/**
* Constructs a resource bundle with the supplied jar file.
*
* @param source a file object that references our source jar file.
* @param delay if true, the bundle will wait until someone calls {@link #sourceIsReady} before
* allowing access to its resources.
* @param unpack if true the bundle will unpack itself into a temporary directory
*/
public FileResourceBundle(File source, boolean delay, boolean unpack) {
_source = source;
if (unpack) {
String root = stripSuffix(source.getPath());
_unpacked = new File(root + ".stamp");
_cache = new File(root);
}
if (!delay) {
sourceIsReady();
}
}
/** Creates a ResourceBundle based on the supplied definition information. */
protected ResourceBundle createResourceBundle(
String setType, String path, List<ResourceBundle> dlist) {
if (setType.equals(FILE_SET_TYPE)) {
FileResourceBundle bundle = createFileResourceBundle(getResourceFile(path), true, _unpack);
if (!bundle.isUnpacked() || !bundle.sourceIsReady()) {
dlist.add(bundle);
}
return bundle;
} else if (setType.equals(NETWORK_SET_TYPE)) {
return createNetworkResourceBundle(_networkRootPath, path, getResourceList());
} else {
throw new IllegalArgumentException("Unknown set type: " + setType);
}
}
/**
* Resolve the specified bundle (the bundle file must already exist in the appropriate place on
* the file system) and return it on the specified result listener. Note that the result listener
* may be notified before this method returns on the caller's thread if the bundle is already
* resolved, or it may be notified on a brand new thread if the bundle requires unpacking.
*/
public void resolveBundle(String path, final ResultListener<FileResourceBundle> listener) {
File bfile = getResourceFile(path);
if (bfile == null) {
String errmsg = "ResourceManager not configured with resource directory.";
listener.requestFailed(new IOException(errmsg));
return;
}
final FileResourceBundle bundle = new FileResourceBundle(bfile, true, _unpack);
if (bundle.isUnpacked()) {
if (bundle.sourceIsReady()) {
listener.requestCompleted(bundle);
} else {
String errmsg = "Bundle initialization failed.";
listener.requestFailed(new IOException(errmsg));
}
return;
}
// start a thread to unpack our bundles
ArrayList<ResourceBundle> list = Lists.newArrayList();
list.add(bundle);
Unpacker unpack =
new Unpacker(
list,
new InitObserver() {
public void progress(int percent, long remaining) {
if (percent == 100) {
listener.requestCompleted(bundle);
}
}
public void initializationFailed(Exception e) {
listener.requestFailed(e);
}
});
unpack.start();
}