| /* ==================================================================== |
| 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.hdgf.chunks; |
| |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| |
| /** |
| * A chunk header from v11+ |
| */ |
| public final class ChunkHeaderV11 extends ChunkHeaderV6 { |
| /** |
| * Does the chunk have a separator? |
| */ |
| public boolean hasSeparator() { |
| short unknown2 = getUnknown2(); |
| short unknown3 = getUnknown3(); |
| |
| switch (getType()) { |
| case 0x1f: case 0xc9: |
| // For some reason, there are two types that don't have a |
| // separator despite the flags that indicate they do |
| return false; |
| |
| case 0x69: |
| return true; |
| |
| case 0xa9: case 0xaa: case 0xb4: case 0xb6: |
| if (unknown2 == 2 && unknown3 == 0x54) { |
| return true; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if ( |
| (unknown2 == 2 && unknown3 == 0x55) || |
| (unknown2 == 3 && unknown3 != 0x50) |
| ) { |
| return true; |
| } |
| |
| // If there's a trailer, there's a separator |
| return hasTrailer(); |
| } |
| |
| @Override |
| public Charset getChunkCharset() { |
| return StandardCharsets.UTF_16LE; |
| } |
| } |