From 16c8d3c47ac799ea33ce5252e14ef1aae6dc9a76 Mon Sep 17 00:00:00 2001
From: Priyanka Advani <padvani@google.com>
Date: Thu, 11 Jul 2024 19:59:24 +0000
Subject: [PATCH] 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
---
 .../storage/StorageInternalReader.java        | 75 -------------------
 1 file changed, 75 deletions(-)
 delete mode 100644 tools/aconfig/aconfig_storage_read_api/srcs/android/aconfig/storage/StorageInternalReader.java

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 ddb86dc330..0000000000
--- 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);
-        }
-    }
-}