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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You 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.ss.usermodel;
-
- import java.io.IOException;
-
- import org.apache.poi.poifs.filesystem.DirectoryEntry;
-
- /**
- * Common interface for OLE shapes, i.e. shapes linked to embedded documents
- *
- * @since POI 3.16-beta2
- */
- public interface ObjectData extends SimpleShape {
- /**
- * @return the data portion, for an ObjectData that doesn't have an associated POIFS Directory Entry
- */
- byte[] getObjectData() throws IOException;
-
- /**
- * @return does this ObjectData have an associated POIFS Directory Entry?
- * (Not all do, those that don't have a data portion)
- */
- boolean hasDirectoryEntry();
-
- /**
- * Gets the object data. Only call for ones that have
- * data though. See {@link #hasDirectoryEntry()}.
- * The caller has to close the corresponding POIFSFileSystem
- *
- * @return the object data as an OLE2 directory.
- * @throws IOException if there was an error reading the data.
- */
- DirectoryEntry getDirectory() throws IOException;
-
- /**
- * @return the OLE2 Class Name of the object
- */
- String getOLE2ClassName();
-
- /**
- * @return a filename suggestion - inspecting/interpreting the Directory object probably gives a better result
- */
- String getFileName();
-
- /**
- * @return the preview picture
- */
- PictureData getPictureData();
-
- default String getContentType() {
- return "binary/octet-stream";
- }
- }
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