mplayer media source plugin

Change-Id: I95741d45d91bb57577268ab040d237c8b8b90fce
Reviewed-on: http://gerrit.dmdirc.com/284
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>
Tested-by: Gregory Holmes <greboid@dmdirc.com>

src/com/dmdirc/addons/mediasource_mplayer/MplayerMediaSourcePlugin.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2006-2008 Chris Smith, Shane Mc Cormack, Gregory Holmes
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.addons.mediasource_mplayer;
+
+import com.dmdirc.addons.nowplaying.MediaSource;
+import com.dmdirc.addons.nowplaying.MediaSourceState;
+import com.dmdirc.plugins.Plugin;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Provides a media source for mplayer which uses lsof to hackily see what
+ * mplayer is currently accessing.
+ *
+ * @author chris
+ */
+public class MplayerMediaSourcePlugin extends Plugin implements MediaSource {
+       
+    /**
+     * Creates a new instance of MplayerMediaSourcePlugin.
+     */
+    public MplayerMediaSourcePlugin() {
+        super();
+    }
+    
+    /** {@inheritDoc} */
+    @Override
+    public void onLoad() {
+        // Nothing to do
+    }
+    
+    /** {@inheritDoc} */
+    @Override
+    public void onUnload() {
+        // Nothing to do
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public MediaSourceState getState() {
+        if (getInfo().isEmpty()) {
+            return MediaSourceState.CLOSED;
+        } else {
+            return MediaSourceState.PLAYING;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getAppName() {
+        return "MPlayer";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getArtist() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getTitle() {
+        return getInfo().get(0);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getAlbum() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getLength() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getTime() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getFormat() {
+        return "";
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String getBitrate() {
+        return "";
+    }
+
+    /**
+     * Retrieves information about the currently playing track.
+     *
+     * @return Information about the currently playing track
+     */
+    public static List<String> getInfo() {
+        final ArrayList<String> result = new ArrayList<String>();
+
+        InputStreamReader reader;
+        BufferedReader input;
+        Process process;
+        
+        try {
+            final String[] command = new String[]{"/bin/bash", "-c",
+                    "/usr/bin/lsof -c gmplayer |" +
+                    " grep -Ev '/dev|/lib|/var|/usr|/SYS|DIR|/tmp|pipe|socket|" +
+                    "\\.xession|fontconfig' | tail -n 1 | sed -r 's/ +/ /g' |" +
+                    " cut -d ' ' -f 9- | sed -r 's/^.*\\/(.*?)$/\\1/'"};
+            process = Runtime.getRuntime().exec(command);
+            
+            reader = new InputStreamReader(process.getInputStream());
+            input = new BufferedReader(reader);
+            
+            String line = "";
+            
+            while ((line = input.readLine()) != null) {
+                result.add(line);
+            }
+            
+            reader.close();
+            input.close();
+            process.destroy();
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+        
+        return result;
+    }
+
+}

src/com/dmdirc/addons/mediasource_mplayer/plugin.config

@@ -0,0 +1,33 @@
+# This is a DMDirc configuration file.
+
+# This section indicates which sections below take key/value
+# pairs, rather than a simple list. It should be placed above
+# any sections that take key/values.
+keysections:
+  metadata
+  updates
+  version
+  requires
+
+metadata:
+  author=Chris <chris@dmdirc.com>
+  mainclass=com.dmdirc.addons.mediasource_mplayer.MplayerMediaSourcePlugin
+  description=Provides a media source for mplayer
+  name=mplayermediasource
+  nicename=MPlayer Media Source
+
+updates:
+  id=28
+
+version:
+  friendly=1.0
+
+provides:
+  mplayer mediasource
+
+requires:
+  os=linux
+  files=/bin/bash,/usr/bin/lsof
+
+required-services:
+  mediasource manager