/*
* Copyright 2011 OverZealous Creations, LLC
*
* Licensed 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 com.overzealous.remark.convert;
import com.overzealous.remark.util.BlockWriter;
import org.jsoup.nodes.Element;
/**
* Handles img tags.
* @author Phil DeJarnett
*/
public class Image extends AbstractNodeHandler {
/**
* Creates a link reference to an image, and renders the correct output.
*
* @param parent The previous node walker, in case we just want to remove an element.
* @param node Node to handle
* @param converter Parent converter for this object.
*/
public void handleNode(NodeHandler parent, Element node, DocumentConverter converter) {
String url = converter.cleaner.cleanUrl(node.attr("src"));
String alt = node.attr("alt");
if(alt == null || alt.trim().length() == 0) {
alt = node.attr("title");
if(alt == null) {
alt = "";
}
}
alt = converter.cleaner.clean(alt.trim());
if(converter.options.inlineLinks) {
if(alt.length() == 0) {
alt = "Image";
}
converter.output.printf("", alt, url);
} else {
String linkId = converter.addLink(url, alt, true);
// give a usable description based on filename whenever possible
if(alt.length() == 0) {
alt = linkId;
}
BlockWriter out = converter.output;
if(alt.equals(linkId)) {
out.printf("![%s][]", linkId);
} else {
out.printf("![%s][%s]", alt, linkId);
}
}
}
}