/**
* Initializes this object.
*
* @param key Property-key to use for locating initialization properties.
* @param type Property-type to use for locating initialization properties.
* @exception ProcessingException when initialization fails
*/
public void initialize(String key, String type) throws ProcessingException {
super.initialize(key, type);
StringBuffer errorBuf = new StringBuffer();
// serverName = getRequiredProperty(SERVER_NAME_PROP, errorBuf);
headerLocation = getPropertyValue(NF_HEADER_LOCATION_PROP);
isAsyncLocation = getPropertyValue(IS_ASYNCHRONOUS_LOCATION_PROP);
orbAgentAddr = getPropertyValue(ORB_AGENT_ADDR_PROP);
orbAgentPort = getPropertyValue(ORB_AGENT_PORT_PROP);
orbAgentAddrLocation = getPropertyValue(ORB_AGENT_ADDR_PROP_LOCATION);
orbAgentPortLocation = getPropertyValue(ORB_AGENT_PORT_PROP_LOCATION);
if (!StringUtils.hasValue(isAsyncLocation)) {
try {
isAsync =
StringUtils.getBoolean(
(String) getRequiredPropertyValue(DEFAULT_IS_ASYNCHRONOUS_PROP, errorBuf));
} catch (FrameworkException fe) {
errorBuf.append(
"No value is specified for either "
+ IS_ASYNCHRONOUS_LOCATION_PROP
+ "or"
+ DEFAULT_IS_ASYNCHRONOUS_PROP
+ ". One of the values should be present"
+ fe.getMessage());
}
}
if (!StringUtils.hasValue(headerLocation)) {
try {
header = getRequiredPropertyValue(DEFAULT_HEADER_PROP, errorBuf);
} catch (Exception e) {
errorBuf.append(
"No value is specified for "
+ NF_HEADER_LOCATION_PROP
+ "or"
+ DEFAULT_HEADER_PROP
+ ". One of the values should be present"
+ e.getMessage());
}
}
if (errorBuf.length() > 0) throw new ProcessingException(errorBuf.toString());
}
/**
* This function substitues ALL the occurence of the pattern in the input with the replacement
* passed in. The substitution is done only in the range bound by the begin token and the end
* token.
*
* @param pattern pattern string to match
* @param input input string
* @param replacement replacement string to replace with
* @param beginToken begin boundary token
* @param endToken end boundary token
* @param beginTokens[] an array of beginTokens - this is used for negative look ahead where there
* are other begin tokens to be recognized.
* @return returns processed string if both beginToken and the endToken are successfully found,
* returns the unproessed original input otherwise.
* @exception throws a FrameworkException when either pattern/input/replacement is null.
*/
public static String replaceAll(
String pattern,
String input,
String replacement,
String beginToken,
String endToken,
String beginTokens[])
throws FrameworkException {
if ((pattern == null) || (replacement == null) || (input == null)) {
Debug.log(
Debug.ALL_ERRORS,
"RegexUtils: replaceAll(): pattern or replacement or input is null. "
+ "\npattern = "
+ pattern
+ "\ninput = "
+ input
+ "\nreplacement = "
+ replacement);
throw new FrameworkException(
"RegexUtils: replaceAll(): pattern or replacement or input is null.");
}
Perl5Util util = new Perl5Util();
StringBuffer resultBuffer = new StringBuffer();
if ((beginToken == null) || (endToken == null)) {
// either beginToken or endToken cannot be null, however both can be null.
throw new FrameworkException(
"RegexUtils: replaceAll(): Either begin or end token is null. BeginToken = "
+ beginToken
+ ", "
+ "endToken = "
+ endToken);
} else // do pattern match
{
// making the Perl5 regular expression format pattern
String begin = makePerl5MatchPattern(beginToken);
String end = makePerl5MatchPattern(endToken);
boolean beginTokenMatch = true;
// if begin token found
while (beginTokenMatch) {
// check the input for each iteration. when there is no input, break out of the loop.
if (input == null) break;
beginTokenMatch = util.match(begin, input);
if (beginTokenMatch) {
String negativeLookAheadPattern =
makePerl5MatchPatternNegativeLookAhead(pattern, replacement);
int beginOffsetForBeginToken = util.beginOffset(0);
int endOffsetForBeginToken = util.endOffset(0);
// the input after the begin token
String subInput = input.substring(endOffsetForBeginToken);
// if end token passed in was an empty string
if (endToken.equals("")) {
String result = null;
try {
result = replaceAllWithBeginToken(pattern, input, replacement, beginToken);
} catch (FrameworkException e) {
Debug.log(Debug.ALL_ERRORS, "RegexUtils: replaceAll() failed." + e.getMessage());
}
return result;
} else if (util.match(end, subInput)) // endToken found
{
// begin offset for the end token relative to the input not subInput
int beginOffsetForEndToken = endOffsetForBeginToken + util.beginOffset(0);
int endOffsetForEndToken = endOffsetForBeginToken + util.endOffset(0);
// pre is the string before the beginToken and the beginToken
String pre = input.substring(0, endOffsetForBeginToken);
resultBuffer.append(pre);
// current is the string between the beginToken and the endToken
String current = input.substring(endOffsetForBeginToken, beginOffsetForEndToken);
// theRest is the rest of the input string after the endToken
String theRest = input.substring(endOffsetForEndToken);
// current is the string between begin token and the endtoken
current = skipOrphanedBeginToken(begin, current, resultBuffer);
if (isOtherBeginTokenThere(beginToken, current, beginTokens) == false) {
current = replaceAll(pattern, current, replacement);
} // isOtherBeginTokenThere
resultBuffer.append(current);
resultBuffer.append(input.substring(beginOffsetForEndToken, endOffsetForEndToken));
input = theRest;
} else // endToken not found
{
resultBuffer.append(input);
break;
}
} // if beginToken found
else // beginToken not found
{
resultBuffer.append(input);
break;
}
} // while begin token found
} // else do pattern match
return resultBuffer.toString();
}
/**
* If NF_HEADER_LOCATION_PROP exists in context use as the header to forward to Gateway. If
* IS_ASYNCHRONOUS_PROP exists in context then use that value to call either processAsync or
* processSync
*
* @param input MessageObject containing the value to be processed *
* @param mpcontext The context
* @return Optional NVPair containing a Destination name and a MessageObject, or null if none.
* @exception ProcessingException Thrown if processing fails.
* @exception MessageException Thrown if bad message.
*/
public NVPair[] process(MessageProcessorContext ctx, MessageObject input)
throws MessageException, ProcessingException {
if (input == null) return null;
try {
serverName = getRequiredProperty(ctx, input, SERVER_NAME_PROP);
} catch (MessageException me) {
throw new ProcessingException(me.getMessage());
}
if (StringUtils.hasValue(headerLocation)) {
try {
header = getString(headerLocation, ctx, input);
} catch (MessageException me) {
throw new ProcessingException(me.getMessage());
}
}
if (StringUtils.hasValue(isAsyncLocation)) {
try {
isAsync = StringUtils.getBoolean(getString(isAsyncLocation, ctx, input));
} catch (FrameworkException fe) {
throw new ProcessingException(
"Value of " + IS_ASYNCHRONOUS_LOCATION_PROP + " is not TRUE/FALSE. " + fe.getMessage());
}
}
// Fetch the alternate Orb Address, if one exists at the specified context location
if (StringUtils.hasValue(orbAgentAddrLocation)) {
try {
if (exists(orbAgentAddrLocation, ctx, input, true)) {
orbAgentAddr = getString(orbAgentAddrLocation, ctx, input);
if (Debug.isLevelEnabled(Debug.MSG_STATUS))
Debug.log(
Debug.MSG_STATUS,
"RequestHandlerClient:: alternate orb exists with orb agent address ["
+ orbAgentAddr
+ "]");
}
} catch (MessageException me) {
throw new ProcessingException(me.getMessage());
}
}
// Fetch the alternate Orb Port, if one exists at the specified context location
if (StringUtils.hasValue(orbAgentPortLocation)) {
try {
if (exists(orbAgentPortLocation, ctx, input, true)) {
orbAgentPort = getString(orbAgentPortLocation, ctx, input);
if (Debug.isLevelEnabled(Debug.MSG_STATUS))
Debug.log(
Debug.MSG_STATUS,
"RequestHandlerClient:: alternate orb exists with orb agent port ["
+ orbAgentPort
+ "]");
}
} catch (MessageException me) {
throw new ProcessingException(me.getMessage());
}
}
String msg = input.getString();
try {
try {
return (formatNVPair(makeClientCall(serverName, false, header, msg)));
} catch (Exception e) {
// Any of the following exceptions indicate that the failure might be due to
// a CORBA communications issue (stale object reference) that should be retried.
if ((e instanceof org.omg.CORBA.OBJECT_NOT_EXIST)
|| (e instanceof org.omg.CORBA.TRANSIENT)
|| (e instanceof org.omg.CORBA.COMM_FAILURE)
|| (e instanceof org.omg.CORBA.INV_OBJREF)
|| (e instanceof org.omg.CORBA.UNKNOWN)) {
Debug.warning(
"Caught the following CORBA communication error, so retrying:\n"
+ e.toString()
+ "\n"
+ Debug.getStackTrace(e));
return (formatNVPair(makeClientCall(serverName, true, header, msg)));
} else {
// It's not a communication exception indicating that retry is recommended,
// so just re-throw it.
throw e;
}
}
} catch (Exception e) {
if (e instanceof InvalidDataException) {
Debug.error(e.toString() + "\n" + Debug.getStackTrace(e));
throw new MessageException(((InvalidDataException) e).errorMessage);
} else {
Debug.error(e.toString() + "\n" + Debug.getStackTrace(e));
throw new ProcessingException(e.toString());
}
}
}