/*
* 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.jboss.as.subsystem.test.transformers.subsystem.simple;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AbstractRemoveStepHandler;
import org.jboss.as.controller.AbstractWriteAttributeHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.Extension;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.SubsystemRegistration;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.descriptions.NonResolvingResourceDescriptionResolver;
import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.parsing.ExtensionParsingContext;
import org.jboss.as.controller.parsing.ParseUtils;
import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.controller.transform.TransformerOperationAttachment;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLElementWriter;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
/**
* @author Emanuel Muckenhuber
* @author Kabir Khan
*/
public abstract class VersionedExtensionCommon implements Extension {
public static final String SUBSYSTEM_NAME = "test-subsystem";
public static final String EXTENSION_NAME = "org.jboss.as.test.transformers";
static final PathElement SUBSYSTEM_PATH = PathElement.pathElement(ModelDescriptionConstants.SUBSYSTEM, SUBSYSTEM_NAME);
static final AttributeDefinition TEST_ATTRIBUTE = SimpleAttributeDefinitionBuilder.create("test-attribute", ModelType.STRING).build();
private SubsystemParser parser = new SubsystemParser(EXTENSION_NAME);
public SubsystemParser getParser() {
return parser;
}
protected ManagementResourceRegistration initializeSubsystem(final SubsystemRegistration registration) {
// Common subsystem tasks
registration.registerXMLElementWriter(getParser());
final ManagementResourceRegistration reg = registration.registerSubsystemModel(new TestResourceDefinition(SUBSYSTEM_PATH, new TestModelOnlyAddHandler(TEST_ATTRIBUTE)) {
@Override
public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
resourceRegistration.registerReadWriteAttribute(TEST_ATTRIBUTE, null, new BasicAttributeWriteHandler(TEST_ATTRIBUTE));
}
});
reg.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
return reg;
}
@Override
public void initializeParsers(ExtensionParsingContext context) {
context.setSubsystemXmlMapping(SUBSYSTEM_NAME, EXTENSION_NAME, parser);
}
protected ModelNode createAddOperation(PathAddress addr) {
ModelNode op = new ModelNode();
op.get(OP).set(ADD);
op.get(OP_ADDR).set(addr.toModelNode());
return op;
}
protected abstract void addChildElements(List<ModelNode> list);
protected static class TestResourceDefinition extends SimpleResourceDefinition {
protected TestResourceDefinition(PathElement element) {
this(element, new TestModelOnlyAddHandler());
}
@SuppressWarnings("deprecation")
protected TestResourceDefinition(PathElement element, AbstractAddStepHandler addHandler) {
super(element, TEST_RESOURCE_DESCRIPTION_RESOLVER, addHandler, NOOP_REMOVE_HANDLER, OperationEntry.Flag.RESTART_NONE, OperationEntry.Flag.RESTART_NONE);
}
}
private static class TestModelOnlyAddHandler extends AbstractAddStepHandler {
AttributeDefinition[] attributes;
public TestModelOnlyAddHandler(AttributeDefinition... attributes) {
this.attributes = attributes;
}
@Override
protected void populateModel(final ModelNode operation, final ModelNode model) throws OperationFailedException {
for (AttributeDefinition def : attributes) {
def.validateAndSet(operation, model);
}
}
}
private static AbstractRemoveStepHandler NOOP_REMOVE_HANDLER = new AbstractRemoveStepHandler() {
@Override
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
super.performRuntime(context, operation, model);
}
};
private static class BasicAttributeWriteHandler extends AbstractWriteAttributeHandler<Void> {
protected BasicAttributeWriteHandler(AttributeDefinition def) {
super(def);
}
@Override
protected void finishModelStage(OperationContext context, ModelNode operation, String attributeName, ModelNode newValue, ModelNode oldValue, Resource model) throws OperationFailedException {
super.finishModelStage(context, operation, attributeName, newValue, oldValue, model);
if (!context.isBooting()) {
TransformerOperationAttachment attachment = TransformerOperationAttachment.getOrCreate(context);
attachment.attachIfAbsent(TestAttachment.KEY, new TestAttachment(oldValue.asString()));
}
}
@Override
protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode resolvedValue, ModelNode currentValue, HandbackHolder<Void> voidHandbackHolder) throws OperationFailedException {
return false;
}
@Override
protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode valueToRestore, ModelNode valueToRevert, Void handback) throws OperationFailedException {
}
}
private class SubsystemParser implements XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
private final String namespace;
private SubsystemParser(String namespace) {
this.namespace = namespace;
}
@Override
public void readElement(XMLExtendedStreamReader reader, List<ModelNode> list) throws XMLStreamException {
ParseUtils.requireNoAttributes(reader);
ParseUtils.requireNoContent(reader);
ModelNode subsystemAdd = Util.createAddOperation(PathAddress.pathAddress(PathElement.pathElement(SUBSYSTEM, SUBSYSTEM_NAME)));
subsystemAdd.get("test-attribute").set("This is only a test");
list.add(subsystemAdd);
addChildElements(list);
}
@Override
public void writeContent(XMLExtendedStreamWriter streamWriter, SubsystemMarshallingContext context) throws XMLStreamException {
context.startSubsystemElement(namespace, false);
streamWriter.writeEndElement();
}
}
static ResourceDescriptionResolver TEST_RESOURCE_DESCRIPTION_RESOLVER = new NonResolvingResourceDescriptionResolver();
public static class TestAttachment {
public static final OperationContext.AttachmentKey<TestAttachment> KEY = OperationContext.AttachmentKey.create(TestAttachment.class);
public volatile String s;
public TestAttachment(String s) {
this.s = s;
}
}
}