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: 52393 $
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 }