Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a

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);
+    }
+}