--- /dev/null
+/*
+ * Created on 9 juin 2004
+ * Copyright 2004 Jérôme Nègre
+ */
+package net.sourceforge.phpeclipse.news.pref;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Properties;
+
+import net.sourceforge.phpeclipse.news.Channel;
+import net.sourceforge.phpeclipse.news.Item;
+import net.sourceforge.phpeclipse.news.Plugin;
+
+import org.eclipse.jface.dialogs.IDialogSettings;
+
+/**
+ * @author Jérôme Nègre
+ */
+public class ChannelStore {
+
+ private final static String DEFAULT_CHANNELS_FILE = "default_feeds.properties";
+
+ private final static String BACKENDS_SECTION = "backends";
+
+ private final static String CHANNELS_ORDER_KEY = "order";
+ private final static String TITLE_KEY = "title";
+ private final static String URL_KEY = "url";
+ private final static String TYPE_KEY = "type";
+ private final static String READ_KEY = "read";
+
+ private final static int TYPE_CHANNEL = 1;
+
+ private static Plugin plugin = null;
+
+ public static void init(Plugin plugin) {
+ ChannelStore.plugin = plugin;
+ }
+
+ public static synchronized ArrayList getChannels() {
+ IDialogSettings section = getChannelsSection();
+ String[] uids = section.getArray(CHANNELS_ORDER_KEY);
+ ArrayList result = new ArrayList();
+ for(int i=0; i<uids.length; i++) {
+ String uid = uids[i];
+ IDialogSettings channelSection = section.getSection(uid);
+ String title = channelSection.get(TITLE_KEY);
+ String url = channelSection.get(URL_KEY);
+
+ String[] readUids = channelSection.getArray(READ_KEY);
+ HashSet set = new HashSet();
+ if(readUids != null) {
+ for(int k=0; k<readUids.length; k++) {
+ set.add(readUids[k]);
+ }
+ }
+
+ result.add(new Channel(title, url, set));
+ }
+ return result;
+ }
+
+ public static synchronized void setChannels(ArrayList channels) {
+ IDialogSettings section = getChannelsSection();
+ section.put(CHANNELS_ORDER_KEY,new String[0]);
+ int newSize = channels.size();
+ for(int i=0; i<newSize; i++) {
+ Channel channel = (Channel)channels.get(i);
+ addChannel(section,channel);
+ }
+ }
+
+ public static synchronized void saveReadStatus(ArrayList channels) {
+ IDialogSettings channelsSection = getChannelsSection();
+ Iterator channelIter = channels.iterator();
+ while(channelIter.hasNext()) {
+ Channel channel = (Channel)channelIter.next();
+ IDialogSettings section = channelsSection.getSection(channel.getUID());
+ Iterator itemIter = channel.getItems().iterator();
+ ArrayList readItems = new ArrayList();
+ while(itemIter.hasNext()) {
+ Item item = (Item)itemIter.next();
+ if(item.isReadFlag()) {
+ readItems.add(item.getUID());
+ }
+ }
+ section.put(READ_KEY,(String[])readItems.toArray(new String[0]));
+ }
+ }
+
+ public static synchronized ArrayList getDefaultChannels() {
+ ArrayList result = new ArrayList();
+ try {
+ Properties prop = new Properties();
+ URL propLocation = new URL(Plugin.getDefault().getDescriptor().getInstallURL(), DEFAULT_CHANNELS_FILE);
+ prop.load(propLocation.openStream());
+ Enumeration e = prop.propertyNames();
+ while(e.hasMoreElements()) {
+ String url = (String)e.nextElement();
+ String title = prop.getProperty(url);
+ result.add(new Channel(title, url));
+ }
+ } catch(Exception e) {
+ Plugin.logError("Error while getting default feed list", e);
+ }
+ return result;
+
+ }
+
+ /**
+ * Returns a non null Channels Section,
+ * creating it if needed.
+ * @return
+ */
+ private static IDialogSettings getChannelsSection() {
+ IDialogSettings section = plugin.getDialogSettings().getSection(BACKENDS_SECTION);
+ if(section == null) {
+ section = createDefaultChannelsSection();
+ }
+ return section;
+ }
+
+ private static IDialogSettings createDefaultChannelsSection() {
+ IDialogSettings section = plugin.getDialogSettings().addNewSection(BACKENDS_SECTION);
+ section.put(CHANNELS_ORDER_KEY,new String[0]);
+ //add some default channels from config file
+ Iterator iterator = getDefaultChannels().iterator();
+ while(iterator.hasNext()) {
+ addChannel(section, (Channel)iterator.next());
+ }
+ return section;
+ }
+
+ private static void addChannel(IDialogSettings backendSection, Channel channel) {
+ String title = channel.getTitle();
+ String url = channel.getUrl();
+ String uid = channel.getUID();
+ //check that section does not already exist before
+ //creating it, and if it exists, add it to the order key
+ //only if it's not already in it.
+ IDialogSettings section = backendSection.getSection(uid);
+ boolean addInOrder = true;
+ if(section == null) {
+ //create section
+ section = backendSection.addNewSection(uid);
+ } else {
+ //check if the section is already in the order key
+ String[] orders = backendSection.getArray(CHANNELS_ORDER_KEY);
+ for(int i=0; i<orders.length; i++) {
+ if(orders[i].equals(uid)) {
+ addInOrder = false;
+ break;
+ }
+ }
+ }
+ //set data
+ section.put(TITLE_KEY, title);
+ section.put(URL_KEY, url);
+ section.put(TYPE_KEY, TYPE_CHANNEL);
+ //set order key if needed
+ if(addInOrder) {
+ String[] oldOrder = backendSection.getArray(CHANNELS_ORDER_KEY);
+ String[] newOrder = new String[oldOrder.length+1];
+ System.arraycopy(oldOrder, 0, newOrder, 0, oldOrder.length);
+ newOrder[oldOrder.length] = uid;
+ backendSection.put(CHANNELS_ORDER_KEY,newOrder);
+ }
+ }
+
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff