/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.wicket.extensions.yui;
import org.apache.wicket.Application;
import org.apache.wicket.IClusterable;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.apache.wicket.markup.html.resources.JavascriptResourceReference;
/**
* Use the {@link #load(IHeaderResponse)} method to initialize the YUI library using the YUI loader.
* It is OK to call this multiple times.
*
* @author eelcohillenius
*/
public final class YuiLib implements IClusterable
{
private static final long serialVersionUID = 1L;
private static ResourceReference YUILOADER;
/**
* Load the YUI loader script. After that, you can declare YUI dependencies using
* YAHOO.util.YUILoader.
*
* @param response
* header response
*/
public static void load(IHeaderResponse response)
{
response.renderJavascriptReference(getYuiLoader());
}
private static ResourceReference getYuiLoader()
{
if (YUILOADER == null)
{
StringBuffer sb = new StringBuffer();
sb.append("yuiloader");
if (Application.DEPLOYMENT.equals(Application.get().getConfigurationType()))
{
sb.append("-min");
}
sb.append(".js");
YUILOADER = new JavascriptResourceReference(YuiLib.class, sb.toString());
}
return YUILOADER;
}
/**
* Prevent construction.
*/
private YuiLib()
{
}
}