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ST6RI-892 State transition visualization cause null pointer exception (PlantUML) #710

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Merged
seidewitz merged 1 commit into from
Nov 5, 2025
Merged

ST6RI-892 State transition visualization cause null pointer exception (PlantUML) #710

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23 changes: 12 additions & 11 deletions org.omg.sysml.plantuml/src/org/omg/sysml/plantuml/VBehavior.java
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Original file line number Diff line number Diff line change
Expand Up @@ -259,8 +259,9 @@ private String triggerToText(AcceptActionUsage aau) {
StringBuilder sb = new StringBuilder();

Expression payload = aau.getPayloadArgument();
if (payload != null) {
sb.append(getText(payload));
String payloadText = getText(payload);
if (payloadText != null) {
sb.append(payloadText);
} else {
ReferenceUsage ru = aau.getPayloadParameter();
appendNameAndType(sb, ru, "payload");
Expand All @@ -281,31 +282,31 @@ private String convertToDescription(TransitionUsage tu) {

List<AcceptActionUsage> triggerActions = tu.getTriggerAction();
if (!triggerActions.isEmpty()) {
String triggerString = triggerToText(triggerActions.get(0)).trim();
if (!(triggerString.isEmpty())) {
ls.append(triggerString);
String triggerString = triggerToText(triggerActions.get(0));
if (triggerString != null && !(triggerString.isEmpty())) {
ls.append(triggerString.trim());
ls.append(' ');
}
}

List<Expression> guardExpressions = tu.getGuardExpression();
if (!guardExpressions.isEmpty()) {
String guardString = getText(guardExpressions.get(0)).trim();
if (!guardString.isEmpty()) {
String guardString = getText(guardExpressions.get(0));
if (guardString != null && !guardString.isEmpty()) {
ls.fold();
ls.append('[');
ls.append(guardString);
ls.append(guardString.trim());
ls.append(']');
}
}

List<ActionUsage> effectActions = tu.getEffectAction();
if (!effectActions.isEmpty()) {
String effectString = getText(effectActions.get(0)).trim();
if (!effectString.isEmpty()) {
String effectString = getText(effectActions.get(0));
if (effectString != null && !effectString.isEmpty()) {
ls.fold();
ls.append('/');
ls.append(effectString);
ls.append(effectString.trim());
}
}

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