--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.iapi.services.stream.PrintWriterGetHeader\r
+\r
+ Licensed to the Apache Software Foundation (ASF) under one or more\r
+ contributor license agreements. See the NOTICE file distributed with\r
+ this work for additional information regarding copyright ownership.\r
+ The ASF licenses this file to you under the Apache License, Version 2.0\r
+ (the "License"); you may not use this file except in compliance with\r
+ the License. You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.iapi.services.stream;\r
+\r
+/**\r
+ * Get a header to prepend to a line of output. \r
+ * A HeaderPrintWriter requires an object which implements\r
+ * this interface to construct headers for output lines.\r
+ *\r
+ * @see org.apache.derby.iapi.services.stream.HeaderPrintWriter\r
+ */\r
+\r
+public interface PrintWriterGetHeader\r
+{\r
+ /**\r
+ * getHeader\r
+ *\r
+ * @return The header for an output line. \r
+ *\r
+ * @see org.apache.derby.iapi.services.stream.HeaderPrintWriter\r
+ **/\r
+\r
+ public String getHeader();\r
+}\r
+ \r