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 java.io.InputStream; 020 021 import org.apache.camel.Exchange; 022 import org.apache.camel.Message; 023 import org.apache.camel.NoTypeConversionAvailableException; 024 import org.apache.camel.converter.stream.StreamCache; 025 import org.apache.camel.processor.interceptor.ExchangeFormatter; 026 import org.apache.camel.util.ObjectHelper; 027 028 /** 029 * Log formatter to format the logging output. 030 */ 031 public class LogFormatter implements ExchangeFormatter { 032 033 private boolean showExchangeId; 034 private boolean showProperties; 035 private boolean showHeaders; 036 private boolean showBodyType = true; 037 private boolean showBody = true; 038 private boolean showOut; 039 private boolean showAll; 040 private boolean multiline; 041 042 public Object format(Exchange exchange) { 043 Message in = exchange.getIn(); 044 045 StringBuilder sb = new StringBuilder(""); 046 if (showAll || showExchangeId) { 047 if (multiline) { 048 sb.append('\n'); 049 } 050 sb.append(", Id:").append(exchange.getExchangeId()); 051 } 052 if (showAll || showProperties) { 053 if (multiline) { 054 sb.append('\n'); 055 } 056 sb.append(", Properties:").append(exchange.getProperties()); 057 } 058 if (showAll || showHeaders) { 059 if (multiline) { 060 sb.append('\n'); 061 } 062 sb.append(", Headers:").append(in.getHeaders()); 063 } 064 if (showAll || showBodyType) { 065 if (multiline) { 066 sb.append('\n'); 067 } 068 sb.append(", BodyType:").append(getBodyTypeAsString(in)); 069 } 070 if (showAll || showBody) { 071 if (multiline) { 072 sb.append('\n'); 073 } 074 sb.append(", Body:").append(getBodyAsString(in)); 075 } 076 077 Message out = exchange.getOut(false); 078 if (showAll || showOut) { 079 if (out != null) { 080 if (showAll || showHeaders) { 081 if (multiline) { 082 sb.append('\n'); 083 } 084 sb.append(", OutHeaders:").append(out.getHeaders()); 085 } 086 if (showAll || showBodyType) { 087 if (multiline) { 088 sb.append('\n'); 089 } 090 sb.append(", OutBodyType:").append(getBodyTypeAsString(out)); 091 } 092 if (showAll || showBody) { 093 if (multiline) { 094 sb.append('\n'); 095 } 096 sb.append(", OutBody:").append(getBodyAsString(out)); 097 } 098 } else { 099 if (multiline) { 100 sb.append('\n'); 101 } 102 sb.append(", Out: null"); 103 } 104 } 105 106 // get rid of the leading space comma if needed 107 return "Exchange[" + (multiline ? sb.append(']').toString() : sb.toString().substring(2) + "]"); 108 } 109 110 public boolean isShowExchangeId() { 111 return showExchangeId; 112 } 113 114 public void setShowExchangeId(boolean showExchangeId) { 115 this.showExchangeId = showExchangeId; 116 } 117 118 public boolean isShowProperties() { 119 return showProperties; 120 } 121 122 public void setShowProperties(boolean showProperties) { 123 this.showProperties = showProperties; 124 } 125 126 public boolean isShowHeaders() { 127 return showHeaders; 128 } 129 130 public void setShowHeaders(boolean showHeaders) { 131 this.showHeaders = showHeaders; 132 } 133 134 public boolean isShowBodyType() { 135 return showBodyType; 136 } 137 138 public void setShowBodyType(boolean showBodyType) { 139 this.showBodyType = showBodyType; 140 } 141 142 public boolean isShowBody() { 143 return showBody; 144 } 145 146 public void setShowBody(boolean showBody) { 147 this.showBody = showBody; 148 } 149 150 public boolean isShowOut() { 151 return showOut; 152 } 153 154 public void setShowOut(boolean showOut) { 155 this.showOut = showOut; 156 } 157 158 public boolean isShowAll() { 159 return showAll; 160 } 161 162 public void setShowAll(boolean showAll) { 163 this.showAll = showAll; 164 } 165 166 public boolean isMultiline() { 167 return multiline; 168 } 169 170 /** 171 * If enabled then each information is outputted on a newline. 172 */ 173 public void setMultiline(boolean multiline) { 174 this.multiline = multiline; 175 } 176 177 // Implementation methods 178 //------------------------------------------------------------------------- 179 protected Object getBodyAsString(Message message) { 180 StreamCache newBody = null; 181 try { 182 newBody = message.getBody(StreamCache.class); 183 if (newBody != null) { 184 message.setBody(newBody); 185 } 186 } catch (NoTypeConversionAvailableException ex) { 187 // ignore 188 } 189 Object answer = null; 190 try { 191 answer = message.getBody(String.class); 192 } catch (NoTypeConversionAvailableException ex) { 193 answer = message.getBody(); 194 } 195 196 if (newBody != null) { 197 // Reset the StreamCache 198 newBody.reset(); 199 } 200 return answer; 201 } 202 203 protected Object getBodyTypeAsString(Message message) { 204 String answer = ObjectHelper.classCanonicalName(message.getBody()); 205 if (answer != null && answer.startsWith("java.lang.")) { 206 return answer.substring(10); 207 } 208 return answer; 209 } 210 211 }