Технологии Java
JavaBeans
private String title;
public String getTitle() { return title; }
public void setTitle(String title) { this.title = title; }
private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
public void setTitle(String title) { String oldValue = this.title; this.title = title; pcs.firePropertyChange("title", oldValue, this.title); }
private final VetoableChangeSupport vcs = new VetoableChangeSupport(this);
public void setTitle(String title) throws PropertyVetoException { String oldValue = this.title; vcs.fireVetoableChange("title", oldValue, title); this.title = title; pcs.firePropertyChange("title", oldValue, title); }
JButton button = new JButton("Hello"); button.setAlignmentX(1); XMLEncoder encoder = new XMLEncoder( new BufferedOutputStream( new FileOutputStream("button.xml"))); encoder.writeObject(button); encoder.close();
<?xml version="1.0" encoding="UTF-8"?> <java version="1.8.0_40" class="java.beans.XMLDecoder"> <object class="javax.swing.JButton"> <string>Hello</string> <void property="alignmentX"> <float>1.0</float> </void> </object> </java>
XMLDecoder decoder = new XMLDecoder( new BufferedInputStream( new FileInputStream("button.xml"))); JButton button = (JButton) decoder.readObject(); decoder.close();