01: /* ====================================================================
02: Licensed to the Apache Software Foundation (ASF) under one or more
03: contributor license agreements. See the NOTICE file distributed with
04: this work for additional information regarding copyright ownership.
05: The ASF licenses this file to You under the Apache License, Version 2.0
06: (the "License"); you may not use this file except in compliance with
07: the License. You may obtain a copy of the License at
08:
09: 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: package org.apache.poi.poifs.storage;
19:
20: import java.io.IOException;
21: import java.io.OutputStream;
22:
23: /**
24: * An interface for persisting block storage of POIFS components.
25: *
26: * @author Marc Johnson (mjohnson at apache dot org)
27: */
28:
29: public interface BlockWritable {
30:
31: /**
32: * Write the storage to an OutputStream
33: *
34: * @param stream the OutputStream to which the stored data should
35: * be written
36: *
37: * @exception IOException on problems writing to the specified
38: * stream
39: */
40:
41: public void writeBlocks(final OutputStream stream)
42: throws IOException;
43: } // end public interface BlockWritable
|