i_p_lab2view.java

encryption algorithm

    matr[1][i]=Integer.toString(str.indexOf(slovo.substring(i,i+1)));
    //System.out.print(matr[1][i]+" ");
    }  
} 
     
for (int i=2; i<razmer; i++)
for (int j=0; j<slovo.length(); j++)
    matr[i][j]=" ";   
 }
 
 
 
  private void matr_head_obr()
 { if (!(jTextField1.getText().equals(""))&&!(jTextField3.getText().equals("")))
{slovo=jTextField1.getText();
 razmer=Integer.parseInt(jTextField3.getText());
    matr=new String [razmer][slovo.length()];
      
      
      str="абвгдежзиклмнопрстуфхцчшщъыьэюя., ";
     String m_s[][];
     m_s= new String [2][slovo.length()];
     for (int i=0; i<slovo.length(); i++)
     {  m_s[0][i]=slovo.substring(i,i+1);
         m_s[1][i]=Integer.toString(str.indexOf(slovo.substring(i,i+1)));}
    
     //sort
     for (int l=0; l<(slovo.length()-1); l++)
     for (int l1=l; l1<slovo.length(); l1++)
     if(Integer.parseInt(m_s[1][l])>Integer.parseInt(m_s[1][l1]))
     for(int k=0;k<2;k++)
     {String pr="";
     pr=m_s[k][l1];
     m_s[k][l1]=m_s[k][l];;
     m_s[k][l]=pr;
     }
     
  
     
          //создание матрицы
     
 
    for (int i=0; i<slovo.length(); i++)
    {matr[0][i]=m_s[0][i];
   // System.out.print(matr[0][i]+" ");
    matr[1][i]=m_s[1][i];
    //System.out.print(matr[1][i]+" ");
    }  
} 
     
for (int i=2; i<razmer; i++)
for (int j=0; j<slovo.length(); j++)
    matr[i][j]="";   
 }
 
 private void matr_sort()
 { //сортировка матрицы
     for (int l=0; l<(slovo.length()-1); l++)
     for (int l1=l; l1<slovo.length(); l1++)
     if(Integer.parseInt(matr[1][l])>Integer.parseInt(matr[1][l1]))
     for(int k=0;k<razmer;k++)
     {String pr="";
     pr=matr[k][l1];
     matr[k][l1]=matr[k][l];;
     matr[k][l]=pr;
     }
 }
 
  private void matr_sort_obr()
 { //сортировка матрицы
     for (int l=0; l<(slovo.length()); l++)
     for (int l1=0; l1<slovo.length(); l1++)
     if(slovo.substring(l, l+1).equals(matr[0][l1]))
     for(int k=0;k<razmer;k++)
     {String pr="";
     pr=matr[k][l1];
     matr[k][l1]=matr[k][l];;
     matr[k][l]=pr;
     }
 }
 
 private void matr_show()
 { //вывод матрицы на экран
         System.out.print("\n"); 
    for (int i=0; i<razmer; i++)
     {for (int j=0; j<slovo.length(); j++)
     {       System.out.print(matr[i][j]+" "); }
    System.out.print("\n"); }
 }
 
 private void shifr()
 { for (int i1=2; i1<razmer; i1++)
     for (int j1=0; j1<slovo.length(); j1++)
        rezult=rezult+matr[i1][j1];
              
             System.out.print("Результат шифрования"+"\n"); 
             System.out.print("\n"); 
            System.out.print(rezult);
 }
 
 
 //////////////////////открытие файла////////////////////////////////
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
    
    //выбор файла
     JFileChooser chooser = new JFileChooser();
     int returnVal = chooser.showOpenDialog(chooser);
    if(returnVal == JFileChooser.APPROVE_OPTION) {
    jTextField2.setText(chooser.getSelectedFile().getName());
    s=chooser.getSelectedFile().getAbsolutePath();}
     i=0;
     
    matr_head();
     
     
//чтение файла
st=new String[i];
strk="";

    try { 
            Scanner in = new Scanner(new File(s)); 
            while (in.hasNext()) 
            {strk=strk+in.nextLine();
            // System.out.println(strk);
                         }
} 
catch ( Exception ex ) 
{ex.printStackTrace();}

     System.out.print("\n");
     
//заполнение матрицы//GEN-LAST:event_jButton1ActionPerformed

}                                        
///////////////////////расшифрвание//////////////////////////////////
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
// TODO add your handling code here:
    //System.out.println(jTextField2.getText()); 
    
    rezult="";
    
    int k3=0;
    while (k3<strk.length())
    { matr_head_obr();
        for (int i=2; i<razmer;i++)
        {        if (k3>=strk.length())
                 
                 break;
           
            for (int j=0; j<slovo.length();j++)    
        { matr[i][j]=strk.substring(k3, k3+1);
        k3++;
        if (k3>=strk.length())
        break;}}
    
    
    matr_show();
    matr_sort_obr();
    matr_show();
    
           if (jRadioButton1.getModel().isSelected())
           {
               for (int i1=2; i1<razmer; i1++)
               {if (i1-(i1/2)*2==0)
                    for(int j1=0; j1<slovo.length(); j1++)
                    rezult=rezult+matr[i1][j1];
                else
                    for(int j1=slovo.length()-1; j1>=0; j1--)
                    rezult=rezult+matr[i1][j1];
               }    
               
               System.out.println(rezult+"\n");
           }
    
    if (jRadioButton3.getModel().isSelected())
           {
        int i=2, j=0, b=0,k=0;
 int ip=razmer-1; int jp=slovo.length()-1;
  int in=2; int jn=0;
      
         while (k<(razmer-2)*slovo.length())
    {       
       for (j=jn; j<jp; j++)
        { rezult=rezult+matr[i][j];
        k++; 
        if (k==(razmer-2)*slovo.length())
            break;
    
       } 
       
        if (k==(razmer-2)*slovo.length())
            break;
        
        for (i=in; i<ip; i++)
        { rezult=rezult+matr[i][j];
         k++;
          if (k==(razmer-2)*slovo.length())
            break;
              }
        if (k==(razmer-2)*slovo.length())
            break;
       
       for (j=jp; j>jn; j--)
        { rezult=rezult+matr[i][j];
        k++;
         if (k==(razmer-2)*slovo.length())
            break;
          } 

        if (k==(razmer-2)*slovo.length())
            break;
             
          for (i=ip; i>in; i--)
        { rezult=rezult+matr[i][j];
           k++;
            if (k==(razmer-2)*slovo.length())
            break;
     
          } 
        if (k==(razmer-2)*slovo.length())
            break;
           i++;
       
           jp--;
           in++; 
           ip--;
           jn++;
          
             
    }  
  System.out.println(rezult+"\n");  
    }
    
    
    if (jRadioButton2.getModel().isSelected())
           {
        int k=0;
     int i=2, j=0;
     int ip=razmer-1;
     
     int jp=slovo.length()-1;

    rezult=rezult+matr[i][j];
        
        while (k<(razmer-2)*slovo.length()-1)
          {  
           if (i==ip)
              { j++;
                k++;
           rezult=rezult+matr[i][j];
         }

                         
            if ((i==ip)&&(j==jp))
           break;
              
              if ((j==0)&&(!(i==ip)))
              { i++;
                k++;
             rezult=rezult+matr[i][j];
           }
           
           
              
            if ((i==ip)&&(j==jp))
           break;
           
           if (j==jp)
              { i++;
                k++;
               rezult=rezult+matr[i][j];
               }
           
            if ((i==ip)&&(j==jp))
           break;
           
              if ((i==2)&&(!(j==jp)))
              {j++;
                 k++;
                 rezult=rezult+matr[i][j];
              }
    
           if ((i==ip)&&(j==jp))
           break;
           
           if ((i+j)-((i+j)/2)*2==0)
           {i++;
            j--;
              k++;
              rezult=rezult+matr[i][j];
        }
           
           else
             {i--;
              j++;
                k++;
                rezult=rezult+matr[i][j];
        }  
               
          }
   // rezult=rezult.substring(1, rezult.length());
      System.out.println(rezult+"\n");
               }
    
    }
    
     try {
            WriteFile(s.substring(0, s.length()-4)+"2.txt", rezult);
        } catch (IOException ex) {
            Logger.getLogger(I_p_lab2View.class.getName()).log(Level.SEVERE, null, ex);
        }
}//GEN-LAST:event_jButton3ActionPerformed

/////////////////////////шифрование/////////////////////////////////
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
// TODO add your handling code here:
    //заполнение матрицы   
    
//заполнение матрицы змейкой
     if (jRadioButton1.getModel().isSelected())
{
    

    int k=2,j=0,b=0;
 
    for (int i=0; i<strk.length(); i++)
    {
        
       if (i==strk.length())
           break;
        
             matr[k][j]=strk.substring(i, i+1);
             System.out.print(strk.substring(i, i+1));