| /* |
| * Copyright 2013-present Facebook, Inc. |
| * |
| * 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 com.facebook.buck.httpserver; |
| |
| import com.facebook.buck.httpserver.TracesHelper.TraceAttributes; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.template.soy.data.SoyMapData; |
| |
| import org.eclipse.jetty.server.Request; |
| |
| import java.io.IOException; |
| import java.util.regex.Matcher; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * HTTP handler for requests to the {@code /trace} path. |
| */ |
| public class TraceHandlerDelegate extends AbstractTemplateHandlerDelegate { |
| |
| private final TracesHelper tracesHelper; |
| |
| TraceHandlerDelegate(TracesHelper tracesHelper) { |
| super(ImmutableSet.of("trace.soy")); |
| this.tracesHelper = tracesHelper; |
| } |
| |
| @Override |
| public String getTemplateForRequest(Request baseRequest) { |
| return "buck.trace"; |
| } |
| |
| @Override |
| @Nullable |
| public SoyMapData getDataForRequest(Request baseRequest) throws IOException { |
| String path = baseRequest.getPathInfo(); |
| Matcher matcher = TraceDataHandler.ID_PATTERN.matcher(path); |
| if (!matcher.matches()) { |
| return null; |
| } |
| |
| SoyMapData templateData = new SoyMapData(); |
| |
| String id = matcher.group(1); |
| templateData.put("traceId", id); |
| |
| // Read the args to `buck` out of the Chrome Trace. |
| TraceAttributes traceAttributes = tracesHelper.getTraceAttributesFor(id); |
| templateData.put("dateTime", traceAttributes.getFormattedDateTime()); |
| if (traceAttributes.getCommand().isPresent()) { |
| templateData.put("command", traceAttributes.getCommand().get()); |
| } |
| |
| return templateData; |
| } |
| } |