| /* |
| * 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.nutch.indexer.tld; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.net.URL; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.nutch.crawl.CrawlDatum; |
| import org.apache.nutch.crawl.Inlinks; |
| import org.apache.nutch.indexer.IndexingException; |
| import org.apache.nutch.indexer.IndexingFilter; |
| import org.apache.nutch.indexer.NutchDocument; |
| import org.apache.nutch.parse.Parse; |
| import org.apache.nutch.util.URLUtil; |
| import org.apache.nutch.util.domain.DomainSuffix; |
| |
| /** |
| * Adds the Top level domain extensions to the index |
| * |
| * @author Enis Soztutar <enis.soz.nutch@gmail.com> |
| */ |
| public class TLDIndexingFilter implements IndexingFilter { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private Configuration conf; |
| |
| public NutchDocument filter(NutchDocument doc, Parse parse, Text urlText, |
| CrawlDatum datum, Inlinks inlinks) throws IndexingException { |
| |
| try { |
| URL url = new URL(urlText.toString()); |
| DomainSuffix d = URLUtil.getDomainSuffix(url); |
| |
| doc.add("tld", d.getDomain()); |
| |
| } catch (Exception ex) { |
| LOG.warn(ex.toString()); |
| } |
| |
| return doc; |
| } |
| |
| public void setConf(Configuration conf) { |
| this.conf = conf; |
| } |
| |
| public Configuration getConf() { |
| return this.conf; |
| } |
| } |