/*
* 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 java.io.IOException;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.apache.wicket.util.image.ImageUtil;
import org.apache.wicket.util.resource.ResourceStreamNotFoundException;
/**
* The inline image is used to embed the complete image content within a HTML document.
*
* @author Tobias Soloschenko
* @since 6.20.0
*
*/
public class InlineImage extends WebComponent
{
private static final long serialVersionUID = 1L;
private PackageResourceReference packageResourceReference;
/**
* Creates an inline image
*
* @param id
* the id
* @param packageResourceReference
* the package resource reference of the image
*/
public InlineImage(String id, PackageResourceReference packageResourceReference)
{
this(id, null, packageResourceReference);
}
/**
* Creates an inline image
*
* @param id
* the id
* @param model
* the model of the inline image
* @param packageResourceReference
* the package resource reference of the image
*/
public InlineImage(String id, IModel<?> model, PackageResourceReference packageResourceReference)
{
super(id, model);
this.packageResourceReference = packageResourceReference;
}
/**
* Renders the complete image tag with the base64 encoded content.
*/
@Override
protected void onComponentTag(ComponentTag tag)
{
super.onComponentTag(tag);
checkComponentTag(tag, "img");
try
{
tag.put("src", ImageUtil.createBase64EncodedImage(packageResourceReference, false));
}
catch (ResourceStreamNotFoundException e)
{
throw new WicketRuntimeException("Couldn't find the resource stream", e);
}
catch (IOException e)
{
throw new WicketRuntimeException("Error while reading the resource stream", e);
}
}
}