Android Open Source - TwentyEightForAndroid raupdate

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 *                                                                             *
 * Twenty-Eight for Android is port of popular Asian card game called Rosanne: *
 * Twenty-eight (28) <http://sourceforge.net/projects/rosanne/>. Project       *
 * development is done as NBU Java training course held in Sofia, Bulgaria.    *
 *                                                                             *
 * Copyright (C) 2013-2014 by Todor Balabanov  ( tdb@tbsoft.eu )               *
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU General Public License as published by        *
 * the Free Software Foundation, either version 3 of the License, or           *
 * (at your option) any later version.                                         *
 *                                                                             *
 * This program 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 General Public License for more details.                                *
 *                                                                             *
 * You should have received a copy of the GNU General Public License           *
 * along with this program. If not, see <http://www.gnu.org/licenses/>.        *
 *                                                                             *
 ******************************************************************************/
//from w w w  .  ja  v a2 s. c o m
package eu.veldsoft.twenty.eight.ra;

//#ifndef _RAUPDATE_H_
//#define _RAUPDATE_H_

//#include "ra/racommon.h"
//#include "ra/raevents.h"
//#include "wx/thread.h"
////#include "wx/filesys.h"
////#include "wx/fs_inet.h"
//#include "wx/protocol/http.h"
//#include "wx/url.h"


class raUpdate : public wxThread
{
public:
  raUpdate();
  virtual void* Entry();
private:
  //String m_new_ver;
  //wxFSFile *m_f;
  //wxFileSystem *m_fs;
  int CheckForUpdate(String *new_ver = null);
  // Disallow copy constructor/assignment operators
  raUpdate(final raUpdate &);
    raUpdate & operator=(final raUpdate &);

};

//#endif


//




//




//



//#include "ra/raupdate.h"

raUpdate.raUpdate()
{
}
void* raUpdate.Entry()
{
  int ret_val;
  String new_var;
  String msg;

  new_var = ("");

  ret_val = CheckForUpdate(&new_var);
  assert(ret_val <= 2);

  if(ret_val < 0)
  {
    wxLogError(String.Format(("addr.GetError() returned error. %s:%d"), (__FILE__), __LINE__));
  }
  else if(ret_val == 0)
  {
    wxLogMessage(("Check for update done successfully"));
  }
  else if(ret_val > 0)
  {
    msg = ("");
    msg.Append(("A new version "));
    if(!new_var.IsEmpty())
    {
      msg.Append(new_var);
      msg.Append((" "));
    }
    msg.Append(("is available"));
    msg.Append(("."));
    msg.Append(("\n"));
    msg.Append(("Please download from "));
    msg.Append(ra_APP_URL);
    msg.Append(("."));
    //wxMessageBox(msg, ("Update"));

    wxFrame *main_frame;
    main_frame = null;
    main_frame = (wxFrame *)wxTheApp.GetTopWindow();
    if(main_frame)
    {
      raUpdateEvent update_event;
      update_event.SetMessage(msg);
      wxLogMessage(update_event.GetMessage());
      main_frame.GetEventHandler().AddPendingEvent(update_event);
    }
    else
    {
      wxLogError(String.Format(("main_frame is null. %s:%d"), (__FILE__), __LINE__));
    }
  }

  return null;
}

int raUpdate.CheckForUpdate(String *new_ver)
{
  size_t size;
  wxChar *data = null;
  wxInputStream *in;
  String *str;
  wxURL addr(raUPDATE_URL);
  wxHTTP *http;
  wxURLError err;
  int pipe_pos;
  String temp;

  err = addr.GetError();
  if ( err != wxURL_NOERR )
  {
    wxLogError(String.Format(("addr.GetError() returned error. %s:%d"), (__FILE__), __LINE__));
    return -1;
  }

  http = wxDynamicCast ( &addr.GetProtocol(), wxHTTP );
  if ( http )
  {
    //http.SetHeader ( ("User-agent"),
    //  ("Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.8) Gecko/20050511 Firefox/1.0.4") );
    //http.SetHeader ( ("Accept"), ("*/*") );
    //http.SetHeader ( ("Accept-Encoding"), ("gzip,deflate" ) );
    //http.SetHeader ( ("Accept-Language"), ("en") );
    //http.SetHeader ( ("Accept-Charset"), ("ISO-8859-1,utf-8;q=0.7,*;q=0.7") );
    http.SetHeader ( ("Pragma"), ("no-cache") );
  }
  in = addr.GetInputStream();
  if(!in)
  {
    wxLogError(String.Format(("Attempt to read from wxInputStream failed. %s:%d"), (__FILE__), __LINE__));
    return -1;
  }
  size = in.GetSize();

  data = new wxChar[size + 1];
  if(!data)
  {
    wxLogError(String.Format(("Attempt allocate memory for data. %s:%d"), (__FILE__), __LINE__));
    return -1;
  }
  if (!in.Read(data, size))
  {
    if(data)
      delete [] data;

    wxLogError(String.Format(("Attempt to read from wxInputStream failed. %s:%d"), (__FILE__), __LINE__));
    return -1;
  }
  else
  {
    delete in;

    data[size] = '\0';
    str = new String(data);

    if(data)
      delete [] data;

    // Get the version of the version information
    // This is the first field in the pipe delimited input
    pipe_pos = str.Find('|');
    if(pipe_pos == -1)
    {
      wxLogError(String.Format(("str.Find failed. %s:%d"), (__FILE__), __LINE__));
      delete str;
      return -1;
    }

    temp = str.Left(pipe_pos);
    if(temp.IsEmpty())
    {
      wxLogError(String.Format(("Empty version or version information. %s:%d"), (__FILE__), __LINE__));
      delete str;
      return -1;
    }

    // Check if the obtained version of version information is
    // compatible with this class
    if(temp.CmpNoCase(raUPDATE_VER))
    {
      wxLogDebug(temp);
      wxLogDebug(raUPDATE_VER);
      if(new_ver)
        *new_ver = ("");
      delete str;
      return 2;
    }

    temp = str.Mid(pipe_pos + 1);
    temp.Trim();
    // Check whether the versions are different
    if(temp.CmpNoCase(RA_APP_FULL_VER))
    {
      wxLogDebug(temp);
      wxLogDebug(RA_APP_FULL_VER);
      if(new_ver)
        *new_ver = temp;
      delete str;
      return 1;
    }
    delete str;
  }

  return 0;
}

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