From 15f1da3dacc71aa0c53abe23045a90987b3190ed Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Mon, 15 Aug 2016 12:07:54 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9D=D0=BE=D0=B2=D1=8B=D0=B9=20API:=20=D0=A0?=
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---
 API/pom.xml                               | 10 +++++-
 API/src/main/java/asys/api/ASysUtils.java | 41 +++++++++++++++++++++++
 API/src/main/java/asys/api/Command.java   | 15 +++++++++
 3 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 API/src/main/java/asys/api/ASysUtils.java
 create mode 100644 API/src/main/java/asys/api/Command.java

diff --git a/API/pom.xml b/API/pom.xml
index aa451d1..0854cd3 100644
--- a/API/pom.xml
+++ b/API/pom.xml
@@ -19,9 +19,17 @@
 
     <groupId>asys</groupId>
     <artifactId>api</artifactId>
-    <version>0.2</version>
+    <version>0.3</version>
     <packaging>bundle</packaging>
 
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.core</artifactId>
+            <version>6.0.0</version>
+        </dependency>
+    </dependencies>
+
     <build>
         <finalName>${project.groupId}.${project.artifactId}-${project.version}</finalName>
         <plugins>
diff --git a/API/src/main/java/asys/api/ASysUtils.java b/API/src/main/java/asys/api/ASysUtils.java
new file mode 100644
index 0000000..40650b4
--- /dev/null
+++ b/API/src/main/java/asys/api/ASysUtils.java
@@ -0,0 +1,41 @@
+/*
+ * DmitriyMX <mail@dmitriymx.ru>
+ * 2016-08-15
+ */
+package asys.api;
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+import java.lang.reflect.Method;
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Vector;
+
+public class ASysUtils {
+    public static ServiceRegistration<?> RegisterCommands(BundleContext bundleContext, Object commnadsObject, String scope) {
+        return bundleContext.registerService(
+                commnadsObject.getClass().getName(),
+                commnadsObject,
+                getCommandListByAnnotationMethods(scope, commnadsObject.getClass()));
+    }
+
+    private static Dictionary<String, Object> getCommandListByAnnotationMethods(String scope, Class<?> clazz) {
+        List<String> listCommand = new Vector<>();
+
+        Method[] methods = clazz.getMethods();
+        for(Method method : methods) {
+            if (method.isAnnotationPresent(Command.class)) {
+                listCommand.add(method.getName());
+            }
+        }
+
+        Dictionary<String, Object> props = new Hashtable<>();
+        if (listCommand.size() > 0) {
+            props.put("osgi.command.scope", scope);
+            props.put("osgi.command.function", listCommand.toArray(new String[listCommand.size()]));
+        }
+        return props;
+    }
+}
diff --git a/API/src/main/java/asys/api/Command.java b/API/src/main/java/asys/api/Command.java
new file mode 100644
index 0000000..f6ff4b9
--- /dev/null
+++ b/API/src/main/java/asys/api/Command.java
@@ -0,0 +1,15 @@
+/*
+ * DmitriyMX <mail@dmitriymx.ru>
+ * 2016-08-15
+ */
+package asys.api;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(value = ElementType.METHOD)
+@Retention(value = RetentionPolicy.RUNTIME)
+public @interface Command {
+}