1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ahat; 18 19 import com.sun.net.httpserver.HttpExchange; 20 import com.sun.net.httpserver.HttpHandler; 21 import java.io.IOException; 22 import java.io.PrintStream; 23 24 /** 25 * AhatHttpHandler. 26 * 27 * HttpHandler for AhatHandlers. 28 */ 29 class AhatHttpHandler implements HttpHandler { 30 31 private AhatHandler mAhatHandler; 32 AhatHttpHandler(AhatHandler handler)33 public AhatHttpHandler(AhatHandler handler) { 34 mAhatHandler = handler; 35 } 36 37 @Override handle(HttpExchange exchange)38 public void handle(HttpExchange exchange) throws IOException { 39 exchange.getResponseHeaders().add("Content-Type", "text/html;charset=utf-8"); 40 exchange.sendResponseHeaders(200, 0); 41 PrintStream ps = new PrintStream(exchange.getResponseBody()); 42 try { 43 HtmlDoc doc = new HtmlDoc(ps, DocString.text("ahat"), DocString.uri("style.css")); 44 doc.menu(Menu.getMenu()); 45 mAhatHandler.handle(doc, new Query(exchange.getRequestURI())); 46 doc.close(); 47 } catch (RuntimeException e) { 48 // Print runtime exceptions to standard error for debugging purposes, 49 // because otherwise they are swallowed and not reported. 50 System.err.println("Exception when handling " + exchange.getRequestURI() + ": "); 51 e.printStackTrace(); 52 throw e; 53 } 54 ps.close(); 55 } 56 } 57