1 2 /* ==================================================================== 3 Copyright 2002-2004 Apache Software Foundation 4 5 Licensed under the Apache License, Version 2.0 (the "License"); 6 you may not use this file except in compliance with the License. 7 You may obtain a copy of the License at 8 9 http://www.apache.org/licenses/LICENSE-2.0 10 11 Unless required by applicable law or agreed to in writing, software 12 distributed under the License is distributed on an "AS IS" BASIS, 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 See the License for the specific language governing permissions and 15 limitations under the License. 16 ==================================================================== */ 17 18 19 package org.apache.poi.poifs.storage; 20 21 import java.io.IOException; 22 import java.io.OutputStream; 23 24 /** 25 * An interface for persisting block storage of POIFS components. 26 * 27 * @author Marc Johnson (mjohnson at apache dot org) 28 */ 29 30 public interface BlockWritable 31 { 32 33 /** 34 * Write the storage to an OutputStream 35 * 36 * @param stream the OutputStream to which the stored data should 37 * be written 38 * 39 * @exception IOException on problems writing to the specified 40 * stream 41 */ 42 43 public void writeBlocks(final OutputStream stream) 44 throws IOException; 45 } // end public interface BlockWritable 46 47