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

Example 16 with ExpressionParser

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

the class MapAccessTests method testGetValueFromRootMap.

@Test
public void testGetValueFromRootMap() {
    Map<String, String> map = new HashMap<>();
    map.put("key", "value");
    ExpressionParser spelExpressionParser = new SpelExpressionParser();
    Expression expr = spelExpressionParser.parseExpression("#root['key']");
    assertEquals("value", expr.getValue(map));
}

Example 17 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 18 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 19 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 20 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);
}