| /* ==================================================================== |
| 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.hslf.usermodel; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.function.Supplier; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.common.usermodel.GenericRecord; |
| import org.apache.poi.hslf.record.ExOleObjStg; |
| import org.apache.poi.sl.usermodel.ObjectData; |
| |
| /** |
| * A class that represents object data embedded in a slide show. |
| */ |
| public class HSLFObjectData implements ObjectData, GenericRecord { |
| private static final Logger LOG = LogManager.getLogger(HSLFObjectData.class); |
| |
| /** |
| * The record that contains the object data. |
| */ |
| private ExOleObjStg storage; |
| |
| /** |
| * Creates the object data wrapping the record that contains the object data. |
| * |
| * @param storage the record that contains the object data. |
| */ |
| public HSLFObjectData(ExOleObjStg storage) { |
| this.storage = storage; |
| } |
| |
| @Override |
| public InputStream getInputStream() { |
| return storage.getData(); |
| } |
| |
| @Override |
| public OutputStream getOutputStream() throws IOException { |
| return new ByteArrayOutputStream(100000) { |
| public void close() throws IOException { |
| setData(getBytes()); |
| } |
| }; |
| } |
| |
| /** |
| * Sets the embedded data. |
| * |
| * @param data the embedded data. |
| */ |
| public void setData(byte[] data) throws IOException { |
| storage.setData(data); |
| } |
| |
| /** |
| * Return the record that contains the object data. |
| * |
| * @return the record that contains the object data. |
| */ |
| public ExOleObjStg getExOleObjStg() { |
| return storage; |
| } |
| |
| |
| @Override |
| public String getOLE2ClassName() { |
| return null; |
| } |
| |
| @Override |
| public String getFileName() { |
| return null; |
| } |
| |
| @Override |
| public Map<String, Supplier<?>> getGenericProperties() { |
| return null; |
| } |
| |
| @Override |
| public List<? extends GenericRecord> getGenericChildren() { |
| return Collections.singletonList(getExOleObjStg()); |
| } |
| } |