Add metadata listeners to components.

[sonitus.git] / src / main / java / net / pterodactylus / sonitus / data / source / StreamSource.java

diff --git a/src/main/java/net/pterodactylus/sonitus/data/source/StreamSource.java b/src/main/java/net/pterodactylus/sonitus/data/source/StreamSource.java
index d9df054..4cb47e1 100644 (file)
--- a/src/main/java/net/pterodactylus/sonitus/data/source/StreamSource.java
+++ b/src/main/java/net/pterodactylus/sonitus/data/source/StreamSource.java
@@ -22,16 +22,22 @@ import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.net.URLConnection;
+import java.util.Collections;
+import java.util.List;
 import java.util.Map;
 
+import net.pterodactylus.sonitus.data.AbstractControlledComponent;
 import net.pterodactylus.sonitus.data.ContentMetadata;
+import net.pterodactylus.sonitus.data.Controller;
 import net.pterodactylus.sonitus.data.FormatMetadata;
 import net.pterodactylus.sonitus.data.Metadata;
 import net.pterodactylus.sonitus.data.Source;
+import net.pterodactylus.sonitus.data.event.MetadataUpdated;
 import net.pterodactylus.sonitus.io.MetadataStream;
 
 import com.google.common.base.Optional;
 import com.google.common.collect.Maps;
+import com.google.common.eventbus.EventBus;
 import com.google.common.primitives.Ints;
 
 /**
@@ -42,11 +48,17 @@ import com.google.common.primitives.Ints;
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class StreamSource implements Source {
+public class StreamSource extends AbstractControlledComponent implements Source {
+
+       /** The event bus. */
+       private final EventBus eventBus;
 
        /** The URL of the stream. */
        private final String streamUrl;
 
+       /** The name of the station. */
+       private final String streamName;
+
        /** The metadata stream. */
        private final MetadataStream metadataStream;
 
@@ -58,12 +70,15 @@ public class StreamSource implements Source {
         * the response header for vital information (sampling frequency, number of
         * channels, etc.).
         *
+        * @param eventBus
+        *              The event bus
         * @param streamUrl
         *              The URL of the stream
         * @throws IOException
         *              if an I/O error occurs
         */
-       public StreamSource(String streamUrl) throws IOException {
+       public StreamSource(EventBus eventBus, String streamUrl) throws IOException {
+               this.eventBus = eventBus;
                this.streamUrl = streamUrl;
                URL url = new URL(streamUrl);
 
@@ -111,6 +126,21 @@ public class StreamSource implements Source {
 
                metadata = new Metadata(new FormatMetadata(audioParameters.get("ice-channels"), audioParameters.get("ice-samplerate"), "MP3"), new ContentMetadata());
                metadataStream = new MetadataStream(new BufferedInputStream(httpUrlConnection.getInputStream()), metadataInterval);
+               streamName = httpUrlConnection.getHeaderField("ICY-Name");
+       }
+
+       //
+       // CONTROLLED METHODS
+       //
+
+       @Override
+       public String name() {
+               return streamName;
+       }
+
+       @Override
+       public List<Controller<?>> controllers() {
+               return Collections.emptyList();
        }
 
        //
@@ -123,7 +153,10 @@ public class StreamSource implements Source {
                if (!streamMetadata.isPresent()) {
                        return metadata;
                }
-               return metadata = metadata.title(streamMetadata.get().title());
+               metadata = metadata.title(streamMetadata.get().title());
+               fireMetadataUpdated(metadata);
+               eventBus.post(new MetadataUpdated(this, metadata));
+               return metadata;
        }
 
        @Override