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package com.sun.enterprise.connectors.util;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.config.serverbeans.ElementProperty;
import com.sun.enterprise.connectors.*;
import com.sun.enterprise.util.*;
import com.sun.logging.LogDomains;
import java.util.logging.*;
import java.util.*;
import java.lang.*;
import java.lang.reflect.*;
import java.io.IOException;
import org.xml.sax.SAXParseException;
/**
* This is message listener configuration parser. It parses the
* ra.xml file for the message listener specific configurations
* like activationSpec javabean properties, message listener types .
*
* @author Srikanth P
*
*/
public class MessageListenerConfigParserImpl implements
MessageListenerConfigParser {
static Logger _logger = LogDomains.getLogger(LogDomains.RSR_LOGGER);
/**
* Default constructor.
*
*/
public MessageListenerConfigParserImpl() {
}
/**
* Return the ActivationSpecClass name for given rar and messageListenerType
* @param desc ConnectorDescriptor pertaining to rar.
* @param messageListenerType MessageListener type
* @throws ConnectorRuntimeException If moduleDir is null.
* If corresponding rar is not deployed.
*/
public String getActivationSpecClass( ConnectorDescriptor desc,
String messageListenerType) throws ConnectorRuntimeException
{
if(desc == null) {
throw new ConnectorRuntimeException("Invalid arguments");
}
MessageListener messageListeners[] =
ddTransformUtil.getMessageListeners(desc);
if(messageListeners != null) {
for(int i=0;i<messageListeners.length;++i) {
if(messageListenerType.equals(
messageListeners[i].getMessageListenerType())){
return messageListeners[i].getActivationSpecClass();
}
}
}
return null;
}
/* Parses the ra.xml and returns all the Message listener types.
*
* @param desc ConnectorDescriptor pertaining to rar.
* @return Array of message listener types as strings.
* @throws ConnectorRuntimeException If moduleDir is null.
* If corresponding rar is not deployed.
*
*/
public String[] getMessageListenerTypes(ConnectorDescriptor desc)
throws ConnectorRuntimeException
{
if(desc == null) {
throw new ConnectorRuntimeException("Invalid arguments");
}
MessageListener messageListeners[] =
ddTransformUtil.getMessageListeners(desc);
String[] messageListenerTypes = null;
if(messageListeners != null) {
messageListenerTypes = new String[messageListeners.length];
for(int i=0;i<messageListeners.length;++i) {
messageListenerTypes[i] =
messageListeners[i].getMessageListenerType();
}
}
return messageListenerTypes;
}
/** Parses the ra.xml for the ActivationSpec javabean
* properties. The ActivationSpec to be parsed is
* identified by the moduleDir where ra.xml is present and the
* message listener type.
*
* message listener type will be unique in a given ra.xml.
*
* It throws ConnectorRuntimeException if either or both the
* parameters are null, if corresponding rar is not deployed,
* if message listener type mentioned as parameter is not found in ra.xml.
* If rar is deployed and message listener (type mentioned) is present
* but no properties are present for the corresponding message listener,
* null is returned.
*
* @param desc ConnectorDescriptor pertaining to rar.
* @param messageListenerType message listener type.It is uniqie
* across all <messagelistener> sub-elements in <messageadapter>
* element in a given rar.
* @return Javabean properties with the property names and values
* of properties. The property values will be the values
* mentioned in ra.xml if present. Otherwise it will be the
* default values obtained by introspecting the javabean.
* In both the case if no value is present, empty String is
* returned as the value.
* @throws ConnectorRuntimeException if either of the parameters are null.
* If corresponding rar is not deployed i.e moduleDir is invalid.
* If messagelistener type is not found in ra.xml
*/
public Properties getJavaBeanProps(ConnectorDescriptor desc,
String messageListenerType, String rarName) throws ConnectorRuntimeException
{
if(desc == null || messageListenerType == null) {
throw new ConnectorRuntimeException("Invalid arguments");
}
MessageListener allMessageListeners[] =
ddTransformUtil.getMessageListeners(desc);
MessageListener messageListener = null;
for(int i=0;i<allMessageListeners.length;++i) {
if(messageListenerType.equals(
allMessageListeners[i].getMessageListenerType())) {
messageListener = allMessageListeners[i];
}
}
if(messageListener == null) {
_logger.log(Level.FINE,
"No such MessageListener found in ra.xml",
messageListenerType);
throw new ConnectorRuntimeException(
"No such MessageListener found in ra.xml : " +
messageListenerType);
}
/* ddVals -> Properties present in ra.xml
* introspectedVals -> All properties with values
* obtained by introspection of resource
* adapter javabean
* mergedVals -> merged props of raConfigPros and
* allraConfigPropsWithDefVals
*/
Properties mergedVals = null;
Set ddVals = messageListener.getConfigProperties();
String className = messageListener.getActivationSpecClass();
if(className != null && className.length() != 0) {
Properties introspectedVals = configParserUtil.introspectJavaBean(
className,ddVals);
mergedVals = configParserUtil.mergeProps(ddVals,introspectedVals);
}
return mergedVals;
}
/** Returns the Properties object consisting of propertyname as the
* key and datatype as the value.
* @param moduleDir The directory where rar is exploded.
* @param messageListenerType message listener type.It is uniqie
* across all <messagelistener> sub-elements in <messageadapter>
* element in a given rar.
* @return Properties object with the property names(key) and datatype
* of property(as value).
* @throws ConnectorRuntimeException if either of the parameters are null.
* If corresponding rar is not deployed i.e moduleDir is invalid.
* If messagelistener type is not found in ra.xml
*/
public Properties getJavaBeanReturnTypes(ConnectorDescriptor desc,
String messageListenerType) throws ConnectorRuntimeException
{
if(desc == null || messageListenerType == null) {
throw new ConnectorRuntimeException("Invalid arguments");
}
MessageListener allMessageListeners[] =
ddTransformUtil.getMessageListeners(desc);
MessageListener messageListener = null;
for(int i=0;i<allMessageListeners.length;++i) {
if(messageListenerType.equals(
allMessageListeners[i].getMessageListenerType())) {
messageListener = allMessageListeners[i];
}
}
if(messageListener == null) {
_logger.log(Level.FINE,
"No such MessageListener found in ra.xml",
messageListenerType);
throw new ConnectorRuntimeException(
"No such MessageListener found in ra.xml : " +
messageListenerType);
}
/* ddVals -> Properties present in ra.xml
* introspectedVals -> All properties with values
* obtained by introspection of resource
* adapter javabean
* mergedVals -> merged props of raConfigPros and
* allraConfigPropsWithDefVals
*/
Properties mergedVals = null;
Set ddVals = messageListener.getConfigProperties();
String className = messageListener.getActivationSpecClass();
if(className != null && className.length() != 0) {
Properties introspectedVals =
configParserUtil.introspectJavaBeanReturnTypes(className,ddVals);
mergedVals = configParserUtil.mergePropsReturnTypes(
ddVals,introspectedVals);
}
return mergedVals;
}
}
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