private void checkInterfaces(Composant comp, CompDesc element)
throws InstantiationException, IllegalAccessException, ArchitectureException,
NoSuchInterfaceException, ClassNotFoundException {
Logger.getAnonymousLogger()
.log(Level.INFO, "Checking interfaces for component {0}...", element.name());
for (String pName : element.ports) {
Field f = (Field) comp.getInterfaceForName(pName, Boolean.TRUE);
if (f == null) {
f = (Field) comp.getInterfaceForName(pName, Boolean.FALSE);
if (f == null) {
throw new NoSuchInterfaceException("Cannot find port " + pName);
}
}
}
for (String sName : element.services) {
Method m = (Method) comp.getInterfaceForName(sName, Boolean.TRUE);
if (m == null) {
m = (Method) comp.getInterfaceForName(sName, Boolean.FALSE);
if (m == null) {
throw new NoSuchInterfaceException("Cannot find service " + element.name() + "." + sName);
}
}
}
}
private Composant getComposant(Configuration conf, String cName) throws ArchitectureException {
for (Composant cmp : conf.getComposants()) {
if (cmp.getClass().getAnnotation(Component.class).value().equals(cName)) {
return cmp;
}
}
throw new ArchitectureException("No component found for name " + cName);
}
private Composant instanciate(CompDesc element)
throws ClassNotFoundException, ArchitectureException, NoSuchMethodException,
IllegalArgumentException, InvocationTargetException, NoSuchComponentException,
NoSuchInterfaceException, WrongTypeException {
Logger.getAnonymousLogger().log(Level.INFO, ">>> Instanciate : {0}", element.name());
String name = element.name();
Set<String> classes = annotdb.getAnnotationIndex().get(Component.class.getName());
for (String clName : classes) {
Class compC = loader.loadClass(clName);
if (Composant.class.isAssignableFrom(compC)) {
try {
Composant compTest = (Composant) compC.newInstance();
String value = compTest.getClass().getAnnotation(Component.class).value();
if (name.equals(value)) {
checkInterfaces(compTest, element); // DONE
// On a trouvé la classe qui va bien ! il faut l'ajouter au système, et passer à la
// suite.
if (element instanceof ConfDesc) {
if (compTest instanceof Configuration) {
for (CompDesc cm : ((ConfDesc) element).children) {
Logger.getAnonymousLogger()
.log(
Level.INFO,
"Adding component {0} to configuration {1}...",
new Object[] {cm.name(), element.name()});
((Configuration) compTest).addComposant(instanciate(cm));
}
addConnectors((Configuration) compTest, (ConfDesc) element); // DONE
addBindings((Configuration) compTest, (ConfDesc) element); // DONE
} else {
throw new ArchitectureException(
"The "
+ element.name()
+ " node is configuration and refers to a simplecomposant.");
}
} else if (compTest instanceof Configuration) {
throw new ArchitectureException(
"The "
+ element.name()
+ " node is simplecomposant and refers to a configuration.");
}
return compTest;
}
} catch (InstantiationException ex) {
Logger.getLogger(SystemManager.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(SystemManager.class.getName()).log(Level.SEVERE, null, ex);
}
} else {
throw new ArchitectureException(
"Only Composant class should be annotated with Component annotation.");
}
}
throw new ArchitectureException("No component found with name " + name);
}
private Method getEntryPoint(Configuration conf, String cRef, String iRef)
throws ArchitectureException {
Composant cmp = getComposant(conf, cRef);
Method ep = cmp.getEntryPoint();
if (ep == null || !Validator.checkEntryPoint(ep)) {
throw new ArchitectureException(
"The composant " + cRef + " should have entry point " + iRef + ".");
} else {
return ep;
}
}
/**
* Vérifie qu'une interface est bien présente dans les interfaces d'un composant.
*
* @param name nom de l'interface dans le xml et l'annotation
* @param intNames noms des classes annotées
* @param comp composant censé contenir l'interface
* @return
* @throws ClassNotFoundException
* @throws InstantiationException
* @throws IllegalAccessException
*/
private boolean isOneOf(String name, Set<String> intNames, Composant comp)
throws ClassNotFoundException, InstantiationException, IllegalAccessException {
for (String intName : intNames) {
Class intC = loader.loadClass(intName);
if (AccessibleObject.class.isAssignableFrom(intC) && Member.class.isAssignableFrom(intC)) {
AccessibleObject member = (AccessibleObject) intC.newInstance();
// Faut check qu'il est bien de la bonne classe
if (((Member) member).getDeclaringClass().equals(comp.getClass())) {
// Faut check que l'annotation a bien pName comme value.
RequiredInterface annotation = member.getAnnotation(RequiredInterface.class);
if (annotation == null) {
ProvidedInterface annotation1 = member.getAnnotation(ProvidedInterface.class);
if (annotation1.value().equals(name)) {
return true;
}
} else {
if (annotation.value().equals(name)) {
return true;
}
}
}
}
}
return false;
}
private AccessibleObject getInterface(
Configuration conf, String cName, String iName, Boolean from) throws ArchitectureException {
Composant cmp = getComposant(conf, cName);
AccessibleObject ao = cmp.getInterfaceForName(iName, from);
if (ao == null) {
throw new ArchitectureException("No field or method for interface " + cName + "." + iName);
}
if (from) {
if (ao instanceof Field) {
if (Validator.checkProvided((Field) ao)) {
return ao;
} else {
throw new ArchitectureException(
"The Field " + ((Field) ao).getName() + " should be public.");
}
} else {
if (Validator.checkProvided((Method) ao)) {
return ao;
} else {
throw new ArchitectureException(
"The Method " + ((Method) ao).getName() + " should be public.");
}
}
} else {
if (ao instanceof Field) {
if (Validator.checkRequired((Field) ao)) {
return ao;
} else {
throw new ArchitectureException(
"The Field " + ((Field) ao).getName() + " should be public.");
}
} else {
if (Validator.checkRequired((Method) ao)) {
return ao;
} else {
throw new ArchitectureException(
"The Method " + ((Method) ao).getName() + " should be public.");
}
}
}
}