org.apache.struts2.views.java.simple.LinkHandler Maven / Gradle / Ivy
/*
* 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.struts2.views.java.simple;
import org.apache.struts2.views.java.Attributes;
import org.apache.struts2.views.java.TagGenerator;
import java.io.IOException;
import java.util.Map;
public class LinkHandler extends AbstractTagHandler implements TagGenerator {
@Override
public void generate() throws IOException {
Map params = context.getParameters();
Attributes attrs = new Attributes();
attrs.addIfExists("href", params.get(("href")))
.addIfExists("hreflang", params.get("hreflang"))
.addIfExists("rel", params.get("rel"))
.addIfExists("media", params.get("media"))
.addIfExists("sizes", params.get("sizes"))
.addIfExists("crossorigin", params.get("crossorigin"))
.addIfExists("referrerpolicy", params.get("referrerpolicy"))
.addIfExists("type", params.get("type"))
.addIfExists("as", params.get("as"))
.addIfExists("title", params.get("title"));
// see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#attr-disabled
if ("stylesheet".equals(params.get("rel"))) {
attrs.addIfTrue("disabled", params.get("disabled"));
}
start("link", attrs);
end("link");
}
}