| /* ==================================================================== |
| 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.Arrays; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.util.LittleEndian; |
| import org.apache.poi.util.LittleEndianConsts; |
| |
| import static java.lang.Integer.toHexString; |
| import static org.apache.logging.log4j.util.Unbox.box; |
| |
| public class NilPICFAndBinData |
| { |
| |
| private static final Logger LOGGER = LogManager.getLogger(NilPICFAndBinData.class); |
| |
| private byte[] _binData; |
| |
| public NilPICFAndBinData( byte[] data, int offset ) |
| { |
| fillFields( data, offset ); |
| } |
| |
| public void fillFields( byte[] data, int offset ) |
| { |
| int lcb = LittleEndian.getInt( data, offset ); |
| int cbHeader = LittleEndian.getUShort( data, offset |
| + LittleEndianConsts.INT_SIZE ); |
| |
| if ( cbHeader != 0x44 ) |
| { |
| LOGGER.atWarn().log("NilPICFAndBinData at offset {} cbHeader 0x{} != 0x44", box(offset), toHexString(cbHeader)); |
| } |
| |
| // skip the 62 ignored bytes |
| int binaryLength = lcb - cbHeader; |
| this._binData = Arrays.copyOfRange(data, offset + cbHeader, |
| offset + cbHeader + binaryLength); |
| } |
| |
| public byte[] getBinData() |
| { |
| return _binData; |
| } |
| |
| public byte[] serialize() |
| { |
| byte[] bs = new byte[_binData.length + 0x44]; |
| LittleEndian.putInt( bs, 0, _binData.length + 0x44 ); |
| System.arraycopy( _binData, 0, bs, 0x44, _binData.length ); |
| return bs; |
| } |
| |
| public int serialize( byte[] data, int offset ) |
| { |
| LittleEndian.putInt( data, offset, _binData.length + 0x44 ); |
| System.arraycopy( _binData, 0, data, offset + 0x44, _binData.length ); |
| return 0x44 + _binData.length; |
| } |
| } |