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package dk.thoerup.side9;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.URLConnection;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.xml.sax.SAXException;
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import android.util.Log;
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public class Side9Xml {
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static final int WIDTH = 400;
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static final String BASEURL = "http://apps.todic.net/side9/";
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public static Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
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{
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DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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return builder.parse( new ByteArrayInputStream(str.getBytes()) );
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}
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public static byte[] getContent(String uri) throws IOException {
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byte buffer[] = new byte[256];
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ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
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URL url = new URL(uri);
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URLConnection connection = url.openConnection();
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InputStream is = connection.getInputStream();
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try {
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int count;
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while ( (count = is.read(buffer)) != -1) {
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baos.write(buffer, 0, count);
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}
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} finally {
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try {
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is.close();
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baos.close();
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} catch (Exception e) {} //never mind if close throws an exception
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}
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return baos.toByteArray();
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}
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public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
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String dataURL = BASEURL + "xml.php?width=" + WIDTH;
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byte data[] = getContent( dataURL );
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String xmlData = new String(data, "ISO-8859-1");
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Document doc = parseXML(xmlData);
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Node rootNode = doc.getDocumentElement(); // stations
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NodeList nodes = rootNode.getChildNodes();
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Side9Data side9Data = new Side9Data();
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for (int i=0; i<nodes.getLength(); i++) {
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Node currentNode = nodes.item(i);
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String name = currentNode.getNodeName();
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String content = null;
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if (currentNode.getFirstChild() != null)
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content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
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if (name.equals("imageurl"))
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side9Data.url = BASEURL + content;
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if (name.equals("width"))
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side9Data.width = Integer.parseInt(content);
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if (name.equals("height"))
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side9Data.height = Integer.parseInt(content);
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if (name.equals("caption"))
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side9Data.caption = content;
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}
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Log.i("Side9Xml", "url: " + side9Data.url);
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Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
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Log.i("Side9Xml", "capt: " + side9Data.caption);
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return side9Data;
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}
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}
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