/*
* 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.http2;
import org.apache.wicket.Application;
import org.apache.wicket.MetaDataKey;
import org.apache.wicket.http2.markup.head.NoopPushBuilder;
import org.apache.wicket.http2.markup.head.PushBuilder;
import org.apache.wicket.util.lang.Args;
/**
* The http2 settings used to get the vendor specific push builder API
*
* @author Martin Grigorov
*/
public class Http2Settings
{
/**
* The meta data key of the http2 settings
*/
private static final MetaDataKey<Http2Settings> KEY = new MetaDataKey<Http2Settings>()
{
private static final long serialVersionUID = 1L;
};
/**
* Holds this Http2Settings in the Application's meta data. This way wicket-core module doesn't
* have reference to wicket-http2-core
*/
public static final class Holder
{
/**
* Gets the http2 settings from the given application
*
* @param application
* the application to get the meta data from
* @return the http2 settings
*/
public static Http2Settings get(Application application)
{
Http2Settings settings = application.getMetaData(KEY);
if (settings == null)
{
synchronized (application)
{
if (settings == null)
{
settings = new Http2Settings();
set(application, settings);
}
}
}
return settings;
}
/**
* Sets the given http2 settings to the given application
*
* @param application
* the application to set the meta data key to
* @param settings
* the http2 settings to be set to the application
*/
public static void set(Application application, Http2Settings settings)
{
application.setMetaData(KEY, settings);
}
}
private PushBuilder pushBuilder = NoopPushBuilder.INSTANCE;
/**
* Sets the push builder that has been initialized
*
* @param pushBuilder
* the push builder to be used after the initialization
* @return the push builder
*/
public Http2Settings setPushBuilder(PushBuilder pushBuilder)
{
this.pushBuilder = Args.notNull(pushBuilder, "pushBuilder");
return this;
}
/**
* Gets the push builder which has been initialized
*
* @return the push builder
*/
public PushBuilder getPushBuilder()
{
return pushBuilder;
}
}