Example #1
0
  /**
   * ** Returns a ReverseGeocode instance containing address information ** @param gp The GeoPoint
   * ** @return The ReverseGeocode instance
   */
  private ReverseGeocode getAddressReverseGeocode(GeoPoint gp, String localeStr) {

    /* URL */
    String url = this.getAddressReverseGeocodeURL(gp);
    Print.logInfo("Address URL: " + url);

    /* create XML document */
    Document xmlDoc = GetXMLDocument(url);
    if (xmlDoc == null) {
      return null;
    }

    /* create ReverseGeocode response */
    Element reversegeocode = xmlDoc.getDocumentElement();
    if (!reversegeocode.getTagName().equalsIgnoreCase(TAG_reversegeocode)) {
      return null;
    }

    /* init */
    String address_val = null; // null address
    String house_val = null; // house number
    String road_val = null; // street name
    String city_val = null; // city name
    String county_val = null; // county name
    String state_val = null; // state/province
    String postcode_val = null; // postal code
    String country_name_val = null; // country name
    String country_code_val = null; // country code

    // full address
    NodeList resultList = XMLTools.getChildElements(reversegeocode, TAG_result);
    for (int r = 0; r < resultList.getLength(); r++) {
      Element result = (Element) resultList.item(r);
      // String osmType = XMLTools.getAttribute(result, ATTR_osm_type, null, false);
      address_val = XMLTools.getNodeText(result, " ", false);
      break; // only the first element
    }

    // address components
    NodeList addresspartsList = XMLTools.getChildElements(reversegeocode, TAG_addressparts);
    for (int a = 0; (a < addresspartsList.getLength()); a++) {
      Element addressparts = (Element) addresspartsList.item(a);
      NodeList addresspartsChildren = addressparts.getChildNodes();
      for (int ac = 0; ac < addresspartsChildren.getLength(); ac++) {
        Node child = addresspartsChildren.item(ac);
        if (!(child instanceof Element)) {
          continue;
        }
        Element elem = (Element) child;
        String elemName = elem.getNodeName();
        if (elemName.equalsIgnoreCase(TAG_house)) {
          house_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_tram)) {
          // ignore
        } else if (elemName.equalsIgnoreCase(TAG_road)) {
          road_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_residential)) {
          // ignore
        } else if (elemName.equalsIgnoreCase(TAG_village)) {
          // ignore
        } else if (elemName.equalsIgnoreCase(TAG_town)) {
          if (StringTools.isBlank(city_val)) {
            city_val = XMLTools.getNodeText(elem, " ", false);
          }
        } else if (elemName.equalsIgnoreCase(TAG_city)) {
          city_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_county)) {
          county_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_postcode)) {
          postcode_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_state)) {
          state_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_country)) {
          country_name_val = XMLTools.getNodeText(elem, " ", false);
        } else if (elemName.equalsIgnoreCase(TAG_country_code)) {
          country_code_val = StringTools.trim(XMLTools.getNodeText(elem, " ", false)).toUpperCase();
        } else {
          // elemName unrecognized
        }
      }
      break; // only the first element
    }

    /* populate ReverseGeocode instance */
    ReverseGeocode rg = new ReverseGeocode();
    StringBuffer addr = new StringBuffer();
    // house number /road
    if (!StringTools.isBlank(house_val)) {
      addr.append(house_val);
      if (!StringTools.isBlank(road_val)) {
        addr.append(" ");
        addr.append(road_val);
        rg.setStreetAddress(house_val + " " + road_val);
      } else {
        rg.setStreetAddress(house_val);
      }
    } else if (!StringTools.isBlank(road_val)) {
      addr.append(road_val);
      rg.setStreetAddress(road_val);
    }
    // city/county
    if (!StringTools.isBlank(city_val)) {
      if (addr.length() > 0) {
        addr.append(", ");
      }
      addr.append(city_val);
      rg.setCity(city_val);
    }
    if (!StringTools.isBlank(county_val)) {
      if (StringTools.isBlank(city_val)) {
        // "city" not provided, at least include the "county"
        if (addr.length() > 0) {
          addr.append(", ");
        }
        addr.append("[").append(county_val).append("]");
      }
      // rg.setCounty(county_val);
    }
    // state/province
    if (!StringTools.isBlank(state_val)) {
      if (addr.length() > 0) {
        addr.append(", ");
      }
      addr.append(state_val);
      rg.setStateProvince(state_val);
      if (!StringTools.isBlank(postcode_val)) {
        addr.append(" ").append(postcode_val);
        rg.setPostalCode(postcode_val);
      }
    } else {
      if (!StringTools.isBlank(postcode_val)) {
        if (addr.length() > 0) {
          addr.append(", ");
        }
        addr.append(postcode_val);
        rg.setPostalCode(postcode_val);
      }
    }
    // country
    if (!StringTools.isBlank(country_code_val)) {
      if (country_code_val.equalsIgnoreCase("US")) {
        // if (addr.length() > 0) { addr.append(", "); }
        // addr.append("USA");
      } else if (!StringTools.isBlank(country_name_val)) {
        if (addr.length() > 0) {
          addr.append(", ");
        }
        addr.append(country_name_val);
      } else {
        if (addr.length() > 0) {
          addr.append(", ");
        }
        addr.append(country_code_val);
      }
      rg.setCountryCode(country_code_val);
    }
    // full address
    rg.setFullAddress(addr.toString());

    return rg;
  }
  /* return reverse-geocode using nearest address */
  public ReverseGeocode getAddressReverseGeocode(GeoPoint gp, String localeStr, boolean cache) {

    /* check for failover mode */
    if (this.isReverseGeocodeFailoverMode()) {
      ReverseGeocodeProvider frgp = this.getFailoverReverseGeocodeProvider();
      return frgp.getReverseGeocode(gp, localeStr, cache);
    }

    /* URL */
    String url = this.getAddressReverseGeocodeURL(gp, localeStr);
    Print.logDebug("Google RG URL: " + url);
    // byte xmlBytes[] = HTMLTools.readPage(url);

    /* create XML document */
    Document xmlDoc = GetXMLDocument(url, this.getReverseGeocodeTimeout());
    if (xmlDoc == null) {
      return null;
    }

    /* vars */
    String errCode = null;
    String address = null;

    /* parse "xml" */
    Element kml = xmlDoc.getDocumentElement();
    if (kml.getTagName().equalsIgnoreCase(TAG_kml)) {
      NodeList ResponseList = XMLTools.getChildElements(kml, TAG_Response);
      for (int g = 0; (g < ResponseList.getLength()); g++) {
        Element response = (Element) ResponseList.item(g);
        NodeList responseNodes = response.getChildNodes();
        for (int n = 0; n < responseNodes.getLength(); n++) {
          Node responseNode = responseNodes.item(n);
          if (!(responseNode instanceof Element)) {
            continue;
          }
          Element responseElem = (Element) responseNode;
          String responseNodeName = responseElem.getNodeName();
          if (responseNodeName.equalsIgnoreCase(TAG_name)) {
            // <name>40.479581,-117.773438</name>
          } else if (responseNodeName.equalsIgnoreCase(TAG_Status)) {
            // <Status> ... </Status>
            NodeList statusNodes = responseElem.getChildNodes();
            for (int st = 0; st < statusNodes.getLength(); st++) {
              Node statusNode = statusNodes.item(st);
              if (!(statusNode instanceof Element)) {
                continue;
              }
              Element statusElem = (Element) statusNode;
              String statusNodeName = statusElem.getNodeName();
              if (statusNodeName.equalsIgnoreCase(TAG_code)) {
                errCode = StringTools.trim(GoogleGeocodeV2.GetNodeText(statusElem)); // expect "200"
                break; // we only care about the 'code'
              }
            }
          } else if (responseNodeName.equalsIgnoreCase(TAG_Placemark)) {
            // <Placemark> ... </Placemark>
            String id = responseElem.getAttribute(ATTR_id);
            if ((id != null) && id.equals("p1")) {
              NodeList placemarkNodes = responseElem.getChildNodes();
              for (int pm = 0; pm < placemarkNodes.getLength(); pm++) {
                Node placemarkNode = placemarkNodes.item(pm);
                if (!(placemarkNode instanceof Element)) {
                  continue;
                }
                Element placemarkElem = (Element) placemarkNode;
                String placemarkNodeName = placemarkElem.getNodeName();
                if (placemarkNodeName.equalsIgnoreCase(TAG_address)) {
                  address = GoogleGeocodeV2.GetNodeText(placemarkElem);
                  break; // we only care about the 'address'
                }
              }
            } else {
              // Print.logInfo("Skipping Placemark ID = %s", id);
            }
          }
        }
      }
    }

    /* create address */
    if (FAILOVER_DEBUG) {
      errCode = "620";
    } else if (!StringTools.isBlank(address)) {
      // address found
      ReverseGeocode rg = new ReverseGeocode();
      rg.setFullAddress(address);
      return rg;
    }

    /* check for Google reverse-geocode limit exceeded */
    if ((errCode != null) && errCode.equals("620")) {
      Print.logError("!!!! Google Reverse-Geocode Limit Exceeded [Error 620] !!!!");
      if (this.hasFailoverReverseGeocodeProvider()) {
        this.startReverseGeocodeFailoverMode();
        ReverseGeocodeProvider frgp = this.getFailoverReverseGeocodeProvider();
        Print.logWarn("Failing over to '" + frgp.getName() + "'");
        return frgp.getReverseGeocode(gp, localeStr, cache);
      }
    }

    /* no reverse-geocode available */
    return null;
  }