| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 httpserv; |
| |
| import com.sun.net.httpserver.Headers; |
| import com.sun.net.httpserver.HttpExchange; |
| import com.sun.net.httpserver.HttpHandler; |
| import com.sun.net.httpserver.HttpServer; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.InetSocketAddress; |
| |
| /** |
| * |
| * @author jochen |
| */ |
| public class Main { |
| |
| /** |
| * @param args the command line arguments |
| */ |
| public static void main(String[] args) { |
| try { |
| |
| Option[] opts = new Option[2]; |
| opts[0] = new Option("--help", "-h", false); |
| opts[1] = new Option("--accept", "-a", true); |
| if (!parseOptions(args, opts)) { |
| return; |
| } |
| HttpServer server = HttpServer.create( |
| new InetSocketAddress((Integer) opts[1].value), 0); |
| server.createContext("/", new MyHandler()); |
| server.setExecutor(null); |
| server.start(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } // TODO code application logic here |
| |
| static boolean parseOptions(String[] args, Option[] inout_options) { |
| if (args.length == 0) { |
| printUsage(); |
| return false; |
| } |
| |
| boolean bWrongArgs = true; |
| Option currentOpt = null; |
| |
| for (String s : args) { |
| // get the value for an option |
| if (currentOpt != null && currentOpt.bHasValue) { |
| //now we expect the value for the option |
| //check the type |
| try { |
| if (currentOpt.sLong.equals("--accept")) { |
| currentOpt.value = Integer.decode(s); |
| } |
| } catch (Exception e ) { |
| printUsage(); |
| return false; |
| } |
| currentOpt = null; |
| continue; |
| } else { |
| currentOpt = null; |
| } |
| |
| |
| // get the option |
| for (Option o : inout_options) { |
| if (s.equals(o.sLong) || s.equals(o.sShort)) { |
| bWrongArgs = false; |
| //special handling for --help |
| if (o.sLong.equals("--help")) { |
| printUsage(); |
| return false; |
| } |
| else |
| { |
| currentOpt = o; |
| if (!o.bHasValue) { |
| o.bSet = true; |
| } |
| break; |
| } |
| } |
| } |
| } |
| |
| if (bWrongArgs) { |
| printUsage(); |
| return false; |
| } |
| return true; |
| } |
| |
| static void printUsage() { |
| String usage = new String( |
| "Usage: \n" + |
| "java -jar httpserv [options] \n" + |
| "\n" + |
| "Options are: \n" + |
| "-h --help \t this help \n" + |
| "-a --accept port \t the port number to which this server listens \n"); |
| System.out.println(usage); |
| } |
| } |
| |
| class MyHandler implements HttpHandler { |
| |
| public void handle(HttpExchange xchange) throws IOException { |
| try { |
| //First get the path to the file |
| File fileCurrent = new File("."); |
| String sRequestPath = xchange.getRequestURI().getPath(); |
| System.out.println("requested: " + sRequestPath); |
| File fileRequest = new File(new File(".").getCanonicalPath(), sRequestPath); |
| if (!fileRequest.exists()) { |
| throw new Exception("The file " + fileRequest.toString() + " does not exist!\n"); |
| } |
| else if (fileRequest.isDirectory()) { |
| throw new Exception(fileRequest.toString() + " is a directory!\n"); |
| } |
| |
| |
| //Read the file into a byte array |
| byte[] data = new byte[(int) fileRequest.length()]; |
| FileInputStream fr = new FileInputStream(fileRequest); |
| int count = fr.read(data); |
| |
| //set the Content-type header |
| Headers h = xchange.getResponseHeaders(); |
| String canonicalPath = fileRequest.getCanonicalPath(); |
| int lastIndex = canonicalPath.lastIndexOf("."); |
| String fileExtension = canonicalPath.substring(lastIndex + 1); |
| |
| if (fileExtension.equalsIgnoreCase("crl")) |
| { |
| //h.set("Content-Type","application/x-pkcs7-crl"); |
| h.set("Content-Type","application/pkix-crl"); |
| } |
| else if (fileExtension.equalsIgnoreCase("crt") |
| || fileExtension.equalsIgnoreCase("cer") |
| || fileExtension.equalsIgnoreCase("der")) |
| { |
| h.set("Content-Type", "application/x-x509-ca-cert"); |
| } |
| |
| //write out the requested file |
| xchange.sendResponseHeaders(200, data.length); |
| OutputStream os = xchange.getResponseBody(); |
| os.write(data); |
| os.close(); |
| System.out.println("delivered: " + fileRequest.toString()); |
| |
| } catch (Exception e) { |
| xchange.sendResponseHeaders(404, e.getMessage().length()); |
| OutputStream os = xchange.getResponseBody(); |
| os.write(e.getMessage().getBytes()); |
| os.close(); |
| System.out.println("Error: " + e.getMessage()); |
| } |
| } |
| } |
| |
| class Option { |
| |
| Option(String _sLong, String _sShort, boolean _bHasValue) { |
| sLong = _sLong; |
| sShort = _sShort; |
| bHasValue = _bHasValue; |
| } |
| String sLong; |
| String sShort; |
| boolean bHasValue; |
| Object value; |
| //indicates if this option was set if it does not need a value. Otherwise value |
| //is set. |
| boolean bSet; |
| } |
| |
| |