Added a JSON parser and a new DB connection handler and pool

src/zutil/parser/json/JSONWriter.java

@@ -0,0 +1,86 @@
+package zutil.parser.json;
+
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.util.Iterator;
+
+import zutil.parser.json.JSONNode.JSONType;
+
+/**
+ * Writes An JSONNode to an String or stream
+ * 
+ * @author Ziver
+ */
+public class JSONWriter {
+	private PrintStream out;
+	
+	/**
+	 * Creates a new instance of the writer
+	 * 
+	 * @param out the OutputStream that the Nodes will be sent to
+	 */
+	public JSONWriter(OutputStream out){
+		this.out = new PrintStream(out);
+	}
+	
+	/**
+	 * Writes the specified node to the stream
+	 * 
+	 * @param root is the root node
+	 */
+	public void write(JSONNode root){
+		boolean first = true;
+		switch(root.getType()){
+		// Write Map
+		case Map:
+			out.print('{');
+			Iterator<String> it = root.keyIterator();
+			while(it.hasNext()){
+				if(!first)
+					out.print(", ");
+				String key = it.next();
+				try{
+					out.print( Integer.parseInt(key) );
+				}catch(Exception e){
+					out.print('\"');
+					out.print(key);
+					out.print('\"');
+				}				
+				out.print(": ");
+				write( root.get(key) );
+				first = false;
+			}
+			out.print('}');
+			break;
+		// Write an list
+		case List:
+			out.print('[');
+			for(JSONNode node : root){
+				if(!first)
+					out.print(", ");
+				write( node );
+				first = false;
+			}
+			out.print(']');
+			break;		
+		default:
+			if(root.getType() == JSONType.String){
+				out.print('\"');
+				out.print(root.toString());
+				out.print('\"');
+			} else
+				out.print(root.toString());
+			break;
+		}
+		out.flush();
+	}
+	
+	/**
+	 * Closes the internal stream
+	 */
+	public void close(){
+		out.close();
+	}
+	
+}