Implement storage files in Java (af8a16ad) · Commits · e / os / android_build

tools/aconfig/TEST_MAPPING

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		@@ -98,6 +98,10 @@
		{
		// aconfig_storage file cpp integration tests
		"name": "aconfig_storage_file.test.cpp"
		},
		{
		// aconfig_storage file java integration tests
		"name": "aconfig_storage_file.test.java"
		}
		],
		"postsubmit": [

+9 −0

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		@@ -137,3 +137,12 @@ cc_library {
		min_sdk_version: "29",
		double_loadable: true,
		}

		// storage file parse api java cc_library
		java_library {
		name: "aconfig_storage_file_java",
		srcs: [
		"srcs/*/.java",
		],
		sdk_version: "core_current",
		}
		No newline at end of file

0 → 100644

+27 −0

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		/*
		* 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 AconfigStorageException extends RuntimeException {
		public AconfigStorageException(String msg) {
		super(msg);
		}

		public AconfigStorageException(String msg, Throwable cause) {
		super(msg, cause);
		}
		}

0 → 100644

+54 −0

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		/*
		* 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;

		import java.nio.ByteBuffer;
		import java.nio.ByteOrder;
		import java.nio.charset.StandardCharsets;

		public class ByteBufferReader {

		private ByteBuffer mByteBuffer;

		public ByteBufferReader(ByteBuffer byteBuffer) {
		this.mByteBuffer = byteBuffer;
		this.mByteBuffer.order(ByteOrder.LITTLE_ENDIAN);
		}

		public int readByte() {
		return Byte.toUnsignedInt(mByteBuffer.get());
		}

		public int readShort() {
		return Short.toUnsignedInt(mByteBuffer.getShort());
		}

		public int readInt() {
		return this.mByteBuffer.getInt();
		}

		public String readString() {
		int length = readInt();
		byte[] bytes = new byte[length];
		mByteBuffer.get(bytes, 0, length);
		return new String(bytes, StandardCharsets.UTF_8);
		}

		public void position(int newPosition) {
		mByteBuffer.position(newPosition);
		}
		}

0 → 100644

+45 −0

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		/*
		* 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 enum FileType {
		PACKAGE_MAP(0),
		FLAG_MAP(1),
		FLAG_VAL(2),
		FLAG_INFO(3);

		public final int type;

		FileType(int type) {
		this.type = type;
		}

		public static FileType fromInt(int index) {
		switch (index) {
		case 0:
		return PACKAGE_MAP;
		case 1:
		return FLAG_MAP;
		case 2:
		return FLAG_VAL;
		case 3:
		return FLAG_INFO;
		default:
		return null;
		}
		}
		}