[ONOS-3634] Enhance app to have a category, icon, URL and readme

This commmit enhances application to have category, icon, URL and
readme. The web GUI and CLI will be implemented in separate commits

Change-Id: Ib02716d7118cc617b24f196f2213ea1fe99a34be
diff --git a/core/api/src/main/java/org/onosproject/app/ApplicationDescription.java b/core/api/src/main/java/org/onosproject/app/ApplicationDescription.java
index e8ff9ec..1528f35 100644
--- a/core/api/src/main/java/org/onosproject/app/ApplicationDescription.java
+++ b/core/api/src/main/java/org/onosproject/app/ApplicationDescription.java
@@ -44,6 +44,13 @@
     Version version();
 
     /**
+     * Returns the name of the application origin, group or company.
+     *
+     * @return application origin
+     */
+    String origin();
+
+    /**
      * Returns description of the application.
      *
      * @return application description text
@@ -51,11 +58,32 @@
     String description();
 
     /**
-     * Returns the name of the application origin, group or company.
+     * Returns category of the application.
      *
-     * @return application origin
+     * @return application category text
      */
-    String origin();
+    String category();
+
+    /**
+     * Returns url of the application.
+     *
+     * @return application url
+     */
+    String url();
+
+    /**
+     * Returns readme of the application.
+     *
+     * @return application readme
+     */
+    String readme();
+
+    /**
+     * Returns icon of the application.
+     *
+     * @return application icon
+     */
+    byte[] icon();
 
     /**
      * Returns the role of the application.
diff --git a/core/api/src/main/java/org/onosproject/app/DefaultApplicationDescription.java b/core/api/src/main/java/org/onosproject/app/DefaultApplicationDescription.java
index 569183a..3e52001 100644
--- a/core/api/src/main/java/org/onosproject/app/DefaultApplicationDescription.java
+++ b/core/api/src/main/java/org/onosproject/app/DefaultApplicationDescription.java
@@ -37,6 +37,10 @@
     private final Version version;
     private final String description;
     private final String origin;
+    private final String category;
+    private final String url;
+    private final String readme;
+    private final byte[] icon;
     private final ApplicationRole role;
     private final Set<Permission> permissions;
     private final Optional<URI> featuresRepo;
@@ -50,6 +54,10 @@
      * @param version      application version
      * @param description  application description
      * @param origin       origin company
+     * @param category     application category
+     * @param url          application URL
+     * @param readme       application readme
+     * @param icon         application icon
      * @param role         application role
      * @param permissions  requested permissions
      * @param featuresRepo optional features repo URI
@@ -57,7 +65,8 @@
      * @param requiredApps list of required application names
      */
     public DefaultApplicationDescription(String name, Version version,
-                                         String description, String origin,
+                                         String description, String origin, String category,
+                                         String url, String readme, byte[] icon,
                                          ApplicationRole role, Set<Permission> permissions,
                                          URI featuresRepo, List<String> features,
                                          List<String> requiredApps) {
@@ -65,6 +74,10 @@
         this.version = checkNotNull(version, "Version cannot be null");
         this.description = checkNotNull(description, "Description cannot be null");
         this.origin = checkNotNull(origin, "Origin cannot be null");
+        this.category = checkNotNull(category, "Category cannot be null");
+        this.url = checkNotNull(url, "URL cannot be null");
+        this.readme = readme;
+        this.icon = icon;
         this.role = checkNotNull(role, "Role cannot be null");
         this.permissions = checkNotNull(permissions, "Permissions cannot be null");
         this.featuresRepo = Optional.ofNullable(featuresRepo);
@@ -89,6 +102,26 @@
     }
 
     @Override
+    public String category() {
+        return category;
+    }
+
+    @Override
+    public String url() {
+        return url;
+    }
+
+    @Override
+    public String readme() {
+        return readme;
+    }
+
+    @Override
+    public byte[] icon() {
+        return icon;
+    }
+
+    @Override
     public String origin() {
         return origin;
     }
@@ -125,6 +158,9 @@
                 .add("version", version)
                 .add("description", description)
                 .add("origin", origin)
+                .add("category", category)
+                .add("url", url)
+                .add("readme", readme)
                 .add("role", role)
                 .add("permissions", permissions)
                 .add("featuresRepo", featuresRepo)
diff --git a/core/api/src/main/java/org/onosproject/core/Application.java b/core/api/src/main/java/org/onosproject/core/Application.java
index ea2eab9..8700cad 100644
--- a/core/api/src/main/java/org/onosproject/core/Application.java
+++ b/core/api/src/main/java/org/onosproject/core/Application.java
@@ -49,6 +49,34 @@
     String description();
 
     /**
+     * Returns category of the application.
+     *
+     * @return application category text
+     */
+    String category();
+
+    /**
+     * Returns url of the application.
+     *
+     * @return application url
+     */
+    String url();
+
+    /**
+     * Returns readme of the application.
+     *
+     * @return application readme
+     */
+    String readme();
+
+    /**
+     * Returns icon of the application.
+     *
+     * @return application icon
+     */
+    byte[] icon();
+
+    /**
      * Returns the name of the application origin, group or company.
      *
      * @return application origin
diff --git a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
index c351563..8d63600 100644
--- a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
+++ b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
@@ -35,6 +35,10 @@
     private final ApplicationId appId;
     private final Version version;
     private final String description;
+    private final String category;
+    private final String url;
+    private final String readme;
+    private final byte[] icon;
     private final String origin;
     private final ApplicationRole role;
     private final Set<Permission> permissions;
@@ -49,6 +53,10 @@
      * @param version      application version
      * @param description  application description
      * @param origin       origin company
+     * @param category     application category
+     * @param url          application URL
+     * @param readme       application readme
+     * @param icon         application icon
      * @param role         application role
      * @param permissions  requested permissions
      * @param featuresRepo optional features repo URI
@@ -56,7 +64,8 @@
      * @param requiredApps list of required application names
      */
     public DefaultApplication(ApplicationId appId, Version version,
-                              String description, String origin,
+                              String description, String origin, String category,
+                              String url, String readme, byte[] icon,
                               ApplicationRole role, Set<Permission> permissions,
                               Optional<URI> featuresRepo, List<String> features,
                               List<String> requiredApps) {
@@ -64,6 +73,10 @@
         this.version = checkNotNull(version, "Version cannot be null");
         this.description = checkNotNull(description, "Description cannot be null");
         this.origin = checkNotNull(origin, "Origin cannot be null");
+        this.category = checkNotNull(category, "Category cannot be null");
+        this.url = checkNotNull(url, "URL cannot be null");
+        this.readme = readme;
+        this.icon = icon;
         this.role = checkNotNull(role, "Role cannot be null");
         this.permissions = checkNotNull(permissions, "Permissions cannot be null");
         this.featuresRepo = checkNotNull(featuresRepo, "Features repo cannot be null");
@@ -88,6 +101,26 @@
     }
 
     @Override
+    public String category() {
+        return category;
+    }
+
+    @Override
+    public String url() {
+        return url;
+    }
+
+    @Override
+    public String readme() {
+        return readme;
+    }
+
+    @Override
+    public byte[] icon() {
+        return icon;
+    }
+
+    @Override
     public String origin() {
         return origin;
     }
@@ -119,8 +152,8 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(appId, version, description, origin, role, permissions,
-                            featuresRepo, features, requiredApps);
+        return Objects.hash(appId, version, description, origin, category, url,
+                            readme, role, permissions, featuresRepo, features, requiredApps);
     }
 
     @Override
@@ -136,6 +169,9 @@
                 Objects.equals(this.version, other.version) &&
                 Objects.equals(this.description, other.description) &&
                 Objects.equals(this.origin, other.origin) &&
+                Objects.equals(this.category, other.category) &&
+                Objects.equals(this.url, other.url) &&
+                Objects.equals(this.readme, other.readme) &&
                 Objects.equals(this.role, other.role) &&
                 Objects.equals(this.permissions, other.permissions) &&
                 Objects.equals(this.featuresRepo, other.featuresRepo) &&
@@ -150,6 +186,9 @@
                 .add("version", version)
                 .add("description", description)
                 .add("origin", origin)
+                .add("category", category)
+                .add("url", url)
+                .add("readme", readme)
                 .add("role", role)
                 .add("permissions", permissions)
                 .add("featuresRepo", featuresRepo)
diff --git a/core/api/src/test/java/org/onosproject/app/ApplicationEventTest.java b/core/api/src/test/java/org/onosproject/app/ApplicationEventTest.java
index 34c593c..0d4ae4c 100644
--- a/core/api/src/test/java/org/onosproject/app/ApplicationEventTest.java
+++ b/core/api/src/test/java/org/onosproject/app/ApplicationEventTest.java
@@ -32,8 +32,9 @@
 public class ApplicationEventTest extends AbstractEventTest {
 
     private Application createApp() {
-        return new DefaultApplication(APP_ID, VER, DESC, ORIGIN, ROLE,
-                                      PERMS, Optional.of(FURL), FEATURES, APPS);
+        return new DefaultApplication(APP_ID, VER, DESC, ORIGIN, CATEGORY,
+                                      URL, README, ICON, ROLE, PERMS,
+                                      Optional.of(FURL), FEATURES, APPS);
     }
 
     @Test
diff --git a/core/api/src/test/java/org/onosproject/app/DefaultApplicationDescriptionTest.java b/core/api/src/test/java/org/onosproject/app/DefaultApplicationDescriptionTest.java
index 0e93c1f..e01d4d8 100644
--- a/core/api/src/test/java/org/onosproject/app/DefaultApplicationDescriptionTest.java
+++ b/core/api/src/test/java/org/onosproject/app/DefaultApplicationDescriptionTest.java
@@ -40,6 +40,10 @@
     public static final Version VER = Version.version(1, 2, "a", null);
     public static final String DESC = "Awesome application from Circus, Inc.";
     public static final String ORIGIN = "Circus";
+    public static final String CATEGORY = "other";
+    public static final String URL = "http://www.onosproject.org";
+    public static final String README = "Awesome application from Circus, Inc.";
+    public static final byte[] ICON = new byte[] {};
     public static final ApplicationRole ROLE = ApplicationRole.ADMIN;
     public static final Set<Permission> PERMS = ImmutableSet.of(
                             new Permission(AppPermission.class.getName(), "FLOWRULE_WRITE"),
@@ -52,17 +56,20 @@
     public void basics() {
         ApplicationDescription app =
                 new DefaultApplicationDescription(APP_NAME, VER, DESC, ORIGIN,
+                                                  CATEGORY, URL, README, ICON,
                                                   ROLE, PERMS, FURL, FEATURES, APPS);
         assertEquals("incorrect id", APP_NAME, app.name());
         assertEquals("incorrect version", VER, app.version());
         assertEquals("incorrect description", DESC, app.description());
         assertEquals("incorrect origin", ORIGIN, app.origin());
-        assertEquals("incorect role", ROLE, app.role());
+        assertEquals("incorrect category", CATEGORY, app.category());
+        assertEquals("incorrect URL", URL, app.url());
+        assertEquals("incorrect readme", README, app.readme());
+        assertEquals("incorrect role", ROLE, app.role());
         assertEquals("incorrect permissions", PERMS, app.permissions());
         assertEquals("incorrect features repo", FURL, app.featuresRepo().get());
         assertEquals("incorrect features", FEATURES, app.features());
         assertEquals("incorrect apps", APPS, app.requiredApps());
         assertTrue("incorrect toString", app.toString().contains(APP_NAME));
     }
-
 }
\ No newline at end of file
diff --git a/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java b/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
index 77b3812..6cb0d0c 100644
--- a/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
+++ b/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
@@ -33,12 +33,17 @@
 
     @Test
     public void basics() {
-        Application app = new DefaultApplication(APP_ID, VER, DESC, ORIGIN, ROLE,
+        Application app = new DefaultApplication(APP_ID, VER, DESC, ORIGIN,
+                                                 CATEGORY, URL, README, ICON, ROLE,
                                                  PERMS, Optional.of(FURL), FEATURES, APPS);
         assertEquals("incorrect id", APP_ID, app.id());
         assertEquals("incorrect version", VER, app.version());
         assertEquals("incorrect description", DESC, app.description());
         assertEquals("incorrect origin", ORIGIN, app.origin());
+        assertEquals("incorrect category", CATEGORY, app.category());
+        assertEquals("incorrect URL", URL, app.url());
+        assertEquals("incorrect readme", README, app.readme());
+        assertEquals("incorrect icon", ICON, app.icon());
         assertEquals("incorrect role", ROLE, app.role());
         assertEquals("incorrect permissions", PERMS, app.permissions());
         assertEquals("incorrect features repo", FURL, app.featuresRepo().get());
@@ -49,16 +54,19 @@
 
     @Test
     public void testEquality() {
-        Application a1 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN, ROLE,
+        Application a1 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN,
+                                                CATEGORY, URL, README, ICON, ROLE,
                                                 PERMS, Optional.of(FURL), FEATURES, APPS);
-        Application a2 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN, ROLE,
+        Application a2 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN,
+                                                CATEGORY, URL, README, ICON, ROLE,
                                                 PERMS, Optional.of(FURL), FEATURES, APPS);
-        Application a3 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN, ROLE,
+        Application a3 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN,
+                                                CATEGORY, URL, README, ICON, ROLE,
                                                 PERMS, Optional.empty(), FEATURES, APPS);
-        Application a4 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN + "asd", ROLE,
+        Application a4 = new DefaultApplication(APP_ID, VER, DESC, ORIGIN + "asd",
+                                                CATEGORY, URL, README, ICON, ROLE,
                                                 PERMS, Optional.of(FURL), FEATURES, APPS);
         new EqualsTester().addEqualityGroup(a1, a2)
                 .addEqualityGroup(a3).addEqualityGroup(a4).testEquals();
     }
-
 }
\ No newline at end of file