Example usage for org.springframework.expression EvaluationContext lookupVariable

Introduction

In this page you can find the example usage for org.springframework.expression EvaluationContext lookupVariable.

Prototype

@Nullable
Object lookupVariable(String name);

Source Link

Document

Look up a named variable within this evaluation context.

Usage

From source file:net.abhinavsarkar.spelhelper.ImplicitMethodResolver.java

private static Method lookupMethod(final EvaluationContext context, final Class<?> type, final String name) {
    for (Class<?> clazz : InheritenceUtil.getInheritance(type)) {
        Object variable = ((SpelHelper) context.lookupVariable(SpelHelper.CONTEXT_LOOKUP_KEY))
                .lookupImplicitMethod(clazz.getName() + "." + name);
        if (variable instanceof Method) {
            return (Method) variable;
        }/*from  w  ww  . j  av a2 s .  co  m*/
    }
    return null;
}

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From source file:io.dyn.el.ScopedEvaluationContext.java

@Override
public Object lookupVariable(String name) {
    Object o = super.lookupVariable(name);
    if (null == o) {
        for (EvaluationContext ec : parentContexts) {
            o = ec.lookupVariable(name);
            if (null != o) {
                break;
            }/*ww w. ja  v  a2 s .c  o m*/
        }
    }
    return o;
}

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From source file:org.mule.module.spel.EvaluationContextFactoryTest.java

public void testCreate() {
    MuleRegistry muleRegistry = mock(MuleRegistry.class);
    MuleContext context = mock(MuleContext.class);
    when(context.getRegistry()).thenReturn(muleRegistry);

    MuleMessage message = new DefaultMuleMessage(null, context);
    message.setPayload("a payload");

    EvaluationContextFactory contextFactory = new EvaluationContextFactory(context);
    EvaluationContext evaluationContext = contextFactory.create(message);

    Object resultMuleContext = evaluationContext.lookupVariable("context");
    assertNotNull(resultMuleContext);/*from w w w .  j a v  a 2  s  .  c  o m*/
    assertTrue(resultMuleContext instanceof MuleContext);
    assertEquals(context, resultMuleContext);

    Object resultMuleRegistry = evaluationContext.lookupVariable("registry");
    assertNotNull(resultMuleRegistry);
    assertTrue(resultMuleRegistry instanceof MuleRegistry);
    assertEquals(muleRegistry, resultMuleRegistry);

    Object resultMuleMessage = evaluationContext.lookupVariable("message");
    assertNotNull(resultMuleMessage);
    assertTrue(resultMuleMessage instanceof MuleMessage);

    Object resultOriginalPayload = evaluationContext.lookupVariable("originalPayload");
    assertNull(resultOriginalPayload);

    Object resultPayload = evaluationContext.lookupVariable("payload");
    assertNotNull(resultPayload);
    assertEquals("a payload", resultPayload);

    Object resultId = evaluationContext.lookupVariable("id");
    assertNotNull(resultId);
}

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From source file:net.abhinavsarkar.spelhelper.ImplicitConstructorResolver.java

@Override
public ConstructorExecutor resolve(final EvaluationContext context, final String typeName,
        final List<TypeDescriptor> argumentTypes) throws AccessException {
    try {//from w  w w .  j av  a 2s.  c  o m
        return delegate.resolve(context, typeName, argumentTypes);
    } catch (AccessException ex) {
        Object variable = ((SpelHelper) context.lookupVariable(SpelHelper.CONTEXT_LOOKUP_KEY))
                .lookupImplicitConstructor(typeName + argumentTypes.toString());
        if (variable instanceof Constructor<?>) {
            Constructor<?> constructor = (Constructor<?>) variable;
            return delegate.resolve(context, constructor.getDeclaringClass().getName(), argumentTypes);
        }
        return null;
    }
}

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From source file:cz.jirutka.validator.spring.SpELAssertValidator.java

private String inspectFunctions(EvaluationContext context) {
    StringBuilder message = new StringBuilder();
    Set<String> names = new HashSet<>(functions.size());

    message.append("Registered functions: \n");

    for (Method function : functions) {
        names.add(function.getName());//from  w w  w  .j ava2 s.c o m
    }
    for (String name : names) {
        Object obj = context.lookupVariable(name);
        if (obj instanceof Method) {
            message.append("     #").append(name).append(" -> ").append(obj).append("\n");
        }
    }
    return message.toString();
}

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