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.google.common.io.ByteStreams; 20 import com.sun.net.httpserver.HttpExchange; 21 import com.sun.net.httpserver.HttpHandler; 22 import java.io.IOException; 23 import java.io.InputStream; 24 import java.io.OutputStream; 25 import java.io.PrintStream; 26 27 // Handler that returns a static file included in ahat.jar. 28 class StaticHandler implements HttpHandler { 29 private String mResourceName; 30 private String mContentType; 31 32 public StaticHandler(String resourceName, String contentType) { 33 mResourceName = resourceName; 34 mContentType = contentType; 35 } 36 37 @Override 38 public void handle(HttpExchange exchange) throws IOException { 39 ClassLoader loader = StaticHandler.class.getClassLoader(); 40 InputStream is = loader.getResourceAsStream(mResourceName); 41 if (is == null) { 42 exchange.getResponseHeaders().add("Content-Type", "text/html"); 43 exchange.sendResponseHeaders(404, 0); 44 PrintStream ps = new PrintStream(exchange.getResponseBody()); 45 HtmlDoc doc = new HtmlDoc(ps, DocString.text("ahat"), DocString.uri("style.css")); 46 doc.big(DocString.text("Resource not found.")); 47 doc.close(); 48 } else { 49 exchange.getResponseHeaders().add("Content-Type", mContentType); 50 exchange.sendResponseHeaders(200, 0); 51 OutputStream os = exchange.getResponseBody(); 52 ByteStreams.copy(is, os); 53 os.close(); 54 } 55 } 56 } 57
