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package epu.android.jseduite.core;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import android.util.Log;
public class DataHandler extends DefaultHandler {
private enum Tags {
RESULT ("result"),
INFO ("GetInformationResponse"),
BREAKINGNEWS ("breakNews"),
INTERNALNEWS ("internalNews"),
STUDENTSUMMON ("studentSummon"),
EVENT ("events"),
TIMETABLE ("timetable");
private String tagName;
Tags(String name) {
tagName = name;
}
private String getTagName() { return tagName; }
}
private String itemTag = "item";
private Tags tag = null;
private Data data;
private Item currentItem;
private WrapInfo currentWrapInfo;
private boolean innerItem = false;
private boolean innerInfo = false;
public DataHandler() {
super();
}
public Data getParsedData() {
// TODO Auto-generated method stub
return data;
}
@Override
public void startDocument() throws SAXException {
// TODO Auto-generated method stub
data = new Data();
}
@Override
public void endDocument() throws SAXException {
// TODO Auto-generated method stub
}
/**
* Gets be called on opening tags like: <tag> Can provide attribute(s), when
* xml was like: <tag attribute="attributeValue">
*/
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
Log.d(this.getClass().getSimpleName(), "element : " + localName);
try {
tag = Tags.valueOf(Tags.class, localName);
// tag = Tags.valueOf(localName);
Log.d(this.getClass().getSimpleName(), "tag retrieving : " + tag.tagName);
}catch(Exception e){
//do nothing
Log.e(this.getClass().getSimpleName(), e.getMessage());
}
// we get a new item
if (localName.equals(itemTag)) {
innerItem = true;
currentItem = new Item();
currentItem.setSource(attributes.getValue("source"));
Log.d(this.getClass().getSimpleName(), "new currentItem : " + currentItem.getSource());
}
// we get inner info of an item, other than one of Tags
else if (tag == null && innerItem) {
innerInfo = true;
currentWrapInfo = new WrapInfo();
currentWrapInfo.setName(localName);
Log.d(this.getClass().getSimpleName(), "new currentWrapInfo : " + currentWrapInfo.getName());
}
}
/**
* Gets be called on closing tags like: </tag>
*/
@Override
public void endElement(String uri, String localName, String qName)
throws SAXException {
Log.d(this.getClass().getSimpleName(), "end element : " + localName);
try {
tag = Tags.valueOf(localName);
}catch(Exception e){
//do nothing
}
if (localName.equals(itemTag)) {
innerItem = false;
data.addItem(currentItem);
Log.d(this.getClass().getSimpleName(), "add currentItem : " + currentItem.toString());
} else if (tag == null && innerItem && innerInfo) {
innerInfo = false;
currentItem.addInfo(currentWrapInfo);
Log.d(this.getClass().getSimpleName(), "add currentWrapInfo : " + currentWrapInfo.toString());
}
}
/**
* Gets be called on the following structure: <tag>characters</tag>
*/
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
if(innerInfo){
currentWrapInfo.setContent(new String(ch,start,length));
Log.d(this.getClass().getSimpleName(), "char of " + currentWrapInfo.getName() + " : " + new String(ch,start,length).toString());
}
}
} |
