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

Example 21 with ExpressionParser

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

the class SpelReproTests method array.

@Test
public void array() {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression expression = null;
    Object result = null;
    expression = parser.parseExpression("new java.lang.Long[0].class");
    result = expression.getValue(context, "");
    assertEquals("Equal assertion failed: ", "class [Ljava.lang.Long;", result.toString());
    expression = parser.parseExpression("T(java.lang.Long[])");
    result = expression.getValue(context, "");
    assertEquals("Equal assertion failed: ", "class [Ljava.lang.Long;", result.toString());
    expression = parser.parseExpression("T(java.lang.String[][][])");
    result = expression.getValue(context, "");
    assertEquals("Equal assertion failed: ", "class [[[Ljava.lang.String;", result.toString());
    assertEquals("T(java.lang.String[][][])", ((SpelExpression) expression).toStringAST());
    expression = parser.parseExpression("new int[0].class");
    result = expression.getValue(context, "");
    assertEquals("Equal assertion failed: ", "class [I", result.toString());
    expression = parser.parseExpression("T(int[][])");
    result = expression.getValue(context, "");
    assertEquals("class [[I", result.toString());
}

Example 22 with ExpressionParser

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

the class SpelReproTests method SPR13055.

@Test
@SuppressWarnings("rawtypes")
public void SPR13055() throws Exception {
    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(org.springframework.util.StringUtils).collectionToCommaDelimitedString(#this.values())]";
    List res = parser.parseExpression(ex).getValue(context, List.class);
    assertEquals("[test12,test11, test22,test21]", res.toString());
    res = parser.parseExpression("#root.![#this.values()]").getValue(context, List.class);
    assertEquals("[[test12, test11], [test22, test21]]", res.toString());
    res = parser.parseExpression("#root.![values()]").getValue(context, List.class);
    assertEquals("[[test12, test11], [test22, test21]]", res.toString());
}

Example 23 with ExpressionParser

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

the class SpelReproTests method SPR10452.

@Test
public void SPR10452() throws Exception {
    SpelParserConfiguration configuration = new SpelParserConfiguration(false, false);
    ExpressionParser parser = new SpelExpressionParser(configuration);
    StandardEvaluationContext context = new StandardEvaluationContext();
    Expression spel = parser.parseExpression("#enumType.values()");
    context.setVariable("enumType", ABC.class);
    Object result = spel.getValue(context);
    assertNotNull(result);
    assertTrue(result.getClass().isArray());
    assertEquals(ABC.A, Array.get(result, 0));
    assertEquals(ABC.B, Array.get(result, 1));
    assertEquals(ABC.C, Array.get(result, 2));
    context.setVariable("enumType", XYZ.class);
    result = spel.getValue(context);
    assertNotNull(result);
    assertTrue(result.getClass().isArray());
    assertEquals(XYZ.X, Array.get(result, 0));
    assertEquals(XYZ.Y, Array.get(result, 1));
    assertEquals(XYZ.Z, Array.get(result, 2));
}

Example 24 with ExpressionParser

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

the class SpelReproTests method SPR9486_multiplyFloatWithDouble.

@Test
public void SPR9486_multiplyFloatWithDouble() {
    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);
    assertEquals(expectedNumber, result);
}

Example 25 with ExpressionParser

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

the class SpelReproTests method SPR9486_floatDivideByDouble.

@Test
public void SPR9486_floatDivideByDouble() {
    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);
    assertEquals(expectedNumber, result);
}