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From kiwiwi...@apache.org
Subject svn commit: r1686748 - in /poi: site/src/documentation/content/xdocs/ trunk/src/java/org/apache/poi/util/ trunk/src/testcases/org/apache/poi/util/
Date Sun, 21 Jun 2015 19:06:33 GMT
Author: kiwiwings
Date: Sun Jun 21 19:06:32 2015
New Revision: 1686748

URL: http://svn.apache.org/r1686748
Log:
Bug 58040 - Log Forging
and marked POILogger/POILogFactory internal

Modified:
    poi/site/src/documentation/content/xdocs/status.xml
    poi/trunk/src/java/org/apache/poi/util/NullLogger.java
    poi/trunk/src/java/org/apache/poi/util/POILogFactory.java
    poi/trunk/src/java/org/apache/poi/util/POILogger.java
    poi/trunk/src/java/org/apache/poi/util/StringUtil.java
    poi/trunk/src/testcases/org/apache/poi/util/AllPOIUtilTests.java
    poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java

Modified: poi/site/src/documentation/content/xdocs/status.xml
URL: http://svn.apache.org/viewvc/poi/site/src/documentation/content/xdocs/status.xml?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/site/src/documentation/content/xdocs/status.xml (original)
+++ poi/site/src/documentation/content/xdocs/status.xml Sun Jun 21 19:06:32 2015
@@ -39,6 +39,7 @@
     </devs>
 
     <release version="3.13-beta1" date="2015-??-??">
+        <action dev="PD" type="fix" fixes-bug="58040">Log Forging</action>
         <action dev="DN" type="fix" fixes-bug="56328">Improve AreaReference to take account of the spreadsheet format version when determining whether a reference is whole-column.</action>
         <action dev="PD" type="fix" fixes-bug="57963">Fix and verify in CI builds that we can compile most examples without requiring scratchpad-jar, update documentation.</action>
         <action dev="PD" type="fix" fixes-bug="53109">Correctly handle unicode strings in NameCommentRecord</action>

Modified: poi/trunk/src/java/org/apache/poi/util/NullLogger.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/util/NullLogger.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/util/NullLogger.java (original)
+++ poi/trunk/src/java/org/apache/poi/util/NullLogger.java Sun Jun 21 19:06:32 2015
@@ -27,12 +27,10 @@ package org.apache.poi.util;
  * @author Glen Stampoultzis (glens at apache.org)
  * @author Nicola Ken Barozzi (nicolaken at apache.org)
  */
-public class NullLogger extends POILogger
-{
+public class NullLogger extends POILogger {
     @Override
-    public void initialize(final String cat)
-    {
-       //do nothing
+    public void initialize(final String cat){
+       // do nothing
     }
 
     /**
@@ -45,147 +43,7 @@ public class NullLogger extends POILogge
     @Override
     public void log(final int level, final Object obj1)
     {
-        //do nothing
-    }
-
-    /**
-     * Check if a logger is enabled to log at the specified level
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     */
-
-    @Override
-    public boolean check(final int level)
-    {
-       return false;
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first object to place in the message
-     * @param obj2 second object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     * @param obj7 seventh Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6, final Object obj7)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     * @param obj7 seventh Object to place in the message
-     * @param obj8 eighth Object to place in the message
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6, final Object obj7, final Object obj8)
-    {
-       //do nothing
+        // do nothing
     }
 
     /**
@@ -195,289 +53,19 @@ public class NullLogger extends POILogge
      * @param obj1 The object to log.  This is converted to a string.
      * @param exception An exception to be logged
      */
-
-    @Override
-    public void log(final int level, final Object obj1,
-                    final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Throwable exception)
-    {
-       //do nothing
+    public void log(int level, Object obj1, final Throwable exception) {
+        // do nothing
     }
 
+    
     /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param exception An error message to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4,
-                    final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6, final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param obj7 seventh object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6, final Object obj7,
-                    final Throwable exception)
-    {
-      //do nothing
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param obj7 seventh object to place in the message
-     * @param obj8 eighth object to place in the message
-     * @param exception An exception to be logged
-     */
-
-    @Override
-    public void log(final int level, final Object obj1, final Object obj2,
-                    final Object obj3, final Object obj4, final Object obj5,
-                    final Object obj6, final Object obj7, final Object obj8,
-                    final Throwable exception)
-    {
-       //do nothing
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     */
-
-    @Override
-    public void logFormatted(final int level, final String message,
-                             final Object obj1)
-    {
-       //do nothing
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     */
-
-    @Override
-    public void logFormatted(final int level, final String message,
-                             final Object obj1, final Object obj2)
-    {
-       //do nothing
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     * @param obj3 The third object to match against.
-     */
-
-    @Override
-    public void logFormatted(final int level, final String message,
-                             final Object obj1, final Object obj2,
-                             final Object obj3)
-    {
-       //do nothing
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
+     * Check if a logger is enabled to log at the specified level
      *
      * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     * @param obj3 The third object to match against.
-     * @param obj4 The forth object to match against.
      */
-
     @Override
-    public void logFormatted(final int level, final String message,
-                             final Object obj1, final Object obj2,
-                             final Object obj3, final Object obj4)
-    {
-       //do nothing
+    public boolean check(final int level) {
+       return false;
     }
-
 }
 

Modified: poi/trunk/src/java/org/apache/poi/util/POILogFactory.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/util/POILogFactory.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/util/POILogFactory.java (original)
+++ poi/trunk/src/java/org/apache/poi/util/POILogFactory.java Sun Jun 21 19:06:32 2015
@@ -15,7 +15,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 ==================================================================== */
-        
+
 
 package org.apache.poi.util;
 
@@ -30,20 +30,18 @@ import java.util.Map;
  * @author Marc Johnson (mjohnson at apache dot org)
  * @author Nicola Ken Barozzi (nicolaken at apache.org)
  */
-
-public class POILogFactory
-{
-
+@Internal
+public final class POILogFactory {
     /**
      * Map of POILogger instances, with classes as keys
      */
-    private static Map<String,POILogger> _loggers = new HashMap<String,POILogger>();;
+    private static Map<String,POILogger> _loggers = new HashMap<String,POILogger>();
 
     /**
      * A common instance of NullLogger, as it does nothing
      *  we only need the one
      */
-    private static POILogger _nullLogger = new NullLogger();
+    private static final POILogger _nullLogger = new NullLogger();
     /**
      * The name of the class to use. Initialised the
      *  first time we need it
@@ -53,9 +51,7 @@ public class POILogFactory
     /**
      * Construct a POILogFactory.
      */
-    private POILogFactory()
-    {
-    }
+    private POILogFactory() {}
 
     /**
      * Get a logger, based on a class name
@@ -64,12 +60,10 @@ public class POILogFactory
      *
      * @return a POILogger for the specified class
      */
-
-    public static POILogger getLogger(final Class<?> theclass)
-    {
+    public static POILogger getLogger(final Class<?> theclass) {
         return getLogger(theclass.getName());
     }
-    
+
     /**
      * Get a logger, based on a String
      *
@@ -77,11 +71,9 @@ public class POILogFactory
      *
      * @return a POILogger for the specified class
      */
-
-    public static POILogger getLogger(final String cat)
-    {
+    public static POILogger getLogger(final String cat) {
         POILogger logger = null;
-        
+
         // If we haven't found out what logger to use yet,
         //  then do so now
         // Don't look it up until we're first asked, so
@@ -91,40 +83,40 @@ public class POILogFactory
         	try {
         		_loggerClassName = System.getProperty("org.apache.poi.util.POILogger");
         	} catch(Exception e) {}
-        	
+
         	// Use the default logger if none specified,
         	//  or none could be fetched
         	if(_loggerClassName == null) {
-        		_loggerClassName = _nullLogger.getClass().getName();
+                _loggerClassName = _nullLogger.getClass().getName();
         	}
         }
-        
+
         // Short circuit for the null logger, which
         //  ignores all categories
         if(_loggerClassName.equals(_nullLogger.getClass().getName())) {
         	return _nullLogger;
         }
 
-        
+
         // Fetch the right logger for them, creating
-        //  it if that's required 
-        if (_loggers.containsKey(cat)) {
-            logger = _loggers.get(cat);
-        } else {
+        //  it if that's required
+        logger = _loggers.get(cat);
+        if (logger == null) {
             try {
-              @SuppressWarnings("unchecked")
-			Class<? extends POILogger> loggerClass = 
-                 (Class<? extends POILogger>)Class.forName(_loggerClassName);
-              logger = loggerClass.newInstance();
-              logger.initialize(cat);
+                @SuppressWarnings("unchecked")
+                Class<? extends POILogger> loggerClass =
+                    (Class<? extends POILogger>) Class.forName(_loggerClassName);
+                logger = loggerClass.newInstance();
+                logger.initialize(cat);
             } catch(Exception e) {
-              // Give up and use the null logger
-              logger = _nullLogger;
+                // Give up and use the null logger
+                logger = _nullLogger;
+                _loggerClassName = _nullLogger.getClass().getName();
             }
-            
+
             // Save for next time
             _loggers.put(cat, logger);
         }
         return logger;
     }
-}   // end public class POILogFactory
\ No newline at end of file
+}
\ No newline at end of file

Modified: poi/trunk/src/java/org/apache/poi/util/POILogger.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/util/POILogger.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/util/POILogger.java (original)
+++ poi/trunk/src/java/org/apache/poi/util/POILogger.java Sun Jun 21 19:06:32 2015
@@ -30,6 +30,7 @@ import java.util.List;
  * @author Glen Stampoultzis (glens at apache.org)
  * @author Nicola Ken Barozzi (nicolaken at apache.org)
  */
+@Internal
 public abstract class POILogger {
 
     public static final int DEBUG = 1;
@@ -49,7 +50,7 @@ public abstract class POILogger {
      * package. You need a POILogger? Go to the POILogFactory for one
      */
     POILogger() {
-        // no fields to initialise
+        // no fields to initialize
     }
 
     abstract public void initialize(String cat);
@@ -60,7 +61,7 @@ public abstract class POILogger {
      * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
      * @param obj1 The object to log.  This is converted to a string.
      */
-    abstract public void log(int level, Object obj1);
+    abstract protected void log(int level, Object obj1);
 
     /**
      * Log a message
@@ -69,8 +70,7 @@ public abstract class POILogger {
      * @param obj1 The object to log.  This is converted to a string.
      * @param exception An exception to be logged
      */
-    abstract public void log(int level, Object obj1,
-                    final Throwable exception);
+    abstract protected void log(int level, Object obj1, final Throwable exception);
 
 
     /**
@@ -82,344 +82,32 @@ public abstract class POILogger {
 
    /**
      * Log a message. Lazily appends Object parameters together.
+     * If the last parameter is a {@link Throwable} it is logged specially.
      *
      * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first object to place in the message
-     * @param obj2 second object to place in the message
+     * @param objs the objects to place in the message
      */
-    public void log(int level, Object obj1, Object obj2)
-    {
-        if (check(level))
-        {
-            log(level, new StringBuffer(32).append(obj1).append(obj2));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3)
-    {
-
-
-        if (check(level))
-        {
-            log(level,
-                    new StringBuffer(48).append(obj1).append(obj2)
-                        .append(obj3));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4)
-    {
-
-
-        if (check(level))
-        {
-            log(level,
-                    new StringBuffer(64).append(obj1).append(obj2)
-                        .append(obj3).append(obj4));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5)
-    {
-
-
-        if (check(level))
-        {
-            log(level,
-                    new StringBuffer(80).append(obj1).append(obj2)
-                        .append(obj3).append(obj4).append(obj5));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6)
-    {
-
-
-        if (check(level))
-        {
-            log(level ,
-                    new StringBuffer(96).append(obj1).append(obj2)
-                        .append(obj3).append(obj4).append(obj5).append(obj6));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     * @param obj7 seventh Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6, Object obj7)
-    {
-
-
-        if (check(level))
-        {
-            log(level,
-                    new StringBuffer(112).append(obj1).append(obj2)
-                        .append(obj3).append(obj4).append(obj5).append(obj6)
-                        .append(obj7));
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third Object to place in the message
-     * @param obj4 fourth Object to place in the message
-     * @param obj5 fifth Object to place in the message
-     * @param obj6 sixth Object to place in the message
-     * @param obj7 seventh Object to place in the message
-     * @param obj8 eighth Object to place in the message
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6, Object obj7, Object obj8)
-    {
-
-
-        if (check(level))
-        {
-            log(level,
-                    new StringBuffer(128).append(obj1).append(obj2)
-                        .append(obj3).append(obj4).append(obj5).append(obj6)
-                        .append(obj7).append(obj8));
-        }
-    }
-
-    /**
-     * Log an exception, without a message
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param exception An exception to be logged
-     */
-    public void log(int level, final Throwable exception)
-    {
-        log(level, null, exception);
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(32).append(obj1).append(obj2),
-                    exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param exception An error message to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(48).append(obj1).append(obj2)
-                .append(obj3), exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4,
-                    final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(64).append(obj1).append(obj2)
-                .append(obj3).append(obj4), exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(80).append(obj1).append(obj2)
-                .append(obj3).append(obj4).append(obj5), exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6, final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level , new StringBuffer(96).append(obj1)
-                .append(obj2).append(obj3).append(obj4).append(obj5)
-                .append(obj6), exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param obj7 seventh object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6, Object obj7,
-                    final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(112).append(obj1).append(obj2)
-                .append(obj3).append(obj4).append(obj5).append(obj6)
-                .append(obj7), exception);
-        }
-    }
-
-    /**
-     * Log a message. Lazily appends Object parameters together.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param obj1 first Object to place in the message
-     * @param obj2 second Object to place in the message
-     * @param obj3 third object to place in the message
-     * @param obj4 fourth object to place in the message
-     * @param obj5 fifth object to place in the message
-     * @param obj6 sixth object to place in the message
-     * @param obj7 seventh object to place in the message
-     * @param obj8 eighth object to place in the message
-     * @param exception An exception to be logged
-     */
-    public void log(int level, Object obj1, Object obj2,
-                    Object obj3, Object obj4, Object obj5,
-                    Object obj6, Object obj7, Object obj8,
-                    final Throwable exception)
-    {
-
-
-        if (check(level))
-        {
-            log(level, new StringBuffer(128).append(obj1).append(obj2)
-                .append(obj3).append(obj4).append(obj5).append(obj6)
-                .append(obj7).append(obj8), exception);
+    public void log(int level, Object... objs) {
+        if (!check(level)) return;
+        StringBuilder sb = new StringBuilder(32);
+        Throwable lastEx = null;
+        for (int i=0; i<objs.length; i++) {
+            if (i == objs.length-1 && objs[i] instanceof Throwable) {
+                lastEx = (Throwable)objs[i];
+            } else {
+                sb.append(objs[i]);
+            }
+        }
+        
+        String msg = sb.toString();
+        msg = msg.replaceAll("[\r\n]+", " ");  // log forging escape
+        
+        // somehow this ambiguity works and doesn't lead to a loop,
+        // but it's confusing ...
+        if (lastEx == null) {
+            log(level, msg);
+        } else {
+            log(level, msg, lastEx);
         }
     }
 
@@ -445,239 +133,67 @@ public abstract class POILogger {
      *
      * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
      * @param message The message to log.
-     * @param obj1 The first object to match against.
+     * @param unflatParams... The objects to match against.
      */
-    public void logFormatted(int level, String message,
-                             Object obj1)
-    {
-        commonLogFormatted(level, message, new Object[]
-        {
-            obj1
-        });
-    }
+    public void logFormatted(int level, String message, Object... unflatParams) {
+        if (!check(level)) return;
+        Object[] params = flattenArrays(unflatParams);
+        String msg = StringUtil.format(message, params);
+        msg = msg.replaceAll("[\r\n]+", " "); // log forging escape
 
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     */
-    public void logFormatted(int level, String message,
-                             Object obj1, Object obj2)
-    {
-        commonLogFormatted(level, message, new Object[]
-        {
-            obj1, obj2
-        });
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     * @param obj3 The third object to match against.
-     */
-    public void logFormatted(int level, String message,
-                             Object obj1, Object obj2,
-                             Object obj3)
-    {
-        commonLogFormatted(level, message, new Object[]
-        {
-            obj1, obj2, obj3
-        });
-    }
-
-    /**
-     * Logs a formated message. The message itself may contain %
-     * characters as place holders. This routine will attempt to match
-     * the placeholder by looking at the type of parameter passed to
-     * obj1.<p>
-     *
-     * If the parameter is an array, it traverses the array first and
-     * matches parameters sequentially against the array items.
-     * Otherwise the parameters after <code>message</code> are matched
-     * in order.<p>
-     *
-     * If the place holder matches against a number it is printed as a
-     * whole number. This can be overridden by specifying a precision
-     * in the form %n.m where n is the padding for the whole part and
-     * m is the number of decimal places to display. n can be excluded
-     * if desired. n and m may not be more than 9.<p>
-     *
-     * If the last parameter (after flattening) is a Throwable it is
-     * logged specially.
-     *
-     * @param level One of DEBUG, INFO, WARN, ERROR, FATAL
-     * @param message The message to log.
-     * @param obj1 The first object to match against.
-     * @param obj2 The second object to match against.
-     * @param obj3 The third object to match against.
-     * @param obj4 The forth object to match against.
-     */
-    public void logFormatted(int level, String message,
-                             Object obj1, Object obj2,
-                             Object obj3, Object obj4)
-    {
-        commonLogFormatted(level, message, new Object[]
-        {
-            obj1, obj2, obj3, obj4
-        });
-    }
-
-    private void commonLogFormatted(int level, String message,
-                                    Object [] unflatParams)
-    {
-
-
-        if (check(level))
-        {
-            Object[] params = flattenArrays(unflatParams);
-
-            if (params[ params.length - 1 ] instanceof Throwable)
-            {
-                log(level, StringUtil.format(message, params),
-                    ( Throwable ) params[ params.length - 1 ]);
-            }
-            else
-            {
-                log(level, StringUtil.format(message, params));
-            }
+        if (params.length > 0 && params[params.length-1] instanceof Throwable) {
+            log(level, msg, (Throwable)params[params.length-1]);
+        } else {
+            log(level, msg);
         }
     }
 
     /**
-     * Flattens any contained objects. Only tranverses one level deep.
+     * Flattens any contained objects. Only traverses one level deep.
      */
-    private Object [] flattenArrays(Object [] objects)
-    {
+    private Object[] flattenArrays(Object... unflatParams) {
         List<Object> results = new ArrayList<Object>();
-
-        for (int i = 0; i < objects.length; i++)
-        {
-            results.addAll(objectToObjectArray(objects[ i ]));
+        for (Object obj : unflatParams) {
+            flattenObject(results, obj);
         }
-        return results.toArray(new Object[ results.size() ]);
+        return results.toArray(new Object[results.size()]);
     }
 
-    private List<Object> objectToObjectArray(Object object)
-    {
-        List<Object> results = new ArrayList<Object>();
-
-        if (object instanceof byte [])
-        {
-            byte[] array = ( byte [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(Byte.valueOf(array[ j ]));
+    private void flattenObject(List<Object> results, Object object) {
+        if (object instanceof byte[]) {
+            for (byte b : (byte[])object) {
+                results.add(Byte.valueOf(b));
             }
-        }
-        if (object instanceof char [])
-        {
-            char[] array = ( char [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(Character.valueOf(array[ j ]));
+        } else if (object instanceof char[]) {
+            for (char c : (char[])object) {
+                results.add(Character.valueOf(c));
             }
-        }
-        else if (object instanceof short [])
-        {
-            short[] array = ( short [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(Short.valueOf(array[ j ]));
+        } else if (object instanceof short[]) {
+            for (short s : (short[])object) {
+                results.add(Short.valueOf(s));
             }
-        }
-        else if (object instanceof int [])
-        {
-            int[] array = ( int [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(Integer.valueOf(array[ j ]));
+        } else if (object instanceof int[]) {
+            for (int i : (int[])object) {
+                results.add(Integer.valueOf(i));
             }
-        }
-        else if (object instanceof long [])
-        {
-            long[] array = ( long [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(Long.valueOf(array[ j ]));
+        } else if (object instanceof long[]) {
+            for (long l : (long[])object) {
+                results.add(Long.valueOf(l));
             }
-        }
-        else if (object instanceof float [])
-        {
-            float[] array = ( float [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(new Float(array[ j ]));
+        } else if (object instanceof float[]) {
+            for (float f : (float[])object) {
+                results.add(Float.valueOf(f));
             }
-        }
-        else if (object instanceof double [])
-        {
-            double[] array = ( double [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(new Double(array[ j ]));
+        } else if (object instanceof double[]) {
+            for (double d : (double[])object) {
+                results.add(Double.valueOf(d));
             }
-        }
-        else if (object instanceof Object [])
-        {
-            Object[] array = ( Object [] ) object;
-
-            for (int j = 0; j < array.length; j++)
-            {
-                results.add(array[ j ]);
+        } else if (object instanceof Object[]) {
+            for (Object o : (Object[])object) {
+                results.add(o);
             }
-        }
-        else
-        {
+        } else {
             results.add(object);
         }
-        return results;
     }
 }

Modified: poi/trunk/src/java/org/apache/poi/util/StringUtil.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/java/org/apache/poi/util/StringUtil.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/java/org/apache/poi/util/StringUtil.java (original)
+++ poi/trunk/src/java/org/apache/poi/util/StringUtil.java Sun Jun 21 19:06:32 2015
@@ -22,6 +22,7 @@ import java.text.FieldPosition;
 import java.text.NumberFormat;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.Locale;
 import java.util.Map;
 
 import org.apache.poi.hssf.record.RecordInputStream;
@@ -310,7 +311,7 @@ public class StringUtil {
 		Number number,
 		String formatting,
 		StringBuffer outputTo) {
-		NumberFormat numberFormat = NumberFormat.getInstance();
+		NumberFormat numberFormat = NumberFormat.getInstance(Locale.US);
 		if ((0 < formatting.length())
 			&& Character.isDigit(formatting.charAt(0))) {
 			numberFormat.setMinimumIntegerDigits(

Modified: poi/trunk/src/testcases/org/apache/poi/util/AllPOIUtilTests.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/AllPOIUtilTests.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/AllPOIUtilTests.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/AllPOIUtilTests.java Sun Jun 21 19:06:32 2015
@@ -17,30 +17,29 @@
 
 package org.apache.poi.util;
 
-import junit.framework.Test;
-import junit.framework.TestSuite;
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
 
 /**
  * Test suite for all sub-packages of org.apache.poi.util<br/>
  */
+@RunWith(Suite.class)
+@Suite.SuiteClasses({
+      TestArrayUtil.class
+    , TestBinaryTree.class
+    , TestBitField.class
+    , TestByteField.class
+    , TestHexDump.class
+    , TestIntegerField.class
+    , TestIntList.class
+    , TestLittleEndian.class
+    , TestLongField.class
+    , TestPOILogFactory.class
+    , TestPOILogger.class
+    , TestShortField.class
+    , TestShortList.class
+    , TestStringUtil.class
+    , TestTempFile.class
+})
 public final class AllPOIUtilTests {
-    public static Test suite() {
-        TestSuite result = new TestSuite(AllPOIUtilTests.class.getName());
-        result.addTestSuite(TestArrayUtil.class);
-        result.addTestSuite(TestBinaryTree.class);
-        result.addTestSuite(TestBitField.class);
-        result.addTestSuite(TestByteField.class);
-        result.addTestSuite(TestHexDump.class);
-        result.addTestSuite(TestIntegerField.class);
-        result.addTestSuite(TestIntList.class);
-        result.addTestSuite(TestLittleEndian.class);
-        result.addTestSuite(TestLongField.class);
-        result.addTestSuite(TestPOILogFactory.class);
-        result.addTestSuite(TestPOILogger.class);
-        result.addTestSuite(TestShortField.class);
-        result.addTestSuite(TestShortList.class);
-        result.addTestSuite(TestStringUtil.class);
-        result.addTestSuite(TestTempFile.class);
-        return result;
-    }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java?rev=1686748&r1=1686747&r2=1686748&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java Sun Jun 21 19:06:32 2015
@@ -18,7 +18,13 @@
 
 package org.apache.poi.util;
 
-import junit.framework.TestCase;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Field;
+
+import org.junit.Test;
 
 /**
  * Tests the log class.
@@ -27,23 +33,62 @@ import junit.framework.TestCase;
  * @author Marc Johnson (mjohnson at apache dot org)
  * @author Nicola Ken Barozzi (nicolaken at apache.org)
  */
-public final class TestPOILogger extends TestCase {
-
+public final class TestPOILogger extends POILogger {
+    private String lastLog = "";
+    private Throwable lastEx = null;
+    
     /**
      * Test different types of log output.
      */
-    public void testVariousLogTypes() {
-        //NKB Testing only that logging classes use gives no exception
-        //    Since logging can be disabled, no checking of logging
-        //    output is done.
-
-        POILogger log = POILogFactory.getLogger( "foo" );
-
-        log.log( POILogger.WARN, "Test = ", Integer.valueOf( 1 ) );
-        log.logFormatted( POILogger.ERROR, "Test param 1 = %, param 2 = %", "2", Integer.valueOf( 3 ) );
-        log.logFormatted( POILogger.ERROR, "Test param 1 = %, param 2 = %", new int[]{4, 5} );
-        log.logFormatted( POILogger.ERROR,
-                "Test param 1 = %1.1, param 2 = %0.1", new double[]{4, 5.23} );
+    @Test
+    public void testVariousLogTypes() throws Exception {
+        Field f = POILogFactory.class.getDeclaredField("_loggerClassName");
+        f.setAccessible(true);
+        String oldLCN = (String)f.get(null);
+        try {
+            f.set(null, TestPOILogger.class.getName());
+            POILogger log = POILogFactory.getLogger( "foo" );
+            assertTrue(log instanceof TestPOILogger);
+            
+            TestPOILogger tlog = (TestPOILogger)log;
+    
+            log.log(POILogger.WARN, "Test = ", 1);
+            assertEquals("Test = 1", tlog.lastLog);
+            
+            log.logFormatted(POILogger.ERROR, "Test param 1 = %, param 2 = %d", "2", 3 );
+            assertEquals("Test param 1 = 2, param 2 = 3", tlog.lastLog);
+            
+            log.logFormatted(POILogger.ERROR, "Test param 1 = %d, param 2 = %", new int[]{4, 5} );
+            assertEquals("Test param 1 = 4, param 2 = 5", tlog.lastLog);
+            
+            log.logFormatted(POILogger.ERROR, "Test param 1 = %1.1, param 2 = %0.1", new double[]{4, 5.23} );
+            assertEquals("Test param 1 = 4, param 2 = 5.2", tlog.lastLog);
+
+            log.log(POILogger.ERROR, "Test ", 1,2,new Exception("bla"));
+            assertEquals("Test 12", tlog.lastLog);
+            assertNotNull(tlog.lastEx);
+            
+            log.log(POILogger.ERROR, "log\nforging", "\nevil","\nlog");
+            assertEquals("log forging evil log", tlog.lastLog);
+        } finally {
+            f.set(null, oldLCN);
+        }
+    }
+
+    public void initialize(String cat) {
+    }
+
+    public void log(int level, Object obj1) {
+        lastLog = (obj1 == null) ? "" : obj1.toString();
+        lastEx = null;
+    }
+
+    public void log(int level, Object obj1, Throwable exception) {
+        lastLog = (obj1 == null) ? "" : obj1.toString();
+        lastEx = exception;
+    }
 
+    public boolean check(int level) {
+        return true;
     }
 }



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