src/main/java/osm/jp/gpx/TagTrkpt.java

   1 package osm.jp.gpx;
   2
   3 import java.text.ParseException;
   4 import java.util.Date;
   5
   6 import org.w3c.dom.Document;
   7 import org.w3c.dom.Element;
   8 import org.w3c.dom.NamedNodeMap;
   9 import org.w3c.dom.Node;
  10 import org.w3c.dom.NodeList;
  11
  12 /**
  13  * @code{
  14  * ＜trkpt lat="35.32123832" lon="139.56965631">
  15  *              <ele>47.20000076293945</ele>
  16  *              <time>2012-06-15T03:00:29Z</time>
  17  *              <magvar></magvar>
  18  *              <speed></speed>
  19  *      ＜/trkpt>
  20  * }
  21  *
  22  */
  23 public class TagTrkpt {
  24     public Element trkpt = null;
  25     public Double lat = null;
  26     public Double lon = null;
  27     public String eleStr = null;
  28     public Date time = null;
  29     public String magvarStr = null;
  30     public String speedStr = null;
  31
  32     public TagTrkpt(Element trkpt) {
  33         this.trkpt = (Element) trkpt.cloneNode(true);
  34
  35         NamedNodeMap nodeMap = trkpt.getAttributes();
  36         for (int j=0; j < nodeMap.getLength(); j++ ) {
  37             switch (nodeMap.item(j).getNodeName()) {
  38                 case "lat":
  39                     String latStr = nodeMap.item(j).getNodeValue();
  40                     this.lat = new Double(latStr);
  41                     break;
  42                 case "lon":
  43                     String lonStr = nodeMap.item(j).getNodeValue();
  44                     this.lon = new Double(lonStr);
  45                     break;
  46             }
  47         }
  48
  49         NodeList nodes1 = trkpt.getChildNodes();
  50         for (int i1=0; i1 < nodes1.getLength(); i1++) {
  51             Node node1 = nodes1.item(i1);
  52             NodeList nodes2 = node1.getChildNodes();
  53             switch (node1.getNodeName()) {
  54             case "ele":
  55                 for (int i2=0; i2 < nodes2.getLength(); i2++) {
  56                     Node node2 = nodes2.item(i2);
  57                     if (node2 != null) {
  58                         if (node2.getNodeType() == Node.TEXT_NODE) {
  59                             this.eleStr = node2.getNodeValue();
  60                         }
  61                     }
  62                 }
  63                 break;
  64             case "time":
  65                 for (int i2=0; i2 < nodes2.getLength(); i2++) {
  66                     Node node2 = nodes2.item(i2);
  67                     if (node2 != null) {
  68                         if (node2.getNodeType() == Node.TEXT_NODE) {
  69                             try {
  70                                 this.time = ImportPicture.toUTCDate(node2.getNodeValue());
  71                             } catch (ParseException e) {
  72                                 this.time = null;
  73                             }
  74                         }
  75                     }
  76                 }
  77                 break;
  78             case "magvar":
  79                 for (int i2=0; i2 < nodes2.getLength(); i2++) {
  80                     Node node2 = nodes2.item(i2);
  81                     if (node2 != null) {
  82                         if (node2.getNodeType() == Node.TEXT_NODE) {
  83                             this.magvarStr = node2.getNodeValue();
  84                         }
  85                     }
  86                 }
  87                 break;
  88             case "speed":
  89                 for (int i2=0; i2 < nodes2.getLength(); i2++) {
  90                     Node node2 = nodes2.item(i2);
  91                     if (node2 != null) {
  92                         if (node2.getNodeType() == Node.TEXT_NODE) {
  93                             this.speedStr = node2.getNodeValue();
  94                         }
  95                     }
  96                 }
  97                 break;
  98             }
  99         }
 100     }
 101
 102     public void removeElement(String eleName) {
 103         Node child;
 104         for (child = trkpt.getFirstChild(); child != null; child = child.getNextSibling()) {
 105             NodeList nodeList = child.getChildNodes();
 106             for(int i = 0; i < nodeList.getLength(); i++) {
 107                 Node grandChild = child.getChildNodes().item(i);
 108                 if (grandChild.getNodeName().equals(eleName)) {
 109                     child.removeChild(grandChild);
 110                 }
 111             }
 112         }
 113     }
 114
 115     public void appendElement(String eleName, String valueStr) {
 116         Document doc = trkpt.getOwnerDocument();
 117         Element newElement = doc.createElement(eleName);
 118         newElement.setTextContent(valueStr);
 119         trkpt.appendChild(newElement);
 120     }
 121 }