Author: rdonkin
Date: Mon Mar 30 07:20:19 2009
New Revision: 759856
URL: http://svn.apache.org/viewvc?rev=759856&view=rev
Log:
Added decorating Log implementation for use by assemblers IMAP-75
https://issues.apache.org/jira/browse/IMAP-75
Added:
james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java
(with props)
Added:
james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java
URL:
http://svn.apache.org/viewvc/james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java?rev=759856&view=auto
==============================================================================
---
james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java
(added)
+++
james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java
Mon Mar 30 07:20:19 2009
@@ -0,0 +1,223 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one *
+ * or more contributor license agreements. See the NOTICE file *
+ * distributed with this work for additional information *
+ * regarding copyright ownership. The ASF licenses this file *
+ * to you under the Apache License, Version 2.0 (the *
+ * "License"); you may not use this file except in compliance *
+ * with the License. You may obtain a copy of the License at *
+ * *
+ * http://www.apache.org/licenses/LICENSE-2.0 *
+ * *
+ * Unless required by applicable law or agreed to in writing, *
+ * software distributed under the License is distributed on an *
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
+ * KIND, either express or implied. See the License for the *
+ * specific language governing permissions and limitations *
+ * under the License. *
+ ****************************************************************/
+package org.apache.james.imap.main;
+
+import org.apache.commons.logging.Log;
+
+/**
+ * Decorates a log adding contextual information.
+ */
+public class ContextualLog implements Log {
+
+ private final Object context;
+ private final Log decoratedLog;
+
+ public ContextualLog(final Object context, final Log decoratedLog) {
+ super();
+ this.context = context;
+ this.decoratedLog = decoratedLog;
+ }
+
+ public void debug(Object message) {
+ if (isDebugEnabled()) {
+ if (context == null) {
+ decoratedLog.debug(message);
+ } else {
+ decoratedLog.debug(new Message(context, message));
+ }
+ }
+ }
+
+ public void debug(Object message, Throwable t) {
+ if (isDebugEnabled()) {
+ if (context == null) {
+ decoratedLog.debug(message, t);
+ } else {
+ decoratedLog.debug(new Message(context, message), t);
+ }
+ }
+ }
+
+ public void error(Object message) {
+ if (isErrorEnabled()) {
+ if (context == null) {
+ decoratedLog.error(message);
+ } else {
+ decoratedLog.error(new Message(context, message));
+ }
+ }
+ }
+
+ public void error(Object message, Throwable t) {
+ if (isErrorEnabled()) {
+ if (context == null) {
+ decoratedLog.error(message, t);
+ } else {
+ decoratedLog.error(new Message(context, message), t);
+ }
+ }
+ }
+
+ public void fatal(Object message) {
+ if (isFatalEnabled()) {
+ if (context == null) {
+ decoratedLog.fatal(message);
+ } else {
+ decoratedLog.fatal(new Message(context, message));
+ }
+ }
+ }
+
+ public void fatal(Object message, Throwable t) {
+ if (isFatalEnabled()) {
+ if (context == null) {
+ decoratedLog.fatal(message, t);
+ } else {
+ decoratedLog.fatal(new Message(context, message), t);
+ }
+ }
+ }
+
+ public void info(Object message) {
+ if (isInfoEnabled()) {
+ if (context == null) {
+ decoratedLog.info(message);
+ } else {
+ decoratedLog.info(new Message(context, message));
+ }
+ }
+ }
+
+ public void info(Object message, Throwable t) {
+ if (isInfoEnabled()) {
+ if (context == null) {
+ decoratedLog.info(message, t);
+ } else {
+ decoratedLog.info(new Message(context, message), t);
+ }
+ }
+ }
+
+ public boolean isDebugEnabled() {
+ return decoratedLog.isDebugEnabled();
+ }
+
+ public boolean isErrorEnabled() {
+ return decoratedLog.isErrorEnabled();
+ }
+
+ public boolean isFatalEnabled() {
+ return decoratedLog.isFatalEnabled();
+ }
+
+ public boolean isInfoEnabled() {
+ return decoratedLog.isInfoEnabled();
+ }
+
+ public boolean isTraceEnabled() {
+ return decoratedLog.isTraceEnabled();
+ }
+
+ public boolean isWarnEnabled() {
+ return decoratedLog.isWarnEnabled();
+ }
+
+ public void trace(Object message) {
+ if (isTraceEnabled()) {
+ if (context == null) {
+ decoratedLog.trace(message);
+ } else {
+ decoratedLog.trace(new Message(context, message));
+ }
+ }
+ }
+
+ public void trace(Object message, Throwable t) {
+ if (isTraceEnabled()) {
+ if (context == null) {
+ decoratedLog.trace(message, t);
+ } else {
+ decoratedLog.trace(new Message(context, message), t);
+ }
+ }
+ }
+
+ public void warn(Object message) {
+ if (isWarnEnabled()) {
+ if (context == null) {
+ decoratedLog.warn(message);
+ } else {
+ decoratedLog.warn(new Message(context, message));
+ }
+ }
+ }
+
+ public void warn(Object message, Throwable t) {
+ if (isWarnEnabled()) {
+ if (context == null) {
+ decoratedLog.warn(message, t);
+ } else {
+ decoratedLog.warn(new Message(context, message), t);
+ }
+ }
+ }
+
+ /**
+ * Renders this object suitably for logging.
+ *
+ * @return a <code>String</code> representation
+ * of this object.
+ */
+ public String toString()
+ {
+ final String result = "ContextualLog ( "
+ + "context = " + this.context
+ + " )";
+
+ return result;
+ }
+
+ /**
+ * Combines context with original message.
+ * For logging systems which support object rendering,
+ * a contextual logging aware renderer should be used.
+ */
+ public static final class Message {
+ private final Object context;
+ private final Object message;
+
+ public Message(final Object context, final Object message) {
+ super();
+ this.context = context;
+ this.message = message;
+ }
+
+ public Object getContext() {
+ return context;
+ }
+
+ public Object getMessage() {
+ return message;
+ }
+
+ public String toString() {
+ return context + " " + message;
+ }
+ }
+}
Propchange:
james/protocols/imap/trunk/seda/src/main/java/org/apache/james/imap/main/ContextualLog.java
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