001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.component.log; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.Message; 021 import org.apache.camel.StreamCache; 022 import org.apache.camel.spi.ExchangeFormatter; 023 import org.apache.camel.util.ObjectHelper; 024 025 /** 026 * Log formatter to format the logging output. 027 */ 028 public class LogFormatter implements ExchangeFormatter { 029 030 private boolean showExchangeId; 031 private boolean showProperties; 032 private boolean showHeaders; 033 private boolean showBodyType = true; 034 private boolean showBody = true; 035 private boolean showOut; 036 private boolean showException; 037 private boolean showAll; 038 private boolean multiline; 039 private int maxChars; 040 041 public Object format(Exchange exchange) { 042 Message in = exchange.getIn(); 043 044 StringBuilder sb = new StringBuilder(""); 045 if (showAll || showExchangeId) { 046 if (multiline) { 047 sb.append('\n'); 048 } 049 sb.append(", Id:").append(exchange.getExchangeId()); 050 } 051 if (showAll || showProperties) { 052 if (multiline) { 053 sb.append('\n'); 054 } 055 sb.append(", Properties:").append(exchange.getProperties()); 056 } 057 if (showAll || showHeaders) { 058 if (multiline) { 059 sb.append('\n'); 060 } 061 sb.append(", Headers:").append(in.getHeaders()); 062 } 063 if (showAll || showBodyType) { 064 if (multiline) { 065 sb.append('\n'); 066 } 067 sb.append(", BodyType:").append(getBodyTypeAsString(in)); 068 } 069 if (showAll || showBody) { 070 if (multiline) { 071 sb.append('\n'); 072 } 073 sb.append(", Body:").append(getBodyAsString(in)); 074 } 075 if (exchange.getException() != null && (showAll || showException)) { 076 if (multiline) { 077 sb.append('\n'); 078 } 079 sb.append(", Exception:").append(exchange.getException().getMessage()); 080 } 081 082 if (showAll || showOut) { 083 if (exchange.hasOut()) { 084 Message out = exchange.getOut(); 085 if (showAll || showHeaders) { 086 if (multiline) { 087 sb.append('\n'); 088 } 089 sb.append(", OutHeaders:").append(out.getHeaders()); 090 } 091 if (showAll || showBodyType) { 092 if (multiline) { 093 sb.append('\n'); 094 } 095 sb.append(", OutBodyType:").append(getBodyTypeAsString(out)); 096 } 097 if (showAll || showBody) { 098 if (multiline) { 099 sb.append('\n'); 100 } 101 sb.append(", OutBody:").append(getBodyAsString(out)); 102 } 103 } else { 104 if (multiline) { 105 sb.append('\n'); 106 } 107 sb.append(", Out: null"); 108 } 109 } 110 111 if (maxChars > 0) { 112 StringBuilder answer = new StringBuilder(); 113 for (String s : sb.toString().split("\n")) { 114 if (s != null) { 115 if (s.length() > maxChars) { 116 s = s.substring(0, maxChars); 117 answer.append(s).append("..."); 118 } else { 119 answer.append(s); 120 } 121 if (multiline) { 122 answer.append("\n"); 123 } 124 } 125 } 126 127 // get rid of the leading space comma if needed 128 return "Exchange[" + (multiline ? answer.append(']').toString() : answer.toString().substring(2) + "]"); 129 } 130 131 // get rid of the leading space comma if needed 132 return "Exchange[" + (multiline ? sb.append(']').toString() : sb.toString().substring(2) + "]"); 133 } 134 135 public boolean isShowExchangeId() { 136 return showExchangeId; 137 } 138 139 public void setShowExchangeId(boolean showExchangeId) { 140 this.showExchangeId = showExchangeId; 141 } 142 143 public boolean isShowProperties() { 144 return showProperties; 145 } 146 147 public void setShowProperties(boolean showProperties) { 148 this.showProperties = showProperties; 149 } 150 151 public boolean isShowHeaders() { 152 return showHeaders; 153 } 154 155 public void setShowHeaders(boolean showHeaders) { 156 this.showHeaders = showHeaders; 157 } 158 159 public boolean isShowBodyType() { 160 return showBodyType; 161 } 162 163 public void setShowBodyType(boolean showBodyType) { 164 this.showBodyType = showBodyType; 165 } 166 167 public boolean isShowBody() { 168 return showBody; 169 } 170 171 public void setShowBody(boolean showBody) { 172 this.showBody = showBody; 173 } 174 175 public boolean isShowOut() { 176 return showOut; 177 } 178 179 public void setShowOut(boolean showOut) { 180 this.showOut = showOut; 181 } 182 183 public boolean isShowAll() { 184 return showAll; 185 } 186 187 public void setShowAll(boolean showAll) { 188 this.showAll = showAll; 189 } 190 191 public boolean isShowException() { 192 return showException; 193 } 194 195 public void setShowException(boolean showException) { 196 this.showException = showException; 197 } 198 199 public boolean isMultiline() { 200 return multiline; 201 } 202 203 public int getMaxChars() { 204 return maxChars; 205 } 206 207 public void setMaxChars(int maxChars) { 208 this.maxChars = maxChars; 209 } 210 211 /** 212 * If enabled then each information is outputted on a newline. 213 */ 214 public void setMultiline(boolean multiline) { 215 this.multiline = multiline; 216 } 217 218 // Implementation methods 219 //------------------------------------------------------------------------- 220 protected Object getBodyAsString(Message message) { 221 StreamCache newBody = message.getBody(StreamCache.class); 222 if (newBody != null) { 223 message.setBody(newBody); 224 } 225 226 Object answer = message.getBody(String.class); 227 if (answer == null) { 228 answer = message.getBody(); 229 } 230 231 if (newBody != null) { 232 // Reset the StreamCache 233 newBody.reset(); 234 } 235 return answer; 236 } 237 238 protected Object getBodyTypeAsString(Message message) { 239 String answer = ObjectHelper.classCanonicalName(message.getBody()); 240 if (answer != null && answer.startsWith("java.lang.")) { 241 return answer.substring(10); 242 } 243 return answer; 244 } 245 246 }