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package net.sf.flock.impl;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.List;
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import net.sf.flock.FeedI;
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import net.sf.flock.ItemI;
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import net.sf.flock.SubscriptionInfoI;
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/**
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* @version $Revision$
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* @author $Author$
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*/
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class Feed implements FeedI {
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private String title = "New feed";
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private URL site;
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private List items = new ArrayList();
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private SubscriptionInfoI subscriptionInfo;
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/**
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* Constructor Feed.
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* @param subscriptionInfoI
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*/
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public Feed(SubscriptionInfoI subscriptionInfo) {
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this.subscriptionInfo = subscriptionInfo;
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}
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/**
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* Constructor Feed.
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*/
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public Feed() {
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}
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/**
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* @return site, or new URL("http://") if it's null
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* @see net.sf.flock.FeedI#getSite()
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*/
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public URL getSite() {
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if (site!=null) {
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return site;
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} else {
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try {
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return new URL("http://");
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} catch (MalformedURLException e) {
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return null;
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}
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}
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}
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public void setSite(URL site) {
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this.site = site;
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}
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/**
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* @see net.sf.flock.FeedI#getItems()
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*/
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public List getItems() {
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return this.items;
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}
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public ItemI newItem(Date creationTime, String title, String description, URL link) {
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Item item = new Item(this);
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item.setCreationTime(creationTime);
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item.setTitle(title);
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item.setDescription(description);
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item.setLink(link);
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this.items.add( item );
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return item;
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}
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/**
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* @see net.sf.flock.FeedI#getTitle()
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*/
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public String getTitle() {
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return this.title;
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}
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public void setTitle(String title) {
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if (title==null) {
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throw new IllegalArgumentException("Title cannot be null");
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}
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this.title = title;
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}
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/**
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* @see net.sf.flock.FeedI#merge(FeedI)
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*/
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public List merge(FeedI feed) {
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this.setTitle( feed.getTitle() );
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this.setSite( feed.getSite() );
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List newItems = new ArrayList();
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for (Iterator i=feed.getItems().iterator(); i.hasNext(); ) {
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ItemI a = (ItemI)i.next();
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if (!this.getItems().contains(a)) {
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newItems.add(
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this.newItem(
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a.getCreationTime(),
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a.getTitle(),
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a.getDescription(),
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a.getLink()
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)
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);
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}
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}
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return newItems;
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}
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/**
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* @see net.sf.flock.FeedInfoI#getSubscriptionInfo()
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*/
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public SubscriptionInfoI getSubscriptionInfo() {
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return subscriptionInfo;
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}
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/**
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* Sets the subscriptionInfo.
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* @param subscriptionInfo The subscriptionInfo to set
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131
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*/
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132
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0
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public void setSubscriptionInfo(SubscriptionInfoI subscriptionInfo) {
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0
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this.subscriptionInfo = subscriptionInfo;
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}
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}
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