ObeyRobotsPolicy.java

/*
 *  This file is part of the Heritrix web crawler (crawler.archive.org).
 *
 *  Licensed to the Internet Archive (IA) by one or more individual 
 *  contributors. 
 *
 *  The IA 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.archive.modules.net;

import org.archive.modules.CrawlURI;

/**
 * Classic obey-robots-as-declared policy. 
 * 
 * @contributor gojomo
 */
public class ObeyRobotsPolicy extends RobotsPolicy {
    public static RobotsPolicy INSTANCE = new ObeyRobotsPolicy(); 
    
    @Override
    public boolean allows(String userAgent, CrawlURI curi, Robotstxt robotstxt) {
        return robotstxt.getDirectivesFor(userAgent).allows(getPathQuery(curi));
    }

    @Override
    public boolean obeyMetaRobotsNofollow() {
        return true;
    }

}