| public java.lang.ClassLoader | getClassLoader(java.lang.String zip, java.lang.String appDataDir, java.lang.ClassLoader parent)
/*
* This is the parent we use if they pass "null" in. In theory
* this should be the "system" class loader; in practice we
* don't use that and can happily (and more efficiently) use the
* bootstrap class loader.
*/
ClassLoader baseParent = ClassLoader.getSystemClassLoader().getParent();
synchronized (mLoaders) {
if (parent == null) {
parent = baseParent;
}
/*
* If we're one step up from the base class loader, find
* something in our cache. Otherwise, we create a whole
* new ClassLoader for the zip archive.
*/
if (parent == baseParent) {
ClassLoader loader = (ClassLoader)mLoaders.get(zip);
if (loader != null) {
return loader;
}
PathClassLoader pathClassloader =
new PathClassLoader(zip, appDataDir + "/lib", parent);
mLoaders.put(zip, pathClassloader);
return pathClassloader;
}
return new PathClassLoader(zip, parent);
}
|
