take advantage of default params now that I'm on 2.8

src/main/scala/shorty/db/DB.scala

@@ -4,6 +4,8 @@ import java.io._
 
 import com.sleepycat.je._
 
+import shorty.Logs
+
 /** Access to a Berkeley DB. 
   * This is a low-level key/value interface.
   * Use the DB object to create instances. 
@@ -64,18 +66,12 @@ class DB(env:Environment,name:String) extends Logs {
 
 /** Factory for DB instances */
 object DB extends Logs {
-  /**
-    * Create a new DB instance with the default name, using the given dir.
-    * @param dir the directory where you want the db files created
-    */
-  def apply(dir:File):DB = apply(dir,"shorty")
-
   /**
     * Create a new DB instance, using the given dir.
     * @param dir the directory where you want the db files created
     * @param name the name of the db, if you care
     */
-  def apply(dir:File, name:String) = {
+  def apply(dir:File, name:String = "shorty") = {
     debug("Creating new DB " + name + " in " + dir)
     if (!dir.exists()) {
       info(dir.getAbsolutePath + " didnt exist, making it...")

src/main/scala/shorty/db/URIHasher.scala

@@ -1,6 +1,7 @@
 package shorty.db
 
 import scala.actors._
+import shorty.Logs
 
 /**
   * This hashes URIs to short character strings that we store
@@ -72,7 +73,6 @@ class URIHasher(database:DB, hasher: (String) => String) extends Actor with Logs
   * Factory for creating URIHasher instances 
   */
 object URIHasher {
-  def apply(database:DB) = new URIHasher(database,new MessageDigestHasher("sha"))
-  def apply(database:DB,hasher:(String) => String) = new URIHasher(database,hasher)
+  def apply(database:DB,hasher:(String) => String = new MessageDigestHasher("sha")) = new URIHasher(database,hasher)
 }