/**
* check whether a class should not be considered for transformation
*
* @param clazz the class to check
* @return true if clazz should not be considered for transformation otherwise false
*/
protected boolean isSkipClass(Class<?> clazz) {
if (!inst.isModifiableClass(clazz)) {
return true;
}
// we can safely skip array classes, interfaces and primitive classes
if (clazz.isArray()) {
return true;
}
if (clazz.isInterface()) {
return true;
}
if (clazz.isPrimitive()) {
return true;
}
String name = clazz.getName();
if (isBytemanClass(name) || !isTransformable(name)) {
return true;
}
return false;
}
/**
* use the supplied bytes to define a class and try creating an instance via the empty
* constructor printing details of any errors which occur
*
* @param classname
* @param protectionDomain
* @param bytes
* @return the bytes if all goes well otherwise null
*/
public byte[] verify(String classname, ProtectionDomain protectionDomain, byte[] bytes) {
try {
Class clazz = super.defineClass(classname, bytes, 0, bytes.length, protectionDomain);
clazz.newInstance();
} catch (Throwable th) {
System.out.println("Transformer:verifyTransformedBytes " + th);
return null;
}
return bytes;
}
private boolean isTransformed(Class clazz, String name, boolean isInterface) {
if (isBytemanClass(name) || !isTransformable(name)) {
return false;
}
boolean found = false;
List<RuleScript> scripts;
if (isInterface) {
scripts = scriptRepository.scriptsForInterfaceName(name);
} else {
scripts = scriptRepository.scriptsForClassName(name);
}
if (scripts != null) {
for (RuleScript script : scripts) {
if (!script.hasTransform(clazz)) {
found = true;
if (isVerbose()) {
System.out.println("Retransforming loaded bootstrap class " + clazz.getName());
}
break;
}
}
}
return found;
}