LAMPIRAN A: LISTING PROGRAM
Main Program
package skripsi; /**
*
* @author REZA */
public class Skripsi { /**
* @param args the command line arguments */
public static void main(String[] args) { try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName()); break;
} }
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(kompresi.class.getName()).log(java .util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(kompresi.class.getName()).log(java .util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(kompresi.class.getName()).log(java .util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(kompresi.class.getName()).log(java .util.logging.Level.SEVERE, null, ex);
}
java.awt.EventQueue.invokeLater(new Runnable() { public void run() {
new home().setVisible(true); }
}); }
Class Compression
String reverse = new StringBuffer(x).reverse().toString(); for(int j=0;j<x.length();j++)
compression punctured = new compression(); String[] P1 = punctured.p1(n+1);
String P2 = new StringBuffer(x).deleteCharAt(0).toString(); result[i]=P2;
@SuppressWarnings("unchecked")
public static void countandsortfreqchar(String txt,List karakter,List frekuensi){
int r = 0;
public static String flagging(int n){
public static String Encode(String bitstring){
char c = (char) (Integer.parseInt(s, 2)); str.append(c);
}
return str.toString(); }
public static String Decode(String encodestr){
StringBuffer str = new StringBuffer(); for(int i=0;i<encodestr.length();i++){ char c = encodestr.charAt(i);
StringBuffer x = new
StringBuffer(Integer.toBinaryString((int)c)); if(x.length()<8){
int y = 8 - (x.length()%8); for(int j=0;j<y;j++){
x.insert(0,"0"); }
}
str.append(x); }
return str.toString(); }
}
Form Compression
import java.io.BufferedReader; import java.io.File;
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader;
import java.io.FileWriter; import java.io.IOException;
import java.io.ObjectOutputStream; import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFileChooser; import javax.swing.JOptionPane;
import javax.swing.filechooser.FileNameExtensionFilter; import org.apache.poi.extractor.ExtractorFactory;
import org.apache.poi.hwpf.extractor.WordExtractor;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.openxml4j.exceptions.OpenXML4JException; import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.xmlbeans.XmlException;
/** *
* @author REZA */
public class kompresi extends javax.swing.JFrame {
File file; File file1;
JFileChooser openfile = new JFileChooser(); JFileChooser savefile = new JFileChooser(); StringBuffer content = new StringBuffer(); String[] code ;
openfile.setFileSelectionMode(JFileChooser.FILES_ONLY); openfile.setAcceptAllFileFilterUsed(false);
openfile.addChoosableFileFilter(new
FileNameExtensionFilter("TXT Document (*.txt)", "txt")); openfile.addChoosableFileFilter(new
FileNameExtensionFilter("WORD Document (*.doc)","doc")); openfile.addChoosableFileFilter(new
FileNameExtensionFilter("All Files (*.txt,*.doc)","doc", "txt"));
int returnVal = openfile.showOpenDialog(this); if (returnVal == openfile.APPROVE_OPTION) { file = openfile.getSelectedFile();
jTextField1.setText(file.getAbsolutePath().toString());
} private void
jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) { jRadioButton1.setSelected(false);
pilihkode="P2";
// TODO add your handling code here:
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
//---Menentukan Direktori File Outout---
savefile.setFileSelectionMode(JFileChooser.FILES_ONLY); savefile.setAcceptAllFileFilterUsed(false);
savefile.addChoosableFileFilter(new
FileNameExtensionFilter("pec File (*.pec)", "pec"));
int returnVal = savefile.showSaveDialog(this); if (returnVal == JFileChooser.APPROVE_OPTION) { file1 = savefile.getSelectedFile();
jTextField2.setText(file1.getPath()); }
//---
} private void
jTextField2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
if(pilihkode==null){
JOptionPane.showMessageDialog(rootPane,"No Punctured Elias Code \n Please Choose One First
!!!","Error",JOptionPane.WARNING_MESSAGE); }
else
if(jTextField1.getText().equals("")){
JOptionPane.showMessageDialog(rootPane,"No Input File \n Please Open a File !!!","Error",JOptionPane.WARNING_MESSAGE);
} else
if(jTextField2.getText().equals("")){
JOptionPane.showMessageDialog(rootPane,"Please Set Directory For Output File !!!","Error",JOptionPane.WARNING_MESSAGE); }
else{
// Date starttime =null, endtime = null; Long starttime = System.currentTimeMillis(); //===Proses
Kompresi========================================================= compression punctured = new compression();
//Membuat Tabel Kode Punctured Elias Codes berdasarkan jumlah karakter--
//---Membuat bit string berdasarkan tabel kode---
for(int i=0;i<content.toString().length();i++){
BitStr += code[karakter.indexOf(content.toString().charAt(i))]; }
System.out.println("\n bitstring:\n"+BitStr);
System.out.println("Panjang Bit String Sebelum Encode "+BitStr.length()+" bit");
System.out.println("panjang bit string Setelah encode "+WriteStr.length()+" Byte");
//---Menulis Header double RC = (double)uncompressed_bits/compressed_bits;
double CR = (double)compressed_bits/uncompressed_bits *100; double RD = (double)100-CR;
//--- //---Menampilkan Ratio Hasil Kompresi---
content.delete(0, content.length()); BitStr= "";
pilihkode=null;
jRadioButton1.setSelected(false); jRadioButton2.setSelected(false); jTextField1.setText(null);
jTextField2.setText(null);
totaltime=null;
//--- JOptionPane.showMessageDialog(rootPane, "File Compressed
Successfully...", "Compression", JOptionPane.INFORMATION_MESSAGE); }
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea1.setText("");
// TODO add your handling code here: }
Form Decompression
import java.io.BufferedReader; import java.io.File;
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader;
import java.io.FileWriter; import java.io.IOException; import java.io.InputStream;
import java.io.ObjectInputStream; import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFileChooser; import javax.swing.JOptionPane;
import javax.swing.filechooser.FileNameExtensionFilter; import org.apache.poi.extractor.ExtractorFactory;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.extractor.WordExtractor; import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.openxml4j.exceptions.OpenXML4JException; import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.xmlbeans.XmlException; /**
*
* @author REZA */
public class dekompresi extends javax.swing.JFrame { JFileChooser openfile = new JFileChooser(); JFileChooser openfile1 = new JFileChooser(); JFileChooser savefile = new JFileChooser(); File file;
File file1; File file2;
StringBuffer content = new StringBuffer(); StringBuffer content1 = new StringBuffer(); int text_bits;
int uncompressed_bits;
List karakter = new ArrayList(); List frekuensi = new ArrayList(); String[] code;
String[] paragraph; String BitStr;
* Creates new form dekompresi
openfile.setFileSelectionMode(JFileChooser.FILES_ONLY); openfile.setAcceptAllFileFilterUsed(false);
openfile.addChoosableFileFilter(new
FileNameExtensionFilter("pec File (*.pec)", "pec"));
int returnVal = openfile.showOpenDialog(this); if (returnVal == openfile.APPROVE_OPTION) { file = openfile.getSelectedFile();
jTextField1.setText(file.getAbsolutePath().toString()); BufferedReader bufferedReader = null;
while ((r = bufferedReader1.read())!= -1) { @SuppressWarnings("unchecked")
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
openfile1.setFileSelectionMode(JFileChooser.FILES_ONLY); openfile1.setAcceptAllFileFilterUsed(false);
openfile1.addChoosableFileFilter(new
FileNameExtensionFilter("Header File (*.header)", "header"));
int returnVal = openfile1.showOpenDialog(this); if (returnVal == openfile1.APPROVE_OPTION) { file2 = openfile1.getSelectedFile();
jTextField3.setText(file2.getAbsolutePath().toString()); try {
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
//---Menentukan Direktori File Output---
savefile.setFileSelectionMode(JFileChooser.FILES_ONLY); savefile.setAcceptAllFileFilterUsed(false);
savefile.addChoosableFileFilter(new
FileNameExtensionFilter("TEXT Document", "txt")); savefile.addChoosableFileFilter(new
FileNameExtensionFilter("WORD Document" ,"doc"));
jTextField2.setText(file1.getPath()); }
//---
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
JOptionPane.showMessageDialog(rootPane,"No Input File *.pec \n Please Open a File !!!","Error",JOptionPane.WARNING_MESSAGE); }else
if(jTextField2.getText().equals("")){
JOptionPane.showMessageDialog(rootPane,"Please Set
Directory For Output File !!!","Error",JOptionPane.WARNING_MESSAGE); }else
if(jTextField3.getText().equals("")) {
JOptionPane.showMessageDialog(rootPane,"No Input File *.header \n Please Open a File
!!!","Error",JOptionPane.WARNING_MESSAGE);
BitStr = punctured.Decode(content.toString());
String namafile = jTextField1.getText().toLowerCase();
//---Menulis Hasil File Dekompresi ke txt atau doc---
File newTextFile = new
else if(namafile.substring(namafile.length()-8, namafile.length()-4).equals(".doc")){ POIFSFileSystem poi = new POIFSFileSystem(systemResource); HWPFDocument doc = new HWPFDocument(poi);
Range range = doc.getRange();
StringBuilder bucket = new StringBuilder(); bucket.append(UncompressedStr);
range.insertBefore(bucket.toString()); bucket = null;
uncompressed_bits = UncompressedStr.length()*8; double completeness =
System.out.print(namafile.substring(namafile.length()-8, namafile.length()-4));
}
} private void
jTextField1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea1.setText("");
// TODO add your handling code here: }
Hasil Kompresi Dengan Panjang Character Set 237 Karakter
