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JBoss specific integration layer for teiid
/*
* Copyright Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags and
* the COPYRIGHT.txt file distributed with this work.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teiid.jboss;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import javax.xml.stream.XMLStreamException;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.metadata.property.PropertyReplacer;
import org.jboss.metadata.property.PropertyReplacers;
import org.jboss.metadata.property.PropertyResolver;
import org.jboss.msc.service.ServiceController;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.VirtualFileFilter;
import org.teiid.adminapi.VDB.Status;
import org.teiid.adminapi.impl.VDBMetaData;
import org.teiid.adminapi.impl.VDBMetadataParser;
import org.teiid.core.util.ObjectConverterUtil;
import org.teiid.core.util.StringUtil;
import org.teiid.deployers.VDBRepository;
import org.teiid.logging.LogConstants;
import org.teiid.logging.LogManager;
import org.teiid.metadatastore.DeploymentBasedDatabaseStore;
import org.xml.sax.SAXException;
/**
* This file loads the "vdb.xml" file inside a ".vdb" file, along with all the metadata in the .INDEX files
*/
class VDBParserDeployer implements DeploymentUnitProcessor {
private VDBRepository vdbRepo;
public VDBParserDeployer(VDBRepository vdbRepo) {
this.vdbRepo = vdbRepo;
}
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
if (!TeiidAttachments.isVDBDeployment(deploymentUnit)) {
return;
}
VirtualFile file = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
if (TeiidAttachments.isVDBXMLDeployment(deploymentUnit)) {
parseVDBXML(file, deploymentUnit, phaseContext, true);
}
else if (TeiidAttachments.isVDBDDLDeployment(deploymentUnit)) {
parseVDBDDL(file, deploymentUnit, phaseContext, true);
}
else {
// scan for different files
try {
file.getChildrenRecursively(new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
if (file.isDirectory()) {
return false;
}
return false;
}
});
VirtualFile vdbXml = file.getChild("/META-INF/vdb.xml"); //$NON-NLS-1$
VirtualFile vdbDDL = file.getChild("/META-INF/vdb.ddl"); //$NON-NLS-1$
if (!vdbXml.exists() && !vdbDDL.exists()) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Util.gs(IntegrationPlugin.Event.TEIID50101, deploymentUnit));
}
if (vdbXml.exists()) {
parseVDBXML(vdbXml, deploymentUnit, phaseContext, false);
} else {
parseVDBDDL(vdbDDL, deploymentUnit, phaseContext, false);
}
mergeMetaData(deploymentUnit);
} catch (IOException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
}
}
}
private VDBMetaData parseVDBXML(VirtualFile file, DeploymentUnit deploymentUnit,
DeploymentPhaseContext phaseContext, boolean xmlDeployment) throws DeploymentUnitProcessingException {
try {
VDBMetadataParser.validate(file.openStream());
PropertyResolver propertyResolver = deploymentUnit.getAttachment(org.jboss.as.ee.metadata.property.Attachments.FINAL_PROPERTY_RESOLVER);
PropertyReplacer replacer = PropertyReplacers.resolvingReplacer(propertyResolver);
String vdbContents = replacer.replaceProperties(ObjectConverterUtil.convertToString(file.openStream()));
VDBMetaData vdb = VDBMetadataParser.unmarshell(new ByteArrayInputStream(vdbContents.getBytes("UTF-8"))); //$NON-NLS-1$
ServiceController sc = phaseContext.getServiceRegistry().getService(TeiidServiceNames.OBJECT_SERIALIZER);
ObjectSerializer serializer = ObjectSerializer.class.cast(sc.getValue());
if (serializer.buildVdbXml(vdb).exists()) {
vdb = VDBMetadataParser.unmarshell(new FileInputStream(serializer.buildVdbXml(vdb)));
}
vdb.setStatus(Status.LOADING);
if (xmlDeployment) {
vdb.setXmlDeployment(true);
} else {
String name = deploymentUnit.getName();
String fileName = StringUtil.getLastToken(name, "/"); //$NON-NLS-1$
int index = fileName.indexOf('.');
int lastIndex = fileName.lastIndexOf('.');
if (index > 0 && index != lastIndex && fileName.substring(0, index).equals(vdb.getName())) {
vdb.setVersion(name.substring(index+1, lastIndex));
}
}
deploymentUnit.putAttachment(TeiidAttachments.VDB_METADATA, vdb);
LogManager.logDetail(LogConstants.CTX_RUNTIME,"VDB "+file.getName()+" has been parsed."); //$NON-NLS-1$ //$NON-NLS-2$
return vdb;
} catch (XMLStreamException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
} catch (IOException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
} catch (SAXException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
}
}
private VDBMetaData parseVDBDDL(VirtualFile file, DeploymentUnit deploymentUnit,
DeploymentPhaseContext phaseContext, boolean xmlDeployment) throws DeploymentUnitProcessingException {
try {
PropertyReplacer replacer = deploymentUnit.getAttachment(org.jboss.as.ee.metadata.property.Attachments.FINAL_PROPERTY_REPLACER);
String vdbContents = replacer.replaceProperties(ObjectConverterUtil.convertToString(file.openStream()));
ObjectSerializer serializer = ObjectSerializer.class
.cast(phaseContext.getServiceRegistry().getService(TeiidServiceNames.OBJECT_SERIALIZER).getValue());
DeploymentBasedDatabaseStore store = new DeploymentBasedDatabaseStore(vdbRepo);
VDBMetaData vdb = store.getVDBMetadata(vdbContents);
// if there is persisted one, let that be XML version for now.
if (serializer.buildVdbXml(vdb).exists()) {
vdb = VDBMetadataParser.unmarshell(new FileInputStream(serializer.buildVdbXml(vdb)));
}
vdb.setStatus(Status.LOADING);
vdb.setXmlDeployment(xmlDeployment);
deploymentUnit.putAttachment(TeiidAttachments.VDB_METADATA, vdb);
LogManager.logDetail(LogConstants.CTX_RUNTIME,"VDB "+file.getName()+" has been parsed."); //$NON-NLS-1$ //$NON-NLS-2$
return vdb;
} catch (XMLStreamException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
} catch (IOException e) {
throw new DeploymentUnitProcessingException(IntegrationPlugin.Event.TEIID50017.name(), e);
}
}
public void undeploy(final DeploymentUnit context) {
}
protected VDBMetaData mergeMetaData(DeploymentUnit deploymentUnit) {
VDBMetaData vdb = deploymentUnit.getAttachment(TeiidAttachments.VDB_METADATA);
VirtualFile file = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
if (vdb == null) {
LogManager.logError(LogConstants.CTX_RUNTIME, IntegrationPlugin.Util.gs(IntegrationPlugin.Event.TEIID50016,file.getName()));
return null;
}
LogManager.logTrace(LogConstants.CTX_RUNTIME, "VDB", file.getName(), "has been parsed."); //$NON-NLS-1$ //$NON-NLS-2$
return vdb;
}
}
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