boot-fx/src/main/java/org/netbeans/html/boot/fx/FXConsole.java
author Jaroslav Tulach <jaroslav.tulach@netbeans.org>
Fri, 07 Feb 2014 07:44:34 +0100
changeset 551 7ca2253fa86d
parent 534 15907d1499fb
child 790 30f20d9c0986
permissions -rw-r--r--
Updating copyright headers to mention current year
     1 /**
     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3  *
     4  * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
     5  *
     6  * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
     7  * Other names may be trademarks of their respective owners.
     8  *
     9  * The contents of this file are subject to the terms of either the GNU
    10  * General Public License Version 2 only ("GPL") or the Common
    11  * Development and Distribution License("CDDL") (collectively, the
    12  * "License"). You may not use this file except in compliance with the
    13  * License. You can obtain a copy of the License at
    14  * http://www.netbeans.org/cddl-gplv2.html
    15  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    16  * specific language governing permissions and limitations under the
    17  * License.  When distributing the software, include this License Header
    18  * Notice in each file and include the License file at
    19  * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    20  * particular file as subject to the "Classpath" exception as provided
    21  * by Oracle in the GPL Version 2 section of the License file that
    22  * accompanied this code. If applicable, add the following below the
    23  * License Header, with the fields enclosed by brackets [] replaced by
    24  * your own identifying information:
    25  * "Portions Copyrighted [year] [name of copyright owner]"
    26  *
    27  * Contributor(s):
    28  *
    29  * The Original Software is NetBeans. The Initial Developer of the Original
    30  * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
    31  *
    32  * If you wish your version of this file to be governed by only the CDDL
    33  * or only the GPL Version 2, indicate your decision by adding
    34  * "[Contributor] elects to include this software in this distribution
    35  * under the [CDDL or GPL Version 2] license." If you do not indicate a
    36  * single choice of license, a recipient has the option to distribute
    37  * your version of this file under either the CDDL, the GPL Version 2 or
    38  * to extend the choice of license to its licensees as provided above.
    39  * However, if you add GPL Version 2 code and therefore, elected the GPL
    40  * Version 2 license, then the option applies only if the new code is
    41  * made subject to such option by the copyright holder.
    42  */
    43 package org.netbeans.html.boot.fx;
    44 
    45 import java.util.logging.Level;
    46 import java.util.logging.Logger;
    47 import javafx.scene.web.WebEngine;
    48 import netscape.javascript.JSObject;
    49 
    50 /** This is an implementation package - just
    51  * include its JAR on classpath and use official browser builder API
    52  * to access the functionality.
    53  * <p>
    54  * Redirects JavaScript's messages to Java's {@link Logger}.
    55  *
    56  * @author Jaroslav Tulach <jtulach@netbeans.org>
    57  */
    58 public final class FXConsole {
    59     static final Logger LOG = Logger.getLogger(FXConsole.class.getName());
    60     
    61     private FXConsole() {
    62     }
    63 
    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); };"
    68             + "})"
    69         );
    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);
    75     }
    76     
    77     private void registerImpl(JSObject eng, String attr, Level l) {
    78         eng.call("call", null, attr, l, this);
    79     }
    80     
    81     public void log(Level l, String msg) {
    82         LOG.log(l, msg);
    83     }
    84 }