DocumentBuilderFactory を使用して xml 文字列を解析する際に問題が発生しています。log.d("File",file) を見ると、ファイルには必要な xml 文字列が含まれています。しかし、Document doc = db.parse(inputSource) を使用してドキュメントを取得すると、SAXException が返されます。誰かが私のコーディングの何が問題なのか教えてもらえますか? ありがとうございました。
String query="https://maps.googleapis.com/maps/api/directions/xml?origin=33.78917,-118.107626&destination=33.77319,-118.125221&sensor=true";
url = new URL(query);
URLConnection connection = url.openConnection();
HttpURLConnection httpConnection = (HttpURLConnection)connection;
int responseCode = httpConnection.getResponseCode();
InputStreamReader in = new InputStreamReader(httpConnection.getInputStream());
InputStream inputStream = httpConnection.getInputStream();
BufferedReader buf = new BufferedReader(in);
String file="";
while(buf.readLine()!=null){
file+=buf.readLine();
Log.d("File", file);
}
if(responseCode==HttpURLConnection.HTTP_OK){
DocumentBuilderFactory dbf =DocumentBuilderFactory.newInstance();
DocumentBuilder db= dbf.newDocumentBuilder();
//parse xml file
//Document doc = db.parse(file);
InputSource inputSource = new InputSource();
inputSource.setCharacterStream(new StringReader(file));
Log.d("COde",httpConnection.getResponseCode()+"");
try{
Document doc = db.parse(inputSource);
Element el = doc.getDocumentElement();
NodeList nl = el.getElementsByTagName("step");
Log.d("COde",httpConnection.getResponseCode()+"");
Path p;
if(nl!=null && nl.getLength()>0){
for(int i=0; i<nl.getLength();i++){
Node entry =nl.item(i);
NodeList child= entry.getChildNodes();
Log.d("List Size",list.size()+"size");
Element elements = (Element)entry.getChildNodes();
Element sPoint = (Element) elements.getElementsByTagName("start_location");
Element ePoint = (Element)elements.getElementsByTagName("end_location");
Point sP = new Point(sPoint.getFirstChild().getNodeValue(),sPoint.getLastChild().getTextContent());
Point eP = new Point(ePoint.getFirstChild().getTextContent(),ePoint.getLastChild().getTextContent());
String durationValue = elements.getElementsByTagName("duration").item(0).getNodeValue();
Log.d("Duration",durationValue);
String durationText = elements.getElementsByTagName("duration").item(1).getNodeValue();
String instr= elements.getElementsByTagName("html_instructions").item(0).getNodeValue();
String distanceValue =elements.getElementsByTagName("distance").item(0).getNodeValue();
String distanceText = elements.getElementsByTagName("duration").item(1).getNodeValue();
p = new Path(sP,eP,durationText,distanceText,instr);
list.add(p);
Log.d("List Size",list.size()+"size");
}
}
}
finally{}
}
}
catch(MalformedURLException e1){
Log.d("HTTP_CALL","MalformedURLException");
}
catch(ParserConfigurationException e1){
Log.d("HTTP_CALL","ParserConfigurationException");
}
catch(SAXException e1){
Log.d("HTTP_CALL","SAXException");
}catch(IOException e1){
Log.d("HTTP_CALL","IOException");
}