パーサークラス:
public final class SampleParser{
final static String ROOT_NODE = "maths";
final static String ELEMENT_MATHAMETICIAN = "mathametician";
final static String ELEMENT_ID = "id";
final static String ELEMENT_NAME = "name";
final static String ELEMENT_AGE = "age";
private static final String TAG="SampleParser";
/**
* Intentionally commented
*/
private SampleParser() {}
/**
* @param response The XML string which represents the complete news data
* @return news The complete data
*/
public static Maths parse(String response) {
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp;
try {
sp = spf.newSAXParser();
XMLReader xr = sp.getXMLReader();
SampleDataHandler dataHandler = new SampleDataHandler();
xr.setContentHandler(dataHandler);
InputSource source = new InputSource(new StringReader(response));
xr.parse(source);
Maths result = dataHandler.getData();
return result;
} catch (ParserConfigurationException e) {
Log.e(TAG, "parse", e);
} catch (SAXException e) {
Log.e(TAG, "parse", e);
} catch (IOException e) {
Log.e(TAG, "parse", e);
}
return null;
}
static class SampleDataHandler extends DefaultHandler {
/**
*
*/
private static final String TAG="NewsDataHandler";
/**
*
*/
private Maths data;
/**
*
*/
private Mathematician tempElement;
/**
*
*/
private boolean readingAge;
/**
*
*/
private boolean readingName;
/**
*
*/
private boolean readingID;
/**
*
*/
public Maths getData(){
return data;
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.helpers.DefaultHandler#endDocument()
*/
@Override
public void endDocument() throws SAXException {
Log.d(TAG, "endDocument Finished parsing response");
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.helpers.DefaultHandler#endElement(java.lang.String,
* java.lang.String, java.lang.String)
*/
@Override
public void endElement(String uri, String localName, String qName)
throws SAXException {
if(qName.equalsIgnoreCase(ELEMENT_MATHAMETICIAN)){
data.addMathematician(tempElement);
}else if(qName.equalsIgnoreCase(ELEMENT_ID)){
readingID = false;
}else if(qName.equalsIgnoreCase(ELEMENT_NAME)){
readingName = false;
}else if(qName.equalsIgnoreCase(ELEMENT_AGE)){
readingAge = false;
}
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.helpers.DefaultHandler#startDocument()
*/
@Override
public void startDocument() throws SAXException {
data = new Maths();
Log.d(TAG, "startDocument Started parsing response");
}
/*
* (non-Javadoc)
*
* @see
* org.xml.sax.helpers.DefaultHandler#startElement(java.lang.String,
* java.lang.String, java.lang.String, org.xml.sax.Attributes)
*/
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
if(qName.equalsIgnoreCase(ROOT_NODE)){
//data.setData(new ArrayList<NewsElement>());
}else if(qName.equalsIgnoreCase(ELEMENT_AGE)){
readingAge=true;
}else if(qName.equalsIgnoreCase(ELEMENT_MATHAMETICIAN)){
tempElement = new Mathematician();
}else if(qName.equalsIgnoreCase(ELEMENT_ID)){
readingID=true;
}else if(qName.equalsIgnoreCase(ELEMENT_NAME)){
readingName=true;
}
}
/*
* (non-Javadoc)
*
* @see org.xml.sax.helpers.DefaultHandler#characters(char[], int, int)
*/
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
String chars = new String(ch, start, length);
chars = chars.trim();
if(readingID){
try{
tempElement.setId(Integer.parseInt(chars));
}catch(Exception e){
Log.e(TAG, "characters[Parsing ID]", e);
tempElement.setId(-1);
}
}
else if(readingAge){
try{
tempElement.setAge(Integer.parseInt(chars));
}catch(Exception e){
Log.e(TAG, "characters[Parsing Age]", e);
tempElement.setAge(-1);
}
}else if(readingName){
tempElement.setName(chars);
}
}
}
}
使用されたPOJO:
public class Maths {
private ArrayList<Mathematician> mathematicians;
/**
* @return the mathematicians
*/
public ArrayList<Mathematician> getMathematicians() {
return mathematicians;
}
/**
* @param mathematicians the mathematicians to set
*/
public void setMathematicians(ArrayList<Mathematician> mathematicians) {
this.mathematicians = mathematicians;
}
/**
* @param item The item to add
*/
public void addMathematician(Mathematician item){
if(null == mathematicians){
mathematicians = new ArrayList<Mathematician>();
}
mathematicians.add(item);
}
}
public class Mathematician {
private int id;
private String name;
private int age;
/**
* @return the id
*/
public int getId() {
return id;
}
/**
* @param id the id to set
*/
public void setId(int id) {
this.id = id;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the age
*/
public int getAge() {
return age;
}
/**
* @param age the age to set
*/
public void setAge(int age) {
this.age = age;
}
}
私はそれを実行しました、そしてそれはうまくいきます。お役に立てれば。