/*
    * Copyright (c) 2012-2014, Dienst Landelijk Gebied - Ministerie van Economische Zaken
    * 
    * Gepubliceerd onder de BSD 2-clause licentie, 
    * zie https://github.com/MinELenI/CBSviewer/blob/master/LICENSE.md voor de volledige licentie.
    */
   package nl.mineleni.openls.databinding.gml;
   
   import java.util.Vector;
  
  import nl.mineleni.openls.XmlNamespaceConstants;
  
  /**
   * GML Point. Beschrijft het Point element uit GML 3.2.1.
   * 
   * http://schemas.opengis.net/gml/3.2.1/geometryBasic0d1d.xsd
   * 
   * <pre>
   * 
   * &lt;complexType name="PointType"&gt;
   *   &lt;complexContent&gt;
   *     &lt;extension base="gml:AbstractGeometricPrimitiveType"&gt;
   *       &lt;sequence&gt;
   *         &lt;choice&gt;
   *           &lt;element ref="gml:pos" /&gt;
   *           &lt;element ref="gml:coordinates" /&gt;
   *         &lt;/choice&gt;
   *       &lt;/sequence&gt;
   *     &lt;/extension&gt;
   *   &lt;/complexContent&gt;
   * &lt;/complexType&gt;
   * 
   * </pre>
   * 
   * @author mprins
   * @since 1.7
   * @composed 1 - 0..* Pos
   */
  public class Point implements XmlNamespaceConstants {
  
  	/**
  	 * serialisation id.
  	 */
  	private static final long serialVersionUID = -163863783181316506L;
  
  	/** position list. */
  	private final Vector<Pos> pos = new Vector<>();;
  
  	/** The srs name. */
  	private String srsName;
  
  	/** The has srs name. */
  	private boolean hasSrsName;
  
  	/**
  	 * Instantiates a new point.
  	 */
  	public Point() {
  		this.hasSrsName = false;
  	}
  
  	/**
  	 * Adds the pos.
  	 * 
  	 * @param p
  	 *            the p
  	 */
  	public void addPos(final Pos p) {
  		this.pos.add(p);
  	}
  
  	/**
  	 * Gets the pos at.
  	 * 
  	 * @param i
  	 *            the i
  	 * @return the pos at
  	 */
  	public Pos getPosAt(final int i) {
  		return this.pos.get(i);
  	}
  
  	/**
  	 * Gets the pos size.
  	 * 
  	 * @return the pos size
  	 */
  	public int getPosSize() {
  		return this.pos.size();
  	}
  
  	/**
  	 * Sets the srs name.
  	 * 
  	 * @param srsName
  	 *            the new srs name
  	 */
  	public void setSrsName(final String srsName) {
  		this.hasSrsName = true;
 		this.srsName = srsName;
 	}
 
 	/**
 	 * Gets the srs name.
 	 * 
 	 * @return the srs name
 	 */
 	public String getSrsName() {
 		return this.srsName;
 	}
 
 	/**
 	 * Checks for srs name.
 	 * 
 	 * @return true, if successful
 	 */
 	public boolean hasSrsName() {
 		return this.hasSrsName;
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see nl.mineleni.openls.XmlNamespaceConstants#toXML()
 	 */
 	@Override
 	public String toXML() {
 		final StringBuilder sb = new StringBuilder("<"
 				+ XmlNamespaceConstants.OGC_GML_NAMESPACE_PREFIX + ":Point");
 
 		if (this.hasSrsName()) {
 			sb.append(" srsName=\"").append(this.getSrsName()).append("\"");
 		}
 		sb.append(">");
 		for (final Pos p : this.pos) {
 			sb.append(p.toXML());
 		}
 		sb.append("</" + XmlNamespaceConstants.OGC_GML_NAMESPACE_PREFIX
 				+ ":Point>");
 		return sb.toString();
 	}
 }