| /* |
| * 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.microformats.reltag; |
| |
| import org.apache.nutch.crawl.CrawlDatum; |
| import org.apache.nutch.crawl.Inlinks; |
| import org.apache.nutch.indexer.IndexingFilter; |
| import org.apache.nutch.indexer.IndexingException; |
| import org.apache.nutch.indexer.NutchDocument; |
| import org.apache.hadoop.io.Text; |
| import org.apache.nutch.parse.Parse; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| /** |
| * An {@link org.apache.nutch.indexer.IndexingFilter} that add <code>tag</code> |
| * field(s) to the document. |
| * |
| * @see <a href="http://www.microformats.org/wiki/rel-tag"> |
| * http://www.microformats.org/wiki/rel-tag</a> |
| * @author Jérôme Charron |
| */ |
| public class RelTagIndexingFilter implements IndexingFilter { |
| |
| private Configuration conf; |
| |
| @Override |
| public NutchDocument filter(NutchDocument doc, Parse parse, Text url, |
| CrawlDatum datum, Inlinks inlinks) throws IndexingException { |
| |
| // Check if some Rel-Tags found, possibly put there by RelTagParser |
| String[] tags = parse.getData().getParseMeta() |
| .getValues(RelTagParser.REL_TAG); |
| if (tags != null) { |
| for (int i = 0; i < tags.length; i++) { |
| doc.add("tag", tags[i]); |
| } |
| } |
| |
| return doc; |
| } |
| |
| @Override |
| public void setConf(Configuration conf) { |
| this.conf = conf; |
| } |
| |
| @Override |
| public Configuration getConf() { |
| return this.conf; |
| } |
| |
| } |