diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java')
-rw-r--r-- | framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java new file mode 100644 index 00000000..7f0af3a5 --- /dev/null +++ b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/MainNavResource.java @@ -0,0 +1,124 @@ +/* + * 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 org.onosproject.rest.AbstractInjectionResource; +import org.onosproject.ui.UiExtension; +import org.onosproject.ui.UiExtensionService; +import org.onosproject.ui.UiView; + +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.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.SequenceInputStream; +import java.util.ArrayList; +import java.util.List; +import java.util.stream.Collectors; + +import static com.google.common.collect.ImmutableList.of; +import static com.google.common.io.ByteStreams.toByteArray; + +/** + * Resource for serving the dynamically composed nav.html. + */ +@Path("/") +public class MainNavResource extends AbstractInjectionResource { + + private static final String NAV_HTML = "nav.html"; + + private static final String INJECT_VIEW_ITEMS_START = + "<!-- {INJECTED-VIEW-NAV-START} -->"; + private static final String INJECT_VIEW_ITEMS_END = + "<!-- {INJECTED-VIEW-NAV-END} -->"; + + private static final String HDR_FORMAT = + "<div class=\"nav-hdr\">%s</div>\n"; + private static final String NAV_FORMAT = + "<a ng-click=\"navCtrl.hideNav()\" href=\"#/%s\">%s %s</a>\n"; + + private static final String BLANK_GLYPH = "unknown"; + + @GET + @Produces(MediaType.TEXT_HTML) + public Response getNavigation() throws IOException { + UiExtensionService service = get(UiExtensionService.class); + InputStream navTemplate = + getClass().getClassLoader().getResourceAsStream(NAV_HTML); + String html = new String(toByteArray(navTemplate)); + + int p1s = split(html, 0, INJECT_VIEW_ITEMS_START); + int p1e = split(html, 0, INJECT_VIEW_ITEMS_END); + int p2s = split(html, p1e, null); + + StreamEnumeration streams = + new StreamEnumeration(of(stream(html, 0, p1s), + includeNavItems(service), + stream(html, p1e, p2s))); + + return Response.ok(new SequenceInputStream(streams)).build(); + } + + // Produces an input stream of nav item injections from all extensions. + private InputStream includeNavItems(UiExtensionService service) { + List<UiExtension> extensions = service.getExtensions(); + StringBuilder sb = new StringBuilder("\n"); + + for (UiView.Category cat : UiView.Category.values()) { + if (cat == UiView.Category.HIDDEN) { + continue; + } + + List<UiView> catViews = getViewsForCat(extensions, cat); + if (!catViews.isEmpty()) { + addCatHeader(sb, cat); + addCatItems(sb, catViews); + } + } + + return new ByteArrayInputStream(sb.toString().getBytes()); + } + + private List<UiView> getViewsForCat(List<UiExtension> extensions, + UiView.Category cat) { + List<UiView> views = new ArrayList<>(); + for (UiExtension extension : extensions) { + views.addAll(extension.views().stream().filter( + view -> cat.equals(view.category()) + ).collect(Collectors.toList())); + } + return views; + } + + private void addCatHeader(StringBuilder sb, UiView.Category cat) { + sb.append(String.format(HDR_FORMAT, cat.label())); + } + + private void addCatItems(StringBuilder sb, List<UiView> catViews) { + for (UiView view : catViews) { + sb.append(String.format(NAV_FORMAT, view.id(), icon(view), view.label())); + } + } + + private String icon(UiView view) { + String gid = view.iconId() == null ? BLANK_GLYPH : view.iconId(); + return "<div icon icon-id=\"" + gid + "\"></div>"; + } +} |