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

Example 1 with ExpressionParser

use of org.springframework.expression.ExpressionParser in project pinpoint by naver.

the class HbaseApiMetaDataDaoTest method getApiMetaDataCachable.

@Test
public void getApiMetaDataCachable() {
    // cacheable key - spring expression language
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext();
    context.setVariable("agentId", "foo");
    context.setVariable("time", (long) 1);
    context.setVariable("apiId", (int) 2);
    String key = (String) parser.parseExpression(HbaseApiMetaDataDao.SPEL_KEY).getValue(context);
    assertEquals("foo.1.2", key);
}

Example 2 with ExpressionParser

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

the class EvaluationTests method increment02prefix.

@Test
public void increment02prefix() {
    Spr9751 helper = new Spr9751();
    StandardEvaluationContext ctx = new StandardEvaluationContext(helper);
    ExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression e = null;
    // BigDecimal
    e = parser.parseExpression("++bd");
    assertTrue(new BigDecimal("2").equals(helper.bd));
    BigDecimal return_bd = e.getValue(ctx, BigDecimal.class);
    assertTrue(new BigDecimal("3").equals(return_bd));
    assertTrue(new BigDecimal("3").equals(helper.bd));
    // double
    e = parser.parseExpression("++ddd");
    assertEquals(2.0d, helper.ddd, 0d);
    double return_ddd = e.getValue(ctx, Double.TYPE);
    assertEquals(3.0d, return_ddd, 0d);
    assertEquals(3.0d, helper.ddd, 0d);
    // float
    e = parser.parseExpression("++fff");
    assertEquals(3.0f, helper.fff, 0d);
    float return_fff = e.getValue(ctx, Float.TYPE);
    assertEquals(4.0f, return_fff, 0d);
    assertEquals(4.0f, helper.fff, 0d);
    // long
    e = parser.parseExpression("++lll");
    assertEquals(66666L, helper.lll);
    long return_lll = e.getValue(ctx, Long.TYPE);
    assertEquals(66667L, return_lll);
    assertEquals(66667L, helper.lll);
    // int
    e = parser.parseExpression("++iii");
    assertEquals(42, helper.iii);
    int return_iii = e.getValue(ctx, Integer.TYPE);
    assertEquals(43, return_iii);
    assertEquals(43, helper.iii);
    return_iii = e.getValue(ctx, Integer.TYPE);
    assertEquals(44, return_iii);
    assertEquals(44, helper.iii);
    // short
    e = parser.parseExpression("++sss");
    assertEquals(15, helper.sss);
    int return_sss = (Integer) e.getValue(ctx);
    assertEquals(16, return_sss);
    assertEquals(16, helper.sss);
}

Example 3 with ExpressionParser

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

the class EvaluationTests method increment01root.

// For now I am making #this not assignable
@Test
public void increment01root() {
    Integer i = 42;
    StandardEvaluationContext ctx = new StandardEvaluationContext(i);
    ExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression e = parser.parseExpression("#this++");
    assertEquals(42, i.intValue());
    try {
        e.getValue(ctx, Integer.class);
        fail();
    } catch (SpelEvaluationException see) {
        assertEquals(SpelMessage.NOT_ASSIGNABLE, see.getMessageCode());
    }
}

Example 4 with ExpressionParser

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

the class EvaluationTests method collectionGrowingViaIndexer.

/**
	 * This test is checking that with the changes for 9751 that the refactoring in Indexer is
	 * coping correctly for references beyond collection boundaries.
	 */
@Test
public void collectionGrowingViaIndexer() {
    Spr9751 instance = new Spr9751();
    // Add a new element to the list
    StandardEvaluationContext ctx = new StandardEvaluationContext(instance);
    ExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Expression e = parser.parseExpression("listOfStrings[++index3]='def'");
    e.getValue(ctx);
    assertEquals(2, instance.listOfStrings.size());
    assertEquals("def", instance.listOfStrings.get(1));
    // Check reference beyond end of collection
    ctx = new StandardEvaluationContext(instance);
    parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    e = parser.parseExpression("listOfStrings[0]");
    String value = e.getValue(ctx, String.class);
    assertEquals("abc", value);
    e = parser.parseExpression("listOfStrings[1]");
    value = e.getValue(ctx, String.class);
    assertEquals("def", value);
    e = parser.parseExpression("listOfStrings[2]");
    value = e.getValue(ctx, String.class);
    assertEquals("", value);
    // Now turn off growing and reference off the end
    ctx = new StandardEvaluationContext(instance);
    parser = new SpelExpressionParser(new SpelParserConfiguration(false, false));
    e = parser.parseExpression("listOfStrings[3]");
    try {
        e.getValue(ctx, String.class);
        fail();
    } catch (SpelEvaluationException see) {
        assertEquals(SpelMessage.COLLECTION_INDEX_OUT_OF_BOUNDS, see.getMessageCode());
    }
}

Example 5 with ExpressionParser

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

the class EvaluationTests method testCreateObjectsOnAttemptToReferenceNull.

// wibble2 should be null (cannot be initialized dynamically), there is no setter
@Test(expected = SpelEvaluationException.class)
public void testCreateObjectsOnAttemptToReferenceNull() throws Exception {
    TestClass testClass = new TestClass();
    StandardEvaluationContext ctx = new StandardEvaluationContext(testClass);
    ExpressionParser parser = new SpelExpressionParser(new SpelParserConfiguration(true, true));
    Object o = null;
    o = parser.parseExpression("wibble.bar").getValue(ctx);
    assertEquals("hello", o);
    o = parser.parseExpression("wibble").getValue(ctx);
    assertNotNull(o);
    o = parser.parseExpression("wibble2.bar").getValue(ctx);
}