public void testExcludedMethod() throws Exception {
BeanInfo info = new BeanInfo(context, MyDummyBean.class);
Exchange exchange = new DefaultExchange(context);
MyDummyBean pojo = new MyDummyBean();
MethodInvocation mi = info.createInvocation(pojo, exchange);
assertNull("Should not be possible to find a suitable method", mi);
}
public void testNotExcludedMethod() throws Exception {
BeanInfo info = new BeanInfo(context, MyOtherDummyBean.class);
Exchange exchange = new DefaultExchange(context);
MyOtherDummyBean pojo = new MyOtherDummyBean();
MethodInvocation mi = info.createInvocation(pojo, exchange);
assertNotNull(mi);
assertEquals("hello", mi.getMethod().getName());
}
/**
* Returns the {@link MethodInfo} for the given method if it exists or null if there is no
* metadata available for the given method
*/
public MethodInfo getMethodInfo(Method method) {
MethodInfo answer = methodMap.get(method);
if (answer == null) {
// maybe the method is defined on a base class?
if (type != Object.class) {
Class<?> superclass = type.getSuperclass();
if (superclass != null && superclass != Object.class) {
BeanInfo superBeanInfo = new BeanInfo(camelContext, superclass, strategy);
return superBeanInfo.getMethodInfo(method);
}
}
}
return answer;
}
/**
* Returns the {@link MethodInfo} for the given method if it exists or null if there is no
* metadata available for the given method
*/
public MethodInfo getMethodInfo(Method method) {
MethodInfo answer = methodMap.get(method);
if (answer == null) {
// maybe the method overrides, and the method map keeps info of the source override we can use
for (Method source : methodMap.keySet()) {
if (ObjectHelper.isOverridingMethod(source, method, false)) {
answer = methodMap.get(source);
break;
}
}
}
if (answer == null) {
// maybe the method is defined on a base class?
if (type != Object.class) {
Class<?> superclass = type.getSuperclass();
if (superclass != null && superclass != Object.class) {
BeanInfo superBeanInfo = new BeanInfo(camelContext, superclass, strategy);
return superBeanInfo.getMethodInfo(method);
}
}
}
return answer;
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
BeanProcessor answer;
Class<?> clazz = bean != null ? bean.getClass() : null;
BeanHolder beanHolder;
if (ObjectHelper.isNotEmpty(ref)) {
if (cache != null && cache) {
// cache the registry lookup which avoids repeat lookup in the registry
beanHolder = new RegistryBean(routeContext.getCamelContext(), ref).createCacheHolder();
} else {
beanHolder = new RegistryBean(routeContext.getCamelContext(), ref);
}
// bean holder will check if the bean exists
bean = beanHolder.getBean();
answer = new BeanProcessor(beanHolder);
} else {
if (bean == null) {
if (beanType == null && beanClass == null) {
throw new IllegalArgumentException("bean, ref or beanType must be provided");
}
// the clazz is either from beanType or beanClass
if (beanType != null) {
try {
clazz =
routeContext.getCamelContext().getClassResolver().resolveMandatoryClass(beanType);
} catch (ClassNotFoundException e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
} else {
clazz = beanClass;
}
// create a bean if there is a default public no-arg constructor
if (ObjectHelper.hasDefaultPublicNoArgConstructor(clazz)) {
bean = CamelContextHelper.newInstance(routeContext.getCamelContext(), clazz);
ObjectHelper.notNull(bean, "bean", this);
}
}
// validate the bean type is not from java so you by mistake think its a reference
// to a bean name but the String is being invoke instead
if (bean instanceof String) {
throw new IllegalArgumentException(
"The bean instance is a java.lang.String type: "
+ bean
+ ". We suppose you want to refer to a bean instance by its id instead. Please use beanRef.");
}
// the holder should either be bean or type based
beanHolder =
bean != null
? new ConstantBeanHolder(bean, routeContext.getCamelContext())
: new ConstantTypeBeanHolder(clazz, routeContext.getCamelContext());
answer = new BeanProcessor(beanHolder);
}
// check for method exists
if (method != null) {
answer.setMethod(method);
// check there is a method with the given name, and leverage BeanInfo for that
BeanInfo beanInfo = beanHolder.getBeanInfo();
if (bean != null) {
// there is a bean instance, so check for any methods
if (!beanInfo.hasMethod(method)) {
throw ObjectHelper.wrapRuntimeCamelException(
new MethodNotFoundException(null, bean, method));
}
} else if (clazz != null) {
// there is no bean instance, so check for static methods only
if (!beanInfo.hasStaticMethod(method)) {
throw ObjectHelper.wrapRuntimeCamelException(
new MethodNotFoundException(null, clazz, method, true));
}
}
}
return answer;
}
