File.h

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/*
 * File.h
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 *
 * 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 IBRCOMMON_FILE_H_
#define IBRCOMMON_FILE_H_

//#define USE_FILE_LOCKING 1

#include <iostream>
#include <map>
#include <vector>
#include <list>
#include <dirent.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "ibrcommon/Exceptions.h"

using namespace std;

namespace ibrcommon
{
        class File
        {
        public:
                File();

                File(const std::string &path);

                virtual ~File();

                unsigned char getType() const;

                int getFiles(std::list<File> &files) const;

                bool isRoot() const;

                bool isSystem() const;

                bool isDirectory() const;

                std::string getPath() const;

                std::string getBasename() const;

                virtual int remove(bool recursive = false);

                File get(const std::string &filename) const;

                File getParent() const;

                virtual bool exists() const;

                virtual void update();

                virtual size_t size() const;

                virtual time_t lastaccess() const;

                virtual time_t lastmodify() const;

                virtual time_t laststatchange() const;

                static void createDirectory(File &path);

                bool operator==(const ibrcommon::File &other) const;
                bool operator<(const ibrcommon::File &other) const;

        protected:
                File(const std::string &path, const unsigned char t);
                unsigned char _type;

        private:
                void resolveAbsolutePath();
                void removeSlash();
                std::string _path;
        };

        class FileNotExistsException : public ibrcommon::IOException
        {
        public:
                FileNotExistsException(ibrcommon::File f) throw() : IOException("The file " + f.getPath() + " does not exists.")
                {
                };
        };

        class TemporaryFile : public File
        {
        public:
                TemporaryFile(const File &path, const std::string prefix = "file");
                virtual ~TemporaryFile();

        private:
                static std::string tmpname(const File &path, const std::string prefix);
        };
}

#endif /* FILE_H_ */