Revert "add storage java internal reader"
This reverts commit 70b9ac0dddf5d48a087f0e5ec7d19d19463dd8c8.
Reason for revert: Droidmonitor created revert due to build breakages in b/352582602.
Change-Id: I8a8e38ccf3e715e9b4746ac333aed0cc13d11969
diff --git a/tools/aconfig/aconfig_storage_read_api/srcs/android/aconfig/storage/StorageInternalReader.java b/tools/aconfig/aconfig_storage_read_api/srcs/android/aconfig/storage/StorageInternalReader.java
deleted file mode 100644
index ddb86dc..0000000
--- a/tools/aconfig/aconfig_storage_read_api/srcs/android/aconfig/storage/StorageInternalReader.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * Licensed 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 android.aconfig.storage;
-
-public class StorageInternalReader {
-
- private static final String MAP_PATH = "/metadata/aconfig/maps/";
- private static final String BOOT_PATH = "/metadata/aconfig/boot/";
-
- private PackageTable mPackageTable;
- private FlagValueList mFlagValueList;
-
- private int mPackageBooleanStartOffset;
-
- public StorageInternalReader(String container, String packageName) {
- this(container, packageName, MAP_PATH, BOOT_PATH);
- }
-
- public StorageInternalReader(
- String container, String packageName, String mapPath, String bootPath) {
-
- String packageMapFile = mapPath + container + ".package.map";
- String flagValueFile = bootPath + container + ".val";
-
- mPackageTable = PackageTable.fromBytes(mapStorageFile(packageMapFile));
- mFlagValueList = FlagValueList.fromBytes(mapStorageFile(flagValueFile));
- mPackageBooleanStartOffset = getPackageBooleanStartOffset(packageName);
- }
-
- public boolean getBooleanFlagValue(int index) {
- index += mPackageBooleanStartOffset;
- if (index >= mFlagValueList.size()) {
- throw new AconfigStorageException("Fail to get boolean flag value");
- }
- return mFlagValueList.get(index);
- }
-
- private int getPackageBooleanStartOffset(String packageName) {
- PackageTable.Node pNode = mPackageTable.get(packageName);
- if (pNode == null) {
- PackageTable.Header header = mPackageTable.getHeader();
- throw new AconfigStorageException(
- String.format(
- "Fail to get package %s from container %s",
- packageName, header.getContainer()));
- }
- return pNode.getBooleanStartIndex();
- }
-
- // Map a storage file given file path
- private static MappedByteBuffer mapStorageFile(String file) {
- try {
- FileInputStream stream = new FileInputStream(file);
- FileChannel channel = stream.getChannel();
- return channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size());
- } catch (IOException e) {
- throw new AconfigStorageException(
- String.format("Fail to mmap storage file %s", file), e);
- }
- }
-}