Start to refactor and clean myrmidons listeners.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270199 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/listeners/AbstractProjectListener.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.myrmidon.listeners;
+
+import org.apache.avalon.framework.ExceptionUtil;
+
+/**
+ * Abstract listener from which to extend.
+ *
+ * @author <a href="mailto:peter@apache.org">Peter Donald</a>
+ */
+public abstract class AbstractProjectListener
+    implements ProjectListener
+{
+    /**
+     * Notify listener of projectStarted event.
+     */
+    public void projectStarted()
+    {
+    }
+
+    /**
+     * Notify listener of projectFinished event.
+     */
+    public void projectFinished()
+    {
+    }
+
+    /**
+     * Notify listener of targetStarted event.
+     *
+     * @param targetName the name of target
+     */
+    public void targetStarted( final String targetName )
+    {
+    }
+
+    /**
+     * Notify listener of targetFinished event.
+     */
+    public void targetFinished()
+    {
+    }
+
+    /**
+     * Notify listener of taskStarted event.
+     *
+     * @param taskName the name of task
+     */
+    public void taskStarted( final String taskName )
+    {
+    }
+
+    /**
+     * Notify listener of taskFinished event.
+     */
+    public void taskFinished()
+    {
+    }
+
+    /**
+     * Notify listener of log message event.
+     *
+     * @param message the message
+     */
+    public void log( String message )
+    {
+    }
+
+    /**
+     * Notify listener of log message event.
+     *
+     * @param message the message
+     * @param throwable the throwable
+     */
+    public void log( String message, Throwable throwable )
+    {
+    }
+}

proposal/myrmidon/src/java/org/apache/myrmidon/listeners/DefaultProjectListener.java

@@ -15,24 +15,10 @@ import org.apache.avalon.framework.ExceptionUtil;
  * @author <a href="mailto:peter@apache.org">Peter Donald</a>
  */
 public class DefaultProjectListener
-    implements ProjectListener
+    extends AbstractProjectListener
 {
     private String        m_prefix;
 
-    /**
-     * Notify listener of projectStarted event.
-     */
-    public void projectStarted()
-    {
-    }
-
-    /**
-     * Notify listener of projectFinished event.
-     */
-    public void projectFinished()
-    {
-    }
-
     /**
      * Notify listener of targetStarted event.
      *
@@ -43,13 +29,6 @@ public class DefaultProjectListener
         output( targetName + ":\n" );
     }
 
-    /**
-     * Notify listener of targetFinished event.
-     */
-    public void targetFinished()
-    {
-    }
-
     /**
      * Notify listener of taskStarted event.
      *