DMDirc-Plugins/ui_swing/src/main/java/com/dmdirc/addons/ui_swing/components/text/DMDircImageView.java

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.ui_swing.components.text;

import com.dmdirc.util.URLBuilder;

import java.net.URL;

import javax.swing.text.Element;
import javax.swing.text.html.HTML;
import javax.swing.text.html.ImageView;

/**
 * DMDirc image view, extends default image view but uses DMDirc URLBuilder.
 */
public class DMDircImageView extends ImageView {

    /** The URL builder to use to construct image URLs. */
    private final URLBuilder urlBuilder;

    /**
     * Creates a new DMDirc image view.
     *
     * @param elem       element to view
     * @param urlBuilder The URL builder to use to construct image URLs.
     */
    public DMDircImageView(final URLBuilder urlBuilder, final Element elem) {
        super(elem);

        this.urlBuilder = urlBuilder;
    }

    @Override
    public URL getImageURL() {
        final String src = (String) getElement().getAttributes().
                getAttribute(HTML.Attribute.SRC);

        return src == null ? null : urlBuilder.getUrl(src);
    }

}