/**
*
* Copyright 2005 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 org.apache.geronimo.deployment.plugin.XmlBeanSupport;
import org.apache.geronimo.xbeans.geronimo.GerConfigPropertySettingType;
import org.apache.xmlbeans.XmlObject;
import javax.enterprise.deploy.model.XpathListener;
import javax.enterprise.deploy.model.XpathEvent;
import javax.enterprise.deploy.model.DDBean;
import java.util.List;
import java.util.ArrayList;
import java.util.Set;
import java.util.HashSet;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
/**
* Base class for beans that hold an array of config property settings.
*
* @version $Rev: 409817 $ $Date: 2006-05-27 09:56:38 +0200 (Sat, 27 May 2006) $
*/
public abstract class ConfigHolder extends XmlBeanSupport {
final XpathListener xpathListener = new XpathListener() {
public void fireXpathEvent(XpathEvent event) {
if(event.isAddEvent()) {
//todo: add new config-property-setting, fire change event
} else if(event.isRemoveEvent()) {
//todo: remove config-property-setting, fire change event
} else if(event.isChangeEvent()) {
if(event.getChangeEvent().getPropertyName().equals("config-property-name")) {
String old = (String) event.getChangeEvent().getOldValue();
for (int i = 0; i < settings.length; i++) {
ConfigPropertySetting setting = settings[i];
if(setting.getName().equals(old)) {
setting.setName((String) event.getChangeEvent().getNewValue());
break;
}
}
}
}
}
};
private DDBean ddBean;
private ConfigPropertySetting[] settings = new ConfigPropertySetting[0];
public ConfigHolder() {
super(null);
}
public void clearNullSettings() {
List list = new ArrayList();
Set saved = new HashSet();
for (int i = 0; i < settings.length; i++) {
ConfigPropertySetting setting = settings[i];
if(setting.getValue() != null && !setting.isSetToDefault()) {
list.add(setting);
saved.add(setting.getName());
}
}
settings = (ConfigPropertySetting[]) list.toArray(new ConfigPropertySetting[list.size()]);
GerConfigPropertySettingType[] configs = getConfigProperties();
for (int i = configs.length-1; i>=0; --i) {
GerConfigPropertySettingType type = configs[i];
if(!saved.contains(type.getName())) {
removeConfigProperty(i);
}
}
}
protected void configure(DDBean ddBean, XmlObject xml) {
ConfigPropertySetting[] old = null;
if(this.ddBean != null) {
this.ddBean.removeXpathListener("config-property", xpathListener);
old = settings;
}
this.ddBean = ddBean;
setXmlObject(xml);
// Prepare the ConfigPropertySetting array
List list = new ArrayList();
DDBean[] all = ddBean == null ? new DDBean[0] : ddBean.getChildBean("config-property");
if(all == null) {
all = new DDBean[0];
}
Map byName = new HashMap();
for (int i = 0; i < all.length; i++) {
DDBean item = all[i];
byName.put(item.getText("config-property-name")[0], item);
}
GerConfigPropertySettingType[] previous = getConfigProperties();
for (int i = 0; i < previous.length; i++) {
GerConfigPropertySettingType setting = previous[i];
DDBean item = (DDBean) byName.remove(setting.getName());
if(item != null) {
list.add(new ConfigPropertySetting(item, setting, false));
} else {
System.out.println("Ignoring connectiondefinition-instance/config-setting "+setting.getName()+" (no matching config-property in J2EE DD)");
//todo: delete it from the XMLBeans tree
}
}
for (Iterator it = byName.keySet().iterator(); it.hasNext();) {
String name = (String) it.next();
DDBean bean = (DDBean) byName.get(name);
list.add(new ConfigPropertySetting(bean, createConfigProperty(), true));
}
settings = (ConfigPropertySetting[]) list.toArray(new ConfigPropertySetting[list.size()]);
if(old != null) {
pcs.firePropertyChange("configPropertySetting", old, settings);
}
if(ddBean != null) {
ddBean.addXpathListener("config-property", xpathListener);
}
}
public ConfigPropertySetting[] getConfigPropertySetting() {
return settings;
}
public ConfigPropertySetting getConfigPropertySetting(int index) {
return settings[index];
}
protected abstract GerConfigPropertySettingType createConfigProperty();
protected abstract GerConfigPropertySettingType[] getConfigProperties();
protected abstract void removeConfigProperty(int index);
public abstract void reconfigure();
}