More backup tests (b1a7ffef) · Commits · e / os / android_frameworks_base

api/current.xml

+178 −0

Original line number	Diff line number	Diff line
		@@ -21795,6 +21795,184 @@
		</field>
		</class>
		</package>
		<package name="android.backup"
		>
		<class name="BackupDataOutput"
		extends="java.lang.Object"
		abstract="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<constructor name="BackupDataOutput"
		type="android.backup.BackupDataOutput"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="context" type="android.content.Context">
		</parameter>
		<parameter name="fd" type="java.io.FileDescriptor">
		</parameter>
		</constructor>
		<method name="close"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="flush"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="write"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="buffer" type="byte[]">
		</parameter>
		</method>
		<method name="write"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="oneByte" type="int">
		</parameter>
		</method>
		<method name="write"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="buffer" type="byte[]">
		</parameter>
		<parameter name="offset" type="int">
		</parameter>
		<parameter name="count" type="int">
		</parameter>
		</method>
		<method name="writeKey"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="key" type="java.lang.String">
		</parameter>
		</method>
		</class>
		<class name="FileBackupHelper"
		extends="java.lang.Object"
		abstract="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<constructor name="FileBackupHelper"
		type="android.backup.FileBackupHelper"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</constructor>
		<method name="performBackup"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="true"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="context" type="android.content.Context">
		</parameter>
		<parameter name="oldSnapshot" type="android.os.ParcelFileDescriptor">
		</parameter>
		<parameter name="newSnapshot" type="android.os.ParcelFileDescriptor">
		</parameter>
		<parameter name="data" type="android.backup.BackupDataOutput">
		</parameter>
		<parameter name="files" type="java.lang.String[]">
		</parameter>
		</method>
		</class>
		<class name="SharedPreferencesBackupHelper"
		extends="java.lang.Object"
		abstract="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<constructor name="SharedPreferencesBackupHelper"
		type="android.backup.SharedPreferencesBackupHelper"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</constructor>
		<method name="performBackup"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="true"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="context" type="android.content.Context">
		</parameter>
		<parameter name="oldSnapshot" type="android.os.ParcelFileDescriptor">
		</parameter>
		<parameter name="newSnapshot" type="android.os.ParcelFileDescriptor">
		</parameter>
		<parameter name="data" type="android.backup.BackupDataOutput">
		</parameter>
		<parameter name="prefGroups" type="java.lang.String[]">
		</parameter>
		</method>
		</class>
		</package>
		<package name="android.content"
		>
		<class name="ActivityNotFoundException"

core/java/android/backup/BackupDataOutput.java

0 → 100644

+44 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 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.backup;

		import android.content.Context;

		import java.io.FileDescriptor;

		public class BackupDataOutput {
		/* package */ FileDescriptor fd;

		public static final int OP_UPDATE = 1;
		public static final int OP_DELETE = 2;

		public BackupDataOutput(Context context, FileDescriptor fd) {
		this.fd = fd;
		}

		public void close() {
		// do we close the fd?
		}
		public native void flush();
		public native void write(byte[] buffer);
		public native void write(int oneByte);
		public native void write(byte[] buffer, int offset, int count);

		public native void writeOperation(int op);
		public native void writeKey(String key);
		}

core/java/android/backup/FileBackupHelper.java

0 → 100644

+68 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 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.backup;

		import android.content.Context;
		import android.os.ParcelFileDescriptor;

		import java.io.FileDescriptor;

		public class FileBackupHelper {
		/**
		* Based on oldSnapshot, determine which of the files from the application's data directory
		* need to be backed up, write them to the data stream, and fill in newSnapshot with the
		* state as it exists now.
		*/
		public static void performBackup(Context context,
		ParcelFileDescriptor oldSnapshot, ParcelFileDescriptor newSnapshot,
		BackupDataOutput data, String[] files) {
		String basePath = context.getFilesDir().getAbsolutePath();
		performBackup_checked(basePath, oldSnapshot, newSnapshot, data, files);
		}

		/**
		* Check the parameters so the native code doens't have to throw all the exceptions
		* since it's easier to do that from java.
		*/
		static void performBackup_checked(String basePath,
		ParcelFileDescriptor oldSnapshot, ParcelFileDescriptor newSnapshot,
		BackupDataOutput data, String[] files) {
		if (newSnapshot == null) {
		throw new NullPointerException("newSnapshot==null");
		}
		if (data == null) {
		throw new NullPointerException("data==null");
		}
		if (data.fd == null) {
		throw new NullPointerException("data.fd==null");
		}
		if (files == null) {
		throw new NullPointerException("files==null");
		}

		int err = performBackup_native(basePath, oldSnapshot.getFileDescriptor(),
		newSnapshot.getFileDescriptor(), data.fd, files);

		if (err != 0) {
		throw new RuntimeException("Backup failed"); // TODO: more here
		}
		}

		native private static int performBackup_native(String basePath,
		FileDescriptor oldSnapshot, FileDescriptor newSnapshot,
		FileDescriptor data, String[] files);
		}

core/java/android/backup/SharedPreferencesBackupHelper.java

0 → 100644

+40 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 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.backup;

		import android.content.Context;
		import android.os.ParcelFileDescriptor;

		import java.io.FileDescriptor;

		public class SharedPreferencesBackupHelper {
		public static void performBackup(Context context,
		ParcelFileDescriptor oldSnapshot, ParcelFileDescriptor newSnapshot,
		BackupDataOutput data, String[] prefGroups) {
		String basePath = "/xxx"; //context.getPreferencesDir();

		// make filenames for the prefGroups
		final int N = prefGroups.length;
		String[] files = new String[N];
		for (int i=0; i<N; i++) {
		files[i] = prefGroups[i] + ".xml";
		}

		FileBackupHelper.performBackup_checked(basePath, oldSnapshot, newSnapshot, data, files);
		}
		}

core/jni/Android.mk

+2 −1

Original line number	Diff line number	Diff line
		@@ -116,7 +116,8 @@ LOCAL_SRC_FILES:= \
		android_ddm_DdmHandleNativeHeap.cpp \
		android_location_GpsLocationProvider.cpp \
		com_android_internal_os_ZygoteInit.cpp \
		com_android_internal_graphics_NativeUtils.cpp
		com_android_internal_graphics_NativeUtils.cpp \
		android_backup_FileBackupHelper.cpp

		LOCAL_C_INCLUDES += \
		$(JNI_H_INCLUDE) \