RMI.rar_distributed system_operating system

import java.io.*; import java.net.*; import java.awt.*; import java.util.*; import java.util.Date.*; import java.lang.*; import java.lang.Object.*; import java.rmi.*; import java.rmi.server.UnicastRemoteObject; public class server extends UnicastRemoteObject implements simple { String[] voters=new String[1000]; int[] voters_vote = new int[1000]; String[] candidates=new String[10]; String[] idea=new String[10]; int[] kommata=new int[10]; int[] candidates_votes=new int[10]; int candidates_num=0,voters_num=0,POS,total_votes=0,kommata_num=0; private int compare(String tr,String te) { int i=0,n1,n2,j; if(tr==null || te==null) return 0; n1=tr.length(); n2=te.length(); if(n1!=n2) return 0; for(j=0;j<n1;j++) if(tr.charAt(j)!=te.charAt(j)) break; if(j==n1) return 1; return 0; } public void add_kommata(String komma) { int i; for(i=0;i<kommata_num;i++) if(compare(komma,idea[i])==1) return; idea[kommata_num]=komma; kommata[kommata_num]=0; kommata_num++; } public void kommata_votes(String komma) { int i; for(i=0;i<kommata_num;i++) if(compare(komma,idea[i])==1) { kommata[i]++; return; } return; } public void write_logfiles(String person,String logfile) { FileReader tmp2 =null; BufferedReader tmp2_buff =null; File tmp_voters = null; FileWriter writer_voters = null; File tmp = null; FileWriter tmp_writer = null; FileReader voters_log = null; BufferedReader voters_buff = null; boolean eof = false; try { tmp = new File("tmp"); tmp_writer = new FileWriter(tmp); voters_log = new FileReader(logfile); voters_buff = new BufferedReader(voters_log); eof = false; while(!eof) { String line = voters_buff.readLine(); if(line==null) eof = true; else { tmp_writer.write(line); tmp_writer.write("\n"); } } tmp_writer.close(); voters_buff.close(); } catch (Exception e1) { System.out.println(e1.toString()); } try { tmp2 = new FileReader("tmp"); tmp2_buff = new BufferedReader(tmp2); tmp_voters = new File(logfile); writer_voters = new FileWriter(tmp_voters); } catch (Exception e2) { System.out.println(e2.toString()); } try { writer_voters.write(person); writer_voters.write("\n"); eof = false; while(!eof) { String line = tmp2_buff.readLine(); if(line==null) eof = true; else { writer_voters.write(line); writer_voters.write("\n"); } } writer_voters.write("\n"); writer_voters.close(); tmp2_buff.close(); }catch (IOException e) { System.out.println("Cannot to file log " + e.toString()); } } public void restorelogfiles() { FileReader tmp1=null,tmp2 = null; BufferedReader voters_logs=null,candidates_logs = null; int i; System.out.println("Candidates " + candidates_num); try { tmp1 = new FileReader("voters_log"); voters_logs = new BufferedReader(tmp1); boolean eof = false; while(!eof) { String line = voters_logs.readLine(); if(line==null) eof = true; else { for(i=0;i<voters_num;i++) if(compare(voters[i],line)==1) { voters_vote[i]=1; } } } voters_logs.close(); } catch (Exception e) { System.out.println(""); } try { tmp2 = new FileReader("candidates_log"); candidates_logs = new BufferedReader(tmp2); boolean eof = false; while(!eof) { String line = candidates_logs.readLine(); if(line==null) eof = true; else { for(i=0;i<candidates_num;i++) if(compare(candidates[i],line)==1) { candidates_votes[i]=candidates_votes[i]+1; total_votes=total_votes+1; //kommata_votes(idea[i]); break; } if(i==candidates_num && compare("akyro",line)==1) { candidates_votes[i]=candidates_votes[i]+1; total_votes=total_votes+1; } } } candidates_logs.close(); } catch (Exception e) { System.out.println(""); } /* try { Runtime.getRuntime().exec("rm *_log "); } catch (Exception e3) { System.out.println(e3); } for(i=0;i<voters_num;i++) { if(voters_vote[i]==1) write_logfiles(voters[i],"voters_log"); } for(i=0;i<candidates_num;i++) { if(candidates_votes[i]==1) { System.out.println("Line " + candidates[i] + "candidates " + i); write_logfiles(candidates[i],"candidates_log"); } } */ return ; } public void find_voters() { boolean eof = false; try { FileReader gr = new FileReader("voters.dat"); BufferedReader buff = new BufferedReader(gr) ; while(!eof) { String line = buff.readLine(); if(line==null) eof = true; else { voters[voters_num]=line; voters_vote[voters_num]=0; voters_num++; } } voters_num--; buff.close(); } catch (Exception e2) { System.out.println(e2); } } public void find_candidates() { boolean eof = false; try { FileReader gr = new FileReader("candidates.dat"); BufferedReader buff = new BufferedReader(gr) ; while(!eof) { String line = buff.readLine(); String line2 = buff.readLine(); if(line==null) eof = true; else { candidates[candidates_num]=line; candidates_votes[candidates_num]=0; add_kommata(line2); idea[candidates_num]=line2; candidates_num++; } } candidates[candidates_num]="leuko";