/*
* 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.html.image;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.IResource;
import org.apache.wicket.request.resource.ResourceReference;
/**
* A subclass of {@link Image} that always adds random noise to the url every request to prevent the
* browser from caching the image.
*
* @see Image#shouldAddAntiCacheParameter()
*
* @author Igor Vaynberg (ivaynberg)
*/
public class NonCachingImage extends Image
{
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Construct.
*
* @see Image#Image(String, IModel)
*
* @param id
* @param model
*/
public NonCachingImage(String id, IModel<?> model)
{
super(id, model);
}
/**
* Construct.
*
* @see Image#Image(String, org.apache.wicket.request.resource.IResource)
*
* @param id
* @param imageResource
*/
public NonCachingImage(String id, IResource imageResource)
{
super(id, imageResource);
}
/**
* Construct.
*
* @see Image#Image(String, org.apache.wicket.request.resource.ResourceReference,
* org.apache.wicket.request.mapper.parameter.PageParameters)
*
* @param id
* @param resourceReference
* @param resourceParameters
*/
public NonCachingImage(String id, ResourceReference resourceReference,
PageParameters resourceParameters)
{
super(id, resourceReference, resourceParameters);
}
/**
* Construct.
*
* @see Image#Image(String, ResourceReference)
*
* @param id
* @param resourceReference
*/
public NonCachingImage(String id, ResourceReference resourceReference)
{
super(id, resourceReference);
}
/**
* Construct.
*
* @see Image#Image(String, String)
*
*
* @param id
* @param string
*/
public NonCachingImage(String id, String string)
{
super(id, string);
}
/**
* Construct.
*
* @see Image#Image(String)
*
* @param id
*/
public NonCachingImage(String id)
{
super(id);
}
/**
* Overriden to precent caching.
*
* @return always {@code true}
*/
@Override
protected boolean shouldAddAntiCacheParameter()
{
return true;
}
}