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.processor.interceptor; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.Message; 021 import org.apache.camel.NoTypeConversionAvailableException; 022 import org.apache.camel.converter.stream.StreamCache; 023 import org.apache.camel.spi.UnitOfWork; 024 import org.apache.camel.util.ObjectHelper; 025 026 /** 027 * @version $Revision: 699876 $ 028 */ 029 public class TraceFormatter { 030 private boolean showBreadCrumb = true; 031 private boolean showNode = true; 032 private boolean showExchangeId; 033 private boolean showExchangePattern = true; 034 private boolean showProperties = true; 035 private boolean showHeaders = true; 036 private boolean showBody = true; 037 private boolean showBodyType = true; 038 private boolean showException = true; 039 040 public Object format(TraceInterceptor interceptor, Exchange exchange) { 041 Message in = exchange.getIn(); 042 Throwable exception = exchange.getException(); 043 StringBuilder sb = new StringBuilder(); 044 if (showBreadCrumb || showExchangeId) { 045 sb.append(getBreadCrumbID(exchange)).append(" "); 046 } 047 if (showNode) { 048 sb.append("-> ").append(getNodeMessage(interceptor)).append(" "); 049 } 050 if (showExchangePattern) { 051 sb.append(", Pattern:").append(exchange.getPattern()).append(" "); 052 } 053 // only show properties if we have any 054 if (showProperties && !exchange.getProperties().isEmpty()) { 055 sb.append(", Properties:").append(exchange.getProperties()).append(" "); 056 } 057 // only show headers if we have any 058 if (showHeaders && !in.getHeaders().isEmpty()) { 059 sb.append(", Headers:").append(in.getHeaders()).append(" "); 060 } 061 if (showBodyType) { 062 sb.append(", BodyType:").append(getBodyTypeAsString(in)).append(" "); 063 } 064 if (showBody) { 065 sb.append(", Body:").append(getBodyAsString(in)).append(" "); 066 } 067 if (showException && exception != null) { 068 sb.append(", Exception:").append(exception); 069 } 070 071 return sb.toString(); 072 } 073 074 public boolean isShowBody() { 075 return showBody; 076 } 077 078 public void setShowBody(boolean showBody) { 079 this.showBody = showBody; 080 } 081 082 public boolean isShowBodyType() { 083 return showBodyType; 084 } 085 086 public void setShowBodyType(boolean showBodyType) { 087 this.showBodyType = showBodyType; 088 } 089 090 public boolean isShowBreadCrumb() { 091 return showBreadCrumb; 092 } 093 094 public void setShowBreadCrumb(boolean showBreadCrumb) { 095 this.showBreadCrumb = showBreadCrumb; 096 } 097 098 public boolean isShowExchangeId() { 099 return showExchangeId; 100 } 101 102 public void setShowExchangeId(boolean showExchangeId) { 103 this.showExchangeId = showExchangeId; 104 } 105 106 public boolean isShowHeaders() { 107 return showHeaders; 108 } 109 110 public void setShowHeaders(boolean showHeaders) { 111 this.showHeaders = showHeaders; 112 } 113 114 public boolean isShowProperties() { 115 return showProperties; 116 } 117 118 public void setShowProperties(boolean showProperties) { 119 this.showProperties = showProperties; 120 } 121 122 public boolean isShowNode() { 123 return showNode; 124 } 125 126 public void setShowNode(boolean showNode) { 127 this.showNode = showNode; 128 } 129 130 public boolean isShowExchangePattern() { 131 return showExchangePattern; 132 } 133 134 public void setShowExchangePattern(boolean showExchangePattern) { 135 this.showExchangePattern = showExchangePattern; 136 } 137 138 public boolean isShowException() { 139 return showException; 140 } 141 142 public void setShowException(boolean showException) { 143 this.showException = showException; 144 } 145 146 // Implementation methods 147 //------------------------------------------------------------------------- 148 protected Object getBreadCrumbID(Exchange exchange) { 149 UnitOfWork unitOfWork = exchange.getUnitOfWork(); 150 return unitOfWork.getId(); 151 } 152 153 protected Object getBodyAsString(Message in) { 154 StreamCache newBody = null; 155 try { 156 newBody = in.getBody(StreamCache.class); 157 if (newBody != null) { 158 in.setBody(newBody); 159 } 160 } catch (NoTypeConversionAvailableException ex) { 161 // ignore, in not of StreamCache type 162 } 163 164 Object answer = null; 165 try { 166 answer = in.getBody(String.class); 167 } catch (NoTypeConversionAvailableException ex) { 168 answer = in.getBody(); 169 } 170 171 if (newBody != null) { 172 // Reset the InputStreamCache 173 newBody.reset(); 174 } 175 return answer; 176 } 177 178 protected Object getBodyTypeAsString(Message message) { 179 String answer = ObjectHelper.classCanonicalName(message.getBody()); 180 if (answer != null && answer.startsWith("java.lang.")) { 181 return answer.substring(10); 182 } 183 return answer; 184 } 185 186 protected String getNodeMessage(TraceInterceptor interceptor) { 187 String message = interceptor.getNode().getShortName() + "(" + interceptor.getNode().getLabel() + ")"; 188 return String.format("%1$-25s", message); 189 } 190 191 }