// License: GPL. Copyright 2007 by Immanuel Scholz and others package org.openstreetmap.josm.gui.layer.markerlayer; import static org.openstreetmap.josm.tools.I18n.tr; import java.awt.event.ActionEvent; import java.io.IOException; import java.net.URL; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.SourceDataLine; import javax.swing.JOptionPane; import org.openstreetmap.josm.Main; import org.openstreetmap.josm.data.coor.LatLon; /** * Marker class with audio playback capability. * * @author Frederik Ramm * */ public class AudioMarker extends ButtonMarker { private URL audioUrl; /** * Verifies the parameter whether a new AudioMarker can be created and return * one or return null. */ public static AudioMarker create(LatLon ll, String url) { try { return new AudioMarker(ll, new URL(url)); } catch (Exception ex) { return null; } } private AudioMarker(LatLon ll, URL audioUrl) { super(ll, "speech.png"); this.audioUrl = audioUrl; } @Override public void actionPerformed(ActionEvent ev) { AudioInputStream audioInputStream = null; try { audioInputStream = AudioSystem.getAudioInputStream(audioUrl); } catch (Exception e) { audioMalfunction(e); return; } AudioFormat audioFormat = audioInputStream.getFormat(); SourceDataLine line = null; DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat); try { line = (SourceDataLine) AudioSystem.getLine(info); line.open(audioFormat); } catch (Exception e) { audioMalfunction(e); return; } line.start(); int nBytesRead = 0; byte[] abData = new byte[16384]; while (nBytesRead != -1) { try { nBytesRead = audioInputStream.read(abData, 0, abData.length); } catch (IOException e) { audioMalfunction(e); return; } if (nBytesRead >= 0) { /* int nBytesWritten = */ line.write(abData, 0, nBytesRead); } } line.drain(); line.close(); } void audioMalfunction(Exception ex) { JOptionPane.showMessageDialog(Main.parent, "" + tr("There was an error while trying to play the sound file for this marker.") + "
" + ex.getClass().getName() + ":
" + ex.getMessage() + "", tr("Error playing sound"), JOptionPane.ERROR_MESSAGE); } }