1a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler/* 2a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * Copyright (C) 2015 The Android Open Source Project 3a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * 4a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * Licensed under the Apache License, Version 2.0 (the "License"); 5a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * you may not use this file except in compliance with the License. 6a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * You may obtain a copy of the License at 7a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * 8a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * http://www.apache.org/licenses/LICENSE-2.0 9a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * 10a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * Unless required by applicable law or agreed to in writing, software 11a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * distributed under the License is distributed on an "AS IS" BASIS, 12a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * See the License for the specific language governing permissions and 14a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * limitations under the License. 15a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler */ 16a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 17a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerpackage com.android.ahat; 18a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 19a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport com.google.common.io.ByteStreams; 20a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport com.sun.net.httpserver.HttpExchange; 21a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport com.sun.net.httpserver.HttpHandler; 22a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport java.io.IOException; 23a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport java.io.InputStream; 24a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerimport java.io.PrintStream; 25a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 26a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler/** 27a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * HelpHandler. 28a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * 29a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler * HttpHandler to show the help page. 30a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler */ 31a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhlerclass HelpHandler implements HttpHandler { 32a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 33a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler @Override 34a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler public void handle(HttpExchange exchange) throws IOException { 35a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler ClassLoader loader = HelpHandler.class.getClassLoader(); 36a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler exchange.getResponseHeaders().add("Content-Type", "text/html;charset=utf-8"); 37a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler exchange.sendResponseHeaders(200, 0); 38a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler PrintStream ps = new PrintStream(exchange.getResponseBody()); 39a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler HtmlDoc doc = new HtmlDoc(ps, DocString.text("ahat"), DocString.uri("style.css")); 40a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler doc.menu(Menu.getMenu()); 41a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 42a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler InputStream is = loader.getResourceAsStream("help.html"); 43a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler if (is == null) { 44a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler ps.println("No help available."); 45a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler } else { 46a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler ByteStreams.copy(is, ps); 47a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler } 48a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler 49a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler doc.close(); 50a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler ps.close(); 51a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler } 52a7f46cb9ccc34c3b9af2e3d2ad90c13f89a94829Richard Uhler} 53