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