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Adjust a compatibility method for speed and probably compatibility.

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This commit is contained in:
asofold 2013-07-16 19:56:06 +02:00
parent 27a063abe8
commit adf9bcb9be
1 changed files with 56 additions and 15 deletions
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71
NCPCommons/src/main/java/fr/neatmonster/nocheatplus/utilities/ReflectionUtil.java
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@ -111,7 +111,61 @@ public class ReflectionUtil {
public static Object invokeMethodNoArgs(final Object obj, final String methodName, final Class<?> ... returnTypePreference){
// TODO: Isn't there a one-line-call for this ??
final Class<?> objClass = obj.getClass();
// Try to get it directly first.
Method methodFound = getMethodNoArgs(objClass, methodName, returnTypePreference);
if (methodFound == null){
// Fall-back to seek it.
methodFound = seekMethodNoArgs(objClass, methodName, returnTypePreference);
}
// Invoke if found.
if (methodFound != null){
try{
final Object res = methodFound.invoke(obj);
return res;
}
catch (Throwable t){
// TODO: Throw something !?
return null;
}
}
else{
// TODO: Throw something !?
return null;
}
}
/**
* Direct getMethod attempt.
* @param objClass
* @param methodName
* @param returnTypePreference
* @return
*/
public static Method getMethodNoArgs(final Class<?> objClass, final String methodName, final Class<?>[] returnTypePreference) {
try {
final Method methodFound = objClass.getMethod(methodName);
if (methodFound != null) {
final Class<?> returnType = methodFound.getReturnType();
for (int i = 0; i < returnTypePreference.length; i++){
if (returnType == returnTypePreference[i]){
return methodFound;
}
}
}
} catch (SecurityException e) {
} catch (NoSuchMethodException e) {
}
return null;
}
/**
* Iterate over all methods, attempt to return best matching return type (earliest in array).
* @param objClass
* @param methodName
* @param returnTypePreference
* @return
*/
public static Method seekMethodNoArgs(final Class<?> objClass, final String methodName, final Class<?>[] returnTypePreference) {
// Collect methods that might work.
Method methodFound = null;
int returnTypeIndex = returnTypePreference.length; // This can be 0 for no preferences given.
@ -148,20 +202,7 @@ public class ReflectionUtil {
}
}
}
if (methodFound != null){
try{
final Object res = methodFound.invoke(obj);
return res;
}
catch (Throwable t){
// TODO: Throw something !?
return null;
}
}
else{
// TODO: Throw something !?
return null;
}
return methodFound;
}
}