PhotoCam
PhotoCam is an input component to take photos with the webcam and send them to the backend model.
Documentation
<h:form>
<h:panelGrid columns="3" cellpadding="5">
<p:photoCam widgetVar="pc" listener="#{photoCamView.oncapture}" update="photo" />
<p:commandButton type="button" value="Capture" onclick="PF('pc').capture()"/>
<p:outputPanel id="photo">
<p:graphicImage name="demo/images/photocam/#{photoCamView.filename}.jpeg" rendered="#{not empty photoCamView.filename}"/>
</p:outputPanel>
</h:panelGrid>
</h:form>
@Named
@ViewScoped
public class PhotoCamView implements Serializable {
private String filename;
private String getRandomImageName() {
int i = (int) (Math.random() * 10000000);
return String.valueOf(i);
}
public String getFilename() {
return filename;
}
public void oncapture(CaptureEvent captureEvent) {
filename = getRandomImageName();
byte[] data = captureEvent.getData();
ExternalContext externalContext = FacesContext.getCurrentInstance().getExternalContext();
String newFileName = externalContext.getRealPath("") + File.separator + "resources" + File.separator + "demo" +
File.separator + "images" + File.separator + "photocam" + File.separator + filename + ".jpeg";
FileImageOutputStream imageOutput;
try {
imageOutput = new FileImageOutputStream(new File(newFileName));
imageOutput.write(data, 0, data.length);
imageOutput.close();
}
catch(IOException e) {
throw new FacesException("Error in writing captured image.", e);
}
}
}
