute.class);
if (channel.hasDefined(ForkResourceDefinition.WILDCARD_PATH.getKey())) {
for (Property forkProperty: channel.get(ForkResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writer.writeStartElement(XMLElement.FORK.getLocalName());
writer.writeAttribute(XMLAttribute.NAME.getLocalName(), forkProperty.getName());
ModelNode fork = forkProperty.getValue();
if (fork.hasDefined(ProtocolResourceDefinition.WILDCARD_PATH.getKey())) {
for (Property protocol: fork.get(ProtocolResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writeProtocol(writer, protocol);
}
}
writer.writeEndElement();
}
}
writer.writeEndElement();
}
writer.writeEndElement();
}
if (model.hasDefined(StackResourceDefinition.WILDCARD_PATH.getKey())) {
writer.writeStartElement(XMLElement.STACKS.getLocalName());
for (Property property: model.get(StackResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writer.writeStartElement(XMLElement.STACK.getLocalName());
writer.writeAttribute(XMLAttribute.NAME.getLocalName(), property.getName());
ModelNode stack = property.getValue();
writeAttributes(writer, stack, StackResourceDefinition.Attribute.class);
if (stack.hasDefined(TransportResourceDefinition.WILDCARD_PATH.getKey())) {
writeTransport(writer, stack.get(TransportResourceDefinition.WILDCARD_PATH.getKey()).asProperty());
}
if (stack.hasDefined(ProtocolResourceDefinition.WILDCARD_PATH.getKey())) {
for (Property protocol: stack.get(ProtocolResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writeProtocol(writer, protocol);
}
}
if (stack.get(RelayResourceDefinition.PATH.getKeyValuePair()).isDefined()) {
writeRelay(writer, stack.get(RelayResourceDefinition.PATH.getKeyValuePair()));
}
writer.writeEndElement();
}
writer.writeEndElement();
}
}
writer.writeEndElement();
}
private static void writeTransport(XMLExtendedStreamWriter writer, Property property) throws XMLStreamException {
writer.writeStartElement(XMLElement.TRANSPORT.getLocalName());
writeGenericProtocolAttributes(writer, property);
ModelNode transport = property.getValue();
writeAttributes(writer, transport, TransportResourceDefinition.Attribute.class);
if (containsName(TransportResourceRegistrar.SocketTransport.class, property.getName())) {
writeAttributes(writer, property.getValue(), SocketTransportResourceDefinition.Attribute.class);
}
writeElement(writer, transport, AbstractProtocolResourceDefinition.Attribute.PROPERTIES);
writeThreadPoolElements(XMLElement.DEFAULT_THREAD_POOL, ThreadPoolResourceDefinition.DEFAULT, writer, transport);
writer.writeEndElement();
}
private static void writeProtocol(XMLExtendedStreamWriter writer, Property property) throws XMLStreamException {
writer.writeStartElement(XMLElement.forProtocolName(property).getLocalName());
writeProtocolAttributes(writer, property);
writeElement(writer, property.getValue(), AbstractProtocolResourceDefinition.Attribute.PROPERTIES);
writer.writeEndElement();
}
private static void writeGenericProtocolAttributes(XMLExtendedStreamWriter writer, Property property) throws XMLStreamException {
writer.writeAttribute(XMLAttribute.TYPE.getLocalName(), property.getName());
writeAttributes(writer, property.getValue(), EnumSet.complementOf(EnumSet.of(AbstractProtocolResourceDefinition.Attribute.PROPERTIES)));
}
private static void writeProtocolAttributes(XMLExtendedStreamWriter writer, Property property) throws XMLStreamException {
writeGenericProtocolAttributes(writer, property);
String protocol = property.getName();
if (containsName(ProtocolResourceRegistrar.MulticastProtocol.class, protocol)) {
writeAttributes(writer, property.getValue(), MulticastSocketProtocolResourceDefinition.Attribute.class);
} else if (containsName(ProtocolResourceRegistrar.SocketProtocol.class, protocol)) {
writeAttributes(writer, property.getValue(), SocketProtocolResourceDefinition.Attribute.class);
} else if (containsName(ProtocolResourceRegistrar.JdbcProtocol.class, protocol)) {
writeAttributes(writer, property.getValue(), JDBCProtocolResourceDefinition.Attribute.class);
} else if (containsName(ProtocolResourceRegistrar.EncryptProtocol.class, protocol)) {
writeAttributes(writer, property.getValue(), EncryptProtocolResourceDefinition.Attribute.class);
} else if (containsName(ProtocolResourceRegistrar.InitialHostsProtocol.class, protocol)) {
writeAttributes(writer, property.getValue(), SocketDiscoveryProtocolResourceDefinition.Attribute.class);
} else if (containsName(ProtocolResourceRegistrar.AuthProtocol.class, protocol)) {
writeAuthToken(writer, property.getValue().get(AuthTokenResourceDefinition.WILDCARD_PATH.getKey()).asProperty());
}
}
private static > boolean containsName(Class enumClass, String name) {
for (E protocol : EnumSet.allOf(enumClass)) {
if (name.equals(protocol.name())) {
return true;
}
}
return false;
}
private static void writeAuthToken(XMLExtendedStreamWriter writer, Property token) throws XMLStreamException {
writer.writeStartElement(XMLElement.forAuthTokenName(token.getName()).getLocalName());
if (PlainAuthTokenResourceDefinition.PATH.getValue().equals(token.getName())) {
writeAttributes(writer, token.getValue(), AuthTokenResourceDefinition.Attribute.class);
}
if (DigestAuthTokenResourceDefinition.PATH.getValue().equals(token.getName())) {
writeAttributes(writer, token.getValue(), Stream.concat(EnumSet.allOf(AuthTokenResourceDefinition.Attribute.class).stream(), EnumSet.allOf(DigestAuthTokenResourceDefinition.Attribute.class).stream()));
}
if (CipherAuthTokenResourceDefinition.PATH.getValue().equals(token.getName())) {
writeAttributes(writer, token.getValue(), Stream.concat(EnumSet.allOf(AuthTokenResourceDefinition.Attribute.class).stream(), EnumSet.allOf(CipherAuthTokenResourceDefinition.Attribute.class).stream()));
}
writer.writeEndElement();
}
private static void writeThreadPoolElements(XMLElement element, ThreadPoolResourceDefinition pool, XMLExtendedStreamWriter writer, ModelNode transport) throws XMLStreamException {
PathElement path = pool.getPathElement();
if (transport.get(path.getKey()).hasDefined(path.getValue())) {
ModelNode threadPool = transport.get(path.getKeyValuePair());
if (hasDefined(threadPool, pool.getAttributes())) {
writer.writeStartElement(element.getLocalName());
writeAttributes(writer, threadPool, pool.getAttributes());
writer.writeEndElement();
}
}
}
private static void writeRelay(XMLExtendedStreamWriter writer, ModelNode relay) throws XMLStreamException {
writer.writeStartElement(XMLElement.RELAY.getLocalName());
writeAttributes(writer, relay, RelayResourceDefinition.Attribute.class);
if (relay.hasDefined(RemoteSiteResourceDefinition.WILDCARD_PATH.getKey())) {
for (Property property: relay.get(RemoteSiteResourceDefinition.WILDCARD_PATH.getKey()).asPropertyList()) {
writer.writeStartElement(XMLElement.REMOTE_SITE.getLocalName());
writer.writeAttribute(XMLAttribute.NAME.getLocalName(), property.getName());
writeAttributes(writer, property.getValue(), EnumSet.allOf(RemoteSiteResourceDefinition.Attribute.class));
writer.writeEndElement();
}
}
writer.writeEndElement();
}
private static boolean hasDefined(ModelNode model, Collection attributes) {
for (Attribute attribute : attributes) {
if (model.hasDefined(attribute.getName())) return true;
}
return false;
}
private static & Attribute> void writeAttributes(XMLExtendedStreamWriter writer, ModelNode model, Class attributeClass) throws XMLStreamException {
writeAttributes(writer, model, EnumSet.allOf(attributeClass));
}
private static void writeAttributes(XMLExtendedStreamWriter writer, ModelNode model, Collection attributes) throws XMLStreamException {
writeAttributes(writer, model, attributes.stream());
}
private static void writeAttributes(XMLExtendedStreamWriter writer, ModelNode model, Stream stream) throws XMLStreamException {
// Write attributes before elements
Stream.Builder objectAttributes = Stream.builder();
Iterable attributes = stream::iterator;
for (Attribute attribute : attributes) {
if (attribute.getDefinition().getType() == ModelType.OBJECT) {
objectAttributes.add(attribute);
} else {
writeAttribute(writer, model, attribute);
}
}
Iterable elementAttributes = objectAttributes.build()::iterator;
for (Attribute attribute : elementAttributes) {
writeElement(writer, model, attribute);
}
}
private static void writeAttribute(XMLExtendedStreamWriter writer, ModelNode model, Attribute attribute) throws XMLStreamException {
attribute.getDefinition().getMarshaller().marshallAsAttribute(attribute.getDefinition(), model, true, writer);
}
private static void writeElement(XMLExtendedStreamWriter writer, ModelNode model, Attribute attribute) throws XMLStreamException {
attribute.getDefinition().getMarshaller().marshallAsElement(attribute.getDefinition(), model, true, writer);
}
}