Examples with ExpressionParser org.springframework.expression.ExpressionParser used on opensource projects

Example 11 with ExpressionParser

use of org.springframework.expression.ExpressionParser in project spring-framework by spring-projects.

the class MapAccessTests method testGetValue.

@Test
public void testGetValue() {
    Map<String, String> props1 = new HashMap<>();
    props1.put("key1", "value1");
    props1.put("key2", "value2");
    props1.put("key3", "value3");
    Object bean = new TestBean("name1", new TestBean("name2", null, "Description 2", 15, props1), "description 1", 6, props1);
    ExpressionParser parser = new SpelExpressionParser();
    Expression expr = parser.parseExpression("testBean.properties['key2']");
    assertEquals("value2", expr.getValue(bean));
}

Example 12 with ExpressionParser

use of org.springframework.expression.ExpressionParser in project spring-framework by spring-projects.

the class MapAccessTests method testCustomMapAccessor.

@Test
public void testCustomMapAccessor() throws Exception {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext ctx = TestScenarioCreator.getTestEvaluationContext();
    ctx.addPropertyAccessor(new MapAccessor());
    Expression expr = parser.parseExpression("testMap.monday");
    Object value = expr.getValue(ctx, String.class);
    assertEquals("montag", value);
}

Example 13 with ExpressionParser

use of org.springframework.expression.ExpressionParser 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 14 with ExpressionParser

use of org.springframework.expression.ExpressionParser in project spring-framework by spring-projects.

the class SpelDocumentationTests method testEqualityCheck.

@Test
public void testEqualityCheck() throws Exception {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.setRootObject(tesla);
    Expression exp = parser.parseExpression("name == 'Nikola Tesla'");
    // evaluates to true
    boolean isEqual = exp.getValue(context, Boolean.class);
    assertTrue(isEqual);
}

Example 15 with ExpressionParser

use of org.springframework.expression.ExpressionParser in project spring-framework by spring-projects.

the class SpelReproTests method SPR13055_maps.

@Test
public void SPR13055_maps() {
    EvaluationContext context = new StandardEvaluationContext();
    ExpressionParser parser = new SpelExpressionParser();
    Expression ex = parser.parseExpression("{'a':'y','b':'n'}.![value=='y'?key:null]");
    assertEquals("[a, null]", ex.getValue(context).toString());
    ex = parser.parseExpression("{2:4,3:6}.![T(java.lang.Math).abs(#this.key) + 5]");
    assertEquals("[7, 8]", ex.getValue(context).toString());
    ex = parser.parseExpression("{2:4,3:6}.![T(java.lang.Math).abs(#this.value) + 5]");
    assertEquals("[9, 11]", ex.getValue(context).toString());
}