public void parse(
ExpressionFactory factory, String contextDescription, Task task, OperationResult result)
throws SchemaException, ObjectNotFoundException {
if (expressionType == null) {
evaluators.add(createDefaultEvaluator(factory, contextDescription, task, result));
return;
}
if (expressionType.getExpressionEvaluator()
== null /* && expressionType.getSequence() == null */) {
throw new SchemaException("No evaluator was specified in " + contextDescription);
}
if (expressionType.getExpressionEvaluator() != null) {
ExpressionEvaluator evaluator =
createEvaluator(
expressionType.getExpressionEvaluator(), factory, contextDescription, task, result);
evaluators.add(evaluator);
}
if (evaluators.isEmpty()) {
evaluators.add(createDefaultEvaluator(factory, contextDescription, task, result));
}
}
private ExpressionVariables processInnerVariables(
ExpressionVariables variables, String contextDescription, Task task, OperationResult result)
throws SchemaException, ObjectNotFoundException {
if (expressionType == null
|| expressionType.getVariable() == null
|| expressionType.getVariable().isEmpty()) {
// shortcut
return variables;
}
ExpressionVariables newVariables = new ExpressionVariables();
for (Entry<QName, Object> entry : variables.entrySet()) {
newVariables.addVariableDefinition(entry.getKey(), entry.getValue());
}
for (ExpressionVariableDefinitionType variableDefType : expressionType.getVariable()) {
QName varName = variableDefType.getName();
if (varName == null) {
throw new SchemaException("No variable name in expression in " + contextDescription);
}
if (variableDefType.getObjectRef() != null) {
ObjectReferenceType ref = variableDefType.getObjectRef();
ref.setType(prismContext.getSchemaRegistry().qualifyTypeName(ref.getType()));
ObjectType varObject =
objectResolver.resolve(
ref,
ObjectType.class,
null,
"variable " + varName + " in " + contextDescription,
task,
result);
newVariables.addVariableDefinition(varName, varObject);
} else if (variableDefType.getValue() != null) {
// Only string is supported now
Object valueObject = variableDefType.getValue();
if (valueObject instanceof String) {
newVariables.addVariableDefinition(varName, valueObject);
} else if (valueObject instanceof Element) {
newVariables.addVariableDefinition(varName, ((Element) valueObject).getTextContent());
} else if (valueObject instanceof RawType) {
newVariables.addVariableDefinition(
varName, ((RawType) valueObject).getParsedValue(null, varName));
} else {
throw new SchemaException(
"Unexpected type "
+ valueObject.getClass()
+ " in variable definition "
+ varName
+ " in "
+ contextDescription);
}
} else if (variableDefType.getPath() != null) {
ItemPath itemPath = variableDefType.getPath().getItemPath();
Object resolvedValue =
ExpressionUtil.resolvePath(
itemPath, variables, null, objectResolver, contextDescription, task, result);
newVariables.addVariableDefinition(varName, resolvedValue);
} else {
throw new SchemaException("No value for variable " + varName + " in " + contextDescription);
}
}
return newVariables;
}