private static PathStrategy parsePathStrategy(Context context, String authority)
            throws IOException, XmlPullParserException {
        final SimplePathStrategy strat = new SimplePathStrategy(authority);

        final ProviderInfo info = context.getPackageManager()
                .resolveContentProvider(authority, PackageManager.GET_META_DATA);
        final XmlResourceParser in = info.loadXmlMetaData(
                context.getPackageManager(), META_DATA_FILE_PROVIDER_PATHS);
        if (in == null) {
            throw new IllegalArgumentException(
                    "Missing " + META_DATA_FILE_PROVIDER_PATHS + " meta-data");
        }

        int type;
        while ((type = in.next()) != END_DOCUMENT) {
            if (type == START_TAG) {
                final String tag = in.getName();

                final String name = in.getAttributeValue(null, ATTR_NAME);
                String path = in.getAttributeValue(null, ATTR_PATH);

                File target = null;
                if (TAG_ROOT_PATH.equals(tag)) {
                    target = buildPath(DEVICE_ROOT, path);
                } else if (TAG_FILES_PATH.equals(tag)) {
                    target = buildPath(context.getFilesDir(), path);
                } else if (TAG_CACHE_PATH.equals(tag)) {
                    target = buildPath(context.getCacheDir(), path);
                } else if (TAG_EXTERNAL.equals(tag)) {
                    target = buildPath(Environment.getExternalStorageDirectory(), path);
                }

                if (target != null) {
                    strat.addRoot(name, target);
                }
            }
        }

        return strat;
    }
Parse and return {@link PathStrategy} for given authority as defined in
{@link #META_DATA_FILE_PROVIDER_PATHS} {@code &lt;meta-data>}.

@see #getPathStrategy(Context, String)
replugin-sample/host/app/src/main/java/com/qihoo360/replugin/sample/host/FileProvider.java