/* ====================================================================
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;
/**
* 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 Charset.forName("UTF-16LE");
}
}