Revert "Corrections to getRegisteredApplications and CLI implementation"

ApplicationService is not available. For example, when using the ONOS CLI:

onos> apps -s -a
Service org.onosproject.app.ApplicationService not found

The issue seems to be a circular dependency, as ApplicationManager depends on CoreService, but CoreManager depends on ApplicationService.

Reverting for now.

This reverts commit 35ef3d3000f8b19608531dfd06f8e78482c45b32.

Change-Id: I298c3c7844df7f2395e092fbb89a8e9264883094
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 84279dc..b898cb6 100644
--- a/core/api/src/main/java/org/onosproject/core/Application.java
+++ b/core/api/src/main/java/org/onosproject/core/Application.java
@@ -21,7 +21,6 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
-import java.net.URL;
 
 /**
  * Abstraction of a network control/management application.
@@ -133,11 +132,4 @@
      * @return list of application names
      */
     List<String> requiredApps();
-
-    /**
-     * Returns binary image URL.
-     *
-     * @return URL of binary image
-     */
-    URL imageUrl();
-}
\ No newline at end of file
+}
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 793ab70..2df2f8f 100644
--- a/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
+++ b/core/api/src/main/java/org/onosproject/core/DefaultApplication.java
@@ -26,7 +26,6 @@
 import java.util.Optional;
 import java.util.List;
 import java.util.Objects;
-import java.net.URL;
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 import static com.google.common.base.Preconditions.checkArgument;
@@ -51,7 +50,7 @@
     private final Optional<URI> featuresRepo;
     private final List<String> features;
     private final List<String> requiredApps;
-    private final URL imageUrl;
+
     /**
      * Default constructor is hidden to prevent calls to new.
      */
@@ -70,7 +69,6 @@
         featuresRepo = Optional.empty();
         features = ImmutableList.of();
         requiredApps = ImmutableList.of();
-        imageUrl = null;
     }
 
     /**
@@ -90,14 +88,13 @@
      * @param featuresRepo optional features repo URI
      * @param features     application features
      * @param requiredApps list of required application names
-     * @param imageUrl     url of oar file
      */
-    public DefaultApplication(ApplicationId appId, Version version, String title,
+    private DefaultApplication(ApplicationId appId, Version version, String title,
                               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, URL imageUrl) {
+                              List<String> requiredApps) {
         this.appId = appId;
         this.version = version;
         this.title = title;
@@ -112,8 +109,8 @@
         this.featuresRepo = featuresRepo;
         this.features = ImmutableList.copyOf(features);
         this.requiredApps = ImmutableList.copyOf(requiredApps);
-        this.imageUrl = imageUrl;
     }
+
     @Override
     public ApplicationId id() {
         return appId;
@@ -185,11 +182,6 @@
     }
 
     @Override
-    public URL imageUrl() {
-        return imageUrl;
-    }
-
-    @Override
     public int hashCode() {
         return Objects.hash(appId, version, title, description, origin, category, url,
                             readme, role, permissions, featuresRepo, features, requiredApps);
@@ -238,7 +230,6 @@
                 .add("featuresRepo", featuresRepo)
                 .add("features", features)
                 .add("requiredApps", requiredApps)
-                .add("imageURL", imageUrl)
                 .toString();
     }
 
@@ -286,6 +277,7 @@
      * Default application builder.
      */
     public static final class Builder {
+
         private ApplicationId appId;
         private Version version;
         private String title;
@@ -293,14 +285,13 @@
         private String category;
         private String url;
         private String readme;
-        private byte[] icon = new byte[0];
+        private byte[] icon;
         private String origin;
-        private ApplicationRole role = ApplicationRole.ADMIN;
-        private Set<Permission> permissions = ImmutableSet.of();
-        private Optional<URI> featuresRepo = Optional.empty();
-        private List<String> features = ImmutableList.of();
-        private List<String> requiredApps = ImmutableList.of();
-        private URL imageUrl;
+        private ApplicationRole role;
+        private Set<Permission> permissions;
+        private Optional<URI> featuresRepo;
+        private List<String> features;
+        private List<String> requiredApps;
 
         /**
          * Default constructor for the builder.
@@ -527,17 +518,6 @@
         }
 
         /**
-         * Adds a Binary Image URL.
-         *
-         * @param imageUrl url of oar file
-         * @return builder
-         */
-        public Builder withImageUrl(URL imageUrl) {
-            this.imageUrl = imageUrl;
-            return this;
-        }
-
-        /**
          * Builds a default application object from the gathered parameters.
          *
          * @return new default application
@@ -562,7 +542,7 @@
                                           url, readme, icon,
                                           role, permissions,
                                           featuresRepo, features,
-                                          requiredApps, imageUrl);
+                                          requiredApps);
         }
     }
-}
\ 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 98dccec..b523126 100644
--- a/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
+++ b/core/api/src/test/java/org/onosproject/core/DefaultApplicationTest.java
@@ -49,20 +49,20 @@
 
     public static final ApplicationId APP_ID = new DefaultApplicationId(2, APP_NAME);
     private Builder baseBuilder = DefaultApplication.builder()
-            .withAppId(APP_ID)
-            .withVersion(VER)
-            .withTitle(TITLE)
-            .withDescription(DESC)
-            .withOrigin(ORIGIN)
-            .withCategory(CATEGORY)
-            .withUrl(URL)
-            .withReadme(README)
-            .withIcon(ICON)
-            .withRole(ROLE)
-            .withPermissions(PERMS)
-            .withFeaturesRepo(Optional.of(FURL))
-            .withFeatures(FEATURES)
-            .withRequiredApps(APPS);
+                .withAppId(APP_ID)
+                .withVersion(VER)
+                .withTitle(TITLE)
+                .withDescription(DESC)
+                .withOrigin(ORIGIN)
+                .withCategory(CATEGORY)
+                .withUrl(URL)
+                .withReadme(README)
+                .withIcon(ICON)
+                .withRole(ROLE)
+                .withPermissions(PERMS)
+                .withFeaturesRepo(Optional.of(FURL))
+                .withFeatures(FEATURES)
+                .withRequiredApps(APPS);
 
     @Test
     public void basics() {
@@ -77,8 +77,8 @@
         assertEquals("incorrect URL", URL, app.url());
         assertEquals("incorrect readme", README, app.readme());
         assertArrayEquals("incorrect icon", ICON, app.icon());
-        assertEquals("incorrect permissions", PERMS, app.permissions());
         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());
@@ -88,7 +88,7 @@
     @Test
     public void testEquality() {
         Application a1 = baseBuilder.build();
-         Application a2 = DefaultApplication.builder(a1)
+        Application a2 = DefaultApplication.builder(a1)
                 .build();
         Application a3 = DefaultApplication.builder(baseBuilder)
                 .withFeaturesRepo(Optional.empty())
@@ -227,4 +227,4 @@
         assertNotNull("null icon", icon);
         assertEquals("unexpected size", 0, icon.length);
     }
-}
\ No newline at end of file
+}