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 26package sun.net.www.protocol.http.logging; 27 28import java.util.logging.LogRecord; 29import java.util.regex.*; 30 31/** 32 * A Formatter to make the HTTP logs a bit more palatable to the developer 33 * looking at them. The idea is to present the HTTP events in such a way that 34 * commands and headers are easily spotted (i.e. on separate lines). 35 * @author jccollet 36 */ 37public class HttpLogFormatter extends java.util.logging.SimpleFormatter { 38 // Pattern for MessageHeader data. Mostly pairs within curly brackets 39 private static volatile Pattern pattern = null; 40 // Pattern for Cookies 41 private static volatile Pattern cpattern = null; 42 43 public HttpLogFormatter() { 44 if (pattern == null) { 45 pattern = Pattern.compile("\\{[^\\}]*\\}"); 46 cpattern = Pattern.compile("[^,\\] ]{2,}"); 47 } 48 } 49 50 @Override 51 public String format(LogRecord record) { 52 String sourceClassName = record.getSourceClassName(); 53 if (sourceClassName == null || 54 !(sourceClassName.startsWith("sun.net.www.protocol.http") || 55 sourceClassName.startsWith("sun.net.www.http"))) { 56 return super.format(record); 57 } 58 String src = record.getMessage(); 59 StringBuilder buf = new StringBuilder("HTTP: "); 60 if (src.startsWith("sun.net.www.MessageHeader@")) { 61 // MessageHeader logs are composed of pairs within curly brackets 62 // Let's extract them to make it more readable. That way we get one 63 // header pair (name, value) per line. A lot easier to read. 64 Matcher match = pattern.matcher(src); 65 while (match.find()) { 66 int i = match.start(); 67 int j = match.end(); 68 String s = src.substring(i + 1, j - 1); 69 if (s.startsWith("null: ")) { 70 s = s.substring(6); 71 } 72 if (s.endsWith(": null")) { 73 s = s.substring(0, s.length() - 6); 74 } 75 buf.append("\t").append(s).append("\n"); 76 } 77 } else if (src.startsWith("Cookies retrieved: {")) { 78 // This comes from the Cookie handler, let's clean up the format a bit 79 String s = src.substring(20); 80 buf.append("Cookies from handler:\n"); 81 while (s.length() >= 7) { 82 if (s.startsWith("Cookie=[")) { 83 String s2 = s.substring(8); 84 int c = s2.indexOf("Cookie2=["); 85 if (c > 0) { 86 s2 = s2.substring(0, c-1); 87 s = s2.substring(c); 88 } else { 89 s = ""; 90 } 91 if (s2.length() < 4) { 92 continue; 93 } 94 Matcher m = cpattern.matcher(s2); 95 while (m.find()) { 96 int i = m.start(); 97 int j = m.end(); 98 if (i >= 0) { 99 String cookie = s2.substring(i + 1, j > 0 ? j - 1 : s2.length() - 1); 100 buf.append("\t").append(cookie).append("\n"); 101 } 102 } 103 } 104 if (s.startsWith("Cookie2=[")) { 105 String s2 = s.substring(9); 106 int c = s2.indexOf("Cookie=["); 107 if (c > 0) { 108 s2 = s2.substring(0, c-1); 109 s = s2.substring(c); 110 } else { 111 s = ""; 112 } 113 Matcher m = cpattern.matcher(s2); 114 while (m.find()) { 115 int i = m.start(); 116 int j = m.end(); 117 if (i >= 0) { 118 String cookie = s2.substring(i+1, j > 0 ? j-1 : s2.length() - 1); 119 buf.append("\t").append(cookie).append("\n"); 120 } 121 } 122 } 123 } 124 } else { 125 // Anything else we let as is. 126 buf.append(src).append("\n"); 127 } 128 return buf.toString(); 129 } 130 131} 132