/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* 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
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* 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.extension.mod_cluster;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
import javax.xml.stream.XMLStreamException;
import static org.wildfly.extension.mod_cluster.CommonAttributes.CUSTOM_LOAD_METRIC;
import static org.wildfly.extension.mod_cluster.CommonAttributes.DECAY;
import static org.wildfly.extension.mod_cluster.CommonAttributes.HISTORY;
import static org.wildfly.extension.mod_cluster.CommonAttributes.LOAD_METRIC;
import static org.wildfly.extension.mod_cluster.CommonAttributes.NAME;
import static org.wildfly.extension.mod_cluster.CommonAttributes.SIMPLE_LOAD_PROVIDER_FACTOR;
import static org.wildfly.extension.mod_cluster.CommonAttributes.VALUE;
public class ModClusterSubsystemXMLWriter implements XMLElementWriter<SubsystemMarshallingContext> {
@Override
public void writeContent(final XMLExtendedStreamWriter writer, final SubsystemMarshallingContext context)
throws XMLStreamException {
context.startSubsystemElement(ModClusterSchema.CURRENT.getNamespaceUri(), false);
ModelNode node = context.getModelNode();
if (node.get(ModClusterConfigResourceDefinition.PATH.getKeyValuePair()).isDefined()) {
writeModClusterConfig(writer, node.get(ModClusterConfigResourceDefinition.PATH.getKeyValuePair()));
} else {
writeModClusterConfig(writer, node);
}
writer.writeEndElement();
}
static void writeModClusterConfig(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
writer.writeStartElement(Element.MOD_CLUSTER_CONFIG.getLocalName());
// write attributes
writeConfiguration(writer, config);
// write elements
if (config.hasDefined(SIMPLE_LOAD_PROVIDER_FACTOR)) {
writeSimpleLoadProvider(writer, config);
}
if (config.get(DynamicLoadProviderDefinition.PATH.getKeyValuePair()).isDefined()) {
writeDynamicLoadProvider(writer, config.get(DynamicLoadProviderDefinition.PATH.getKeyValuePair()));
}
if (config.get(ModClusterSSLResourceDefinition.PATH.getKeyValuePair()).isDefined()) {
writeSSL(writer, config.get(ModClusterSSLResourceDefinition.PATH.getKeyValuePair()));
}
writer.writeEndElement();
}
static void writeConfiguration(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
for (AttributeDefinition def : ModClusterConfigResourceDefinition.ATTRIBUTES) {
def.getAttributeMarshaller().marshallAsAttribute(def, config, true, writer);
}
}
static void writeSSL(XMLExtendedStreamWriter writer, ModelNode sslConfig) throws XMLStreamException {
writer.writeStartElement(Element.SSL.getLocalName());
for (SimpleAttributeDefinition def : ModClusterSSLResourceDefinition.ATTRIBUTES) {
def.marshallAsAttribute(sslConfig, false, writer);
}
writer.writeEndElement();
}
/* Simple Load provider */
static void writeSimpleLoadProvider(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
writer.writeStartElement(Element.SIMPLE_LOAD_PROVIDER.getLocalName());
ModClusterConfigResourceDefinition.SIMPLE_LOAD_PROVIDER.marshallAsAttribute(config, false, writer);
writer.writeEndElement();
}
/* Dynamic load provider */
static void writeDynamicLoadProvider(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
writer.writeStartElement(Element.DYNAMIC_LOAD_PROVIDER.getLocalName());
writeAttribute(writer, HISTORY, config);
writeAttribute(writer, DECAY, config);
// write the elements.
if (config.hasDefined(LOAD_METRIC)) {
writeLoadMetric(writer, config.get(LOAD_METRIC));
}
if (config.hasDefined(CUSTOM_LOAD_METRIC)) {
writeCustomLoadMetric(writer, config.get(CUSTOM_LOAD_METRIC));
}
writer.writeEndElement();
}
/* Load Metric parsing logic */
static void writeLoadMetric(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
for (Property prop : config.asPropertyList()) {
ModelNode node = prop.getValue();
writer.writeStartElement(Element.LOAD_METRIC.getLocalName());
LoadMetricDefinition.TYPE.marshallAsAttribute(node, false, writer);
LoadMetricDefinition.WEIGHT.marshallAsAttribute(node, false, writer);
LoadMetricDefinition.CAPACITY.marshallAsAttribute(node, false, writer);
if (node.get(CommonAttributes.PROPERTY).isDefined()) {
for (Property property : node.get(CommonAttributes.PROPERTY).asPropertyList()) {
writeProperty(writer, property);
}
}
writer.writeEndElement();
}
}
/* Custom Load Metric parsing logic */
static void writeCustomLoadMetric(XMLExtendedStreamWriter writer, ModelNode config) throws XMLStreamException {
for (Property prop : config.asPropertyList()) {
ModelNode node = prop.getValue();
writer.writeStartElement(Element.CUSTOM_LOAD_METRIC.getLocalName());
CustomLoadMetricDefinition.CLASS.marshallAsAttribute(node, false, writer);
LoadMetricDefinition.WEIGHT.marshallAsAttribute(node, false, writer);
LoadMetricDefinition.CAPACITY.marshallAsAttribute(node, false, writer);
if (node.get(CommonAttributes.PROPERTY).isDefined()) {
for (Property property : node.get(CommonAttributes.PROPERTY).asPropertyList()) {
writeProperty(writer, property);
}
}
writer.writeEndElement();
}
}
static void writeAttribute(final XMLExtendedStreamWriter writer, final String name, ModelNode node)
throws XMLStreamException {
if (node.hasDefined(name)) {
writer.writeAttribute(name, node.get(name).asString());
}
}
/* Property logic */
static void writeProperty(final XMLExtendedStreamWriter writer, Property property) throws XMLStreamException {
writer.writeStartElement(Element.PROPERTY.getLocalName());
writer.writeAttribute(NAME, property.getName());
writer.writeAttribute(VALUE, property.getValue().asString());
writer.writeEndElement();
}
}