added caching

1 files changed, 103 insertions, 8 deletions

diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/utils/svdrp/ChannelClient.java b/vdrmanager/src/de/bjusystems/vdrmanager/utils/svdrp/ChannelClient.java
index c087358..5ec1a6a 100644
--- a/vdrmanager/src/de/bjusystems/vdrmanager/utils/svdrp/ChannelClient.java
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/utils/svdrp/ChannelClient.java
@@ -1,33 +1,96 @@
 package de.bjusystems.vdrmanager.utils.svdrp;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.TreeMap;
+
 import de.bjusystems.vdrmanager.R;
 import de.bjusystems.vdrmanager.data.Channel;
 import de.bjusystems.vdrmanager.data.Preferences;
 
 /**
  * Class for retrieving informations about the running program
+ * 
  * @author bju
- *
+ * 
  */
-public class ChannelClient extends SvdrpClient<Channel> {
+public class ChannelClient extends SvdrpClient<Channel> implements
+		SvdrpListener<Channel> {
+
+	private static final ArrayList<String> channelGroups = new ArrayList<String>();
+
+	private static LinkedHashMap<String, ArrayList<Channel>> groupChannels = new LinkedHashMap<String, ArrayList<Channel>>();
+
+	private static TreeMap<String, ArrayList<Channel>> providerChannels = new TreeMap<String, ArrayList<Channel>>();
+
+	private static ArrayList<Channel> channels = new ArrayList<Channel>();
+
+	private static boolean  inited = false;
+
+
+	public ChannelClient(boolean useCache){
+		super();
+		if(useCache == false){
+			clearCache();
+		}
+		addSvdrpListener(this);
+	}
+	
+	private void clearCache(){
+		channelGroups.clear();
+		groupChannels.clear();
+		providerChannels.clear();
+		channels.clear();
+		inited = false;
+	}
+
+	
+	public static ArrayList<String> getChannelGroups() {
+			return channelGroups;
+	}
+
+	public static HashMap<String, ArrayList<Channel>> getGroupChannels() {
+		return groupChannels;
+	}
+
+	public static TreeMap<String, ArrayList<Channel>> getProviderChannels() {
+		return providerChannels;
+	}
+
+	public static ArrayList<Channel> getChannels() {
+		return channels;
+	}
 
 	/**
 	 * Constructor
-	 * @param host host
-	 * @param port port
-	 * @param ssl use ssl
+	 * 
+	 * @param host
+	 *            host
+	 * @param port
+	 *            port
+	 * @param ssl
+	 *            use ssl
 	 */
 	public ChannelClient() {
-		super();
+		this(true);
+
 	}
 
 	/**
 	 * Starts the EPG request
-	 * @param parameter parameter for lste
+	 * 
+	 * @param parameter
+	 *            parameter for lste
 	 */
 	@Override
 	public void run() throws SvdrpException {
-		runCommand("channels " + Preferences.getPreferences().getChannels());
+		if (inited == true) {
+			informListener(SvdrpEvent.CACHE_HIT, null);
+		} else {
+			runCommand("channels " + Preferences.getPreferences().getChannels());
+		}
 	}
 
 	@Override
@@ -40,5 +103,37 @@ public class ChannelClient extends SvdrpClient<Channel> {
 		return R.string.progress_channels_loading;
 	}
 
+	private synchronized void  initChannels(List<Channel> results) {
+		if(inited){
+			return;
+		}
+		ArrayList<Channel> currentChannels = null;
+		for (Channel c : results) {
+			if (c.isGroupSeparator()) {
+				channelGroups.add(c.getName());
+				currentChannels = new ArrayList<Channel>();
+				groupChannels.put(c.getName(), currentChannels);
+			} else {
+				channels.add(c);
+				currentChannels.add(c);
+				String provider = c.getProvider();
+				ArrayList<Channel> channels = providerChannels.get(provider);
+				if (channels == null) {
+					channels = new ArrayList<Channel>();
+					providerChannels.put(provider, channels);
+				}
+				channels.add(c);
+			}
+		}
+		inited = true;
+	}
+
+	public void svdrpEvent(SvdrpEvent event, Channel result) {
+		if(event != SvdrpEvent.FINISHED_SUCCESS){
+			return;
+		}
+		initChannels(getResults());
+		getResults().clear();
+	}
 
 }
\ No newline at end of file