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43 package org.netbeans.html.boot.fx;
45 import java.util.logging.Level;
46 import java.util.logging.Logger;
47 import javafx.scene.web.WebEngine;
48 import netscape.javascript.JSObject;
50 /** This is an implementation package - just
51 * include its JAR on classpath and use official browser builder API
52 * to access the functionality.
54 * Redirects JavaScript's messages to Java's {@link Logger}.
56 * @author Jaroslav Tulach <jtulach@netbeans.org>
58 public final class FXConsole {
59 static final Logger LOG = Logger.getLogger(FXConsole.class.getName());
64 static void register(WebEngine eng) {
65 JSObject fn = (JSObject) eng.executeScript(""
66 + "(function(attr, l, c) {"
67 + " window.console[attr] = function(msg) { c.log(l, msg); };"
70 FXConsole c = new FXConsole();
71 c.registerImpl(fn, "log", Level.INFO);
72 c.registerImpl(fn, "info", Level.INFO);
73 c.registerImpl(fn, "warn", Level.WARNING);
74 c.registerImpl(fn, "error", Level.SEVERE);
77 private void registerImpl(JSObject eng, String attr, Level l) {
78 eng.call("call", null, attr, l, this);
81 public void log(Level l, String msg) {