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