incomplete XML add

.classpath

@@ -10,5 +10,6 @@
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="lib" path="C:/Users/Christopher/Development/worldwind-2.0.0/worldwindx.jar" sourcepath="C:/Users/Christopher/Development/worldwind-2.0.0/src"/>
+	<classpathentry kind="lib" path="C:/Users/Christopher/Development/jdom-2.0.6.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

SatelliteDB.xml

+<?xml version="1.0" ?><SatelliteDB></SatelliteDB>
\ No newline at end of file

bin/.gitignore

+/XML/

data.xml

+<?xml version="1.0" ?><cars><supercars company="Ferrari"><carname type="formula one">Ferrari 101</carname><carname type="sports">Ferrari 202</carname></supercars></cars>
\ No newline at end of file

src/XML/CreateXML.java

-package XML;
-
-import java.io.IOException;
-import java.io.StringWriter;
-
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-
-public class CreateXML {
-      try {
-         StringWriter stringWriter = new StringWriter();
-
-         XMLOutputFactory xMLOutputFactory = XMLOutputFactory.newInstance();	
-         XMLStreamWriter xMLStreamWriter = xMLOutputFactory.createXMLStreamWriter(stringWriter);
-   
-         xMLStreamWriter.writeStartDocument();
-         xMLStreamWriter.writeStartElement("cars");
-   
-         xMLStreamWriter.writeStartElement("supercars");			
-         xMLStreamWriter.writeAttribute("company", "Ferrari");
-      
-         xMLStreamWriter.writeStartElement("carname");			
-         xMLStreamWriter.writeAttribute("type", "formula one");
-         xMLStreamWriter.writeCharacters("Ferrari 101");
-         xMLStreamWriter.writeEndElement();
-
-         xMLStreamWriter.writeStartElement("carname");			
-         xMLStreamWriter.writeAttribute("type", "sports");
-         xMLStreamWriter.writeCharacters("Ferrari 202");
-         xMLStreamWriter.writeEndElement();
-
-         xMLStreamWriter.writeEndElement();
-         xMLStreamWriter.writeEndDocument();
-
-         xMLStreamWriter.flush();
-         xMLStreamWriter.close();
-
-         String xmlString = stringWriter.getBuffer().toString();
-
-         stringWriter.close();
-
-         System.out.println(xmlString);
-
-      } catch (XMLStreamException e) {
-         e.printStackTrace();
-      } catch (IOException e) {
-         // TODO Auto-generated catch block
-         e.printStackTrace();
-      }
-}
\ No newline at end of file

src/XML/SatelliteXMLDB.java

+package XML;
+
+import java.io.*;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.xml.stream.*;
+import javax.xml.stream.events.StartElement;
+import javax.xml.stream.events.XMLEvent;
+
+import org.xml.sax.*;
+import org.jdom2.Attribute;
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.JDOMException;
+import org.jdom2.input.SAXBuilder;
+import org.jdom2.output.Format;
+import org.jdom2.output.XMLOutputter;
+
+import XML.*;
+
+
+/**
+ * <h3>TEST</h3>
+ * <h2>
+ * <SatelliteDB>
+ * 	<Constillation>
+ * 		<Name>
+ * 		<Satellite>
+ * 			<Name>
+ * 			<TLE>
+ * 				<line1>
+ * 				<line2>
+ * 			<img>
+ * 			<LaunchDate>
+ * 				<LaunchDate String>
+ * 				<LaunchDate int>
+ * 			<Mission>
+ * 		</Satellite>
+ * 	</Constillation>
+ * <SatellliteDB>
+ * </h2>
+ * 
+ * 
+ * @author Christopher
+ *
+ */
+public class SatelliteXMLDB{
+	final static String NOAA = "NOAA"; 
+	final static String STATIONS = "STATIONS"; 
+	final static String GPS = "GPS"; 
+	final static String OTHER = "OTHER"; 
+	
+	private String dbName;
+	
+	public SatelliteXMLDB(){
+	}
+	
+	public SatelliteXMLDB(String name){
+		dbName = name;
+		this.startXMLDB(name);
+	}
+	
+	public SatelliteXMLDB(String name,String[] args){
+		dbName = name;
+		this.startXMLDB(name);
+		for(int i = 0;i<args.length;i++){
+			if(args[i].equals(NOAA)){
+				
+			}else if(args[i].equals(STATIONS)){
+				
+			}else if(args[i].equals(GPS)){
+				
+			}else{
+				System.err.println("Not sure what "+args[i]+" is.");
+			}
+		}
+	}
+
+	public void startXMLDB(String name){
+		dbName = name;
+		File f = new File(name);
+		if(f.exists() && !f.isDirectory()) { 
+		    System.err.println("File: "+name+" already exisits.");
+		}else{
+		
+			try{
+			 PrintWriter writer = new PrintWriter(name, "UTF-8");
+		     StringWriter stringWriter = new StringWriter();
+	
+		     XMLOutputFactory xMLOutputFactory = XMLOutputFactory.newInstance();	
+		     XMLStreamWriter xMLStreamWriter = xMLOutputFactory.createXMLStreamWriter(stringWriter);
+	
+		     xMLStreamWriter.writeStartDocument();
+		     xMLStreamWriter.writeStartElement("SatelliteDB");
+		     
+		     xMLStreamWriter.writeEndElement();
+		     xMLStreamWriter.writeEndDocument();
+	
+		     xMLStreamWriter.flush();
+		     xMLStreamWriter.close();
+	
+		     String xmlString = stringWriter.getBuffer().toString();
+	
+		     stringWriter.close();
+	
+		     System.out.println(xmlString);
+		     writer.print(xmlString);
+		     writer.close();
+		     
+			} catch (XMLStreamException e) {
+				     e.printStackTrace();
+			} catch (IOException e) {
+				     e.printStackTrace();
+			}
+		}
+	}
+	
+	public String getFileName(){
+		return this.dbName;
+	}
+	
+	public void addConstellation(String name){
+		
+		try {
+	         XMLInputFactory factory = XMLInputFactory.newInstance();
+	         XMLEventReader eventReader =
+	            factory.createXMLEventReader(
+	               new FileReader(this.dbName));
+	         SAXBuilder saxBuilder = new SAXBuilder();
+	         Document document = saxBuilder.build(new File(this.dbName));
+	         Element rootElement = document.getRootElement();
+	         List<Element> studentElements = rootElement.getChildren("SatelliteDB");
+	         while(eventReader.hasNext()){
+	            XMLEvent event = eventReader.nextEvent();
+	            switch(event.getEventType()){
+	               case XMLStreamConstants.START_ELEMENT:
+	               StartElement startElement = event.asStartElement();
+	               String qName = startElement.getName().getLocalPart();
+
+	               if (qName.equalsIgnoreCase("student")) {				        	
+	                  Iterator<Attribute> attributes = startElement.getAttributes();
+	                  String rollNo = attributes.next().getValue();				           
+	                  if(rollNo.equalsIgnoreCase("393")){     	 
+	                     //get the student with roll no 393				                 
+	                     for(int i=0;i < studentElements.size();i++){
+	                        Element studentElement = studentElements.get(i);
+	                        if(studentElement.getAttribute("rollno").getValue().equalsIgnoreCase("393")){
+	                           studentElement.removeChild("marks");
+	                           studentElement.addContent(new Element("marks").setText("80"));
+	                        }
+	                    }
+	                  }
+	               }       
+	               break;
+	            }		    
+	         }
+	         XMLOutputter xmlOutput = new XMLOutputter();
+	         // display xml
+	         xmlOutput.setFormat(Format.getPrettyFormat());
+	         xmlOutput.output(document, System.out); 
+	      } catch (FileNotFoundException e) {
+	         e.printStackTrace();
+	      } catch (XMLStreamException e) {
+	         e.printStackTrace();
+	      } catch (JDOMException e) {
+	         e.printStackTrace();
+	      } catch (IOException e) {
+	         e.printStackTrace();
+	      }
+		
+	}
+	
+	public static void addSatellite(String name, String tle1, String tle2, String img, Date launchDate, String mission){
+		
+	}
+
+	public static void main(String[] args){
+		
+		String[] satellites = {NOAA,GPS,OTHER};
+		SatelliteXMLDB SatelliteDB = new SatelliteXMLDB("SatelliteDB.xml", satellites);
+		SatelliteDB.addConstellation("GPS");
+		
+
+	}   
+
+}

src/XML/XML.java

-package XML;
-
-import java.io.File;
-import javax.xml.parsers.SAXParser;
-import javax.xml.parsers.SAXParserFactory;
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-import org.xml.sax.helpers.DefaultHandler;
-
-/**
- * 
- * <SatelliteDB>
- * 	<Constillation>
- * 		<Name>
- * 		<Satellite>
- * 			<Name>
- * 			<TLE>
- * 				<line1>
- * 				<line2>
- * 			<img>
- * 			<LaunchDate>
- * 			<Mission>
- * 		</Satellite>
- * 	</Constillation>
- * <SatellliteDB>
- * 
- * 
- * 
- * @author Christopher
- *
- */
-public class XML{
-	   public static void main(String[] args){
-
-		   //CreateXML();
-		   
-		   }   
-
-}