Adding GUI2 to the Bazel build system

Change-Id: Ieb39ade1a8713a50fdf885e2bb43f53f8f725ea8
diff --git a/web/gui2/src/main/java/org/onosproject/ui/impl/DummyClass.java b/web/gui2/src/main/java/org/onosproject/ui/impl/DummyClass.java
new file mode 100644
index 0000000..643e597
--- /dev/null
+++ b/web/gui2/src/main/java/org/onosproject/ui/impl/DummyClass.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.ui.impl;
+
+/**
+ * A dummy class to satisfy Bazel build.
+ * Since all classes implementing the REST interface to the GUI framework for GUI2
+ * are in the /web/gui project, no classes are needed here.
+ */
+public final class DummyClass {
+    private static final String DUMMY_ATTRIBUTE = "test";
+
+    private DummyClass() {
+        //Hidden
+    }
+
+    static String getDummyAttribute() {
+        return DUMMY_ATTRIBUTE;
+    }
+}
diff --git a/web/gui2/src/main/java/org/onosproject/ui/impl/MainIndexResource.java b/web/gui2/src/main/java/org/onosproject/ui/impl/MainIndexResource.java
deleted file mode 100644
index 377bc44..0000000
--- a/web/gui2/src/main/java/org/onosproject/ui/impl/MainIndexResource.java
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Copyright 2015-present Open Networking Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.ui.impl;
-
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableList.Builder;
-import org.onlab.osgi.ServiceNotFoundException;
-import org.onosproject.rest.AbstractInjectionResource;
-import org.onosproject.ui.UiExtensionService;
-import org.onosproject.ui.UiPreferencesService;
-import org.onosproject.ui.UiSessionToken;
-import org.onosproject.ui.UiTokenService;
-
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.Context;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.SecurityContext;
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.SequenceInputStream;
-
-import static com.google.common.collect.ImmutableList.of;
-import static com.google.common.io.ByteStreams.toByteArray;
-
-/**
- * Resource for serving the dynamically composed index.html.
- */
-@Path("/")
-public class MainIndexResource extends AbstractInjectionResource {
-
-    private static final String INDEX = "dist/index.html";
-    private static final String NOT_READY = "not-ready.html";
-
-    private static final String INJECT_USER_START = "<!-- {INJECTED-USER-START} -->";
-    private static final String INJECT_USER_END = "<!-- {INJECTED-USER-END} -->";
-
-    private static final String INJECT_CSS_START = "<!-- {INJECTED-STYLESHEETS-START} -->";
-    private static final String INJECT_CSS_END = "<!-- {INJECTED-STYLESHEETS-END} -->";
-
-    private static final String INJECT_JS_START = "<!-- {INJECTED-JAVASCRIPT-START} -->";
-    private static final String INJECT_JS_END = "<!-- {INJECTED-JAVASCRIPT-END} -->";
-
-    private static final byte[] SCRIPT_START = "\n<script>\n".getBytes();
-    private static final byte[] SCRIPT_END = "</script>\n\n".getBytes();
-
-    @Context
-    private SecurityContext ctx;
-
-    @GET
-    @Produces(MediaType.TEXT_HTML)
-    public Response getMainIndex() throws IOException {
-        ClassLoader classLoader = getClass().getClassLoader();
-        UiExtensionService service;
-        UiTokenService tokens;
-
-        try {
-            service = get(UiExtensionService.class);
-            tokens = get(UiTokenService.class);
-
-        } catch (ServiceNotFoundException e) {
-            return Response.ok(classLoader.getResourceAsStream(NOT_READY)).build();
-        }
-
-        InputStream indexTemplate = classLoader.getResourceAsStream(INDEX);
-        String index = new String(toByteArray(indexTemplate));
-
-        int p0s = split(index,   0, INJECT_USER_START) - INJECT_USER_START.length();
-        int p0e = split(index, p0s, INJECT_USER_END);
-        int p1s = split(index, p0e, INJECT_JS_START) - INJECT_JS_START.length();
-        int p1e = split(index, p1s, INJECT_JS_END);
-        int p2s = split(index, p1e, INJECT_CSS_START) - INJECT_CSS_START.length();
-        int p2e = split(index, p2s, INJECT_CSS_END);
-        int p3s = split(index, p2e, null);
-
-
-        // FIXME: use global opaque auth token to allow secure failover
-
-        // for now, just use the user principal name...
-        String userName = ctx.getUserPrincipal().getName();
-
-        // get a session token to use for UI-web-socket authentication
-        UiSessionToken token = tokens.issueToken(userName);
-
-        String auth = "var onosUser='" + userName + "',\n" +
-                      "    onosAuth='" + token + "';\n";
-
-        StreamEnumeration streams =
-                new StreamEnumeration(of(stream(index, 0, p0s),
-                        new ByteArrayInputStream(SCRIPT_START),
-                        stream(auth, 0, auth.length()),
-                        userPreferences(userName),
-                        userConsoleLog(userName),
-                        new ByteArrayInputStream(SCRIPT_END),
-                        stream(index, p0e, p1s),
-                        includeJs(service),
-                        stream(index, p1e, p2s),
-                        includeCss(service),
-                        stream(index, p2e, p3s)));
-
-        return Response.ok(new SequenceInputStream(streams)).build();
-    }
-
-    private InputStream userConsoleLog(String userName) {
-        String code = "console.log('Logging in as user >" + userName + "<');\n";
-        return new ByteArrayInputStream(code.getBytes());
-    }
-
-    // Produces an input stream including user preferences.
-    private InputStream userPreferences(String userName) {
-        UiPreferencesService service = get(UiPreferencesService.class);
-        ObjectNode prefs = mapper().createObjectNode();
-        service.getPreferences(userName).forEach(prefs::set);
-        String string = "var userPrefs = " + prefs.toString() + ";\n";
-        return new ByteArrayInputStream(string.getBytes());
-    }
-
-    // Produces an input stream including JS injections from all extensions.
-    private InputStream includeJs(UiExtensionService service) {
-        Builder<InputStream> builder = ImmutableList.builder();
-        service.getExtensions().forEach(ext -> {
-            add(builder, ext.js());
-            add(builder, new NewlineInputStream());
-        });
-        return new SequenceInputStream(new StreamEnumeration(builder.build()));
-    }
-
-    // Produces an input stream including CSS injections from all extensions.
-    private InputStream includeCss(UiExtensionService service) {
-        Builder<InputStream> builder = ImmutableList.builder();
-        service.getExtensions().forEach(ext -> {
-            add(builder, ext.css());
-            add(builder, new NewlineInputStream());
-        });
-        return new SequenceInputStream(new StreamEnumeration(builder.build()));
-    }
-
-    // Safely adds the stream to the list builder only if stream is not null.
-    private void add(Builder<InputStream> builder, InputStream inputStream) {
-        if (inputStream != null) {
-            builder.add(inputStream);
-        }
-    }
-
-    private static final String NL = String.format("%n");
-    private static final byte[] NL_BYTES = NL.getBytes();
-
-    private static class NewlineInputStream extends InputStream {
-        private int index = 0;
-
-        @Override
-        public int read() throws IOException {
-            if (index == NL_BYTES.length) {
-                return -1;
-            }
-            return NL_BYTES[index++];
-        }
-    }
-
-}
diff --git a/web/gui2/src/main/webapp/WEB-INF/web.xml b/web/gui2/src/main/webapp/WEB-INF/web.xml
index 041cdb6..ae8c650 100644
--- a/web/gui2/src/main/webapp/WEB-INF/web.xml
+++ b/web/gui2/src/main/webapp/WEB-INF/web.xml
@@ -22,7 +22,7 @@
     <display-name>ONOS GUI 2</display-name>
 
     <welcome-file-list>
-        <welcome-file>dist/index.html</welcome-file>
+        <welcome-file>index.html</welcome-file>
     </welcome-file-list>
 
     <!--
@@ -30,7 +30,7 @@
     <security-constraint>
         <web-resource-collection>
             <web-resource-name>Secured</web-resource-name>
-            <url-pattern>/dist/index.html</url-pattern>
+            <url-pattern>/index.html</url-pattern>
         </web-resource-collection>
         <web-resource-collection>
             <web-resource-name>Secured API</web-resource-name>
@@ -71,7 +71,7 @@
 
     <servlet-mapping>
         <servlet-name>Index Page</servlet-name>
-        <url-pattern>/dist/index.html</url-pattern>
+        <url-pattern>/index.html</url-pattern>
     </servlet-mapping>
 
     <!--<servlet>-->
diff --git a/web/gui2/src/test/java/org/onosproject/ui/impl/DummyTest.java b/web/gui2/src/test/java/org/onosproject/ui/impl/DummyTest.java
index 1648002..a5ce1d9 100644
--- a/web/gui2/src/test/java/org/onosproject/ui/impl/DummyTest.java
+++ b/web/gui2/src/test/java/org/onosproject/ui/impl/DummyTest.java
@@ -15,8 +15,17 @@
  */
 package org.onosproject.ui.impl;
 
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
 /**
  * This is just a dummy file to get BUCK going.
  */
 public class DummyTest {
+
+    @Test
+    public void dummyTest() {
+        assertEquals("test", DummyClass.getDummyAttribute());
+    }
 }