/*
* 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.Collections;
import java.util.Objects;
import org.apache.wicket.request.Response;
import org.apache.wicket.util.lang.Args;
/**
* Free form {@code HeaderItem}. No checks are performed on what is added to the header.
*
* @author papegaaij
*/
public class StringHeaderItem extends HeaderItem
{
/**
* Creates a {@link StringHeaderItem} for the snippet.
*
* @param string
* string to be rendered to head
*
* @return A newly created {@link StringHeaderItem}.
*/
public static StringHeaderItem forString(CharSequence string)
{
return new StringHeaderItem(string);
}
private final CharSequence string;
/**
* Construct.
*
* @param string
*/
public StringHeaderItem(CharSequence string)
{
this.string = Args.notNull(string, "string");
}
/**
* @return the string that gets added to the header.
*/
public CharSequence getString()
{
return string;
}
@Override
public void render(Response response)
{
response.write(getString());
}
@Override
public Iterable<?> getRenderTokens()
{
return Collections.singletonList(getString());
}
@Override
public String toString()
{
return "StringHeaderItem(" + getString() + ")";
}
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
StringHeaderItem that = (StringHeaderItem) o;
return Objects.equals(string, that.string);
}
@Override
public int hashCode()
{
return Objects.hash(string);
}
}