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Diffstat (limited to 'plugins/cordova-plugin-file/src/android/AssetFilesystem.java')
-rw-r--r--plugins/cordova-plugin-file/src/android/AssetFilesystem.java283
1 files changed, 0 insertions, 283 deletions
diff --git a/plugins/cordova-plugin-file/src/android/AssetFilesystem.java b/plugins/cordova-plugin-file/src/android/AssetFilesystem.java
deleted file mode 100644
index f501b279..00000000
--- a/plugins/cordova-plugin-file/src/android/AssetFilesystem.java
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements. See the NOTICE file
- distributed with this work for additional information
- regarding copyright ownership. The ASF licenses this file
- to you under the Apache License, Version 2.0 (the
- "License"); you may not use this file except in compliance
- with the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing,
- software distributed under the License is distributed on an
- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- KIND, either express or implied. See the License for the
- specific language governing permissions and limitations
- under the License.
- */
-package org.apache.cordova.file;
-
-import android.content.res.AssetManager;
-import android.net.Uri;
-import android.util.Log;
-
-import org.apache.cordova.CordovaResourceApi;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.util.HashMap;
-import java.util.Map;
-
-public class AssetFilesystem extends Filesystem {
-
- private final AssetManager assetManager;
-
- // A custom gradle hook creates the cdvasset.manifest file, which speeds up asset listing a tonne.
- // See: http://stackoverflow.com/questions/16911558/android-assetmanager-list-incredibly-slow
- private static Object listCacheLock = new Object();
- private static boolean listCacheFromFile;
- private static Map<String, String[]> listCache;
- private static Map<String, Long> lengthCache;
-
- private void lazyInitCaches() {
- synchronized (listCacheLock) {
- if (listCache == null) {
- ObjectInputStream ois = null;
- try {
- ois = new ObjectInputStream(assetManager.open("cdvasset.manifest"));
- listCache = (Map<String, String[]>) ois.readObject();
- lengthCache = (Map<String, Long>) ois.readObject();
- listCacheFromFile = true;
- } catch (ClassNotFoundException e) {
- e.printStackTrace();
- } catch (IOException e) {
- // Asset manifest won't exist if the gradle hook isn't set up correctly.
- } finally {
- if (ois != null) {
- try {
- ois.close();
- } catch (IOException e) {
- }
- }
- }
- if (listCache == null) {
- Log.w("AssetFilesystem", "Asset manifest not found. Recursive copies and directory listing will be slow.");
- listCache = new HashMap<String, String[]>();
- }
- }
- }
- }
-
- private String[] listAssets(String assetPath) throws IOException {
- if (assetPath.startsWith("/")) {
- assetPath = assetPath.substring(1);
- }
- lazyInitCaches();
- String[] ret = listCache.get(assetPath);
- if (ret == null) {
- if (listCacheFromFile) {
- ret = new String[0];
- } else {
- ret = assetManager.list(assetPath);
- listCache.put(assetPath, ret);
- }
- }
- return ret;
- }
-
- private long getAssetSize(String assetPath) throws FileNotFoundException {
- if (assetPath.startsWith("/")) {
- assetPath = assetPath.substring(1);
- }
- lazyInitCaches();
- if (lengthCache != null) {
- Long ret = lengthCache.get(assetPath);
- if (ret == null) {
- throw new FileNotFoundException("Asset not found: " + assetPath);
- }
- return ret;
- }
- CordovaResourceApi.OpenForReadResult offr = null;
- try {
- offr = resourceApi.openForRead(nativeUriForFullPath(assetPath));
- long length = offr.length;
- if (length < 0) {
- // available() doesn't always yield the file size, but for assets it does.
- length = offr.inputStream.available();
- }
- return length;
- } catch (IOException e) {
- throw new FileNotFoundException("File not found: " + assetPath);
- } finally {
- if (offr != null) {
- try {
- offr.inputStream.close();
- } catch (IOException e) {
- }
- }
- }
- }
-
- public AssetFilesystem(AssetManager assetManager, CordovaResourceApi resourceApi) {
- super(Uri.parse("file:///android_asset/"), "assets", resourceApi);
- this.assetManager = assetManager;
- }
-
- @Override
- public Uri toNativeUri(LocalFilesystemURL inputURL) {
- return nativeUriForFullPath(inputURL.path);
- }
-
- @Override
- public LocalFilesystemURL toLocalUri(Uri inputURL) {
- if (!"file".equals(inputURL.getScheme())) {
- return null;
- }
- File f = new File(inputURL.getPath());
- // Removes and duplicate /s (e.g. file:///a//b/c)
- Uri resolvedUri = Uri.fromFile(f);
- String rootUriNoTrailingSlash = rootUri.getEncodedPath();
- rootUriNoTrailingSlash = rootUriNoTrailingSlash.substring(0, rootUriNoTrailingSlash.length() - 1);
- if (!resolvedUri.getEncodedPath().startsWith(rootUriNoTrailingSlash)) {
- return null;
- }
- String subPath = resolvedUri.getEncodedPath().substring(rootUriNoTrailingSlash.length());
- // Strip leading slash
- if (!subPath.isEmpty()) {
- subPath = subPath.substring(1);
- }
- Uri.Builder b = new Uri.Builder()
- .scheme(LocalFilesystemURL.FILESYSTEM_PROTOCOL)
- .authority("localhost")
- .path(name);
- if (!subPath.isEmpty()) {
- b.appendEncodedPath(subPath);
- }
- if (isDirectory(subPath) || inputURL.getPath().endsWith("/")) {
- // Add trailing / for directories.
- b.appendEncodedPath("");
- }
- return LocalFilesystemURL.parse(b.build());
- }
-
- private boolean isDirectory(String assetPath) {
- try {
- return listAssets(assetPath).length != 0;
- } catch (IOException e) {
- return false;
- }
- }
-
- @Override
- public LocalFilesystemURL[] listChildren(LocalFilesystemURL inputURL) throws FileNotFoundException {
- String pathNoSlashes = inputURL.path.substring(1);
- if (pathNoSlashes.endsWith("/")) {
- pathNoSlashes = pathNoSlashes.substring(0, pathNoSlashes.length() - 1);
- }
-
- String[] files;
- try {
- files = listAssets(pathNoSlashes);
- } catch (IOException e) {
- throw new FileNotFoundException();
- }
-
- LocalFilesystemURL[] entries = new LocalFilesystemURL[files.length];
- for (int i = 0; i < files.length; ++i) {
- entries[i] = localUrlforFullPath(new File(inputURL.path, files[i]).getPath());
- }
- return entries;
- }
-
- @Override
- public JSONObject getFileForLocalURL(LocalFilesystemURL inputURL,
- String path, JSONObject options, boolean directory)
- throws FileExistsException, IOException, TypeMismatchException, EncodingException, JSONException {
- if (options != null && options.optBoolean("create")) {
- throw new UnsupportedOperationException("Assets are read-only");
- }
-
- // Check whether the supplied path is absolute or relative
- if (directory && !path.endsWith("/")) {
- path += "/";
- }
-
- LocalFilesystemURL requestedURL;
- if (path.startsWith("/")) {
- requestedURL = localUrlforFullPath(normalizePath(path));
- } else {
- requestedURL = localUrlforFullPath(normalizePath(inputURL.path + "/" + path));
- }
-
- // Throws a FileNotFoundException if it doesn't exist.
- getFileMetadataForLocalURL(requestedURL);
-
- boolean isDir = isDirectory(requestedURL.path);
- if (directory && !isDir) {
- throw new TypeMismatchException("path doesn't exist or is file");
- } else if (!directory && isDir) {
- throw new TypeMismatchException("path doesn't exist or is directory");
- }
-
- // Return the directory
- return makeEntryForURL(requestedURL);
- }
-
- @Override
- public JSONObject getFileMetadataForLocalURL(LocalFilesystemURL inputURL) throws FileNotFoundException {
- JSONObject metadata = new JSONObject();
- long size = inputURL.isDirectory ? 0 : getAssetSize(inputURL.path);
- try {
- metadata.put("size", size);
- metadata.put("type", inputURL.isDirectory ? "text/directory" : resourceApi.getMimeType(toNativeUri(inputURL)));
- metadata.put("name", new File(inputURL.path).getName());
- metadata.put("fullPath", inputURL.path);
- metadata.put("lastModifiedDate", 0);
- } catch (JSONException e) {
- return null;
- }
- return metadata;
- }
-
- @Override
- public boolean canRemoveFileAtLocalURL(LocalFilesystemURL inputURL) {
- return false;
- }
-
- @Override
- long writeToFileAtURL(LocalFilesystemURL inputURL, String data, int offset, boolean isBinary) throws NoModificationAllowedException, IOException {
- throw new NoModificationAllowedException("Assets are read-only");
- }
-
- @Override
- long truncateFileAtURL(LocalFilesystemURL inputURL, long size) throws IOException, NoModificationAllowedException {
- throw new NoModificationAllowedException("Assets are read-only");
- }
-
- @Override
- String filesystemPathForURL(LocalFilesystemURL url) {
- return null;
- }
-
- @Override
- LocalFilesystemURL URLforFilesystemPath(String path) {
- return null;
- }
-
- @Override
- boolean removeFileAtLocalURL(LocalFilesystemURL inputURL) throws InvalidModificationException, NoModificationAllowedException {
- throw new NoModificationAllowedException("Assets are read-only");
- }
-
- @Override
- boolean recursiveRemoveFileAtLocalURL(LocalFilesystemURL inputURL) throws NoModificationAllowedException {
- throw new NoModificationAllowedException("Assets are read-only");
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-06 14:26:59 +0000