You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

80 lines
2.1 KiB

/*
* Copyright (C) 2010 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.
*/
#ifndef __READ_WRITE_UTILS_H__
#define __READ_WRITE_UTILS_H__
#include <utils/FileMap.h>
#include <drm/drm_framework_common.h>
namespace android {
/**
* This is an utility class which performs IO operations.
*
*/
class ReadWriteUtils {
public:
/**
* Constructor for ReadWriteUtils
*/
ReadWriteUtils() {}
/**
* Destructor for ReadWriteUtils
*/
virtual ~ReadWriteUtils();
public:
/**
* Reads the data from the file path provided
*
* @param[in] filePath Path of the file
* @return Data read from the file
*/
static String8 readBytes(const String8& filePath);
/**
* Reads the data into the given buffer from the file path provided
*
* @param[in] filePath Path of the file
* @param[out] buffer Data read from the file
* @return Length of the data read from the file
*/
static int readBytes(const String8& filePath, char** buffer);
/**
* Writes the data into the file path provided
*
* @param[in] filePath Path of the file
* @param[in] dataBuffer Data to write
*/
static void writeToFile(const String8& filePath, const String8& data);
/**
* Appends the data into the file path provided
*
* @param[in] filePath Path of the file
* @param[in] dataBuffer Data to append
*/
static void appendToFile(const String8& filePath, const String8& data);
private:
FileMap* mFileMap;
};
};
#endif /* __READ_WRITE_UTILS_H__ */