174 src/ofxAppUpdater.cpp
@@ -0,0 +1,174 @@
/**
* ofxAppUpdater.cpp is developed by Paul Vollmer
* http://www.wng.cc
*
*
* Copyright (c) 2012 Paul Vollmer
*
* ofxAppUpdater.cpp is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* ofxAppUpdater.cpp is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with ofxAppUpdater.cpp; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* @author Paul Vollmer
* @modified 2012.04.04
* @version 0.1.0
*/



#include "ofxAppUpdater.h"
#include "ofxXmlSettings.h"



namespace wng {

/**
* A Constructor, usually called to initialize and start the class.
*/
ofxAppUpdater::ofxAppUpdater(){

/* Set the internetConnection variable to true
* This we need for an automatic update. If you want to manually,
* set the internetConnection variable at setup to false */
internetConnection = true;


#ifdef DEBUG
printf("[ofxAppUpdater] Constructor Ready! \n");
#endif

}





/**
* Load a CSV File.
*
* @param userVer
* User Version.
* @param connection
* internet Connection boolean.
* @param file
* Our update information xml filename.
* @param url
* The url of the server/folder to load the file.
*/
void ofxAppUpdater::init(float userVer, bool connection, string file, string url){

/* Get the Unixtime */
int ut = ofGetUnixTime();

/* Set version variables. */
userVersion = userVer;
internetConnection = connection;

#ifdef DEBUG
printf("[ofxAppUpdater] init() Unixtime: %d \n", ut);
printf(" Internet Connection: %s \n", (internetConnection)?"true":"false");
printf(" User Version: %f \n", userVersion);
cout <<" Filename: " << file << endl;
cout <<" Url: " << url << endl;
#endif


/* if the internetConnection is true, we can check an xml file
* to get the latest version. */
if (internetConnection == true){

/* A path and name for the file we load from server.
* I think we can handle this as an intern variable.*/
string tempFilename = "tempVersion.xml";

/* Copy our version xml file to data folder. */
ofSaveURLTo(url+file, tempFilename);


/* create a new ofxXmlSettings object for reading the saved file. */
ofxXmlSettings xml;

/* we load our xml file
* Examlple from openFrameworks xmlSettingsExample */
if(xml.loadFile(tempFilename)){
#ifdef DEBUG
cout << " XML: File <" << file << "> loaded!" << endl;
#endif

float tempVersion = xml.getValue("VERSIONING:VERSION", 0.0, 0);
string tempModified = xml.getValue("VERSIONING:MODIFIED", "1970.01.01", 0);
string tempAuthor = xml.getValue("VERSIONING:AUTHOR", "wng.cc", 0);
#ifdef DEBUG
cout << " VERSIONING:VERSION = " << tempVersion << endl;
cout << " VERSIONING:MODIFIED = " << tempModified << endl;
cout << " VERSIONING:AUTHOR = " << tempAuthor << endl;
#endif

/* Check the Version numbers if it's true. */
if(checkVersion(userVersion, tempVersion)){

/* Start downloading zip package. */

}

} else {
#ifdef DEBUG
cout << " File not found" << endl;
#endif
}

}

}

/**
* See decription below.
*/
void ofxAppUpdater::init(float userVer, string file, string url){
init(userVer, true, file, url);
}



/**
* checkversion
*
* @param userVer
* Float of the User-Version
* @param latestVer
* Float of the Latest-Version
* @return bool
* true if the Version is the latest.
*/
bool ofxAppUpdater::checkVersion(float userVer, float latestVer){

if (userVer == latestVer) {
#ifdef DEBUG
printf("[ofxUpdater] checkVersion() User-Version: %f Latest-Version: %f \n", userVer, latestVer);
printf(" State: You're running the newest Application Release. \n");
#endif
return true;
} else {
#ifdef DEBUG
printf("[ofxUpdater] checkVersion() User-Version: %f Latest-Version: %f \n", userVer, latestVer);
printf(" State: A new Version is Available. \n");
#endif
return false;
}

}


}
84 src/ofxAppUpdater.h
@@ -0,0 +1,84 @@
/**
* ofxAppUpdater.h is developed by Paul Vollmer
* http://www.wng.cc
*
*
* Copyright (c) 2012 Paul Vollmer
*
* ofxAppUpdater.h is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* ofxAppUpdater.h is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with ofxAppUpdater.h; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* @author Paul Vollmer
* @modified 2012.04.04
* @version 0.1.0
*/



#pragma once

#include <ofMain.h>

#define DEBUG





namespace wng {

class ofxAppUpdater {

public:
/*
* Constructor
*/
ofxAppUpdater();


/*
* Methods
*/
void init(float userVer, bool connection, const string file, string url);
void init(float userVer, string file, string url);
bool checkVersion(float userVer, float newestVer);



/*
* Variables
* Here will be listen all Variables of the ofxUpdater class.
*
*
* Version of User Application
*/
float userVersion;

/* Latest Software Version */
float latestVersion;

/* Trigger your web connection, if bool is true,
* your Application can check the version and
* download automatic if a new release is available. */
bool internetConnection;

/* If the variable is true, the addon start
* downloading zip package. */
bool downloadActive;


};

};