Add an interface for ColourManager.

api/src/main/java/com/dmdirc/ui/messages/ColourManager.java

+package com.dmdirc.ui.messages;
+
+import com.dmdirc.util.colours.Colour;
+
+/**
+ * Created by Chris on 30/12/2016.
+ */
+public interface ColourManager {
+    /**
+     * Parses either a 1-2 digit IRC colour, or a 6 digit hex colour from the target string, and
+     * returns the corresponding colour. Returns the specified fallback colour if the spec can't be
+     * parsed.
+     *
+     * @param spec     The string to parse
+     * @param fallback The colour to use if the spec isn't valid
+     *
+     * @return A colour representation of the specified string
+     */
+    Colour getColourFromString(String spec, Colour fallback);
+
+    /**
+     * Returns a Colour object that corresponds to the specified 6-digit hex string. If the string
+     * is invalid, logs a warning and returns white.
+     *
+     * @param hex The hex string to convert into a Colour
+     *
+     * @return A Colour object corresponding to the hex input
+     */
+    Colour getColourFromHex(String hex);
+
+    /**
+     * Returns a Colour object that represents the colour associated with the specified IRC colour
+     * code. If the code is not found, a warning is logged with the client's Logger class, and white
+     * is returned.
+     *
+     * @param number The IRC colour code to look up
+     *
+     * @return The corresponding Colour object
+     */
+    Colour getColourFromIrcCode(int number);
+}

src/main/java/com/dmdirc/ui/messages/ColourManagerFactory.java

     }
 
     public ColourManager getColourManager(final AggregateConfigProvider configManager) {
-        return new ColourManager(configManager);
+        return new ColourManagerImpl(configManager);
     }
 
 }

src/main/java/com/dmdirc/ui/messages/ColourManager.java → src/main/java/com/dmdirc/ui/messages/ColourManagerImpl.java

  * The colour manager manages the colour scheme for the IRC client. It allows other components to
  * use IRC colour codes instead of absolute colours.
  */
-public class ColourManager {
+public class ColourManagerImpl implements ColourManager {
 
-    private static final Logger LOG = LoggerFactory.getLogger(ColourManager.class);
+    private static final Logger LOG = LoggerFactory.getLogger(ColourManagerImpl.class);
     /** Default colours used for the standard 16 IRC colours. */
     private static final Colour[] DEFAULT_COLOURS = {
         Colour.WHITE, Colour.BLACK, new Colour(0, 0, 127), new Colour(0, 141, 0),
     private final Colour[] ircColours = DEFAULT_COLOURS.clone();
 
     /**
-     * Creates a new instance of {@link ColourManager}.
+     * Creates a new instance of {@link ColourManagerImpl}.
      *
      * @param configManager The manager to read config settings from.
      */
-    public ColourManager(final AggregateConfigProvider configManager) {
+    public ColourManagerImpl(final AggregateConfigProvider configManager) {
         this.configManager = configManager;
 
         configManager.addChangeListener("colour", (domain, key) -> initColours());
         }
     }
 
-    /**
-     * Parses either a 1-2 digit IRC colour, or a 6 digit hex colour from the target string, and
-     * returns the corresponding colour. Returns the specified fallback colour if the spec can't be
-     * parsed.
-     *
-     * @param spec     The string to parse
-     * @param fallback The colour to use if the spec isn't valid
-     *
-     * @return A colour representation of the specified string
-     */
+    @Override
     public Colour getColourFromString(final String spec, final Colour fallback) {
         if (colourCache.containsKey(spec)) {
             return colourCache.get(spec);
         return res;
     }
 
-    /**
-     * Returns a Colour object that corresponds to the specified 6-digit hex string. If the string
-     * is invalid, logs a warning and returns white.
-     *
-     * @param hex The hex string to convert into a Colour
-     *
-     * @return A Colour object corresponding to the hex input
-     */
+    @Override
     public Colour getColourFromHex(final String hex) {
         if (colourCache.containsKey(hex)) {
             return colourCache.get(hex);
         return colour;
     }
 
-    /**
-     * Returns a Colour object that represents the colour associated with the specified IRC colour
-     * code. If the code is not found, a warning is logged with the client's Logger class, and white
-     * is returned.
-     *
-     * @param number The IRC colour code to look up
-     *
-     * @return The corresponding Colour object
-     */
+    @Override
     public Colour getColourFromIrcCode(final int number) {
         if (number >= 0 && number <= 15) {
             return ircColours[number];

src/main/java/com/dmdirc/ui/messages/UnreadStatusManagerImpl.java

     public UnreadStatusManagerImpl(final WindowModel container) {
         this.container = container;
         this.eventBus = container.getEventBus();
-        this.colourManager = new ColourManager(container.getConfigManager());
+        this.colourManager = new ColourManagerImpl(container.getConfigManager());
     }
 
     @Handler

src/test/java/com/dmdirc/ui/messages/ColourManagerTest.java

 
     @Before
     public void setup() {
-        manager = new ColourManager(configManager);
+        manager = new ColourManagerImpl(configManager);
         verify(configManager).addChangeListener(anyString(), configListener.capture());
     }
 

src/test/java/com/dmdirc/ui/messages/IntelligentLinkingTest.java

         when(connection.getGroupChatManager()).thenReturn(groupChatManager);
         when(groupChatManager.getChannelPrefixes()).thenReturn("#&+");
 
-        styliser = new Styliser(connection, manager, new ColourManager(manager));
+        styliser = new Styliser(connection, manager, new ColourManagerImpl(manager));
     }
 
     @Test

src/test/java/com/dmdirc/ui/messages/StyliserStylesTest.java

 
         final AggregateConfigProvider manager = mock(AggregateConfigProvider.class);
 
-        final Styliser styliser = new Styliser(null, manager, new ColourManager(manager));
+        final Styliser styliser = new Styliser(null, manager, new ColourManagerImpl(manager));
         styliser.addStyledString(null, input);  // TODO...
         final AttributedCharacterIterator aci = null; // TODO...
 

src/test/java/com/dmdirc/ui/messages/StyliserTest.java

         final String input2 = "abcdefghi";
 
         final AggregateConfigProvider manager = mock(AggregateConfigProvider.class);
-        final Styliser styliser = new Styliser(null, manager, new ColourManager(manager));
+        final Styliser styliser = new Styliser(null, manager, new ColourManagerImpl(manager));
 
         for (int i = 0; i < input2.length(); i++) {
             // TODO...