import java.util.ArrayList;
import java.util.List;



/** 
 * <P>
 * This class represents the data points for a given set of contacts. 
 * Specifically it is used to generate the Javascript code representing an array 
 * of GLatLng objects for use with the Google Maps API.
 * </P>
 * @author Mark Woehrer; edited by Wayne Smith, 4/2009
 * @version 1a5
 */




public class ContactBook {

	/** The list of contacts */

	List<LatLng> listOfContacts;
	
	public ContactBook() {
		super();
		listOfContacts = new ArrayList<LatLng>();
	}

	public void addContact(LatLng contact)
	{
		listOfContacts.add(contact);
	}
	
	/** Create a Javascript array by iterating through each contact list.
	 * The string must be surrounded with square brackets to form a valid 
	 * Javascript array.<br>
	 * <br>
	 * For example:<br>
	 * <br>
	 * [ new GLatLng(10.8, -35.5), new GLatLng(25.6, -67.0), new GLatLng(29.2, -91.3) ]
	 * <P>
	 * @return            A String suitable for use with Javascript
	 */

	public String toString()
	{
		String string = new String();
			
		string += "";
		for(LatLng point : listOfContacts)
		{
			string += " map.addOverlay(new GMarker(new GLatLng(_point_)));\n";
			string = string.replaceAll("_point_", point.toString());
		}
		string += " ";
		
		return string;
		
	}
	
	/**
	 * This is the test method for the class.
	 * @param args
	 */
	public static void main(String[] args) {

		// Create a new ContactBook object
		ContactBook contacts = new ContactBook();
		
		// Add a few test data points from Andrew 1992
		contacts.addContact(new LatLng(10.8, -35.5));
		contacts.addContact(new LatLng(25.6, -67.0));
		contacts.addContact(new LatLng(29.2, -91.3));

		// Test the toString() method
		System.out.println(contacts);
	}

}