Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils / src / org / simantics / utils / logging / Logger.java

diff --git a/bundles/org.simantics.utils/src/org/simantics/utils/logging/Logger.java b/bundles/org.simantics.utils/src/org/simantics/utils/logging/Logger.java
new file mode 100644 (file)
index 0000000..472f66c
--- /dev/null
+++ b/bundles/org.simantics.utils/src/org/simantics/utils/logging/Logger.java
@@ -0,0 +1,108 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.utils.logging;\r
+\r
+import java.util.Properties;\r
+\r
+abstract public class Logger {\r
+\r
+       public static final boolean ECHO = false;\r
+    \r
+    protected static final Properties defaultProperties(String ... keyValuePairs) {\r
+\r
+       assert(keyValuePairs.length % 2 == 0);\r
+       \r
+        Properties defaultProperties = new Properties();\r
+        defaultProperties.put("log4j.rootCategory", "ERROR, default");\r
+        defaultProperties.put("log4j.appender.default", "org.apache.log4j.FileAppender");\r
+        defaultProperties.put("log4j.appender.default.append", "false");\r
+        defaultProperties.put("log4j.appender.default.layout", "org.apache.log4j.PatternLayout");\r
+        defaultProperties.put("log4j.appender.default.layout.ConversionPattern", "%-6r [%15.15t] %-5p %30.30c - %m%n");\r
+        \r
+        for(int i=0;i<keyValuePairs.length;) {\r
+               String key = keyValuePairs[i++];\r
+               String value = keyValuePairs[i++];\r
+               defaultProperties.put(key, value);\r
+        }\r
+        \r
+        return defaultProperties; \r
+       \r
+    }\r
+    \r
+    final protected org.apache.log4j.Logger logger;\r
+    \r
+    protected Logger(org.apache.log4j.Logger logger) {\r
+       this.logger = logger;\r
+    }\r
+\r
+    final protected org.apache.log4j.Logger getLogger() {\r
+       return logger;\r
+    }\r
+    \r
+    /**\r
+     * Log a trace event.\r
+     * \r
+     * @param message message of the trace\r
+     * @param exception the exception, or <code>null</code>\r
+     */\r
+    public void logTrace(String message, Throwable exception) {\r
+        // Errors are much more useful with a stack trace!\r
+        if (exception == null) {\r
+            exception = new RuntimeException();\r
+        }\r
+        getLogger().trace(message, exception);\r
+    }\r
+\r
+    /**\r
+     * Log an info event.\r
+     * \r
+     * @param message message of the info\r
+     * @param exception the exception, or <code>null</code>\r
+     */\r
+    public void logInfo(String message, Throwable exception) {\r
+        // Errors are much more useful with a stack trace!\r
+        if (exception == null) {\r
+            exception = new RuntimeException();\r
+        }\r
+        getLogger().info(message, exception);\r
+    }\r
+\r
+    /**\r
+     * Log an error event.\r
+     * \r
+     * @param message message of the error\r
+     * @param exception the exception, or <code>null</code>\r
+     */\r
+    public void logError(String message, Throwable exception) {\r
+       \r
+        // Errors are much more useful with a stack trace!\r
+        if (exception == null) {\r
+            exception = new RuntimeException();\r
+        }\r
+        getLogger().error(message, exception);\r
+    }\r
+    \r
+    /**\r
+     * Log an error event.\r
+     * \r
+     * @param message message of the error\r
+     * @param exception the exception, or <code>null</code>\r
+     */\r
+    public void logWarning(String message, Throwable exception) {\r
+        // Errors are much more useful with a stack trace!\r
+        if (exception == null) {\r
+            exception = new RuntimeException();\r
+        }\r
+        getLogger().error(message, exception);\r
+    }\r
+    \r
+}\r