1 /* 2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.net.www.http; 27 import java.io.*; 28 29 /** 30 * A Simple FilterInputStream subclass to capture HTTP traffic. 31 * Every byte read is also passed to the HttpCapture class. 32 * 33 * @author jccollet 34 */ 35 public class HttpCaptureInputStream extends FilterInputStream { 36 private HttpCapture capture = null; 37 HttpCaptureInputStream(InputStream in, HttpCapture cap)38 public HttpCaptureInputStream(InputStream in, HttpCapture cap) { 39 super(in); 40 capture = cap; 41 } 42 43 @Override read()44 public int read() throws IOException { 45 int i = super.read(); 46 capture.received(i); 47 return i; 48 } 49 50 @Override close()51 public void close() throws IOException { 52 try { 53 capture.flush(); 54 } catch (IOException iOException) { 55 } 56 super.close(); 57 } 58 59 @Override read(byte[] b)60 public int read(byte[] b) throws IOException { 61 int ret = super.read(b); 62 for (int i = 0; i < ret; i++) { 63 capture.received(b[i]); 64 } 65 return ret; 66 } 67 68 @Override read(byte[] b, int off, int len)69 public int read(byte[] b, int off, int len) throws IOException { 70 int ret = super.read(b, off, len); 71 for (int i = 0; i < ret; i++) { 72 capture.received(b[off+i]); 73 } 74 return ret; 75 } 76 } 77