thoerup/side9/Side9Xml.java

package dk.thoerup.side9;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import android.util.Log;


public class Side9Xml {
        
        static final int WIDTH = 450;
        static final String BASEURL = "http://apps.todic.net/side9/"; 

        public static Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
        {
                DocumentBuilder builder =  DocumentBuilderFactory.newInstance().newDocumentBuilder();
                
                return  builder.parse( new ByteArrayInputStream(str.getBytes()) );              
        }
        
        
        public static byte[] getContent(String uri) throws IOException {
                byte buffer[] = new byte[256];
                

                ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
                
                URL url = new URL(uri);
                URLConnection connection = url.openConnection();
                connection.setConnectTimeout(2500);
                InputStream is = connection.getInputStream();
                
                try {
                        int count;
                        while ( (count = is.read(buffer)) != -1) {
                                baos.write(buffer, 0, count);
                        }
                } finally {
                        try {
                                is.close();
                                baos.close();
                        } catch (Exception e) {} //never mind if close throws an exception
                }
                                
                return baos.toByteArray();
        }
        
        public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
                String dataURL = BASEURL + "xml.php?width=" + WIDTH;
                
                byte data[] = getContent( dataURL );
                String xmlData = new String(data, "ISO-8859-1");
                xmlData = xmlData.replace("encoding=\"ISO-8859-1\"", "");
                
                Document doc = parseXML(xmlData);               
                
                Node rootNode = doc.getDocumentElement(); // stations
                NodeList nodes = rootNode.getChildNodes();
                
                Side9Data side9Data = new Side9Data();
                
                for (int i=0; i<nodes.getLength(); i++) {
                        Node currentNode = nodes.item(i);
                        
                        String name = currentNode.getNodeName();
                        String content = null;
                        
                        if (currentNode.getFirstChild() != null)
                                content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value

                        
                        if (name.equals("imageurl")) 
                                side9Data.url = BASEURL + content;
                        if (name.equals("width"))
                                side9Data.width = Integer.parseInt(content);                    
                        if (name.equals("height"))
                                side9Data.height = Integer.parseInt(content);
                        if (name.equals("caption"))
                                side9Data.caption = content;
                }
                
                Log.i("Side9Xml", "url:  " + side9Data.url);
                Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
                Log.i("Side9Xml", "capt: " + side9Data.caption);
                
                                
                return side9Data;
        }
        
}
 
1	torben	632	package dk.thoerup.side9;
2
3			import java.io.ByteArrayInputStream;
4			import java.io.ByteArrayOutputStream;
5			import java.io.IOException;
6			import java.io.InputStream;
7			import java.net.URL;
8			import java.net.URLConnection;
9
10			import javax.xml.parsers.DocumentBuilder;
11			import javax.xml.parsers.DocumentBuilderFactory;
12			import javax.xml.parsers.ParserConfigurationException;
13
14	torben	854	import org.apache.http.HttpResponse;
15			import org.apache.http.client.HttpClient;
16			import org.apache.http.client.methods.HttpGet;
17			import org.apache.http.impl.client.DefaultHttpClient;
18	torben	632	import org.w3c.dom.Document;
19			import org.w3c.dom.Node;
20			import org.w3c.dom.NodeList;
21			import org.xml.sax.SAXException;
22
23	torben	633	import android.util.Log;
24	torben	632
25
26	torben	633
27	torben	632	public class Side9Xml {
28
29	torben	793	static final int WIDTH = 450;
30	torben	632	static final String BASEURL = "http://apps.todic.net/side9/";
31
32			public static Document parseXML(String str) throws SAXException, IOException, ParserConfigurationException
33			{
34			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
35	torben	854
36	torben	632	return builder.parse( new ByteArrayInputStream(str.getBytes()) );
37			}
38
39
40			public static byte[] getContent(String uri) throws IOException {
41			byte buffer[] = new byte[256];
42
43	torben	854
44
45	torben	632	ByteArrayOutputStream baos = new ByteArrayOutputStream(32768); //start buffer size - instead of default 32bytes
46
47			URL url = new URL(uri);
48			URLConnection connection = url.openConnection();
49	torben	703	connection.setConnectTimeout(2500);
50	torben	632	InputStream is = connection.getInputStream();
51
52			try {
53			int count;
54			while ( (count = is.read(buffer)) != -1) {
55			baos.write(buffer, 0, count);
56			}
57			} finally {
58			try {
59			is.close();
60			baos.close();
61			} catch (Exception e) {} //never mind if close throws an exception
62			}
63
64			return baos.toByteArray();
65			}
66
67	torben	634	public static Side9Data loadXml() throws IOException, ParserConfigurationException, SAXException{
68	torben	632	String dataURL = BASEURL + "xml.php?width=" + WIDTH;
69
70			byte data[] = getContent( dataURL );
71	torben	649	String xmlData = new String(data, "ISO-8859-1");
72	torben	854	xmlData = xmlData.replace("encoding=\"ISO-8859-1\"", "");
73
74	torben	632	Document doc = parseXML(xmlData);
75
76			Node rootNode = doc.getDocumentElement(); // stations
77			NodeList nodes = rootNode.getChildNodes();
78
79			Side9Data side9Data = new Side9Data();
80
81			for (int i=0; i<nodes.getLength(); i++) {
82			Node currentNode = nodes.item(i);
83
84			String name = currentNode.getNodeName();
85			String content = null;
86
87			if (currentNode.getFirstChild() != null)
88			content = currentNode.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
89
90
91			if (name.equals("imageurl"))
92			side9Data.url = BASEURL + content;
93			if (name.equals("width"))
94			side9Data.width = Integer.parseInt(content);
95			if (name.equals("height"))
96			side9Data.height = Integer.parseInt(content);
97			if (name.equals("caption"))
98			side9Data.caption = content;
99			}
100	torben	633
101			Log.i("Side9Xml", "url: " + side9Data.url);
102			Log.i("Side9Xml", "size: " + side9Data.width + "/" + side9Data.height);
103			Log.i("Side9Xml", "capt: " + side9Data.caption);
104
105	torben	632
106
107
108
109			return side9Data;
110			}
111
112			}
113