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added manual expression detection

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This commit is contained in:
Brian Long
2025-02-19 11:59:01 -05:00
parent cc14a59959
commit 41b5271617
1 changed files with 46 additions and 10 deletions
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56
src/main/java/com/inteligr8/activiti/mq/MqServiceTask.java
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@@ -70,26 +70,62 @@ public class MqServiceTask {
@SuppressWarnings("unchecked")
protected <T> T getFieldValueFromModel(String fieldName, Class<T> type, VariableScope varscope, boolean forceExpressionProcessing) {
Object value = this.getFieldValueFromModel(fieldName, varscope, forceExpressionProcessing);
if (value == null) {
return null;
} else if (String.class.isAssignableFrom(type)) {
if (value instanceof String) {
return (T) value;
} else {
return (T) value.toString();
}
} else {
try {
Method method = type.getMethod("valueOf", value.getClass());
return (T) method.invoke(null, value);
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
String strvalue;
if (value instanceof String) {
strvalue = (String) value;
} else {
strvalue = value.toString();
}
try {
Method method = type.getMethod("valueOf", String.class);
return (T) method.invoke(null, strvalue);
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e2) {
throw new IllegalArgumentException("The target type '" + type + "' has no 'valueOf' method for String or type: " + value.getClass());
}
}
}
}
protected Object getFieldValueFromModel(String fieldName, VariableScope varscope, boolean forceExpressionProcessing) {
FieldExtension field = this.fieldMap.get(fieldName);
if (field == null) {
return null;
} else if (field.getExpression() != null && field.getExpression().length() > 0) {
this.logger.trace("Field value is recognized as an expression by the Activity framework: {}: {}", fieldName, field.getExpression());
ExpressionManager exprman = Context.getProcessEngineConfiguration().getExpressionManager();
Expression expr = exprman.createExpression(field.getExpression());
return (T) expr.getValue(varscope);
return expr.getValue(varscope);
} else if (field.getStringValue() == null) {
this.logger.trace("Field value is null: {}", fieldName);
return null;
} else if (forceExpressionProcessing) {
this.logger.trace("Field value will be processed as potentially having expression(s): {}", fieldName);
ExpressionManager exprman = Context.getProcessEngineConfiguration().getExpressionManager();
Expression expr = exprman.createExpression(field.getStringValue());
return (T) expr.getValue(varscope);
} else if (String.class.isAssignableFrom(type)) {
return (T) field.getStringValue();
return expr.getValue(varscope);
} else if (field.getStringValue().startsWith("${") && field.getStringValue().endsWith("}")) {
this.logger.trace("Field value is recognized as an expression by the MQ extension: {}: {}", fieldName, field.getStringValue());
ExpressionManager exprman = Context.getProcessEngineConfiguration().getExpressionManager();
Expression expr = exprman.createExpression(field.getStringValue());
return expr.getValue(varscope);
} else {
try {
Method method = type.getMethod("valueOf", String.class);
return (T) method.invoke(null, field.getStringValue());
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
throw new IllegalArgumentException(e);
}
return field.getStringValue();
}
}