Lampiran A. SOURCE CODE PROGRAM

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1 A-1 Lampiran A. SOURCE CODE PROGRAM Frame Utama package FrameDesign; import ArithmeticSkripsi.ArithmeticCompress; import ArithmeticSkripsi.ArithmeticDecompress; import Deflate.DeflateContoh; import java.io.file; import java.io.ioexception; import java.util.date; import java.util.logging.level; import java.util.logging.logger; import javax.swing.jfilechooser; import javax.swing.joptionpane; public class MainFrame extends javax.swing.jframe { public MainFrame() { initcomponents(); private void jbutton4actionperformed( java.awt.event.actionevent evt) { jfilechooser1 = new JFileChooser(); jfilechooser1.showopendialog(this); if(jfilechooser1.getselectedfile()!= null){ jtextfield1.settext( jfilechooser1.getselectedfile().getabsolutepath()); jtextfield1.repaint(); if((jcombobox1.getselectedindex()==0) && (jcombobox2.getselectedindex()==0)){ if(!jtextfield1.gettext().endswith(".dft")){ jtextfield2.settext( jfilechooser1.getselectedfile().getabsolutepath()+".dft"); else if((jcombobox1.getselectedindex()==1) && (jcombobox2.getselectedindex()==0)){ if(!jtextfield1.gettext().endswith(".arm")){ jtextfield2.settext( jfilechooser1.getselectedfile().getabsolutepath()+".arm");

2 A-2 jfilechooser1 = null; private void jtextfield1actionperformed( java.awt.event.actionevent evt) { // TODO add your handling code here: private void jbutton5actionperformed( java.awt.event.actionevent evt) { jfilechooser2.showopendialog(this); jtextfield2.settext( jfilechooser2.getselectedfile().getabsolutepath()); jtextfield2.repaint(); private void jbutton1actionperformed( java.awt.event.actionevent evt) { Date mulai = new Date(); String input = jtextfield1.gettext(); String output = jtextfield2.gettext(); if(jcombobox2.getselectedindex() == 0){ if(jcombobox1.getselectedindex() == 0) { DeflateContoh dc = new DeflateContoh(); try { dc.compress(input, output); Date selesai = new Date(); File temp = new File(input); Long inputlength = temp.length(); temp = null; temp = new File(output); long outputlength = temp.length(); double rasio = ((((inputlength-outputlength) *10000)/inputLength)/100F); long waktu = (selesai.gettime()-mulai.gettime()); jtextarea1.settext("input File: "+inputlength+"\n"+"output File:" +outputlength+"\n"+"rasio: "+ rasio+"%\nwaktu kompresi:" +waktu+"ms"); jtextarea1.repaint(); JOptionPane.showMessageDialog(this, "Selesai"); catch (IOException ex) { ex.printstacktrace(); else if(jcombobox1.getselectedindex() == 1){ try { ArithmeticCompress.compress(input, output); Date selesai = new Date(); File temp = new File(input); Long inputlength = temp.length(); temp = null; temp = new File(output); long outputlength = temp.length(); double rasio = ((((inputlength-outputlength) *10000)/inputLength)/100F);

3 A-3 long waktu = (selesai.gettime()-mulai.gettime()); jtextarea1.settext("input File: "+inputlength+"\n"+"output File:" +outputlength+"\n"+"rasio: "+ rasio+"%\nwaktu kompresi:" +waktu+"ms"); jtextarea1.repaint(); JOptionPane.showMessageDialog(this, "Selesai"); catch (IOException ex) { ex.printstacktrace(); else if(jcombobox2.getselectedindex() == 1){ if(jcombobox1.getselectedindex() == 0) { DeflateContoh dc = new DeflateContoh(); try { dc.decompress(input, output); Date selesai = new Date(); File temp = new File(input); Long inputlength = temp.length(); temp = null; temp = new File(output); long outputlength = temp.length(); double rasio = ((((inputlength-outputlength) *10000)/inputLength)/100F); long waktu=(selesai.gettime()-mulai.gettime()); jtextarea1.settext("input File: "+inputlength+"\n"+"output File:" +outputlength+"\n"+"rasio: "+ rasio+"%\nwaktu kompresi:" +waktu+"ms"); jtextarea1.repaint(); JOptionPane.showMessageDialog(this, "Selesai"); catch (IOException ex) { ex.printstacktrace(); else if(jcombobox1.getselectedindex() == 1){ try { ArithmeticDecompress.decompress(input, output); Date selesai = new Date(); File temp = new File(input); Long inputlength = temp.length(); temp = null; temp = new File(output); long outputlength = temp.length(); double rasio = ((((inputlength-outputlength) *10000)/inputLength)/100F); long waktu=(selesai.gettime()-mulai.gettime()); jtextarea1.settext("input File: "+inputlength+"\n"+"output File:" +outputlength+"\n"+"rasio: "+ rasio+"%\nwaktu kompresi:" +waktu+"ms"); jtextarea1.repaint(); JOptionPane.showMessageDialog(this, "Selesai"); catch (IOException ex) { ex.printstacktrace(); private void jbutton2actionperformed(java.awt.event.actionevent evt)

4 A-4 { jtextfield1.settext(""); jtextfield1.repaint(); jtextfield2.settext(""); jtextfield2.repaint(); private void jbutton3actionperformed(java.awt.event.actionevent evt) { this.dispose(); System.exit(0); private void jcombobox1propertychange( java.beans.propertychangeevent evt) { private void jcombobox1itemstatechanged( java.awt.event.itemevent evt) { Object item = evt.getitem(); if(item.equals(jcombobox1.getitemat(0)) && jcombobox2.getselectedindex()==0){ if("".equals(jtextfield2.gettext())){ return; else if(!jtextfield2.gettext().endswith(".dft")){ jtextfield2.settext(jtextfield2.gettext().replaceall( ".arm", ".dft")); jtextfield2.repaint(); else if(item.equals(jcombobox1.getitemat(1)) && jcombobox2.getselectedindex()==0){ if("".equals(jtextfield2.gettext())){ return; else if(!jtextfield2.gettext().endswith(".arm")){ jtextfield2.settext(jtextfield2.gettext().replaceall( ".dft", ".arm")); jtextfield2.repaint(); private void jcombobox1mouseclicked( java.awt.event.mouseevent evt) { // TODO add your handling code here: if(jcombobox1.getselectedindex()==0 && jcombobox2.getselectedindex()==0){ if("".equals(jtextfield2.gettext())){ return; else if(!jtextfield2.gettext().endswith(".dft")){ String replaceall = jtextfield2.gettext().replaceall(".arm", ".dft"); jtextfield2.settext(replaceall); jtextfield2.repaint(); else if(jcombobox1.getselectedindex()==1 && jcombobox2.getselectedindex()==0){

5 A-5 if("".equals(jtextfield2.gettext())){ return; else if(!jtextfield2.gettext().endswith(".arm")){ String replaceall = jtextfield2.gettext().replaceall(".dft", ".arm"); jtextfield2.settext(replaceall); jtextfield2.repaint(); public static void main(string args[]) { java.awt.eventqueue.invokelater(new Runnable() { public void run() { new MainFrame().setVisible(true); ); private javax.swing.jbutton jbutton1; private javax.swing.jbutton jbutton2; private javax.swing.jbutton jbutton3; private javax.swing.jbutton jbutton4; private javax.swing.jbutton jbutton5; private javax.swing.jcombobox jcombobox1; private javax.swing.jcombobox jcombobox2; private javax.swing.jfilechooser jfilechooser1; private javax.swing.jfilechooser jfilechooser2; private javax.swing.jlabel jlabel1; private javax.swing.jlabel jlabel2; private javax.swing.jlabel jlabel3; private javax.swing.jlabel jlabel4; private javax.swing.jlabel jlabel5; private javax.swing.jlabel jlabel6; private javax.swing.jpanel jpanel1; private javax.swing.jscrollpane jscrollpane1; private javax.swing.jtextarea jtextarea1; private javax.swing.jtextfield jtextfield1; private javax.swing.jtextfield jtextfield2; ARITHMETIC CODING Kompresi Arithmetic Coding package ArithmeticSkripsi; import java.io.bufferedinputstream; import java.io.bufferedoutputstream; import java.io.file; import java.io.fileinputstream; import java.io.fileoutputstream; import java.io.ioexception; import java.io.inputstream; import javax.swing.jfilechooser;

6 A-6 public class ArithmeticCompress { public static void compress(string input, String output) throws File inputfile = new File(input); File outputfile = new File(output); FrequencyTable freq = getfrequencies(inputfile); freq.increment(256); InputStream in = new BufferedInputStream( new FileInputStream(inputFile)); BitOutputStream out = new BitOutputStream( new BufferedOutputStream(new FileOutputStream(outputFile))); try { writefrequencies(out, freq); compress(freq, in, out); finally { out.close(); in.close(); private static FrequencyTable getfrequencies(file file) throws FrequencyTable freq = new SimpleFrequencyTable( new int[257]); InputStream input = new BufferedInputStream( new FileInputStream(file)); try { while (true) { int b = input.read(); if (b == -1) break; freq.increment(b); finally { input.close(); return freq; static void writefrequencies( BitOutputStream out, FrequencyTable freq) throws for (int i = 0; i < 256; i++) writeint(out, 32, freq.get(i)); static void compress( FrequencyTable freq, InputStream in, BitOutputStream out) throws ArithmeticEncoder enc = new ArithmeticEncoder(out); while (true) { int b = in.read(); if (b == -1) break; enc.write(freq, b); enc.write(freq, 256);

7 A-7 enc.finish(); private static void writeint(bitoutputstream out, int numbits, int value) throws if (numbits < 0 numbits > 32) throw new IllegalArgumentException(); for (int i = 0; i < numbits; i++) out.write(value >>> i & 1); public final class ArithmeticEncoder { public final long STATE_SIZE = 32; public final long MASK = (1L << (STATE_SIZE - 0)) - 1; public final long TOP_MASK = (1L << (STATE_SIZE - 1)); public final long SECOND_MASK = (1L << (STATE_SIZE - 2)); public final long MAX_RANGE = (1L << (STATE_SIZE - 0)); public final long MIN_RANGE = (1L << (STATE_SIZE - 2)) + 2; public final long MAX_TOTAL = Math.min(Long.MAX_VALUE / MAX_RANGE, MIN_RANGE); public long low; public long high; private BitOutputStream output; private int underflow; public ArithmeticEncoder(BitOutputStream out) { low = 0; high = MASK; if (out == null) throw new NullPointerException(); output = out; underflow = 0; public void write(frequencytable freq, int symbol) throws IOException { write(new CheckedFrequencyTable(freq), symbol); public void write(checkedfrequencytable freq, int symbol) throws update(freq, symbol); public void finish() throws output.write(1); public void shift() throws int bit = (int)(low >>> (STATE_SIZE - 1)); output.write(bit); for (; underflow > 0; underflow--) output.write(bit ^ 1); public void underflow() throws if (underflow == Integer.MAX_VALUE) throw new RuntimeException("Maximum underflow reached"); underflow++; public void update(checkedfrequencytable freq, int symbol) throws

8 A-8 if (low >= high (low & MASK)!= low (high & MASK)!= high) throw new AssertionError("Low or high out of range"); long range = high - low + 1; if (range < MIN_RANGE range > MAX_RANGE) throw new AssertionError("Range out of range"); long total = freq.gettotal(); long symlow = freq.getlow(symbol); long symhigh = freq.gethigh(symbol); if (symlow == symhigh) throw new IllegalArgumentException("Symbol has zero frequency"); if (total > MAX_TOTAL) throw new IllegalArgumentException("Cannot code symbol because total is too large"); long newlow = low + symlow * range / total; long newhigh = low + symhigh * range / total - 1; low = newlow; high = newhigh; while (((low ^ high) & TOP_MASK) == 0) { shift(); low = (low << 1) & MASK; high = ((high << 1) & MASK) 1; while ((low & ~high & SECOND_MASK)!= 0) { underflow(); low = (low << 1) & (MASK >>> 1); high = ((high << 1) & (MASK >>> 1)) TOP_MASK 1; Dekompresi Arithmetic package ArithmeticSkripsi; import java.io.bufferedinputstream; import java.io.bufferedoutputstream; import java.io.file; import java.io.fileinputstream; import java.io.fileoutputstream; import java.io.ioexception; import java.io.outputstream; public class ArithmeticDecompress { public static void decompress(string input, String output) throws File inputfile = new File(input); File outputfile = new File(output); BitInputStream in = new BitInputStream(new BufferedInputStream(new FileInputStream(inputFile))); OutputStream out = new BufferedOutputStream(new FileOutputStream(outputFile)); try { FrequencyTable freq = readfrequencies(in); decompress(freq, in, out);

9 A-9 finally { out.close(); in.close(); static FrequencyTable readfrequencies(bitinputstream in) throws int[] freqs = new int[257]; for (int i = 0; i < 256; i++) freqs[i] = readint(in, 32); freqs[256] = 1; // EOF symbol return new SimpleFrequencyTable(freqs); static void decompress(frequencytable freq, BitInputStream in, OutputStream out) throws ArithmeticDecoder dec = new ArithmeticDecoder(in); while (true) { int symbol = dec.read(freq); if (symbol == 256) break; out.write(symbol); private static int readint(bitinputstream in, int numbits) throws if (numbits < 0 numbits > 32) throw new IllegalArgumentException(); int result = 0; for (int i = 0; i < numbits; i++) result = in.readnoeof() << i; return result; public final class ArithmeticDecoder { private BitInputStream input; public final long STATE_SIZE = 32; public final long MASK = (1L << (STATE_SIZE - 0)) - 1; public final long TOP_MASK = (1L << (STATE_SIZE - 1)); public final long SECOND_MASK = (1L << (STATE_SIZE - 2)); public final long MAX_RANGE = (1L << (STATE_SIZE - 0)); public final long MIN_RANGE = (1L << (STATE_SIZE - 2)) + 2; public final long MAX_TOTAL = Math.min(Long.MAX_VALUE / MAX_RANGE, MIN_RANGE); public long low; public long high; private long code; public ArithmeticDecoder(BitInputStream in) throws low = 0; high = MASK;

10 A-10 if (in == null) throw new NullPointerException(); input = in; code = 0; for (int i = 0; i < STATE_SIZE; i++) code = code << 1 readcodebit(); public int read(frequencytable freq) throws return read(new CheckedFrequencyTable(freq)); public int read(checkedfrequencytable freq) throws long total = freq.gettotal(); if (total > MAX_TOTAL) throw new IllegalArgumentException( "Cannot decode symbol because total is too large"); long range = high - low + 1; long offset = code - low; long value = ((offset + 1) * total - 1) / range; if (value * range / total > offset) throw new AssertionError(); if (value < 0 value >= freq.gettotal()) throw new AssertionError(); int start = 0; int end = freq.getsymbollimit(); while (end - start > 1) { int middle = (start + end) >>> 1; if (freq.getlow(middle) > value) end = middle; else start = middle; if (start == end) throw new AssertionError(); int symbol = start; if (freq.getlow(symbol) * range / total > offset freq.gethigh(symbol) * range / total <= offset) throw new AssertionError(); update(freq, symbol); if (code < low code > high) throw new AssertionError("Code out of range"); return symbol; public void shift() throws code = ((code << 1) & MASK) readcodebit(); public void underflow() throws code = (code & TOP_MASK) ((code << 1) & (MASK >>> 1)) readcodebit(); private int readcodebit() throws

11 A-11 int temp = input.read(); if (temp!= -1) return temp; else return 0; public void update(checkedfrequencytable freq, int symbol) throws if (low >= high (low & MASK)!= low ( high & MASK)!= high) throw new AssertionError("Low or high out of range"); long range = high - low + 1; if (range < MIN_RANGE range > MAX_RANGE) throw new AssertionError("Range out of range"); long total = freq.gettotal(); long symlow = freq.getlow(symbol); long symhigh = freq.gethigh(symbol); if (symlow == symhigh) throw new IllegalArgumentException("Symbol has zero frequency"); if (total > MAX_TOTAL) throw new IllegalArgumentException( "Cannot code symbol because total is too large"); long newlow = low + symlow * range / total; long newhigh = low + symhigh * range / total - 1; low = newlow; high = newhigh; while (((low ^ high) & TOP_MASK) == 0) { shift(); low = (low << 1) & MASK; high = ((high << 1) & MASK) 1; while ((low & ~high & SECOND_MASK)!= 0) { underflow(); low = (low << 1) & (MASK >>> 1); high = ((high << 1) & ( MASK >>> 1)) TOP_MASK 1; File Reader/BitInputStream package ArithmeticSkripsi; import java.io.eofexception; import java.io.ioexception; import java.io.inputstream; public final class BitInputStream {

12 A-12 private InputStream input; or is -1 if the end of stream is reached. private int nextbits; private int numbitsremaining; private boolean isendofstream; stream. public BitInputStream(InputStream in) { if (in == null) throw new NullPointerException( "Argument is null"); input = in; numbitsremaining = 0; isendofstream = false; available, or -1 if the end of stream is reached. The end of stream always occurs on a byte boundary. public int read() throws if (isendofstream) return -1; if (numbitsremaining == 0) { nextbits = input.read(); if (nextbits == -1) { isendofstream = true; return -1; numbitsremaining = 8; numbitsremaining--; return (nextbits >>> numbitsremaining) & 1; available, or throws an EOFException if the end of stream is reached. public int readnoeof() throws int result = read(); if (result!= -1) return result; else throw new EOFException("End of stream reached"); public void close() throws input.close();

13 A-13 BitOutputstream package ArithmeticSkripsi; import java.io.ioexception; import java.io.outputstream; public final class BitOutputStream { private OutputStream output; private int currentbyte; private int numbitsincurrentbyte; public BitOutputStream(OutputStream out) { if (out == null) throw new NullPointerException( "Argument is null"); output = out; currentbyte = 0; numbitsincurrentbyte = 0; public void write(int b) throws if (!(b == 0 b == 1)) throw new IllegalArgumentException( "Argument must be 0 or 1"); currentbyte = currentbyte << 1 b; numbitsincurrentbyte++; if (numbitsincurrentbyte == 8) { output.write(currentbyte); numbitsincurrentbyte = 0; public void close() throws while (numbitsincurrentbyte!= 0) write(0); output.close();

14 A-14 DEFLATE package Deflate; import java.io.file; import java.io.fileinputstream; import java.io.filenotfoundexception; import java.io.fileoutputstream; import java.io.ioexception; import java.util.zip.deflateroutputstream; import java.util.zip.inflaterinputstream; import java.util.zip.inflateroutputstream; public class DeflateContoh { public static void main(string[] args) throws Exception{ new DeflateContoh().contoh(); public void compress( String input, String output) throws FileNotFoundException, IOException{ DeflaterOutputStream dos = new DeflaterOutputStream( new FileOutputStream(output)); File file = new File(input); FileInputStream fis = new FileInputStream(file); for (int i = 0; i < file.length(); i++) { dos.write(fis.read()); dos.flush(); fis.close(); dos.close(); public void decompress( String input, String output) throws FileNotFoundException, IOException{ InflaterOutputStream ios = new InflaterOutputStream( new FileOutputStream(output)); File file = new File(input); FileInputStream fis = new FileInputStream(file); for (int i = 0; i < file.length(); i++) { ios.write(fis.read()); ios.flush(); fis.close(); ios.close(); public void contoh()throws Exception{ DeflaterOutputStream dos = new DeflaterOutputStream( new FileOutputStream("output2.ac")); File file = new File("output.ac");

15 A-15 FileInputStream fis = new FileInputStream(file); for (int i = 0; i < file.length(); i++) { dos.write(fis.read()); dos.flush(); fis.close(); dos.close(); InflaterOutputStream ios = new InflaterOutputStream( new FileOutputStream("output3.ac")); file = new File("output2.ac"); fis = new FileInputStream(file); for (int i = 0; i < file.length(); i++) { ios.write(fis.read()); ios.flush(); fis.close(); ios.close();

DAFTAR LAMPIRAN. Source Code Java Aplikasi Keyword to Image Renamer Split

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