com.github.gwtbootstrap.client.ui.resources.JavaScriptInjector.java Source code

Introduction

Here is the source code for com.github.gwtbootstrap.client.ui.resources.JavaScriptInjector.java

Source

/*
 *  Copyright 2012 GWT-Bootstrap
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.github.gwtbootstrap.client.ui.resources;

import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.HeadElement;
import com.google.gwt.dom.client.ScriptElement;

/**
 * Methods to inject JavaScript code into the document header.
 * 
 * @since 2.0.4.0
 * 
 * @author Carlos Alexandro Becker
 */
public class JavaScriptInjector extends AbstractInjector {

    /**
     * Injects the JavaScript code into a
     * {@code <script type="text/javascript">...</script>} element in the
     * document header.
     * 
     * @param javascript
     *            the JavaScript code
     */
    public static void inject(String javascript) {
        HeadElement head = getHead();
        ScriptElement element = createScriptElement();
        element.setText(javascript);
        head.appendChild(element);
    }

    private static ScriptElement createScriptElement() {
        ScriptElement script = Document.get().createScriptElement();
        script.setAttribute("type", "text/javascript");
        script.setAttribute("charset", "UTF-8");
        return script;
    }

}