[slf4j-dev] svn commit: r1089 - in slf4j/trunk/slf4j-ext/src: main/java/org/slf4j test/java/org/slf4j

[Ralph Goers]

Actually, since this is an extension I think it is perfectly reasonable 
that it work with JDK 1.4+. However, that should be documented.

Jacob Kjome wrote:
> Is this stuff supposed to work with JDK1.3+?  You're using varargs.  You really
> need to validate this stuff by compiling under the lowest JDK you claim to support.
>
> Jake
>
> ceki at slf4j.org wrote:
>   
>> Author: ceki
>> Date: Fri Aug  1 23:52:22 2008
>> New Revision: 1089
>>
>> Added:
>>    slf4j/trunk/slf4j-ext/src/main/java/org/slf4j/LoggerX.java
>>    slf4j/trunk/slf4j-ext/src/test/java/org/slf4j/LoggerXTest.java
>>
>> Log:
>> started work on bug 86, http://bugzilla.slf4j.org/show_bug.cgi?id=86
>>
>> Added: slf4j/trunk/slf4j-ext/src/main/java/org/slf4j/LoggerX.java
>> ==============================================================================
>> --- (empty file)
>> +++ slf4j/trunk/slf4j-ext/src/main/java/org/slf4j/LoggerX.java	Fri Aug  1 23:52:22 2008
>> @@ -0,0 +1,61 @@
>> +package org.slf4j;
>> +
>> +import org.slf4j.helpers.MessageFormatter;
>> +import org.slf4j.spi.LocationAwareLogger;
>> +
>> +/**
>> + * A utility that provides standard mechanisms for logging certain kinds of
>> + * activities.
>> + * 
>> + * @author Ralph Goers
>> + * @author Ceki Gulcu
>> + */
>> +public class LoggerX {
>> +
>> +  private static final String FQCN = LoggerX.class.getName();
>> +  static Marker FLOW_MARKER = MarkerFactory.getMarker("FLOW");
>> +  static Marker ENTRY_MARKER = MarkerFactory.getMarker("ENTER");
>> +  static Marker EXIT_MARKER = MarkerFactory.getMarker("EXIT");
>> +
>> +  static Marker EXCEPTION_MARKER = MarkerFactory.getMarker("EXCEPTION");
>> +  static Marker DIAG_MARKER = MarkerFactory.getMarker("DIAG");
>> +
>> +  static String ENTRY_MESSAGE_0 = "entry";
>> +  static String ENTRY_MESSAGE_1 = "entry with params ({})";
>> +  static String ENTRY_MESSAGE_2 = "entry with params ({}, {})";
>> +  static String ENTRY_MESSAGE_3 = "entry with params ({}, {}, {})";
>> +  static String ENTRY_MESSAGE_4 = "entry with params ({}, {}, {}, {})";
>> +  static int ENTRY_MESSAGE_ARRAY_LEN = 5;
>> +  static String[] ENTRY_MESSAGE_ARRAY = new String[ENTRY_MESSAGE_ARRAY_LEN];
>> +  static {
>> +    ENTRY_MARKER.add(FLOW_MARKER);
>> +    EXIT_MARKER.add(FLOW_MARKER);
>> +    ENTRY_MESSAGE_ARRAY[0] = ENTRY_MESSAGE_0;
>> +    ENTRY_MESSAGE_ARRAY[1] = ENTRY_MESSAGE_1;
>> +    ENTRY_MESSAGE_ARRAY[2] = ENTRY_MESSAGE_2;
>> +    ENTRY_MESSAGE_ARRAY[3] = ENTRY_MESSAGE_3;
>> +    ENTRY_MESSAGE_ARRAY[4] = ENTRY_MESSAGE_4;
>> +  }
>> +
>> +  /**
>> +   * Log entry to a method
>> +   * 
>> +   * @param logger
>> +   *                the Logger to log with.
>> +   */
>> +  public static void entering(Logger logger, Object... argArray) {
>> +    if (logger.isDebugEnabled(ENTRY_MARKER)
>> +        && logger instanceof LocationAwareLogger) {
>> +      String messagePattern = "";
>> +      if(argArray.length <= ENTRY_MESSAGE_ARRAY_LEN) {
>> +        messagePattern = ENTRY_MESSAGE_ARRAY[argArray.length];
>> +      }
>> +      
>> +      String msg = MessageFormatter.arrayFormat(messagePattern, argArray);
>> +      
>> +      ((LocationAwareLogger) logger).log(ENTRY_MARKER, FQCN,
>> +          LocationAwareLogger.ERROR_INT, msg, null);
>> +    }
>> +  }
>> +
>> +}
>>
>> Added: slf4j/trunk/slf4j-ext/src/test/java/org/slf4j/LoggerXTest.java
>> ==============================================================================
>> --- (empty file)
>> +++ slf4j/trunk/slf4j-ext/src/test/java/org/slf4j/LoggerXTest.java	Fri Aug  1 23:52:22 2008
>> @@ -0,0 +1,12 @@
>> +package org.slf4j;
>> +
>> +import junit.framework.TestCase;
>> +
>> +public class LoggerXTest extends TestCase {
>> +
>> +  Logger logger = LoggerFactory.getLogger(this.getClass());
>> +  
>> +  public void testSmoke() {
>> +    LoggerX.entering(logger);
>> +  }
>> +}
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>>
>>
>>
>>     
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