org.apache.wicket.markup.head.AbstractJavaScriptReferenceHeaderItem Maven / Gradle / Ivy
Go to download
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.Objects;
/**
* A {@link org.apache.wicket.markup.head.HeaderItem} that supports async,
* defer and charset attributes
*/
public abstract class AbstractJavaScriptReferenceHeaderItem extends JavaScriptHeaderItem
{
private boolean async;
private boolean defer;
private String charset;
/**
* Constructor.
*
* @param condition
* The condition to use for Internet Explorer conditional comments. E.g. "IE 7".
* {@code null} or empty string for no condition.
* @param defer
* a flag indicating whether the execution of a script should be deferred (delayed)
* until after the page has been loaded.
* @param charset
* the charset to use when reading the script content
*/
protected AbstractJavaScriptReferenceHeaderItem(String condition, boolean defer, String charset)
{
super(condition);
this.defer = defer;
this.charset = charset;
}
/**
* @return if the script should be loaded and executed asynchronously
*/
public boolean isAsync()
{
return async;
}
public AbstractJavaScriptReferenceHeaderItem setAsync(boolean async)
{
this.async = async;
return this;
}
/**
* @return if the execution of a script should be deferred (delayed) until after the page has been loaded.
*/
public boolean isDefer()
{
return defer;
}
public AbstractJavaScriptReferenceHeaderItem setDefer(boolean defer)
{
this.defer = defer;
return this;
}
/**
* @return the optional value of the charset attribute of the script tag
*/
public String getCharset()
{
return charset;
}
public AbstractJavaScriptReferenceHeaderItem setCharset(String charset)
{
this.charset = charset;
return this;
}
@Override
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AbstractJavaScriptReferenceHeaderItem that = (AbstractJavaScriptReferenceHeaderItem) o;
return async == that.async &&
defer == that.defer &&
Objects.equals(charset, that.charset);
}
@Override
public int hashCode()
{
return Objects.hash(async, defer, charset);
}
}