130 lines
4.8 KiB
Java
130 lines
4.8 KiB
Java
/* ====================================================================
|
|
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 com.moparisthebest.poi.hssf.usermodel;
|
|
|
|
import java.io.IOException;
|
|
import java.util.Iterator;
|
|
|
|
import com.moparisthebest.poi.ddf.*;
|
|
import com.moparisthebest.poi.hssf.record.*;
|
|
import com.moparisthebest.poi.poifs.filesystem.DirectoryEntry;
|
|
import com.moparisthebest.poi.poifs.filesystem.Entry;
|
|
import com.moparisthebest.poi.ss.usermodel.ObjectData;
|
|
import com.moparisthebest.poi.util.HexDump;
|
|
|
|
/**
|
|
* Represents binary object (i.e. OLE) data stored in the file. Eg. A GIF, JPEG etc...
|
|
* <p/>
|
|
* Right now, 13, july, 2012 can not be created from scratch
|
|
*/
|
|
public final class HSSFObjectData extends HSSFPicture implements ObjectData {
|
|
/**
|
|
* Reference to the filesystem root, required for retrieving the object data.
|
|
*/
|
|
private final DirectoryEntry _root;
|
|
|
|
public HSSFObjectData(EscherContainerRecord spContainer, ObjRecord objRecord, DirectoryEntry _root) {
|
|
super(spContainer, objRecord);
|
|
this._root = _root;
|
|
}
|
|
|
|
@Override
|
|
public String getOLE2ClassName() {
|
|
return findObjectRecord().getOLEClassName();
|
|
}
|
|
|
|
@Override
|
|
public DirectoryEntry getDirectory() throws IOException {
|
|
EmbeddedObjectRefSubRecord subRecord = findObjectRecord();
|
|
|
|
int streamId = subRecord.getStreamId().intValue();
|
|
String streamName = "MBD" + HexDump.toHex(streamId);
|
|
|
|
Entry entry = _root.getEntry(streamName);
|
|
if (entry instanceof DirectoryEntry) {
|
|
return (DirectoryEntry) entry;
|
|
}
|
|
throw new IOException("Stream " + streamName + " was not an OLE2 directory");
|
|
}
|
|
|
|
@Override
|
|
public byte[] getObjectData() {
|
|
return findObjectRecord().getObjectData();
|
|
}
|
|
|
|
@Override
|
|
public boolean hasDirectoryEntry() {
|
|
EmbeddedObjectRefSubRecord subRecord = findObjectRecord();
|
|
|
|
// 'stream id' field tells you
|
|
Integer streamId = subRecord.getStreamId();
|
|
return streamId != null && streamId.intValue() != 0;
|
|
}
|
|
|
|
/**
|
|
* Finds the EmbeddedObjectRefSubRecord, or throws an
|
|
* Exception if there wasn't one
|
|
*/
|
|
protected EmbeddedObjectRefSubRecord findObjectRecord() {
|
|
Iterator<SubRecord> subRecordIter = getObjRecord().getSubRecords().iterator();
|
|
|
|
while (subRecordIter.hasNext()) {
|
|
Object subRecord = subRecordIter.next();
|
|
if (subRecord instanceof EmbeddedObjectRefSubRecord) {
|
|
return (EmbeddedObjectRefSubRecord) subRecord;
|
|
}
|
|
}
|
|
|
|
throw new IllegalStateException("Object data does not contain a reference to an embedded object OLE2 directory");
|
|
}
|
|
|
|
@Override
|
|
protected EscherContainerRecord createSpContainer() {
|
|
throw new IllegalStateException("HSSFObjectData cannot be created from scratch");
|
|
}
|
|
|
|
@Override
|
|
protected ObjRecord createObjRecord() {
|
|
throw new IllegalStateException("HSSFObjectData cannot be created from scratch");
|
|
}
|
|
|
|
@Override
|
|
protected void afterRemove(HSSFPatriarch patriarch) {
|
|
throw new IllegalStateException("HSSFObjectData cannot be created from scratch");
|
|
}
|
|
|
|
@Override
|
|
void afterInsert(HSSFPatriarch patriarch) {
|
|
EscherAggregate agg = patriarch.getBoundAggregate();
|
|
agg.associateShapeToObjRecord(getEscherContainer().getChildById(EscherClientDataRecord.RECORD_ID), getObjRecord());
|
|
EscherBSERecord bse =
|
|
patriarch.getSheet().getWorkbook().getWorkbook().getBSERecord(getPictureIndex());
|
|
bse.setRef(bse.getRef() + 1);
|
|
}
|
|
|
|
@Override
|
|
protected HSSFShape cloneShape() {
|
|
EscherContainerRecord spContainer = new EscherContainerRecord();
|
|
byte[] inSp = getEscherContainer().serialize();
|
|
spContainer.fillFields(inSp, 0, new DefaultEscherRecordFactory());
|
|
ObjRecord obj = (ObjRecord) getObjRecord().cloneViaReserialise();
|
|
return new HSSFObjectData(spContainer, obj, _root);
|
|
}
|
|
}
|