/*
* 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.Collections;
import java.util.Objects;
import org.apache.wicket.request.Response;
import org.apache.wicket.request.UrlUtils;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.util.string.Strings;
/**
* {@link HeaderItem} for script tags that are rendered using a fixed URL, for example resources
* from an external site or context relative urls.
*
* @author papegaaij
*/
public class JavaScriptUrlReferenceHeaderItem extends AbstractJavaScriptReferenceHeaderItem
{
private final String url;
/**
* Creates a new {@code JavaScriptUrlReferenceHeaderItem}.
*
* @param url
* context-relative url of the the javascript resource
* @param id
* id that will be used to filter duplicate reference (it's still filtered by URL
* too)
* @param defer
* specifies that the execution of a script should be deferred (delayed) until after
* the page has been loaded.
* @param charset
* a non null value specifies the charset attribute of the script tag
* @param condition
* the condition to use for Internet Explorer conditional comments. E.g. "IE 7".
*/
public JavaScriptUrlReferenceHeaderItem(String url, String id, boolean defer, String charset,
String condition)
{
super(condition, defer, charset);
this.url = url;
setId(id);
}
/**
* @return context-relative url of the the javascript resource
*/
public String getUrl()
{
return url;
}
@Override
public void render(Response response)
{
internalRenderJavaScriptReference(response,
UrlUtils.rewriteToContextRelative(getUrl(), RequestCycle.get()), getId(), isDefer(),
getCharset(), getCondition(), isAsync());
}
@Override
public Iterable<?> getRenderTokens()
{
String url = UrlUtils.rewriteToContextRelative(getUrl(), RequestCycle.get());
if (Strings.isEmpty(getId()))
return Collections.singletonList("javascript-" + url);
else
return Arrays.asList("javascript-" + getId(), "javascript-" + url);
}
@Override
public String toString()
{
return "JavaScriptUrlReferenceHeaderItem(" + getUrl() + ")";
}
@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;
JavaScriptUrlReferenceHeaderItem that = (JavaScriptUrlReferenceHeaderItem) o;
return Objects.equals(url, that.url);
}
@Override
public int hashCode()
{
return Objects.hash(super.hashCode(), url);
}
}