/*
 * 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.any23.validator.rule;

import org.apache.any23.validator.DOMDocument;
import org.apache.any23.validator.Fix;
import org.apache.any23.validator.Rule;
import org.apache.any23.validator.RuleContext;
import org.apache.any23.vocab.OGP;

/**
 * This fixes the missing <i>Open Graph</i> protocol.
 *
 * @see MissingOpenGraphNamespaceRule
 *
 * @author Michele Mostarda (mostarda@fbk.eu)
 * @author Davide Palmisano (palmisano@fbk.eu)
 */
public class OpenGraphNamespaceFix implements Fix {

    public static final String OPENGRAPH_PROTOCOL_NS = OGP.NS;

    @Override
    public String getHRName() {
        return "opengraph-namespace-fix";
    }

    @Override
    public void execute(Rule rule, @SuppressWarnings("rawtypes") RuleContext context, DOMDocument document) {
        document.addAttribute("/HTML", "xmlns:og", OPENGRAPH_PROTOCOL_NS);
    }

}