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1
16
17 package org.springframework.orm.toplink.support;
18
19 import java.lang.reflect.Method  ;
20
21 import oracle.toplink.logging.AbstractSessionLog;
22 import oracle.toplink.logging.SessionLogEntry;
23 import org.apache.commons.logging.Log;
24 import org.apache.commons.logging.LogFactory;
25
26
51 public class CommonsLoggingSessionLog extends AbstractSessionLog {
52
53 public static final String NAMESPACE_PREFIX = "oracle.toplink.";
54
55 public static final String DEFAULT_NAMESPACE = "session";
56
57 public static final String DEFAULT_SEPARATOR = "--";
58
59
60 private static Method getExceptionMethod;
61
62 static {
63 try {
64 getExceptionMethod = SessionLogEntry.class.getMethod("getException", new Class [0]);
65 }
66 catch (NoSuchMethodException ex) {
67 throw new IllegalStateException ("Could not find method SessionLogEntry.getException()");
68 }
69 }
70
71
72 private String separator = DEFAULT_SEPARATOR;
73
74
75
79 public void setSeparator(String separator) {
80 this.separator = separator;
81 }
82
83
87 public String getSeparator() {
88 return separator;
89 }
90
91
92 public void log(SessionLogEntry entry) {
93 Log logger = LogFactory.getLog(getCategory(entry));
94 switch (entry.getLevel()) {
95 case SEVERE:
96 if (logger.isErrorEnabled()) {
97 if (entry.hasException()) {
98 logger.error(getMessageString(entry), getException(entry));
99 }
100 else {
101 logger.error(getMessageString(entry));
102 }
103 }
104 break;
105 case WARNING:
106 if (logger.isWarnEnabled()) {
107 if (entry.hasException()) {
108 logger.warn(getMessageString(entry), getException(entry));
109 }
110 else {
111 logger.warn(getMessageString(entry));
112 }
113 }
114 break;
115 case INFO:
116 if (logger.isInfoEnabled()) {
117 if (entry.hasException()) {
118 logger.info(getMessageString(entry), getException(entry));
119 }
120 else {
121 logger.info(getMessageString(entry));
122 }
123 }
124 break;
125 case CONFIG:
126 case FINE:
127 case FINER:
128 if (logger.isDebugEnabled()) {
129 if (entry.hasException()) {
130 logger.debug(getMessageString(entry), getException(entry));
131 }
132 else {
133 logger.debug(getMessageString(entry));
134 }
135 }
136 break;
137 case FINEST:
138 if (logger.isTraceEnabled()) {
139 if (entry.hasException()) {
140 logger.trace(getMessageString(entry), getException(entry));
141 }
142 else {
143 logger.trace(getMessageString(entry));
144 }
145 }
146 break;
147 }
148 }
149
150
156 protected String getCategory(SessionLogEntry entry) {
157 if (entry.getNameSpace() != null) {
158 return NAMESPACE_PREFIX + entry.getNameSpace();
159 }
160 return NAMESPACE_PREFIX + DEFAULT_NAMESPACE;
161 }
162
163
171 protected String getMessageString(SessionLogEntry entry) {
172 StringBuffer buf = new StringBuffer ();
173 if (entry.getSession() != null) {
174 buf.append(getSessionString(entry.getSession()));
175 buf.append(getSeparator());
176 }
177 if (entry.getConnection() != null) {
178 buf.append(getConnectionString(entry.getConnection()));
179 buf.append(getSeparator());
180 }
181 buf.append(formatMessage(entry));
182 return buf.toString();
183 }
184
185
193 protected Throwable getException(SessionLogEntry entry) {
194 try {
195 return (Throwable ) getExceptionMethod.invoke(entry, new Object [0]);
196 }
197 catch (Exception ex) {
198 throw new IllegalStateException (
199 "Could not invoke method SessionLogEntry.getException(): " + ex.getMessage());
200 }
201 }
202
203
204
211 public void log(oracle.toplink.sessions.SessionLogEntry entry) {
212 throw new UnsupportedOperationException ("oracle.toplink.sessions.SessionLogEntry not supported");
213 }
214
215 }
216 |
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