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// Copyright 2014 Google Inc. All rights reserved.
//
// 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.google.devtools.build.lib.webstatusserver;
import com.google.common.collect.ImmutableList;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
/**
* Handlers for displaying the index page of server.
*
*/
public class IndexPageHandler {
private List<TestStatusHandler> testHandlers = new ArrayList<>();
private IndexPageJsonData dataHandler;
private StaticResourceHandler frontendHandler;
public IndexPageHandler(HttpServer server, List<TestStatusHandler> testHandlers) {
this.testHandlers = testHandlers;
this.dataHandler = new IndexPageJsonData(this);
this.frontendHandler =
StaticResourceHandler.createFromRelativePath("static/index.html", "text/html");
server.createContext("/", frontendHandler);
server.createContext("/tests/list", dataHandler);
}
/**
* Puts data from the build log into json suitable for frontend.
*
*/
private class IndexPageJsonData implements HttpHandler {
private IndexPageHandler pageHandler;
private Gson gson = new Gson();
public IndexPageJsonData(IndexPageHandler indexPageHandler) {
this.pageHandler = indexPageHandler;
}
@Override
public void handle(HttpExchange exchange) throws IOException {
exchange.getResponseHeaders().put("Content-Type", ImmutableList.of("application/json"));
JsonArray response = new JsonArray();
for (TestStatusHandler handler : this.pageHandler.testHandlers) {
WebStatusBuildLog buildLog = handler.getBuildLog();
JsonObject test = new JsonObject();
test.add("targets", gson.toJsonTree(buildLog.getTargetList()));
test.addProperty("startTime", buildLog.getStartTime());
test.addProperty("finished", buildLog.finished());
test.addProperty("uuid", buildLog.getCommandId().toString());
response.add(test);
}
String serializedResponse = response.toString();
exchange.sendResponseHeaders(200, serializedResponse.length());
try (OutputStream os = exchange.getResponseBody()) {
os.write(serializedResponse.getBytes(StandardCharsets.UTF_8));
}
}
}
}
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