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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *  http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.any23.extractor.html;
    19
    20  import org.apache.any23.extractor.ExtractionResult;
    21  import org.apache.any23.extractor.ExtractorDescription;
    22  import org.apache.any23.extractor.TagSoupExtractionResult;
    23  import org.apache.any23.vocab.VCard;
    24  import org.eclipse.rdf4j.model.BNode;
    25  import org.eclipse.rdf4j.model.vocabulary.RDF;
    26  import org.w3c.dom.Node;
    27
    28  /**
    29   * Extractor for the <a href="http://microformats.org/wiki/adr">adr</a> microformat.
    30   *
    31   * @author Gabriele Renzi
    32   */
    33  public class AdrExtractor extends EntityBasedMicroformatExtractor {
    34
    35      private static final VCard vVCARD = VCard.getInstance();
    36
    37      private static final String[] addressFields = { "post-office-box", "extended-address", "street-address", "locality",
    38              "region", "country-name", "postal-code" };
    39
    40      protected String getBaseClassName() {
    41          return "adr";
    42      }
    43
    44      @Override
    45      protected void resetExtractor() {
    46          // Empty.
    47      }
    48
    49      protected boolean extractEntity(Node node, ExtractionResult out) {
    50          if (null == node)
    51              return false;
    52          // try lat & lon
    53          final HTMLDocumentTMLDocument.html#HTMLDocument">HTMLDocument document = new HTMLDocument(node);
    54          BNode adr = getBlankNodeFor(node);
    55          out.writeTriple(adr, RDF.TYPE, vVCARD.Address);
    56          final String extractorName = getDescription().getExtractorName();
    57          for (String field : addressFields) {
    58              HTMLDocument.TextField[] values = document.getPluralTextField(field);
    59              for (HTMLDocument.TextField val : values) {
    60                  conditionallyAddStringProperty(val.source(), adr, vVCARD.getProperty(field), val.value());
    61              }
    62          }
    63          HTMLDocument.TextField[] types = document.getPluralTextField("type");
    64          for (HTMLDocument.TextField val : types) {
    65              conditionallyAddStringProperty(val.source(), adr, vVCARD.addressType, val.value());
    66          }
    67
    68          final TagSoupExtractionResultorg/apache/any23/extractor/TagSoupExtractionResult.html#TagSoupExtractionResult">TagSoupExtractionResult tser = (TagSoupExtractionResult) getCurrentExtractionResult();
    69          tser.addResourceRoot(document.getPathToLocalRoot(), adr, this.getClass());
    70
    71          return true;
    72      }
    73
    74      @Override
    75      public ExtractorDescription getDescription() {
    76          return AdrExtractorFactory.getDescriptionInstance();
    77      }
    78
    79  }