Examples with ExpressionParser cn.taketoday.expression.ExpressionParser used on opensource projects

Example 11 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR13055.

@Test
@SuppressWarnings("rawtypes")
void SPR13055() {
    List<Map<String, Object>> myPayload = new ArrayList<>();
    Map<String, Object> v1 = new HashMap<>();
    Map<String, Object> v2 = new HashMap<>();
    v1.put("test11", "test11");
    v1.put("test12", "test12");
    v2.put("test21", "test21");
    v2.put("test22", "test22");
    myPayload.add(v1);
    myPayload.add(v2);
    EvaluationContext context = new StandardEvaluationContext(myPayload);
    ExpressionParser parser = new SpelExpressionParser();
    String ex = "#root.![T(cn.taketoday.util.StringUtils).collectionToCommaDelimitedString(#this.values())]";
    List res = parser.parseExpression(ex).getValue(context, List.class);
    assertThat(res.toString()).isEqualTo("[test12,test11, test22,test21]");
    res = parser.parseExpression("#root.![#this.values()]").getValue(context, List.class);
    assertThat(res.toString()).isEqualTo("[[test12, test11], [test22, test21]]");
    res = parser.parseExpression("#root.![values()]").getValue(context, List.class);
    assertThat(res.toString()).isEqualTo("[[test12, test11], [test22, test21]]");
}

Example 12 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR9486_subtractFloatWithFloat.

@Test
void SPR9486_subtractFloatWithFloat() {
    Number expectedNumber = 10.21f - 10.2f;
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = parser.parseExpression("10.21f - 10.2f");
    Number result = expression.getValue(context, null, Number.class);
    assertThat(result).isEqualTo(expectedNumber);
}

Example 13 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR9486_multiplyFloatWithFloat.

@Test
void SPR9486_multiplyFloatWithFloat() {
    Number expectedNumber = 10.21f * 10.2f;
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = parser.parseExpression("10.21f * 10.2f");
    Number result = expression.getValue(context, null, Number.class);
    assertThat(result).isEqualTo(expectedNumber);
}

Example 14 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelReproTests method SPR9486_subtractFloatWithDouble.

@Test
void SPR9486_subtractFloatWithDouble() {
    Number expectedNumber = 10.21f - 10.2;
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = parser.parseExpression("10.21f - 10.2");
    Number result = expression.getValue(context, null, Number.class);
    assertThat(result).isEqualTo(expectedNumber);
}

Example 15 with ExpressionParser

use of cn.taketoday.expression.ExpressionParser in project today-infrastructure by TAKETODAY.

the class SpelDocumentationTests method rootObject.

@Test
void rootObject() throws Exception {
    GregorianCalendar c = new GregorianCalendar();
    c.set(1856, 7, 9);
    // The constructor arguments are name, birthday, and nationaltiy.
    Inventor tesla = new Inventor("Nikola Tesla", c.getTime(), "Serbian");
    ExpressionParser parser = new SpelExpressionParser();
    Expression exp = parser.parseExpression("name");
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.setRootObject(tesla);
    String name = (String) exp.getValue(context);
    assertThat(name).isEqualTo("Nikola Tesla");
}