123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122 |
- /* ====================================================================
- 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.hwpf.model;
-
- import java.util.LinkedList;
- import java.util.List;
-
- import org.apache.poi.ddf.DefaultEscherRecordFactory;
- import org.apache.poi.ddf.EscherBSERecord;
- import org.apache.poi.ddf.EscherBlipRecord;
- import org.apache.poi.ddf.EscherContainerRecord;
- import org.apache.poi.ddf.EscherRecord;
- import org.apache.poi.ddf.EscherRecordTypes;
- import org.apache.poi.hwpf.HWPFDocument;
- import org.apache.poi.hwpf.model.types.PICFAbstractType;
- import org.apache.poi.util.IOUtils;
- import org.apache.poi.util.Internal;
- import org.apache.poi.util.LittleEndian;
-
- @Internal
- public class PICFAndOfficeArtData {
-
- /**
- * Can contain either a {@link EscherBlipRecord} or a {@link EscherBSERecord}.
- * <p>
- * Should never contain more than 1 record.
- */
- private final List<EscherRecord> _blipRecords = new LinkedList<>();
-
- private final PICF _picf;
-
- /**
- * A {@link EscherRecordTypes#SP_CONTAINER}.
- */
- private final EscherContainerRecord _shape = new EscherContainerRecord();
-
- private byte[] _stPicName;
-
- public PICFAndOfficeArtData( byte[] dataStream, int startOffset )
- {
- int offset = startOffset;
-
- _picf = new PICF( dataStream, offset );
- offset += PICFAbstractType.getSize();
-
- if ( _picf.getMm() == 0x0066 )
- {
- short _cchPicName = LittleEndian.getUByte(dataStream, offset);
- offset += 1;
-
- _stPicName = IOUtils.safelyClone(dataStream, offset, _cchPicName, HWPFDocument.getMaxRecordLength());
- offset += _cchPicName;
- }
-
- final DefaultEscherRecordFactory escherRecordFactory = new DefaultEscherRecordFactory();
- int recordSize = _shape.fillFields( dataStream, offset,
- escherRecordFactory );
- offset += recordSize;
-
- while ( ( offset - startOffset ) < _picf.getLcb() )
- {
- EscherRecord nextRecord = escherRecordFactory.createRecord(
- dataStream, offset );
- if ( nextRecord.getRecordId() != (short) 0xF007
- && ( nextRecord.getRecordId() < (short) 0xF018 || nextRecord
- .getRecordId() > (short) 0xF117 ) )
- break;
-
- int blipRecordSize = nextRecord.fillFields( dataStream, offset,
- escherRecordFactory );
- offset += blipRecordSize;
-
- _blipRecords.add( nextRecord );
-
- // [MS-ODRAW] allows for multiple records in a OfficeArtInlineSpContainer, which is what we're parsing here.
- // However, in the context of a HWPF document, there should be only 1.
- assert _blipRecords.size() == 1;
- }
- }
-
- /**
- * Contains {@link EscherBlipRecord}s and {@link EscherBSERecord}s.
- *
- * @return List of BLIP records. Never {@code null}.
- */
- public List<EscherRecord> getBlipRecords()
- {
- return _blipRecords;
- }
-
- public PICF getPicf()
- {
- return _picf;
- }
-
- /**
- * @return The {@link EscherRecordTypes#SP_CONTAINER}.
- */
- public EscherContainerRecord getShape()
- {
- return _shape;
- }
-
- public byte[] getStPicName()
- {
- return _stPicName;
- }
- }
|