Examples with StandardEvaluationContext org.springframework.expression.spel.support.StandardEvaluationContext used on opensource projects

Example 56 with StandardEvaluationContext

use of org.springframework.expression.spel.support.StandardEvaluationContext in project spring-framework by spring-projects.

the class MethodInvocationTests method testAddingMethodResolvers.

@Test
public void testAddingMethodResolvers() {
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    // reflective method accessor is the only one by default
    List<MethodResolver> methodResolvers = ctx.getMethodResolvers();
    assertEquals(1, methodResolvers.size());
    MethodResolver dummy = new DummyMethodResolver();
    ctx.addMethodResolver(dummy);
    assertEquals(2, ctx.getMethodResolvers().size());
    List<MethodResolver> copy = new ArrayList<>();
    copy.addAll(ctx.getMethodResolvers());
    assertTrue(ctx.removeMethodResolver(dummy));
    assertFalse(ctx.removeMethodResolver(dummy));
    assertEquals(1, ctx.getMethodResolvers().size());
    ctx.setMethodResolvers(copy);
    assertEquals(2, ctx.getMethodResolvers().size());
}

Example 57 with StandardEvaluationContext

use of org.springframework.expression.spel.support.StandardEvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method projectionWithIterable.

@Test
public void projectionWithIterable() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("#testList.![wrapper.value]");
    EvaluationContext context = new StandardEvaluationContext();
    context.setVariable("testList", IntegerTestBean.createIterable());
    Object value = expression.getValue(context);
    assertTrue(value instanceof List);
    List<?> list = (List<?>) value;
    assertEquals(3, list.size());
    assertEquals(5, list.get(0));
    assertEquals(6, list.get(1));
    assertEquals(7, list.get(2));
}

Example 58 with StandardEvaluationContext

use of org.springframework.expression.spel.support.StandardEvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method selectLastItemInMap.

@Test
@SuppressWarnings("unchecked")
public void selectLastItemInMap() {
    EvaluationContext context = new StandardEvaluationContext(new MapTestBean());
    ExpressionParser parser = new SpelExpressionParser();
    Expression exp = parser.parseExpression("colors.$[key.startsWith('b')]");
    Map<String, String> colorsMap = (Map<String, String>) exp.getValue(context);
    assertEquals(1, colorsMap.size());
    assertEquals("brown", colorsMap.keySet().iterator().next());
}

Example 59 with StandardEvaluationContext

use of org.springframework.expression.spel.support.StandardEvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method projectionWithArray.

@Test
public void projectionWithArray() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("#testArray.![wrapper.value]");
    EvaluationContext context = new StandardEvaluationContext();
    context.setVariable("testArray", IntegerTestBean.createArray());
    Object value = expression.getValue(context);
    assertTrue(value.getClass().isArray());
    TypedValue typedValue = new TypedValue(value);
    assertEquals(Number.class, typedValue.getTypeDescriptor().getElementTypeDescriptor().getType());
    Number[] array = (Number[]) value;
    assertEquals(3, array.length);
    assertEquals(new Integer(5), array[0]);
    assertEquals(5.9f, array[1]);
    assertEquals(new Integer(7), array[2]);
}

Example 60 with StandardEvaluationContext

use of org.springframework.expression.spel.support.StandardEvaluationContext in project spring-framework by spring-projects.

the class SelectionAndProjectionTests method selectLastItemInSet.

@Test
public void selectLastItemInSet() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.$[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new SetTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(4, value);
}