@Test
public void testDictionaryAccess() throws Exception {
StandardEvaluationContext societyContext = new StandardEvaluationContext();
societyContext.setRootObject(new IEEE());
// Officer's Dictionary
Inventor pupin =
parser.parseExpression("officers['president']").getValue(societyContext, Inventor.class);
assertNotNull(pupin);
// evaluates to "Idvor"
String city =
parser
.parseExpression("officers['president'].PlaceOfBirth.city")
.getValue(societyContext, String.class);
assertNotNull(city);
// setting values
Inventor i =
parser.parseExpression("officers['advisors'][0]").getValue(societyContext, Inventor.class);
assertEquals("Nikola Tesla", i.getName());
parser
.parseExpression("officers['advisors'][0].PlaceOfBirth.Country")
.setValue(societyContext, "Croatia");
Inventor i2 =
parser
.parseExpression("reverse[0]['advisors'][0]")
.getValue(societyContext, Inventor.class);
assertEquals("Nikola Tesla", i2.getName());
}
@Test
public void testVariables() throws Exception {
Inventor tesla = new Inventor("Nikola Tesla", "Serbian");
StandardEvaluationContext context = new StandardEvaluationContext();
context.setVariable("newName", "Mike Tesla");
context.setRootObject(tesla);
parser.parseExpression("foo = #newName").getValue(context);
assertEquals("Mike Tesla", tesla.getFoo());
}
@Test
public void testConstructors() throws Exception {
StandardEvaluationContext societyContext = new StandardEvaluationContext();
societyContext.setRootObject(new IEEE());
Inventor einstein =
parser
.parseExpression(
"new org.springframework.expression.spel.testresources.Inventor('Albert Einstein',new java.util.Date(), 'German')")
.getValue(Inventor.class);
assertEquals("Albert Einstein", einstein.getName());
// create new inventor instance within add method of List
parser
.parseExpression(
"Members2.add(new org.springframework.expression.spel.testresources.Inventor('Albert Einstein', 'German'))")
.getValue(societyContext);
}
/**
* Create the root context object, an Inventor instance. Non-qualified property and method
* references will be resolved against this context object.
*
* @param testContext the evaluation context in which to set the root object
*/
private static void setupRootContextObject(StandardEvaluationContext testContext) {
GregorianCalendar c = new GregorianCalendar();
c.set(1856, 7, 9);
Inventor tesla = new Inventor("Nikola Tesla", c.getTime(), "Serbian");
tesla.setPlaceOfBirth(new PlaceOfBirth("SmilJan"));
tesla.setInventions(
new String[] {
"Telephone repeater",
"Rotating magnetic field principle",
"Polyphase alternating-current system",
"Induction motor",
"Alternating-current power transmission",
"Tesla coil transformer",
"Wireless communication",
"Radio",
"Fluorescent lights"
});
testContext.setRootObject(tesla);
}
static {
GregorianCalendar c = new GregorianCalendar();
c.set(1856, 7, 9);
tesla = new Inventor("Nikola Tesla", c.getTime(), "Serbian");
tesla.setPlaceOfBirth(new PlaceOfBirth("SmilJan"));
tesla.setInventions(
new String[] {
"Telephone repeater",
"Rotating magnetic field principle",
"Polyphase alternating-current system",
"Induction motor",
"Alternating-current power transmission",
"Tesla coil transformer",
"Wireless communication",
"Radio",
"Fluorescent lights"
});
pupin = new Inventor("Pupin", c.getTime(), "Idvor");
pupin.setPlaceOfBirth(new PlaceOfBirth("Idvor"));
}