Examples with Expression org.apache.camel.Expression used on opensource projects

Example 66 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class SimpleTest method testListRemoveByInstance.

public void testListRemoveByInstance() throws Exception {
    List<Object> data = new ArrayList<Object>();
    data.add("A");
    data.add("B");
    exchange.getIn().setBody(data);
    assertEquals(2, data.size());
    Expression expression = SimpleLanguage.simple("${body.remove('A')}");
    expression.evaluate(exchange, Object.class);
    assertEquals(1, data.size());
    assertEquals("B", data.get(0));
}

Example 67 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class ExpressionListComparator method compare.

public int compare(Exchange e1, Exchange e2) {
    for (Expression expression : expressions) {
        Object o1 = expression.evaluate(e1, Object.class);
        Object o2 = expression.evaluate(e2, Object.class);
        int answer = ObjectHelper.compare(o1, o2);
        if (answer != 0) {
            return answer;
        }
    }
    return 0;
}

Example 68 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class BeanTest method testBeanTypeAndMethodExpression.

public void testBeanTypeAndMethodExpression() throws Exception {
    Expression exp = BeanLanguage.bean(MyUser.class, "hello");
    Exchange exchange = createExchangeWithBody("Claus");
    Object result = exp.evaluate(exchange, Object.class);
    assertEquals("Hello Claus", result);
}

Example 69 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class BeanTest method testBeanTypeExpression.

public void testBeanTypeExpression() throws Exception {
    Expression exp = BeanLanguage.bean(MyUser.class, null);
    Exchange exchange = createExchangeWithBody("Claus");
    Object result = exp.evaluate(exchange, Object.class);
    assertEquals("Hello Claus", result);
}

Example 70 with Expression

use of org.apache.camel.Expression in project camel by apache.

the class BeanTest method testNoMethodBeanLookup.

public void testNoMethodBeanLookup() throws Exception {
    Expression exp = BeanLanguage.bean("foo.cake");
    Exchange exchange = createExchangeWithBody("Claus");
    Object result = exp.evaluate(exchange, Object.class);
    assertNull(result);
    assertNotNull(exchange.getException());
    MethodNotFoundException e = assertIsInstanceOf(MethodNotFoundException.class, exchange.getException());
    assertSame(context.getRegistry().lookupByName("foo"), e.getBean());
    assertEquals("cake", e.getMethodName());
}