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package com.sun.enterprise.admin.wsmgmt.msg;
import java.util.Map;
import java.util.List;
import java.util.Hashtable;
import java.util.Collection;
import java.util.ArrayList;
import java.util.Iterator;
import com.sun.enterprise.admin.wsmgmt.config.spi.ConfigFactory;
import com.sun.enterprise.admin.wsmgmt.config.spi.ConfigProvider;
import com.sun.appserv.management.ext.wsmgmt.MessageTrace;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.enterprise.util.i18n.StringManager;
/**
* Backend facade for the SOAP message visualization.
*/
public class MessageTraceMgr {
/**
* Returns the singleton instance of this class.
*
* @return singleton instance of this class
*/
public static MessageTraceMgr getInstance() {
return _instance;
}
/**
* Private constructor.
*/
private MessageTraceMgr() {
_applications = new Hashtable();
}
/**
* Initializes the message visualization service.
*/
public void init() {
try {
ConfigFactory cf = ConfigFactory.getConfigFactory();
ConfigProvider cp = cf.getConfigProvider();
List list = cp.getManagedWebserviceApplicationIds();
for (Iterator iter=list.iterator(); iter.hasNext();) {
String appId = (String) iter.next();
try {
ApplicationMediator am = new ApplicationMediator(appId);
_applications.put(appId, am);
} catch (MessageTraceException me) {
String msg="Initialization error for application: " + appId;
_logger.log(Level.FINE, msg, me);
}
}
} catch (Exception e) {
String msg="Configuration initialization error.";
_logger.log(Level.FINE, msg, e);
}
}
/**
* Disables message trace for the given web service endpoint. This
* method is called to dynamically reconfigure the size.
*
* @param appId name of the application
* @param endpoint partially qualified endpoint name
*
* @throws MessageTraceException if application id is invalid
*/
public void disable(String appId, String endpoint)
throws MessageTraceException {
ApplicationMediator am = (ApplicationMediator) _applications.get(appId);
if (am != null) {
am.disable(endpoint);
if (am.isEmpty()) {
_applications.remove(appId);
}
} else {
String msg = _stringMgr.getString("MessageTraceMgr_InvalidAppEx",
appId, endpoint);
throw new MessageTraceException(msg);
}
}
/**
* Enables message visualization for the given webservice endpoint.
*
* @param appId name of the application
* @param endpoint partially qualified endpoint name
* @param size max size of messages in history
*
* @throws MessageTraceException if a configuration initialization exception
*/
public void enable(String appId, String endpoint, int size)
throws MessageTraceException {
ApplicationMediator am = (ApplicationMediator) _applications.get(appId);
if (am != null) {
am.enable(endpoint, size);
} else {
am = new ApplicationMediator(appId);
am.enable(endpoint, size);
_applications.put(appId, am);
}
}
/**
* Sets the number of messages stored in memory. This method is
* called to dynamically reconfigure the size.
*
* @param appId name of the application
* @param endpoint partially qualified endpoint name
* @param size number of message stored in memory
*
* @throws MessageTraceException if an invalid application id
*/
public void setMessageHistorySize(String appId, String endpoint, int size)
throws MessageTraceException {
ApplicationMediator am = (ApplicationMediator) _applications.get(appId);
if (am != null) {
am.setMessageHistorySize(endpoint, size);
} else {
String msg = _stringMgr.getString("MessageTraceMgr_InvalidAppEx",
appId, endpoint);
throw new MessageTraceException(msg);
}
}
/**
* Shuts down message visualization.
*/
public void stop() {
Collection mediators = _applications.values();
for (Iterator itr=mediators.iterator(); itr.hasNext();) {
ApplicationMediator am = (ApplicationMediator) itr.next();
am.destroy();
}
_applications.clear();
}
/**
* Returns the available messages.
*
* @return array of message trace objects currently available
*/
public MessageTrace[] getMessages() {
Collection c = new ArrayList();
Collection mediators = _applications.values();
for (Iterator itr=mediators.iterator(); itr.hasNext();) {
ApplicationMediator am = (ApplicationMediator) itr.next();
c.addAll( am.getMessages() );
}
MessageTrace[] trace = new MessageTrace[c.size()];
return ((MessageTrace[]) c.toArray(trace));
}
/**
* Returns messages for a web service endpoint.
*
* @param appId name of the application
* @param endpoint partially qualified endpoint name
*
* @return messages for the given endpoint
*/
public MessageTrace[] getMessages(String appId, String endpoint) {
Collection c = null;
ApplicationMediator am = (ApplicationMediator) _applications.get(appId);
if (am != null) {
c = am.getMessages(endpoint);
}
MessageTrace[] trace = null;
if ( c != null) {
trace = new MessageTrace[c.size()];
return ((MessageTrace[]) c.toArray(trace));
} else {
return null;
}
}
// ---- VARIABLES - PRIVATE ---------------------------------------
private Map _applications = null;
private static final MessageTraceMgr _instance = new MessageTraceMgr();
private static final Logger _logger =
Logger.getLogger(LogDomains.ADMIN_LOGGER);
private static final StringManager _stringMgr =
StringManager.getManager(MessageTraceMgr.class);
}