org.apache.wicket.markup.head.CssUrlReferenceHeaderItem Maven / Gradle / Ivy
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A module that creates a .jar from the classes in wicket, wicket-util and wicket-request modules in order
to create a valid OSGi bundle of the wicket framework.
/*
* 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.markup.head;
import java.util.Arrays;
import java.util.Objects;
import org.apache.wicket.request.Response;
import org.apache.wicket.request.UrlUtils;
import org.apache.wicket.request.cycle.RequestCycle;
/**
* {@link HeaderItem} for style tags that are rendered using a fixed URL, for example resources from
* an external site or context relative urls.
*
* @author papegaaij
*/
public class CssUrlReferenceHeaderItem extends CssHeaderItem
{
private final String url;
private final String media;
/**
* Creates a new {@code CSSUrlReferenceHeaderItem}.
*
* @param url
* context-relative url of the CSS resource
* @param media
* the media type for this CSS ("print", "screen", etc.)
* @param condition
* the condition to use for Internet Explorer conditional comments. E.g. "IE 7".
*/
public CssUrlReferenceHeaderItem(String url, String media, String condition)
{
super(condition);
this.url = url;
this.media = media;
}
/**
* @return context-relative url of the CSS resource
*/
public String getUrl()
{
return url;
}
/**
* @return the media type for this CSS ("print", "screen", etc.)
*/
public String getMedia()
{
return media;
}
@Override
public void render(Response response)
{
internalRenderCSSReference(response,
UrlUtils.rewriteToContextRelative(getUrl(), RequestCycle.get()), getMedia(),
getCondition());
}
@Override
public Iterable getRenderTokens()
{
return Arrays.asList("css-" +
UrlUtils.rewriteToContextRelative(getUrl(), RequestCycle.get()) + "-" + media);
}
@Override
public String toString()
{
return "CSSUrlReferenceHeaderItem(" + getUrl() + ")";
}
@Override
public int hashCode()
{
return Objects.hash(super.hashCode(), url, media);
}
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
CssUrlReferenceHeaderItem that = (CssUrlReferenceHeaderItem) o;
return Objects.equals(url, that.url) &&
Objects.equals(media, that.media);
}
}