package com.github.lazylibrary.util; /**
* Copyright 2014 Zhenguo Jin (jingle1267@163.com)
*
* 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.
*/
import android.content.Context;
import android.os.Environment;
import android.text.TextUtils;
/**
* 应用数据库导出工具类
*
* @author jingle1267@163.com
*/
public final class DatabaseExportUtils {
private static final boolean DEBUG = true;
private static final String TAG = "DatabaseExportUtils";
/**
* Don't let anyone instantiate this class.
*/
private DatabaseExportUtils() {
throw new Error("Do not need instantiate!");
}
/**
* 开始导出数据 此操作比较耗时,建议在线程中进行
*
* @param context 上下文
* @param targetFile 目标文件
* @param databaseName 要拷贝的数据库文件名
* @return 是否倒出成功
*/
public boolean startExportDatabase(Context context, String targetFile,
String databaseName) {
if (DEBUG) {
}
if (!Environment.MEDIA_MOUNTED.equals(Environment
.getExternalStorageState())) {
if (DEBUG) {
}
return false;
}
String sourceFilePath = Environment.getDataDirectory() + "/data/"
+ context.getPackageName() + "/databases/" + databaseName;
String destFilePath = Environment.getExternalStorageDirectory()
+ (TextUtils.isEmpty(targetFile) ? (context.getPackageName() + ".db")
: targetFile);
boolean isCopySuccess = FileUtils
.copyFile(sourceFilePath, destFilePath);
if (DEBUG) {
if (isCopySuccess) {
} else {
}
}
return isCopySuccess;
}
}