1 files changed, 28 insertions, 0 deletions
diff --git a/subsonic-booter/src/main/java/net/sourceforge/subsonic/booter/agent/SubsonicListener.java b/subsonic-booter/src/main/java/net/sourceforge/subsonic/booter/agent/SubsonicListener.java
new file mode 100644
index 00000000..d6239c0d
--- /dev/null
+++ b/subsonic-booter/src/main/java/net/sourceforge/subsonic/booter/agent/SubsonicListener.java
@@ -0,0 +1,28 @@
+package net.sourceforge.subsonic.booter.agent;
+
+import net.sourceforge.subsonic.booter.deployer.DeploymentStatus;
+
+/**
+ * Callback interface implemented by GUI classes that wants to be notified when
+ * the state of the Subsonic deployment changes.
+ *
+ * @author Sindre Mehus
+ */
+public interface SubsonicListener {
+
+    /**
+     * Invoked when new information about the Subsonic deployment is available.
+     *
+     * @param deploymentStatus The new deployment status, or <code>null</code> if an
+     *                       error occurred while retrieving the status.
+     */
+    void notifyDeploymentStatus(DeploymentStatus deploymentStatus);
+
+    /**
+     * Invoked when new information about the Subsonic Windows service is available.
+     *
+     * @param serviceStatus The new service status, or <code>null</code> if an
+     *                       error occurred while retrieving the status.
+     */
+    void notifyServiceStatus(String serviceStatus);
+}