Add twitter action components

See https://gist.github.com/328179 for example usage

Change-Id: I30658c9492a2145dcad20b33174e2d0a9ed0dbc4
Reviewed-on: http://gerrit.dmdirc.com/1223
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Shane Mc Cormack <shane@dmdirc.com>

src/com/dmdirc/addons/parser_twitter/TwitterPlugin.java

@@ -22,6 +22,8 @@
 
 package com.dmdirc.addons.parser_twitter;
 
+import com.dmdirc.actions.ActionManager;
+import com.dmdirc.addons.parser_twitter.actions.TwitterActionComponents;
 import com.dmdirc.config.prefs.PluginPreferencesCategory;
 import com.dmdirc.config.prefs.PreferencesCategory;
 import com.dmdirc.config.prefs.PreferencesManager;
@@ -47,10 +49,13 @@ public class TwitterPlugin extends Plugin  {
      */
     public TwitterPlugin() { }
 
-
+    /** {@inheritDoc} */
     @Override
-    public void onLoad() { }
+    public void onLoad() {
+        ActionManager.registerActionComponents(TwitterActionComponents.values());
+    }
 
+    /** {@inheritDoc} */
     @Override
     public void onUnload() {
         unloading = true;

src/com/dmdirc/addons/parser_twitter/actions/TwitterActionComponents.java

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2006-2009 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.parser_twitter.actions;
+
+import com.dmdirc.Server;
+import com.dmdirc.ServerManager;
+import com.dmdirc.actions.interfaces.ActionComponent;
+import com.dmdirc.addons.parser_twitter.Twitter;
+import com.dmdirc.addons.parser_twitter.api.TwitterStatus;
+import com.dmdirc.addons.parser_twitter.api.TwitterUser;
+import com.dmdirc.parser.interfaces.Parser;
+
+/**
+ * Action components which expose Twitter functionality.
+ *
+ * @since 0.6.4
+ * @author chris
+ */
+public enum TwitterActionComponents implements ActionComponent {
+
+    /** Takes a twitter channel name (&12345) and returns the status. */
+    TWITTER_CHANNEL_NAME_STATUS {
+
+        /** {@inheritDoc} */
+        @Override
+        public Object get(final Object argument) {
+            final long id = Long.parseLong(((String) argument).substring(1));
+
+            for (Server server : ServerManager.getServerManager().getServers()) {
+                final Parser parser = server.getParser();
+
+                if (parser instanceof Twitter) {
+                    final TwitterStatus status = ((Twitter) parser).getApi().getStatus(id);
+
+                    if (status != null) {
+                        return status;
+                    }
+                }
+            }
+
+            return null;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> appliesTo() {
+            return String.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> getType() {
+            return TwitterStatus.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public String getName() {
+            return "twitter status (if a Twitter channel link)";
+        }
+
+    },
+
+    /** Returns the user who created a tweet. */
+    TWITTER_STATUS_USER {
+
+        /** {@inheritDoc} */
+        @Override
+        public Object get(final Object argument) {
+            return ((TwitterStatus) argument).getUser();
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> appliesTo() {
+            return TwitterStatus.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> getType() {
+            return TwitterUser.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public String getName() {
+            return "user";
+        }
+
+    },
+
+    /** Returns the screen name of a twitter user. */
+    TWITTER_USER_SCREENNAME {
+
+        /** {@inheritDoc} */
+        @Override
+        public Object get(final Object argument) {
+            return ((TwitterUser) argument).getScreenName();
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> appliesTo() {
+            return TwitterUser.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public Class<?> getType() {
+            return String.class;
+        }
+
+        /** {@inheritDoc} */
+        @Override
+        public String getName() {
+            return "screen name";
+        }
+
+    };
+
+}