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Add expression support to endpoint definition attributes for handling endpoints in the HTTP connector. #2238

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Add expression support to endpoint definition attributes for handling endpoints in the HTTP connector. #2238

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9f36f1d
add expression for suspend initial duration attribute without create …
chathuranga-jayanath-99 Oct 3, 2024
261b0f4
add expression for suspend maximum duration attribute without set sus…
chathuranga-jayanath-99 Oct 4, 2024
704a8da
add expression for suspend progression factor
chathuranga-jayanath-99 Oct 4, 2024
26ff0b4
add expression for retries on timeout before suspend without set time…
chathuranga-jayanath-99 Oct 4, 2024
64aab6c
add expression for retry duration on timeout
chathuranga-jayanath-99 Oct 4, 2024
1ba5ad2
add tests to check added expressions
chathuranga-jayanath-99 Oct 5, 2024
ea622f3
add expression for timeout action
chathuranga-jayanath-99 Oct 5, 2024
9e371ab
fix expression check pattern
chathuranga-jayanath-99 Oct 5, 2024
7178623
add expression for suspend error codes without setSuspendStateProperties
chathuranga-jayanath-99 Oct 7, 2024
67e5592
add expression for timeout error codes without setTimeoutStateProperties
chathuranga-jayanath-99 Oct 7, 2024
65fd4d2
add tests for error codes
chathuranga-jayanath-99 Oct 7, 2024
e19e5d4
parse message context for createJsonRepresentation
chathuranga-jayanath-99 Oct 8, 2024
81b9899
handle timeout action value "never"
chathuranga-jayanath-99 Nov 25, 2024
e27203b
remove log warns where unnecessary
chathuranga-jayanath-99 Nov 25, 2024
2a5cb16
add new tests handling value not defined scenarios
chathuranga-jayanath-99 Nov 25, 2024
5d0d62f
Merge branch 'refs/heads/add-expression' into integrate-new-expressions
chathuranga-jayanath-99 Nov 25, 2024
1b00df2
remove handling timeout action value "never"
chathuranga-jayanath-99 Nov 26, 2024
2df1a58
add synapse expression support
chathuranga-jayanath-99 Nov 26, 2024
3c782b1
Revert "parse message context for createJsonRepresentation"
chathuranga-jayanath-99 Nov 28, 2024
4a99054
introduce value to handle endpoint definition attributes
chathuranga-jayanath-99 Nov 28, 2024
4383df8
add 'never' as default value of timeoutAction
chathuranga-jayanath-99 Dec 6, 2024
80a2d64
change delimiter ", " to ","
chathuranga-jayanath-99 Dec 6, 2024
b1367aa
add tests to check endpoint definition
chathuranga-jayanath-99 Dec 7, 2024
9d29be9
address reviewed changes
chathuranga-jayanath-99 Dec 8, 2024
c88988f
add serializer tests
chathuranga-jayanath-99 Dec 8, 2024
68cf96d
add method overload for onSuccess, onFault, onTimeout
chathuranga-jayanath-99 Dec 9, 2024
213b9ec
update print endpoint address
chathuranga-jayanath-99 Dec 9, 2024
e79f395
address reviewed changes
chathuranga-jayanath-99 Dec 10, 2024
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112 changes: 64 additions & 48 deletions ...core/src/main/java/org/apache/synapse/config/xml/endpoints/EndpointDefinitionFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,10 @@
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.SynapseException;
import org.apache.synapse.aspects.AspectConfiguration;
import org.apache.synapse.config.xml.ValueFactory;
import org.apache.synapse.config.xml.XMLConfigConstants;
import org.apache.synapse.endpoints.EndpointDefinition;
import org.apache.synapse.mediators.Value;
import org.apache.synapse.util.xpath.SynapseXPath;
import org.jaxen.JaxenException;

Expand All @@ -46,6 +48,7 @@ public class EndpointDefinitionFactory implements DefinitionFactory{
*/
public EndpointDefinition createDefinition(OMElement elem) {
EndpointDefinition definition = new EndpointDefinition();
ValueFactory valueFactory = new ValueFactory();

OMAttribute optimize
= elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "optimize"));
Expand Down Expand Up @@ -159,36 +162,27 @@ public EndpointDefinition createDefinition(OMElement elem) {
String d = duration.getText();
if (d != null) {
try {
Pattern pattern = Pattern.compile("\\{.*\\}");
if (pattern.matcher(d).matches()) {
d = d.trim().substring(1, d.length() - 1);
SynapseXPath xpath = new SynapseXPath(d);
definition.setDynamicTimeoutExpression(xpath);
} else {
long timeoutMilliSeconds = Long.parseLong(d.trim());
definition.setTimeoutDuration(timeoutMilliSeconds);
Value timeoutDurationValue = valueFactory.createTextValue(duration);
if (timeoutDurationValue.getKeyValue() != null) {
Long.parseLong(timeoutDurationValue.getKeyValue());
}
definition.setTimeoutDuration(valueFactory.createTextValue(duration));
} catch (NumberFormatException e) {
handleException("Endpoint timeout duration expected as a " +
"number but was not a number");
} catch (JaxenException e) {
handleException("Couldn't assign dynamic endpoint timeout as Synapse expression");
}
}
}

OMElement action = timeout.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "responseAction"));
if (action != null && action.getText() != null) {
String actionString = action.getText();
if ("discard".equalsIgnoreCase(actionString.trim())) {
definition.setTimeoutAction(SynapseConstants.DISCARD);
} else if ("fault".equalsIgnoreCase(actionString.trim())) {
definition.setTimeoutAction(SynapseConstants.DISCARD_AND_FAULT);
} else {
handleException("Invalid timeout action, action : "
+ actionString + " is not supported");
Value timeoutActionValue = valueFactory.createTextValue(action);

if (timeoutActionValue.getKeyValue() != null && !timeoutActionValue.getKeyValue().equals("discard") && !timeoutActionValue.getKeyValue().equals("fault")) {
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handleException("Invalid timeout action, action : " + timeoutActionValue.getKeyValue() + " is not supported");
}
definition.setTimeoutAction(timeoutActionValue);
}
}

Expand All @@ -202,25 +196,32 @@ public EndpointDefinition createDefinition(OMElement elem) {
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.ERROR_CODES));
if (timeoutCodes != null && timeoutCodes.getText() != null) {
StringTokenizer st = new StringTokenizer(timeoutCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addTimeoutErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The timeout error codes should be specified " +
"as valid numbers separated by commas : " + timeoutCodes.getText(), e);
Value timeoutErrorCodesValue = valueFactory.createTextValue(timeoutCodes);
if (timeoutErrorCodesValue.getKeyValue() != null) {
StringTokenizer st = new StringTokenizer(timeoutCodes.getText().trim(), ", ");
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while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
Integer.parseInt(s);
} catch (NumberFormatException e) {
handleException("The timeout error codes should be specified " +
"as valid numbers separated by commas : " + timeoutCodes.getText(), e);
}
}
}
definition.setTimeoutErrorCodes(timeoutErrorCodesValue);
}

OMElement retriesBeforeSuspend = markAsTimedOut.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.RETRIES_BEFORE_SUSPENSION));
if (retriesBeforeSuspend != null && retriesBeforeSuspend.getText() != null) {
try {
definition.setRetriesOnTimeoutBeforeSuspend(
Integer.parseInt(retriesBeforeSuspend.getText().trim()));
Value retriesBeforeSuspendValue = valueFactory.createTextValue(retriesBeforeSuspend);
if (retriesBeforeSuspendValue.getKeyValue() != null) {
Integer.parseInt(retriesBeforeSuspendValue.getKeyValue());
}
definition.setRetriesOnTimeoutBeforeSuspend(retriesBeforeSuspendValue);
} catch (NumberFormatException e) {
handleException("The retries before suspend [for timeouts] should be " +
"specified as a valid number : " + retriesBeforeSuspend.getText(), e);
Expand All @@ -232,8 +233,11 @@ public EndpointDefinition createDefinition(OMElement elem) {
XMLConfigConstants.RETRY_DELAY));
if (retryDelay != null && retryDelay.getText() != null) {
try {
definition.setRetryDurationOnTimeout(
Integer.parseInt(retryDelay.getText().trim()));
Value retryDelayValue = valueFactory.createTextValue(retryDelay);
if (retryDelayValue.getKeyValue() != null) {
Integer.parseInt(retryDelayValue.getKeyValue());
}
definition.setRetryDurationOnTimeout(valueFactory.createTextValue(retryDelay));
} catch (NumberFormatException e) {
handleException("The retry delay for timeouts should be specified " +
"as a valid number : " + retryDelay.getText(), e);
Expand All @@ -248,9 +252,9 @@ public EndpointDefinition createDefinition(OMElement elem) {

log.warn("Configuration uses deprecated style for endpoint 'suspendDurationOnFailure'");
try {
definition.setInitialSuspendDuration(
1000 * Long.parseLong(suspendDurationOnFailure.getText().trim()));
definition.setSuspendProgressionFactor((float) 1.0);
long suspendDurationValue = 1000 * Long.parseLong(suspendDurationOnFailure.getText().trim());
definition.setInitialSuspendDuration(new Value(String.valueOf(suspendDurationValue)));
definition.setSuspendProgressionFactor(new Value(String.valueOf((float) 1.0)));
} catch (NumberFormatException e) {
handleException("The initial suspend duration should be specified " +
"as a valid number : " + suspendDurationOnFailure.getText(), e);
Expand All @@ -267,26 +271,32 @@ public EndpointDefinition createDefinition(OMElement elem) {
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.ERROR_CODES));
if (suspendCodes != null && suspendCodes.getText() != null) {

StringTokenizer st = new StringTokenizer(suspendCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addSuspendErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The suspend error codes should be specified " +
"as valid numbers separated by commas : " + suspendCodes.getText(), e);
Value suspendErrorCodesValue = valueFactory.createTextValue(suspendCodes);
if (suspendErrorCodesValue.getKeyValue() != null) {
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StringTokenizer st = new StringTokenizer(suspendCodes.getText().trim(), ", ");
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while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
Integer.parseInt(s);
} catch (NumberFormatException e) {
handleException("The suspend error codes should be specified " +
"as valid numbers separated by commas : " + suspendCodes.getText(), e);
}
}
}
definition.setSuspendErrorCodes(valueFactory.createTextValue(suspendCodes));
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}

OMElement initialDuration = suspendOnFailure.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.SUSPEND_INITIAL_DURATION));
if (initialDuration != null && initialDuration.getText() != null) {
try {
definition.setInitialSuspendDuration(
Integer.parseInt(initialDuration.getText().trim()));
Value initialSuspendDurationValue = valueFactory.createTextValue(initialDuration);
if (initialSuspendDurationValue.getKeyValue() != null) {
Integer.parseInt(initialSuspendDurationValue.getKeyValue());
}
definition.setInitialSuspendDuration(initialSuspendDurationValue);
} catch (NumberFormatException e) {
handleException("The initial suspend duration should be specified " +
"as a valid number : " + initialDuration.getText(), e);
Expand All @@ -298,8 +308,11 @@ public EndpointDefinition createDefinition(OMElement elem) {
XMLConfigConstants.SUSPEND_PROGRESSION_FACTOR));
if (progressionFactor != null && progressionFactor.getText() != null) {
try {
definition.setSuspendProgressionFactor(
Float.parseFloat(progressionFactor.getText().trim()));
Value progressionFactorValue = valueFactory.createTextValue(progressionFactor);
if (progressionFactorValue.getKeyValue() != null) {
Float.parseFloat(progressionFactorValue.getKeyValue());
}
definition.setSuspendProgressionFactor(progressionFactorValue);
} catch (NumberFormatException e) {
handleException("The suspend duration progression factor should be specified " +
"as a valid float : " + progressionFactor.getText(), e);
Expand All @@ -311,8 +324,11 @@ public EndpointDefinition createDefinition(OMElement elem) {
XMLConfigConstants.SUSPEND_MAXIMUM_DURATION));
if (maximumDuration != null && maximumDuration.getText() != null) {
try {
definition.setSuspendMaximumDuration(
Long.parseLong(maximumDuration.getText().trim()));
Value suspendMaximumDurationValue = valueFactory.createTextValue(maximumDuration);
if (suspendMaximumDurationValue.getKeyValue() != null) {
Long.parseLong(suspendMaximumDurationValue.getKeyValue());
}
definition.setSuspendMaximumDuration(suspendMaximumDurationValue);
} catch (NumberFormatException e) {
handleException("The maximum suspend duration should be specified " +
"as a valid number : " + maximumDuration.getText(), e);
Expand Down
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