refactoring

Change-Id: I631ff6bfc2884287a8e629196b3810086bbd21cf
diff --git a/src/main/java/de/ids_mannheim/korap/exceptions/KustvaktException.java b/src/main/java/de/ids_mannheim/korap/exceptions/KustvaktException.java
index 68a3018..8e4148c 100644
--- a/src/main/java/de/ids_mannheim/korap/exceptions/KustvaktException.java
+++ b/src/main/java/de/ids_mannheim/korap/exceptions/KustvaktException.java
@@ -67,8 +67,8 @@
     }
 
 
-    @Override
-    public String toString () {
+
+    public String string () {
         return "Excpt{" + "status=" + getStatusCode() + ", message="
                 + getMessage() + ", args=" + getEntity() + ", userid=" + userid
                 + '}';
diff --git a/src/main/java/de/ids_mannheim/korap/exceptions/WrappedException.java b/src/main/java/de/ids_mannheim/korap/exceptions/WrappedException.java
index 60c0715..3e067a7 100644
--- a/src/main/java/de/ids_mannheim/korap/exceptions/WrappedException.java
+++ b/src/main/java/de/ids_mannheim/korap/exceptions/WrappedException.java
@@ -30,7 +30,7 @@
         this(e.getUserid(), e.getStatusCode(), e.getMessage(), e.getEntity());
         AuditRecord record = AuditRecord.serviceRecord(e.getUserid(), status,
                 args);
-        record.setField_1(e.toString());
+        record.setField_1(e.string());
         this.records.addAll(e.getRecords());
         this.records.add(record);
     }
diff --git a/src/main/java/de/ids_mannheim/korap/exceptions/dbException.java b/src/main/java/de/ids_mannheim/korap/exceptions/dbException.java
index f6fdf23..076797b 100644
--- a/src/main/java/de/ids_mannheim/korap/exceptions/dbException.java
+++ b/src/main/java/de/ids_mannheim/korap/exceptions/dbException.java
@@ -31,14 +31,14 @@
     public dbException (KustvaktException e, Integer status, String ... args) {
         this(e.getUserid(), e.getStatusCode(), e.getMessage(), e.getEntity());
         AuditRecord record = AuditRecord.dbRecord(e.getUserid(), status, args);
-        record.setField_1(e.toString());
+        record.setField_1(e.string());
         this.records.addAll(e.getRecords());
         this.records.add(record);
     }
 
 
     @Override
-    public String toString () {
+    public String string () {
         return "DBExcpt{" + "status=" + getStatusCode() + ", message="
                 + getMessage() + ", args=" + getEntity() + ", userid="
                 + this.getUserid() + '}';