Normalizer
/*
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* modification, are permitted provided that the following conditions
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*
* - Redistributions of source code must retain the above copyright
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* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
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* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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import java.applet.Applet;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.Normalizer;
import java.util.HashMap;
import java.util.Iterator;
import javax.swing.BoxLayout;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class NormSample extends Applet {
static final long serialVersionUID = 6607883013849198961L;
JComboBox normalizationTemplate;
JComboBox formComboBox;
JComponent paintingComponent;
HashMap<String, Normalizer.Form> formValues = new HashMap<String, Normalizer.Form>();
HashMap<String, String> templateValues = new HashMap<String, String>();
public static void main(String[] args) {
// creating an applete for normalization
JFrame f = new JFrame("Normalizer's API");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
NormSample applet = new NormSample();
applet.init();
f.add("Center", applet);
f.pack();
f.setVisible(true);
}
public void init() {
// preparing values for the normalization forms ComboBox
formValues.put("NFC", Normalizer.Form.NFC);
formValues.put("NFD", Normalizer.Form.NFD);
formValues.put("NFKC", Normalizer.Form.NFKC);
formValues.put("NFKD", Normalizer.Form.NFKD);
formComboBox = new JComboBox();
for (Iterator it = formValues.keySet().iterator(); it.hasNext();) {
formComboBox.addItem((String) it.next());
}
// preparing samples for normalization
// text with the acute accent symbol
templateValues.put("acute accent", "touch" + "\u00e9");
// text with ligature
templateValues.put("ligature", "a" + "\ufb03" + "ance");
// text with the cedilla
templateValues.put("cedilla", "fa" + "\u00e7" + "ade");
// text with half-width katakana
templateValues.put("half-width katakana",
"\uff81\uff6e\uff7a\uff9a\uff70\uff84");
normalizationTemplate = new JComboBox();
for (Iterator it = templateValues.keySet().iterator(); it.hasNext();) {
normalizationTemplate.addItem((String) it.next());
}
// defining a component to output normalization results
paintingComponent = new JComponent() {
static final long serialVersionUID = -3725620407788489160L;
public Dimension getSize() {
return new Dimension(550, 200);
}
public Dimension getPreferredSize() {
return new Dimension(550, 200);
}
public Dimension getMinimumSize() {
return new Dimension(550, 200);
}
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setFont(new Font("Serif", Font.PLAIN, 20));
g2.setColor(Color.BLACK);
g2.drawString("Original string:", 100, 80);
g2.drawString("Normalized string:", 100, 120);
g2.setFont(new Font("Serif", Font.BOLD, 24));
// output of the original sample selected from the ComboBox
String original_string = templateValues.get(normalizationTemplate
.getSelectedItem());
g2.drawString(original_string, 320, 80);
// normalization and output of the normalized string
String normalized_string;
java.text.Normalizer.Form currentForm = formValues.get(formComboBox
.getSelectedItem());
normalized_string = Normalizer.normalize(original_string, currentForm);
g2.drawString(normalized_string, 320, 120);
}
};
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
add(paintingComponent);
JPanel controls = new JPanel();
controls.setLayout(new BoxLayout(controls, BoxLayout.X_AXIS));
controls.add(new Label("Normalization Form: "));
controls.add(formComboBox);
controls.add(new Label("Normalization Template:"));
controls.add(normalizationTemplate);
add(controls);
formComboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
paintingComponent.repaint();
}
});
normalizationTemplate.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
paintingComponent.repaint();
}
});
}
}
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