/* ====================================================================   Copyright 2002-2004   Apache Software Foundation   Licensed under the Apache License, Version 2.0 (the "License");   you may not use this file except in compliance with the License.   You may obtain a copy of the License at       http://www.apache.org/licenses/LICENSE-2.0   Unless required by applicable law or agreed to in writing, software   distributed under the License is distributed on an "AS IS" BASIS,   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   See the License for the specific language governing permissions and   limitations under the License.==================================================================== */package org.apache.poi.hssf.eventmodel;import org.apache.poi.hssf.record.Record;/** * An ERFListener is registered with the EventRecordFactory. * An ERFListener listens for Records coming from the stream * via the EventRecordFactory *  * @see EventRecordFactory * @author Andrew C. Oliver acoliver@apache.org */public interface ERFListener{    /**     * Process a Record.  This method is called by the      * EventRecordFactory when a record is returned.     * @return boolean specifying whether the effort was a success.     */    public boolean processRecord(Record rec);}