Examples with SpelExpressionParser org.springframework.expression.spel.standard.SpelExpressionParser used on opensource projects

Example 81 with SpelExpressionParser

use of org.springframework.expression.spel.standard.SpelExpressionParser in project spring-framework by spring-projects.

the class TemplateExpressionParsingTests method testParsingSimpleTemplateExpression01.

@Test
public void testParsingSimpleTemplateExpression01() throws Exception {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expr = parser.parseExpression("hello ${'world'}", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    Object o = expr.getValue();
    assertEquals("hello world", o.toString());
}

Example 82 with SpelExpressionParser

use of org.springframework.expression.spel.standard.SpelExpressionParser in project spring-framework by spring-projects.

the class TemplateExpressionParsingTests method testParsingSimpleTemplateExpression03.

@Test
public void testParsingSimpleTemplateExpression03() throws Exception {
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expr = parser.parseExpression("The quick ${'brown'} fox jumped over the ${'lazy'} dog", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    Object o = expr.getValue();
    assertEquals("The quick brown fox jumped over the lazy dog", o.toString());
}

Example 83 with SpelExpressionParser

use of org.springframework.expression.spel.standard.SpelExpressionParser in project spring-framework by spring-projects.

the class TemplateExpressionParsingTests method testNestedExpressions.

@Test
public void testNestedExpressions() throws Exception {
    SpelExpressionParser parser = new SpelExpressionParser();
    // treat the nested ${..} as a part of the expression
    Expression ex = parser.parseExpression("hello ${listOfNumbersUpToTen.$[#this<5]} world", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    String s = ex.getValue(TestScenarioCreator.getTestEvaluationContext(), String.class);
    assertEquals("hello 4 world", s);
    // not a useful expression but tests nested expression syntax that clashes with template prefix/suffix
    ex = parser.parseExpression("hello ${listOfNumbersUpToTen.$[#root.listOfNumbersUpToTen.$[#this%2==1]==3]} world", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    assertEquals(CompositeStringExpression.class, ex.getClass());
    CompositeStringExpression cse = (CompositeStringExpression) ex;
    Expression[] exprs = cse.getExpressions();
    assertEquals(3, exprs.length);
    assertEquals("listOfNumbersUpToTen.$[#root.listOfNumbersUpToTen.$[#this%2==1]==3]", exprs[1].getExpressionString());
    s = ex.getValue(TestScenarioCreator.getTestEvaluationContext(), String.class);
    assertEquals("hello  world", s);
    ex = parser.parseExpression("hello ${listOfNumbersUpToTen.$[#this<5]} ${listOfNumbersUpToTen.$[#this>5]} world", DEFAULT_TEMPLATE_PARSER_CONTEXT);
    s = ex.getValue(TestScenarioCreator.getTestEvaluationContext(), String.class);
    assertEquals("hello 4 10 world", s);
    try {
        ex = parser.parseExpression("hello ${listOfNumbersUpToTen.$[#this<5]} ${listOfNumbersUpToTen.$[#this>5] world", DEFAULT_TEMPLATE_PARSER_CONTEXT);
        fail("Should have failed");
    } catch (ParseException pe) {
        assertEquals("No ending suffix '}' for expression starting at character 41: ${listOfNumbersUpToTen.$[#this>5] world", pe.getSimpleMessage());
    }
    try {
        ex = parser.parseExpression("hello ${listOfNumbersUpToTen.$[#root.listOfNumbersUpToTen.$[#this%2==1==3]} world", DEFAULT_TEMPLATE_PARSER_CONTEXT);
        fail("Should have failed");
    } catch (ParseException pe) {
        assertEquals("Found closing '}' at position 74 but most recent opening is '[' at position 30", pe.getSimpleMessage());
    }
}

Example 84 with SpelExpressionParser

use of org.springframework.expression.spel.standard.SpelExpressionParser in project spring-framework by spring-projects.

the class SpelReproTests method SPR9486_floatEqFloat.

@Test
public void SPR9486_floatEqFloat() {
    Boolean expectedResult = 10.215f == 10.2109f;
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = parser.parseExpression("10.215f == 10.2109f");
    Boolean result = expression.getValue(context, null, Boolean.class);
    assertEquals(expectedResult, result);
}

Example 85 with SpelExpressionParser

use of org.springframework.expression.spel.standard.SpelExpressionParser in project spring-framework by spring-projects.

the class SpelReproTests method SPR9194.

@Test
public void SPR9194() {
    TestClass2 one = new TestClass2("abc");
    TestClass2 two = new TestClass2("abc");
    Map<String, TestClass2> map = new HashMap<>();
    map.put("one", one);
    map.put("two", two);
    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expr = parser.parseExpression("['one'] == ['two']");
    assertTrue(expr.getValue(map, Boolean.class));
}