/* * Content.java * * Created on 2003年11月5日, 下午8:48 */ package romulus; /** * This class is used to group the ContentItems. * @author Romulus * @version 1.0 */ public class Content implements RomulusNode{ /** All the content items are in this Vector.*/ private java.util.Vector contentitems = new java.util.Vector(); /** content lable.*/ private String label = null; /** ident.*/ private String ident = null; /** Creates a new instance of Content */ Content(String ident, String lable) throws RomulusException{ if(ident == null){ throw new RomulusException(RomulusException.IdentError); } this.ident = ident; this.label = lable; } /** get label*/ public String getLable(){ return label; } public String getIdent(){ return ident; } /** * Add a content item to the content. * @param item the content item added. */ void Add(ContentItem item){ contentitems.add(item); } /** * Remove a content item from the content. * @param item the item will be removed. * @return true if content contents such content item. */ boolean Remove(ContentItem item){ return contentitems.remove(item); } /** * Get the iterator to browse the content. * @return the iterator. */ public java.util.Iterator contentItemIterator(){ return contentitems.iterator(); } /** * @return the size of the content. */ public int size(){ return contentitems.size(); } /** The method used to accept the Visitor to do something. */ public void Accept(Visitor v) throws java.sql.SQLException, RomulusException { v.VisitContent(this); } }
