diff options
Diffstat (limited to 'src/com/android/messaging/datamodel/action/DumpDatabaseAction.java')
-rw-r--r-- | src/com/android/messaging/datamodel/action/DumpDatabaseAction.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java b/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java new file mode 100644 index 0000000..ab320bf --- /dev/null +++ b/src/com/android/messaging/datamodel/action/DumpDatabaseAction.java @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2015 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 com.android.messaging.datamodel.action; + +import android.content.Context; +import android.os.Parcel; +import android.os.Parcelable; + +import com.android.messaging.Factory; +import com.android.messaging.datamodel.DatabaseHelper; +import com.android.messaging.util.DebugUtils; +import com.android.messaging.util.LogUtil; + +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; + +public class DumpDatabaseAction extends Action implements Parcelable { + private static final String TAG = LogUtil.BUGLE_DATAMODEL_TAG; + public static final String DUMP_NAME = "db_copy.db"; + private static final int BUFFER_SIZE = 16384; + + /** + * Copy the database to external storage + */ + public static void dumpDatabase() { + final DumpDatabaseAction action = new DumpDatabaseAction(); + action.start(); + } + + private DumpDatabaseAction() { + } + + @Override + protected Object executeAction() { + final Context context = Factory.get().getApplicationContext(); + final String dbName = DatabaseHelper.DATABASE_NAME; + BufferedOutputStream bos = null; + BufferedInputStream bis = null; + + long originalSize = 0; + final File inFile = context.getDatabasePath(dbName); + if (inFile.exists() && inFile.isFile()) { + originalSize = inFile.length(); + } + final File outFile = DebugUtils.getDebugFile(DUMP_NAME, true); + if (outFile != null) { + int totalBytes = 0; + try { + bos = new BufferedOutputStream(new FileOutputStream(outFile)); + bis = new BufferedInputStream(new FileInputStream(inFile)); + + final byte[] buffer = new byte[BUFFER_SIZE]; + int bytesRead; + while ((bytesRead = bis.read(buffer)) > 0) { + bos.write(buffer, 0, bytesRead); + totalBytes += bytesRead; + } + } catch (final IOException e) { + LogUtil.w(TAG, "Exception copying the database;" + + " destination may not be complete.", e); + } finally { + if (bos != null) { + try { + bos.close(); + } catch (final IOException e) { + // Nothing to do + } + } + + if (bis != null) { + try { + bis.close(); + } catch (final IOException e) { + // Nothing to do + } + } + DebugUtils.ensureReadable(outFile); + LogUtil.i(TAG, "Dump complete; orig size: " + originalSize + + ", copy size: " + totalBytes); + } + } + return null; + } + + private DumpDatabaseAction(final Parcel in) { + super(in); + } + + public static final Parcelable.Creator<DumpDatabaseAction> CREATOR + = new Parcelable.Creator<DumpDatabaseAction>() { + @Override + public DumpDatabaseAction createFromParcel(final Parcel in) { + return new DumpDatabaseAction(in); + } + + @Override + public DumpDatabaseAction[] newArray(final int size) { + return new DumpDatabaseAction[size]; + } + }; + + @Override + public void writeToParcel(final Parcel parcel, final int flags) { + writeActionToParcel(parcel, flags); + } +} |