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- package com.lookedpath.firstlesson;
- import java.io.IOException;
- import java.io.StringReader;
- import java.io.UnsupportedEncodingException;
- import javax.xml.parsers.DocumentBuilder;
- import javax.xml.parsers.DocumentBuilderFactory;
- import javax.xml.parsers.ParserConfigurationException;
- import org.apache.http.HttpEntity;
- import org.apache.http.HttpResponse;
- import org.apache.http.client.ClientProtocolException;
- import org.apache.http.client.methods.HttpPost;
- import org.apache.http.impl.client.DefaultHttpClient;
- import org.apache.http.util.EntityUtils;
- import org.w3c.dom.Document;
- import org.w3c.dom.Element;
- import org.w3c.dom.Node;
- import org.w3c.dom.NodeList;
- import org.xml.sax.InputSource;
- import org.xml.sax.SAXException;
- import android.util.Log;
- public class XMLParser {
- public String getXmlFromUrl(String url) {
- String xml = null;
- try {
- // defaultHttpClient
- DefaultHttpClient httpClient = new DefaultHttpClient();
- HttpPost httpPost = new HttpPost(url);
- HttpResponse httpResponse = httpClient.execute(httpPost);
- HttpEntity httpEntity = httpResponse.getEntity();
- xml = EntityUtils.toString(httpEntity);
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- } catch (ClientProtocolException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- // return XML
- return xml;
- }
- public Document getDomElement(String xml){
- Document doc = null;
- DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
- try {
- DocumentBuilder db = dbf.newDocumentBuilder();
- InputSource is = new InputSource();
- is.setCharacterStream(new StringReader(xml));
- doc = db.parse(is);
- } catch (ParserConfigurationException e) {
- Log.e("Error: ", e.getMessage());
- return null;
- } catch (SAXException e) {
- Log.e("Error: ", e.getMessage());
- return null;
- } catch (IOException e) {
- Log.e("Error: ", e.getMessage());
- return null;
- }
- // return DOM
- return doc;
- }
- public String getValue(Element item, String str) {
- NodeList n = item.getElementsByTagName(str);
- return this.getElementValue(n.item(0));
- }
- public final String getElementValue( Node elem ) {
- Node child;
- if( elem != null){
- if (elem.hasChildNodes()){
- for( child = elem.getFirstChild(); child != null; child = child.getNextSibling() ){
- if( child.getNodeType() == Node.TEXT_NODE ){
- return child.getNodeValue();
- }
- }
- }
- }
- return "";
- }
- }
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