/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, 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.server.parsing;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.CONTENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DEPLOYMENT;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DEPLOYMENT_OVERLAY;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.HASH;
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.parsing.ParseUtils.missingRequired;
import static org.jboss.as.controller.parsing.ParseUtils.requireNamespace;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoAttributes;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoContent;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoNamespaceAttribute;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedAttribute;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedElement;
import static org.jboss.as.controller.parsing.WriteUtils.writeAttribute;
import static org.jboss.as.controller.parsing.WriteUtils.writeNewLine;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.controller.HashUtil;
import org.jboss.as.controller.parsing.Attribute;
import org.jboss.as.controller.parsing.Element;
import org.jboss.as.controller.parsing.Namespace;
import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLExtendedStreamWriter;
/**
* Parsing and marshalling logic specific to deployment overlays.
*
* The contents of this file have been pulled from {@see CommonXml}, see the commit history of that file for true author
* attribution.
*
* Note: This class is only indented to support versions 1, 2, and 3 of the schema, if later major versions of the schema
* include updates to the types represented by this class then this class should be forked.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
class DeploymentOverlaysXml {
void parseDeploymentOverlays(final XMLExtendedStreamReader reader, final Namespace namespace, final ModelNode baseAddress, final List<ModelNode> list, final boolean allowContent, final boolean allowDeployment) throws XMLStreamException {
requireNoAttributes(reader);
while (reader.nextTag() != END_ELEMENT) {
requireNamespace(reader, namespace);
final Element element = Element.forName(reader.getLocalName());
switch (element) {
case DEPLOYMENT_OVERLAY:
parseDeploymentOverlay(reader, baseAddress, list, allowContent, allowDeployment);
break;
default:
throw unexpectedElement(reader);
}
}
}
private void parseDeploymentOverlay(final XMLExtendedStreamReader reader, final ModelNode baseAddress, final List<ModelNode> list, final boolean allowContent, final boolean allowDeployment) throws XMLStreamException {
final EnumSet<Attribute> required = EnumSet.of(Attribute.NAME);
String name = null;
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME: {
name = value;
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
if (required.size() > 0) {
throw missingRequired(reader, required);
}
ModelNode addr = baseAddress.clone();
addr.add(DEPLOYMENT_OVERLAY, name);
final ModelNode op = new ModelNode();
op.get(OP).set(ADD);
op.get(OP_ADDR).set(addr);
list.add(op);
while (reader.nextTag() != END_ELEMENT) {
final Element element = Element.forName(reader.getLocalName());
if(element == Element.CONTENT && allowContent) {
parseContentOverride(name, reader, baseAddress, list);
} else if(element == Element.DEPLOYMENT && allowDeployment) {
parseDeploymentOverlayDeployment(name, reader, baseAddress, list);
} else {
throw unexpectedElement(reader);
}
}
}
private void parseContentOverride(final String name, final XMLExtendedStreamReader reader, final ModelNode baseAddress, final List<ModelNode> list) throws XMLStreamException {
final EnumSet<Attribute> required = EnumSet.of(Attribute.PATH, Attribute.CONTENT);
String path = null;
byte[] content = null;
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case PATH: {
path = value;
break;
}
case CONTENT: {
content = HashUtil.hexStringToByteArray(value);
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
requireNoContent(reader);
if (required.size() > 0) {
throw missingRequired(reader, required);
}
final ModelNode address = baseAddress.clone();
address.add(DEPLOYMENT_OVERLAY, name);
address.add(CONTENT, path);
final ModelNode op = new ModelNode();
op.get(OP).set(ADD);
op.get(OP_ADDR).set(address);
op.get(CONTENT).get(HASH).set(content);
list.add(op);
}
private void parseDeploymentOverlayDeployment(final String name, final XMLExtendedStreamReader reader, final ModelNode baseAddress, final List<ModelNode> list) throws XMLStreamException {
final EnumSet<Attribute> required = EnumSet.of(Attribute.NAME);
String depName = null;
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
requireNoNamespaceAttribute(reader, i);
final String value = reader.getAttributeValue(i);
final Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
required.remove(attribute);
switch (attribute) {
case NAME: {
depName = value;
break;
}
default:
throw unexpectedAttribute(reader, i);
}
}
requireNoContent(reader);
if (required.size() > 0) {
throw missingRequired(reader, required);
}
final ModelNode address = baseAddress.clone();
address.add(DEPLOYMENT_OVERLAY, name);
address.add(DEPLOYMENT, depName);
final ModelNode op = new ModelNode();
op.get(OP).set(ADD);
op.get(OP_ADDR).set(address);
list.add(op);
}
void writeDeploymentOverlays(final XMLExtendedStreamWriter writer, final ModelNode modelNode) throws XMLStreamException {
Set<String> names = modelNode.keys();
if (names.size() > 0) {
writer.writeStartElement(Element.DEPLOYMENT_OVERLAYS.getLocalName());
for (String uniqueName : names) {
final ModelNode contentItem = modelNode.get(uniqueName);
writer.writeStartElement(Element.DEPLOYMENT_OVERLAY.getLocalName());
writeAttribute(writer, Attribute.NAME, uniqueName);
if (contentItem.hasDefined(CONTENT)) {
final ModelNode overridesNode = contentItem.get(CONTENT);
final Set<String> overrides = overridesNode.keys();
for (final String override : overrides) {
final ModelNode overrideNode = overridesNode.get(override);
final String content = HashUtil.bytesToHexString(overrideNode.require(CONTENT).asBytes());
writer.writeStartElement(Element.CONTENT.getLocalName());
writeAttribute(writer, Attribute.PATH, override);
writeAttribute(writer, Attribute.CONTENT, content);
writer.writeEndElement();
}
}
if (contentItem.hasDefined(DEPLOYMENT)) {
final ModelNode deployments = contentItem.get(DEPLOYMENT);
Set<String> deploymentNames = deployments.keys();
if (deploymentNames.size() > 0) {
for (String deploymentName : deploymentNames) {
final ModelNode depNode = deployments.get(deploymentName);
writer.writeStartElement(Element.DEPLOYMENT.getLocalName());
writeAttribute(writer, Attribute.NAME, deploymentName);
writer.writeEndElement();
}
}
}
writer.writeEndElement();
}
writer.writeEndElement();
writeNewLine(writer);
}
}
}