Testing and Deployment: Quality Is King - Deploying and Managing a Cloud Infrastructure - page 312

public static RSSReader getInstance() {
if(instance == null) {
instance = new RSSReader();
}
return instance;
}
public void writeNews() {
try {
DocumentBuilder builder = DocumentBuilderFactory
.newInstance().newDocumentBuilder();
URL u = new URL("http://feeds.bbci.co.uk/news/world/rss.xml?edition=uk#");
Document doc = builder.parse(u.openStream());
NodeList nodes = doc.getElementsByTagName("item");
for(int i=0;i<nodes.getLength();i++) {
Element element = (Element)nodes.item(i);
System.out.println("Title: " + getElementValue(element,"title"));
System.out.println("Link: " + getElementValue(element,"link"));
System.out.println("Publish Date: "
+ getElementValue(element,"pubDate"));
System.out.println("author: " + getElementValue(element,"dc:creator"));
System.out.println("comments: "
+ getElementValue(element,"wfw:comment"));
System.out.println("description: " + getElementValue(element,"descript
ion"));
System.out.println();
}
} catch(Exception ex) {
ex.printStackTrace();
}
}
private String getCharacterDataFromElement(Element e) {
try {
Node child = e.getFirstChild();
if(child instanceof CharacterData) {
CharacterData cd = (CharacterData) child;
return cd.getData();
}
} catch(Exception ex) {
}
return "";
}