ResourceAdapterParser.java
/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2014, 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 Eclipse Public License 1.0 as
* published by the Free Software Foundation.
*
* 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 Eclipse
* Public License for more details.
*
* You should have received a copy of the Eclipse 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.ironjacamar.common.metadata.resourceadapter;
import org.ironjacamar.common.CommonBundle;
import org.ironjacamar.common.api.metadata.common.TransactionSupportEnum;
import org.ironjacamar.common.api.metadata.resourceadapter.Activation;
import org.ironjacamar.common.api.metadata.resourceadapter.Activations;
import org.ironjacamar.common.api.metadata.resourceadapter.AdminObject;
import org.ironjacamar.common.api.metadata.resourceadapter.ConnectionDefinition;
import org.ironjacamar.common.api.metadata.resourceadapter.WorkManager;
import org.ironjacamar.common.api.validator.ValidateException;
import org.ironjacamar.common.metadata.MetadataParser;
import org.ironjacamar.common.metadata.ParserException;
import org.ironjacamar.common.metadata.common.CommonIronJacamarParser;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import org.jboss.logging.Messages;
/**
* A ResourceAdapterParserr.
*
* @author <a href="jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
public class ResourceAdapterParser extends CommonIronJacamarParser implements MetadataParser<Activations>
{
/** The bundle */
private static CommonBundle bundle = Messages.getBundle(CommonBundle.class);
/**
* {@inheritDoc}
*/
public Activations parse(XMLStreamReader reader) throws Exception
{
Activations adapters = null;
//iterate over tags
int iterate;
try
{
iterate = reader.nextTag();
}
catch (XMLStreamException e)
{
//founding a non tag..go on. Normally non-tag found at beginning are comments or DTD declaration
iterate = reader.nextTag();
}
switch (iterate)
{
case END_ELEMENT : {
// should mean we're done, so ignore it.
break;
}
case START_ELEMENT : {
switch (reader.getLocalName())
{
case XML.ELEMENT_RESOURCE_ADAPTERS : {
adapters = parseResourceAdapters(reader);
break;
}
default :
throw new ParserException(bundle.unexpectedElement(reader.getLocalName()));
}
break;
}
default :
throw new IllegalStateException();
}
return adapters;
}
/**
* Store a -ra.xml file
* @param metadata The resource adapter definitions
* @param writer The writer
* @exception Exception Thrown if an error occurs
*/
public void store(Activations metadata, XMLStreamWriter writer) throws Exception
{
if (metadata != null && writer != null)
{
writer.writeStartElement(XML.ELEMENT_RESOURCE_ADAPTERS);
for (Activation a : metadata.getActivations())
{
writer.writeStartElement(XML.ELEMENT_RESOURCE_ADAPTER);
if (a.getId() != null)
writer.writeAttribute(XML.ATTRIBUTE_ID, a.getValue(XML.ATTRIBUTE_ID, a.getId()));
writer.writeStartElement(XML.ELEMENT_ARCHIVE);
writer.writeCharacters(a.getValue(XML.ELEMENT_ARCHIVE, a.getArchive()));
writer.writeEndElement();
storeCommon(a, writer);
writer.writeEndElement();
}
writer.writeEndElement();
}
}
private Activations parseResourceAdapters(XMLStreamReader reader) throws XMLStreamException, ParserException,
ValidateException
{
ArrayList<Activation> resourceAdapters = new ArrayList<Activation>();
while (reader.hasNext())
{
switch (reader.nextTag())
{
case END_ELEMENT : {
if (XML.ELEMENT_RESOURCE_ADAPTERS.equals(reader.getLocalName()))
{
resourceAdapters.trimToSize();
return new ActivationsImpl(resourceAdapters);
}
else
{
switch (reader.getLocalName())
{
case XML.ELEMENT_RESOURCE_ADAPTER :
break;
default :
throw new ParserException(bundle.unexpectedEndTag(reader.getLocalName()));
}
}
break;
}
case START_ELEMENT : {
switch (reader.getLocalName())
{
case XML.ELEMENT_RESOURCE_ADAPTER : {
resourceAdapters.add(parseResourceAdapter(reader));
break;
}
default :
throw new ParserException(bundle.unexpectedElement(reader.getLocalName()));
}
break;
}
}
}
throw new ParserException(bundle.unexpectedEndOfDocument());
}
private Activation parseResourceAdapter(XMLStreamReader reader) throws XMLStreamException, ParserException,
ValidateException
{
List<ConnectionDefinition> connectionDefinitions = null;
List<AdminObject> adminObjects = null;
List<String> beanValidationGroups = null;
String bootstrapContext = null;
String id = null;
String archive = null;
TransactionSupportEnum transactionSupport = null;
Map<String, String> configProperties = null;
WorkManager workmanager = null;
Boolean isXA = null;
Map<String, String> expressions = new HashMap<String, String>();
int attributeSize = reader.getAttributeCount();
for (int i = 0; i < attributeSize; i++)
{
switch (reader.getAttributeLocalName(i))
{
case XML.ATTRIBUTE_ID : {
id = attributeAsString(reader, XML.ATTRIBUTE_ID, expressions);
break;
}
default :
throw new ParserException(bundle.unexpectedAttribute(reader.getAttributeLocalName(i),
reader.getLocalName()));
}
}
while (reader.hasNext())
{
switch (reader.nextTag())
{
case END_ELEMENT : {
if (XML.ELEMENT_RESOURCE_ADAPTER.equals(reader.getLocalName()))
{
return new ActivationImpl(id, archive, transactionSupport, connectionDefinitions, adminObjects,
configProperties, beanValidationGroups, bootstrapContext, workmanager,
!expressions.isEmpty() ? expressions : null);
}
else
{
switch (reader.getLocalName())
{
case XML.ELEMENT_ADMIN_OBJECTS :
case XML.ELEMENT_CONNECTION_DEFINITIONS :
case XML.ELEMENT_BEAN_VALIDATION_GROUPS :
case XML.ELEMENT_ADMIN_OBJECT :
case XML.ELEMENT_CONNECTION_DEFINITION :
case XML.ELEMENT_BEAN_VALIDATION_GROUP :
case XML.ELEMENT_BOOTSTRAP_CONTEXT :
case XML.ELEMENT_CONFIG_PROPERTY :
case XML.ELEMENT_TRANSACTION_SUPPORT :
case XML.ELEMENT_ARCHIVE :
case XML.ELEMENT_WORKMANAGER :
break;
default :
throw new ParserException(bundle.unexpectedEndTag(reader.getLocalName()));
}
}
break;
}
case START_ELEMENT : {
switch (reader.getLocalName())
{
case XML.ELEMENT_ADMIN_OBJECTS :
case XML.ELEMENT_CONNECTION_DEFINITIONS :
case XML.ELEMENT_BEAN_VALIDATION_GROUPS : {
//ignore it,we will parse bean-validation-group,admin_object and connection_definition directly
break;
}
case XML.ELEMENT_ADMIN_OBJECT : {
if (adminObjects == null)
adminObjects = new ArrayList<AdminObject>();
adminObjects.add(parseAdminObjects(reader));
break;
}
case XML.ELEMENT_CONNECTION_DEFINITION : {
if (connectionDefinitions == null)
connectionDefinitions = new ArrayList<ConnectionDefinition>();
connectionDefinitions.add(parseConnectionDefinitions(reader, isXA));
break;
}
case XML.ELEMENT_BEAN_VALIDATION_GROUP : {
if (beanValidationGroups == null)
beanValidationGroups = new ArrayList<String>();
beanValidationGroups.add(
elementAsString(reader,
getExpressionKey(XML.ELEMENT_BEAN_VALIDATION_GROUP,
Integer.toString(beanValidationGroups.size())),
expressions));
break;
}
case XML.ELEMENT_BOOTSTRAP_CONTEXT : {
bootstrapContext = elementAsString(reader, XML.ELEMENT_BOOTSTRAP_CONTEXT, expressions);
break;
}
case XML.ELEMENT_CONFIG_PROPERTY : {
if (configProperties == null)
configProperties = new TreeMap<String, String>();
parseConfigProperty(configProperties, reader, XML.ELEMENT_CONFIG_PROPERTY, expressions);
break;
}
case XML.ELEMENT_TRANSACTION_SUPPORT : {
transactionSupport =
TransactionSupportEnum.valueOf(elementAsString(reader, XML.ELEMENT_TRANSACTION_SUPPORT,
expressions));
if (transactionSupport == TransactionSupportEnum.XATransaction)
isXA = Boolean.TRUE;
break;
}
case XML.ELEMENT_ARCHIVE : {
archive = elementAsString(reader, XML.ELEMENT_ARCHIVE, expressions);
break;
}
case XML.ELEMENT_WORKMANAGER : {
workmanager = parseWorkManager(reader);
break;
}
default :
throw new ParserException(bundle.unexpectedElement(reader.getLocalName()));
}
break;
}
}
}
throw new ParserException(bundle.unexpectedEndOfDocument());
}
}