diff options
Diffstat (limited to 'framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainIndexResource.java')
-rw-r--r-- | framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainIndexResource.java | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainIndexResource.java b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainIndexResource.java deleted file mode 100644 index a30c0470..00000000 --- a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainIndexResource.java +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * 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.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 javax.ws.rs.GET; -import javax.ws.rs.Path; -import javax.ws.rs.Produces; -import javax.ws.rs.core.MediaType; -import javax.ws.rs.core.Response; -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 = "index.html"; - private static final String NOT_READY = "not-ready.html"; - - 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} -->"; - - @GET - @Produces(MediaType.TEXT_HTML) - public Response getMainIndex() throws IOException { - ClassLoader classLoader = getClass().getClassLoader(); - UiExtensionService service; - try { - service = get(UiExtensionService.class); - } catch (ServiceNotFoundException e) { - return Response.ok(classLoader.getResourceAsStream(NOT_READY)).build(); - } - - InputStream indexTemplate = classLoader.getResourceAsStream(INDEX); - String index = new String(toByteArray(indexTemplate)); - - int p1s = split(index, 0, INJECT_JS_START); - int p1e = split(index, p1s, INJECT_JS_END); - int p2s = split(index, p1e, INJECT_CSS_START); - int p2e = split(index, p2s, INJECT_CSS_END); - int p3s = split(index, p2e, null); - - StreamEnumeration streams = - new StreamEnumeration(of(stream(index, 0, p1s), - includeJs(service), - stream(index, p1e, p2s), - includeCss(service), - stream(index, p2e, p3s))); - - return Response.ok(new SequenceInputStream(streams)).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())); - return new SequenceInputStream(new StreamEnumeration(builder.build())); - } - - // 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())); - 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); - } - } - -} |