Remove extra blank lines

src/main/java/org/apache/commons/logging/LogFactory.java

@@ -70,7 +70,6 @@ public abstract class LogFactory {
     // library and JCL have the necessary permissions even when the untrusted
     // caller does not. That's a pretty hard route to exploit though.
 
-
     /**
      * The name ({@code priority}) of the key in the configuration file used to
      * specify the priority of that particular configuration file. The associated value
@@ -204,14 +203,12 @@ public abstract class LogFactory {
      */
     private static final int MAX_BROKEN_SERVICES = 3;
 
-
     /**
      * The previously constructed {@code LogFactory} instances, keyed by
      * the {@code ClassLoader} with which it was created.
      */
     protected static Hashtable<ClassLoader, LogFactory> factories;
 
-
     /**
      * Previously constructed {@code LogFactory} instance as in the
      * {@code factories} map, but for the case where
@@ -531,7 +528,6 @@ public abstract class LogFactory {
         return classLoader;
     }
 
-
     /**
      * Check cached factories (keyed by contextClassLoader)
      *
@@ -689,7 +685,6 @@ public abstract class LogFactory {
         return props;
     }
 
-
     /**
      * Returns the current context class loader.
      * <p>
@@ -755,7 +750,6 @@ public abstract class LogFactory {
         // Identify the class loader we will be using
         final ClassLoader contextClassLoader = getContextClassLoaderInternal();
 
-
         // This is an odd enough situation to report about. This
         // output will be a nuisance on JDK1.1, as the system
         // class loader is null in that environment.
@@ -1076,7 +1070,6 @@ public abstract class LogFactory {
         });
     }
 
-
     /**
      * Read the specified system property, using an AccessController so that
      * the property can be read if JCL has been granted the appropriate

src/main/java/org/apache/commons/logging/impl/Jdk13LumberjackLogger.java

@@ -41,7 +41,6 @@ public class Jdk13LumberjackLogger implements Log, Serializable {
     /** Serializable version identifier. */
     private static final long serialVersionUID = -8649807923527610591L;
 
-
     /**
      * This member variable simply ensures that any attempt to initialize
      * this class in a pre-1.4 JVM will result in an ExceptionInInitializerError.
@@ -69,7 +68,6 @@ public class Jdk13LumberjackLogger implements Log, Serializable {
     /** Class and method found flag. */
     private boolean classAndMethodFound;
 
-
     /**
      * Constructs a named instance of this Logger.
      *
@@ -80,7 +78,6 @@ public class Jdk13LumberjackLogger implements Log, Serializable {
         logger = getLogger();
     }
 
-
     /**
      * Logs a message with {@code java.util.logging.Level.FINE}.
      *

src/main/java/org/apache/commons/logging/impl/Jdk14Logger.java

@@ -41,7 +41,6 @@ public class Jdk14Logger implements Log, Serializable {
      */
     protected static final Level dummyLevel = Level.FINE;
 
-
     /**
      * The underlying Logger implementation we are using.
      */

src/main/java/org/apache/commons/logging/impl/LogFactoryImpl.java

@@ -80,14 +80,12 @@ public class LogFactoryImpl extends LogFactory {
      */
     private static final String[] EMPTY_STRING_ARRAY = {};
 
-
     /**
      * The name ({@code org.apache.commons.logging.Log}) of the system
      * property identifying our {@link Log} implementation class.
      */
     public static final String LOG_PROPERTY = "org.apache.commons.logging.Log";
 
-
     /**
      * The deprecated system property used for backwards compatibility with
      * old versions of JCL.
@@ -165,7 +163,6 @@ public class LogFactoryImpl extends LogFactory {
         return LogFactory.getClassLoader(clazz);
     }
 
-
     /**
      * Gets the context ClassLoader.
      * This method is a workaround for a java 1.2 compiler bug.
@@ -273,7 +270,6 @@ public class LogFactoryImpl extends LogFactory {
      */
     protected Class[] logConstructorSignature = { String.class };
 
-
     /**
      * The one-argument {@code setLogFactory} method of the selected
      * {@link org.apache.commons.logging.Log} method, if it exists.
@@ -654,7 +650,6 @@ public class LogFactoryImpl extends LogFactory {
         return attributes.get(name);
     }
 
-
     /**
      * Return an array containing the names of all currently defined
      * configuration attributes.  If there are no such attributes, a zero
@@ -753,7 +748,6 @@ public class LogFactoryImpl extends LogFactory {
         return Boolean.parseBoolean(val);
     }
 
-
     /**
      * Attempt to find an attribute (see method setAttribute) or a
      * system property with the provided name and return its value.

src/main/java/org/apache/commons/logging/impl/LogKitLogger.java

@@ -40,14 +40,12 @@ public class LogKitLogger implements Log, Serializable {
     /** Serializable version identifier. */
     private static final long serialVersionUID = 3768538055836059519L;
 
-
     /** Logging goes to this {@code LogKit} logger */
     protected transient volatile Logger logger;
 
     /** Name of this logger */
     protected String name;
 
-
     /**
      * Constructs {@code LogKitLogger} which wraps the {@code LogKit}
      * logger with given name.
@@ -59,7 +57,6 @@ public class LogKitLogger implements Log, Serializable {
         this.logger = getLogger();
     }
 
-
     /**
      * Logs a message with {@code org.apache.log.Priority.DEBUG}.
      *
@@ -73,7 +70,6 @@ public class LogKitLogger implements Log, Serializable {
         }
     }
 
-
     /**
      * Logs a message with {@code org.apache.log.Priority.DEBUG}.
      *

src/main/java/org/apache/commons/logging/impl/SimpleLog.java

@@ -74,7 +74,6 @@ public class SimpleLog implements Log, Serializable {
     /** Serializable version identifier. */
     private static final long serialVersionUID = 136942970684951178L;
 
-
     /** All system properties used by {@code SimpleLog} start with this */
     static protected final String systemPrefix = "org.apache.commons.logging.simplelog.";
 
@@ -110,7 +109,6 @@ public class SimpleLog implements Log, Serializable {
      */
     static protected DateFormat dateFormatter;
 
-
     /** "Trace" level logging. */
     public static final int LOG_LEVEL_TRACE  = 1;
     /** "Debug" level logging. */
@@ -130,7 +128,6 @@ public class SimpleLog implements Log, Serializable {
     /** Enable no logging levels */
     public static final int LOG_LEVEL_OFF    = LOG_LEVEL_FATAL + 1;
 
-
     // Initialize class attributes.
     // Load properties file, if found.
     // Override with system properties.
@@ -242,7 +239,6 @@ public class SimpleLog implements Log, Serializable {
         });
     }
 
-
     private static String getStringProperty(final String name) {
         String prop = null;
         try {
@@ -259,11 +255,9 @@ public class SimpleLog implements Log, Serializable {
     /** The name of this simple log instance */
     protected volatile String logName;
 
-
     /** The current log level */
     protected volatile int currentLogLevel;
 
-
     /** The short name of this simple log instance */
     private volatile String shortLogName;
 
@@ -312,7 +306,6 @@ public class SimpleLog implements Log, Serializable {
         }
     }
 
-
     /**
      * Logs a message with
      * {@code org.apache.commons.logging.impl.SimpleLog.LOG_LEVEL_DEBUG}.
@@ -369,7 +362,6 @@ public class SimpleLog implements Log, Serializable {
         }
     }
 
-
     /**
      * Log a message with {@code org.apache.commons.logging.impl.SimpleLog.LOG_LEVEL_FATAL}.
      *

src/main/java/org/apache/commons/logging/impl/Slf4jLogFactory.java

@@ -92,7 +92,6 @@ public final class Slf4jLogFactory extends LogFactory {
             log(INFO_INT, message, t);
         }
 
-
         @Override
         public boolean isDebugEnabled() {
             return logger.isDebugEnabled(MARKER);