/*
* This method returns null if this or its parent class pool does
* not contain a CtClass object with the class name.
*
* @see checkNotFrozen(String)
*/
CtClass checkNotExists(String classname) {
CtClass clazz = getCached(classname);
if (clazz == null)
if (!childFirstLookup && parent != null) {
try {
clazz = parent.get0(classname, true);
} catch (NotFoundException e) {
}
}
return clazz;
}
/*
* Is invoked by CtClassType.setName() and methods in this class.
* This method throws an exception if the class is already frozen or
* if this class pool cannot edit the class since it is in a parent
* class pool.
*
* @see checkNotExists(String)
*/
void checkNotFrozen(String classname) throws RuntimeException {
CtClass clazz = getCached(classname);
if (clazz == null) {
if (!childFirstLookup && parent != null) {
try {
clazz = parent.get0(classname, true);
} catch (NotFoundException e) {
}
if (clazz != null)
throw new RuntimeException(classname + " is in a parent ClassPool. Use the parent.");
}
} else if (clazz.isFrozen())
throw new RuntimeException(classname + ": frozen class (cannot edit)");
}
/**
* @param useCache false if the cached CtClass must be ignored.
* @param searchParent false if the parent class pool is not searched.
* @return null if the class could not be found.
*/
protected synchronized CtClass get0(String classname, boolean useCache) throws NotFoundException {
CtClass clazz = null;
if (useCache) {
clazz = getCached(classname);
if (clazz != null) return clazz;
}
if (!childFirstLookup && parent != null) {
clazz = parent.get0(classname, useCache);
if (clazz != null) return clazz;
}
clazz = createCtClass(classname, useCache);
if (clazz != null) {
// clazz.getName() != classname if classname is "[L<name>;".
if (useCache) cacheCtClass(clazz.getName(), clazz, false);
return clazz;
}
if (childFirstLookup && parent != null) clazz = parent.get0(classname, useCache);
return clazz;
}
