/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.geronimo.connector.deployment.jsr88;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.enterprise.deploy.model.DDBean;
import javax.enterprise.deploy.model.XpathEvent;
import javax.enterprise.deploy.model.XpathListener;
import javax.enterprise.deploy.spi.DConfigBean;
import javax.enterprise.deploy.spi.exceptions.ConfigurationException;
import org.apache.geronimo.deployment.plugin.DConfigBeanSupport;
import org.apache.geronimo.deployment.service.jsr88.EnvironmentData;
import org.apache.geronimo.xbeans.geronimo.GerAdminobjectInstanceType;
import org.apache.geronimo.xbeans.geronimo.GerAdminobjectType;
import org.apache.geronimo.xbeans.geronimo.GerConnectorType;
import org.apache.geronimo.xbeans.geronimo.GerResourceadapterType;
import org.apache.xmlbeans.SchemaTypeLoader;
import org.apache.xmlbeans.XmlCursor;
/**
* Represents /connector in a Geronimo Connector deployment plan.
* Corresponds to /connector in the J2EE deployment plan.
*
* @version $Rev: 393699 $ $Date: 2006-04-13 05:28:38 +0200 (Thu, 13 Apr 2006) $
*/
public class ConnectorDCB extends DConfigBeanSupport {
private DDBean resourceAdapterDDBean;
private ResourceAdapter[] resourceAdapter = new ResourceAdapter[0];
private AdminObjectDCB[] adminobjects = new AdminObjectDCB[0];
private EnvironmentData environment;
public ConnectorDCB(DDBean connectorDDBean, final GerConnectorType connector) {
super(connectorDDBean, connector);
DDBean[] list = connectorDDBean.getChildBean("resourceadapter");
if(list.length > 0) {
resourceAdapterDDBean = list[0];
}
//todo: do something if resourceAdapterDDBean is null
loadExistingData(connector);
// Make sure we're told if /connector/resourceadapter is replaced!
connectorDDBean.addXpathListener("resourceadapter", new XpathListener() {
public void fireXpathEvent(XpathEvent event) {
if(event.isRemoveEvent()) {
resourceAdapterDDBean = null; //todo: all our info was just invalidated
} else if(event.isAddEvent()) {
resourceAdapterDDBean = event.getBean(); //todo: reload defaults from DDBean
} else {
System.out.println("Detected change to J2EE DD /connector/resourceadapter property "+event.getChangeEvent().getPropertyName());
}
}
});
}
public String[] getXpaths() {
return getXPathsForJ2ee_1_4(new String[][]{{"resourceadapter","adminobject",},});
}
public DConfigBean getDConfigBean(DDBean bean) throws ConfigurationException {
if (getXpaths()[0].equals(bean.getXpath())) { // "adminobject"
String aoInterface = bean.getText("adminobject-interface")[0];
String aoClass = bean.getText("adminobject-class")[0];
// Check whether we've seen this one before
for(int i=0; i<adminobjects.length; i++) {
if(adminobjects[i].getAdminObjectClass().equals(aoClass) &&
adminobjects[i].getAdminObjectInterface().equals(aoInterface)) {
return adminobjects[i];
}
}
// Haven't seen it; create a new DConfigBean
GerAdminobjectType ao = getConnector().addNewAdminobject();
AdminObjectDCB dcb = new AdminObjectDCB(bean, ao);
AdminObjectDCB[] list = new AdminObjectDCB[adminobjects.length+1];
System.arraycopy(adminobjects, 0, list, 0, adminobjects.length);
list[adminobjects.length] = dcb;
return dcb;
} else {
throw new ConfigurationException("No DConfigBean matching DDBean "+bean.getXpath());
}
}
private void loadExistingData(GerConnectorType connector) {
//todo: Handle the import children
//todo: Handle the hidden-classes children
//todo: Handle the non-overridable-classes children
// Handle the dependency children
// ArtifactType[] deps = connector.getDependencyArray();
// if(deps != null && deps.length > 0) {
// dependency = new Artifact[deps.length];
// for (int i = 0; i < deps.length; i++) {
// dependency[i] = new Artifact(deps[i]);
// }
// }
// Handle the resource adapter children
GerResourceadapterType[] adapters = connector.getResourceadapterArray();
if(adapters == null || adapters.length == 0) {
// Make sure there's at least one connector/resourceadapter element
if(resourceAdapterDDBean != null) {
resourceAdapter = new ResourceAdapter[1];
resourceAdapter[0] = new ResourceAdapter(resourceAdapterDDBean, connector.addNewResourceadapter());
}
} else {
resourceAdapter = new ResourceAdapter[adapters.length];
for (int i = 0; i < adapters.length; i++) {
GerResourceadapterType adapter = adapters[i];
resourceAdapter[i] = new ResourceAdapter(resourceAdapterDDBean, adapter);
}
}
// Handle the AdminObject children
GerAdminobjectType[] admins = connector.getAdminobjectArray();
DDBean[] data = getDDBean().getChildBean(getXpaths()[0]);
List ddBeans = data == null ? Collections.EMPTY_LIST : new ArrayList(Arrays.asList(data)); // resourceadapter/adminobject
Map dcbs = new LinkedHashMap();
if(admins == null) {
adminobjects = new AdminObjectDCB[0];
} else {
// Match up each Geronimo adminobject with a ra.xml adminobject and create DConfigBeans accordingly
for (int i = 0; i < admins.length; i++) {
GerAdminobjectType admin = admins[i];
String aoClass = admin.getAdminobjectClass();
String aoIface = admin.getAdminobjectInterface();
AdminObjectDCB dcb = (AdminObjectDCB) dcbs.get("class "+aoClass+" iface "+aoIface);
if(dcb != null) {
// this is a second Geronimo adminobject block of the same type; there will not be a matching DDBean any more
// merge the adminobject-instance entries instead!!!
if(admin.getAdminobjectInstanceArray().length > 0) {
GerAdminobjectType old = dcb.getAdminObject();
GerAdminobjectInstanceType[] array = admin.getAdminobjectInstanceArray();
int oldCount = dcb.getAdminObjectInstance().length;
for (int j = 0; j < array.length; j++) {
GerAdminobjectInstanceType instance = array[j];
XmlCursor source = instance.newCursor();
XmlCursor dest = old.newCursor();
dest.toEndToken();
if(!source.moveXml(dest)) {
throw new RuntimeException("Unable to move admin object instance");
}
source.dispose();
dest.dispose();
dcb.addAdminObjectInstance(old.getAdminobjectInstanceArray(oldCount+j));
}
}
continue;
}
DDBean target = null;
for (int j = 0; j < ddBeans.size(); j++) {
DDBean ddBean = (DDBean) ddBeans.get(j);
String ddClass = ddBean.getText("adminobject-class")[0];
String ddIface = ddBean.getText("adminobject-interface")[0];
if(ddClass.equals(aoClass) && ddIface.equals(aoIface)) {
target = ddBean;
ddBeans.remove(j);
break;
}
}
if(target == null) {
System.out.println("Geronimo connector deployment plan has admin object with interface '"+aoIface+"' and class '"+aoClass+"' but the ra.xml does not have a matching adminobject declared. Deleting this adminobject from the Geronimo plan.");
continue;
}
dcb = new AdminObjectDCB(target, admin);
dcbs.put("class "+aoClass+" iface "+aoIface, dcb);
}
}
// There are some admin object types in ra.xml with no matching instances; create DConfigBeans for those
for (int i = 0; i < ddBeans.size(); i++) {
DDBean ddBean = (DDBean) ddBeans.get(i);
String ddClass = ddBean.getText("adminobject-class")[0];
String ddIface = ddBean.getText("adminobject-interface")[0];
GerAdminobjectType admin = connector.addNewAdminobject();
dcbs.put("class "+ddClass+" iface "+ddIface, new AdminObjectDCB(ddBean, admin));
}
List adminResults = new ArrayList();
for (Iterator it = dcbs.keySet().iterator(); it.hasNext();) {
String key = (String) it.next();
DConfigBean value = (DConfigBean) dcbs.get(key);
adminResults.add(value);
}
adminobjects = (AdminObjectDCB[]) adminResults.toArray(new AdminObjectDCB[adminResults.size()]);
//todo: Handle the GBean children
}
GerConnectorType getConnector() {
return (GerConnectorType) getXmlObject();
}
// ----------------------- JavaBean Properties for /connector ----------------------
//todo: the following child elements
// gbean*
public EnvironmentData getEnvironment() {
return environment;
}
public void setEnvironment(EnvironmentData environment) {
EnvironmentData old = this.environment;
this.environment = environment;
if((old == null && environment == null) || (old != null&& old == environment)) {
return;
}
if(old != null) {
getConnector().unsetEnvironment();
}
if(environment != null) {
environment.configure(getConnector().addNewEnvironment());
}
pcs.firePropertyChange("environment", old, environment);
}
public ResourceAdapter[] getResourceAdapter() {
return resourceAdapter;
}
public void setResourceAdapter(ResourceAdapter[] resourceAdapter) {
ResourceAdapter[] old = this.resourceAdapter;
Set before = new HashSet();
for (int i = 0; i < old.length; i++) {
before.add(old[i]);
}
this.resourceAdapter = resourceAdapter;
// Handle current or new resource adapters
for (int i = 0; i < resourceAdapter.length; i++) {
ResourceAdapter adapter = resourceAdapter[i];
if(adapter.getResourceAdapter() == null) {
adapter.configure(resourceAdapterDDBean, getConnector().addNewResourceadapter());
} else {
before.remove(adapter);
}
}
// Handle removed resource adapters
for (Iterator it = before.iterator(); it.hasNext();) {
ResourceAdapter adapter = (ResourceAdapter) it.next();
GerResourceadapterType all[] = getConnector().getResourceadapterArray();
for (int i = 0; i < all.length; i++) {
if(all[i] == adapter) {
getConnector().removeResourceadapter(i);
break;
}
}
}
pcs.firePropertyChange("resourceAdapter", old, resourceAdapter);
}
public ResourceAdapter getResourceAdapter(int index) {
return resourceAdapter[index];
}
public void setResourceAdapter(int index, ResourceAdapter ra) {
ResourceAdapter[] old = this.resourceAdapter;
resourceAdapter[index] = ra;
if(ra.getResourceAdapter() == null) {
ra.configure(resourceAdapterDDBean, getConnector().addNewResourceadapter());
}
pcs.firePropertyChange("resourceAdapter", old, resourceAdapter);
}
// ----------------------- End of JavaBean Properties ----------------------
protected SchemaTypeLoader getSchemaTypeLoader() {
return Connector15DCBRoot.SCHEMA_TYPE_LOADER;
}
}