working on backend-side translations

contact/src/main/java/de/srsoftware/umbrella/contact/SqliteDb.java

@@ -45,7 +45,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 		try {
 			db.prepareStatement(sql).execute();
 		} catch (SQLException e) {
-			throw databaseException(ERROR_FAILED_CREATE_TABLE,TABLE_CONTACTS);
+			throw databaseException(ERROR_FAILED_CREATE_TABLE,TABLE_CONTACTS).causedBy(e);
 		}
 	}
 
@@ -55,7 +55,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 		try {
 			db.prepareStatement(sql).execute();
 		} catch (SQLException e) {
-			throw databaseException(ERROR_FAILED_CREATE_TABLE,TABLE_CONTACTS_USERS);
+			throw databaseException(ERROR_FAILED_CREATE_TABLE,TABLE_CONTACTS_USERS).causedBy(e);
 		}
 	}
 
@@ -67,7 +67,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 			Query.delete().from(TABLE_CONTACTS_USERS).where(CONTACT_ID,equal(contact.id())).execute(db);
 			db.setAutoCommit(true);
 		} catch (SQLException e){
-			throw databaseException(FAILED_TO_DROP_ENTITY,"contact",contact.id());
+			throw databaseException(FAILED_TO_DROP_ENTITY,"contact",contact.id()).causedBy(e);
 		}
 	}
 
@@ -83,7 +83,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 			rs.close();
 			return contacts;
 		} catch (SQLException e) {
-			throw databaseException("Failed to load contacts of user {0}",userId);
+			throw databaseException(FAILED_TO_LOAD_CONTACTS_OF_USER,userId).causedBy(e);
 		}
 	}
 
@@ -97,7 +97,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 			if (contact != null) return contact;
 			throw notFound(FAILED_TO_LOAD_ENTITY_BY_ID, "contact", contactId);
 		} catch (SQLException e) {
-			throw databaseException(FAILED_TO_LOAD_CONTACTS_OF_USER,userId);
+			throw databaseException(FAILED_TO_LOAD_CONTACTS_OF_USER,userId).causedBy(e);
 		}
 	}
 
@@ -110,14 +110,14 @@ public class SqliteDb extends BaseDb implements ContactDb{
 				if (rs.next()) id = rs.getLong(1);
 				rs.close();
 				if (id != null) return new Contact(id,contact.vcard());
-				throw databaseException("Failed to store new vcard");
+				throw databaseException(FAILED_TO_STORE_ENTITY,"vcard");
 			} catch (SQLException e) {
-				throw databaseException("Failed to store new vcard",e);
+				throw databaseException(FAILED_TO_STORE_ENTITY,"vcard").causedBy(e);
 			}
 		} else try { // update
 			Query.update(TABLE_CONTACTS).set(DATA).where(ID,equal(contact.id())).prepare(db).apply(contact.vcard()).execute();
 		} catch (SQLException e) {
-			throw databaseException("Failed to update vcard {0}",contact.id());
+			throw databaseException(FAILED_TO_UPDATE_ENTITY,"vcard").causedBy(e);
 		}
 		return contact;
 	}
@@ -127,7 +127,7 @@ public class SqliteDb extends BaseDb implements ContactDb{
 		try {
 			Query.replaceInto(TABLE_CONTACTS_USERS,USER_ID,CONTACT_ID,ASSIGNED).values(userId,contact.id(),false).execute(db).close();
 		} catch (SQLException e) {
-			throw databaseException("Failed to assign contact {0} to user {1]",contact.id(),userId);
+			throw databaseException(FAILED_TO_ASSIGN_CONTACT_TO_USER,contact.id(),userId).causedBy(e);
 		}
 	}
 }