| /* ==================================================================== |
| 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.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.apache.poi.hwpf.model.types.DOPAbstractType; |
| import org.apache.poi.util.IOUtils; |
| import org.apache.poi.util.Internal; |
| |
| @Internal |
| public final class DocumentProperties extends DOPAbstractType |
| { |
| |
| //arbitrarily selected; may need to increase |
| private static final int MAX_RECORD_LENGTH = 100_000; |
| |
| private byte[] _preserved; |
| |
| /** |
| * @deprecated Use {@link #DocumentProperties(byte[],int,int)} instead |
| */ |
| public DocumentProperties( byte[] tableStream, int offset ) |
| { |
| this( tableStream, offset, DOPAbstractType.getSize() ); |
| } |
| |
| public DocumentProperties( byte[] tableStream, int offset, int length ) |
| { |
| super.fillFields( tableStream, offset ); |
| |
| final int supportedSize = DOPAbstractType.getSize(); |
| if ( length != supportedSize ) |
| { |
| this._preserved = IOUtils.safelyClone( tableStream, offset + supportedSize, length - supportedSize, MAX_RECORD_LENGTH ); |
| } |
| else |
| { |
| _preserved = new byte[0]; |
| } |
| } |
| |
| @Override |
| public void serialize( byte[] data, int offset ) |
| { |
| super.serialize( data, offset ); |
| } |
| |
| public void writeTo( ByteArrayOutputStream tableStream ) throws IOException |
| { |
| byte[] supported = new byte[getSize()]; |
| serialize( supported, 0 ); |
| |
| tableStream.write( supported ); |
| tableStream.write( _preserved ); |
| } |
| } |