static ValueExpression restore(Object value, Class type, FacesContext context) {
if (value == null) return null;
String expr = (String) value;
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
static ValueExpression restoreWithType(Object value, FacesContext context) {
if (value == null) return null;
Object[] state = (Object[]) value;
String expr = (String) state[0];
Class type = (Class) state[1];
Application app = context.getApplication();
ExpressionFactory factory = app.getExpressionFactory();
return factory.createValueExpression(context.getELContext(), expr, type);
}
private RTLExpression addClause(RTLExpression formula, RTLExpression clause) {
if (formula != null) {
return ExpressionFactory.createAnd(formula, clause);
} else {
return clause;
}
}
protected void parseParamStrings(String paramString, ExpressionFactory expressionFactory) {
List paramStrings = Util.tokenizeIgnoringEnclosers(paramString, ',');
for (Iterator itr = paramStrings.iterator(); itr.hasNext(); ) {
String nextParam = ((String) itr.next()).trim();
if (!(nextParam.equals(""))) {
Debug.logn("Find match for param " + nextParam, this);
if (CallExpression.isVariable(this.context, nextParam)) {
DNVariable v = CallExpression.getVariable(this.context, nextParam);
parameters.add(v);
} else if (expressionFactory.getExpression(nextParam, this.context) != null) {
parameters.add(expressionFactory.getExpression(nextParam, this.context));
}
}
}
}
public RTLExpression getStateFormula(ValuationState state) {
RTLExpression result = null;
for (Iterator<Map.Entry<RTLVariable, AbstractDomainElement>> entryIt = state.variableIterator();
entryIt.hasNext(); ) {
Map.Entry<RTLVariable, AbstractDomainElement> entry = entryIt.next();
RTLVariable var = entry.getKey();
IntervalElement interval = (IntervalElement) entry.getValue();
if (interval.size() == 1) {
result =
addClause(
result,
ExpressionFactory.createEqual(
var, ExpressionFactory.createNumber(interval.getLeft(), var.getBitWidth())));
} else {
if (!interval.leftOpen()) {
result =
addClause(
result,
ExpressionFactory.createLessOrEqual(
ExpressionFactory.createNumber(interval.getLeft(), var.getBitWidth()), var));
}
if (!interval.rightOpen()) {
result =
addClause(
result,
ExpressionFactory.createLessOrEqual(
var, ExpressionFactory.createNumber(interval.getRight(), var.getBitWidth())));
}
}
}
if (result == null) {
result = ExpressionFactory.TRUE;
}
return result;
}
