org.apache.poi.hpsf.TypedPropertyValue Maven / Gradle / Ivy
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The Apache Commons Codec package contains simple encoder and decoders for
various formats such as Base64 and Hexadecimal. In addition to these
widely used encoders and decoders, the codec package also maintains a
collection of phonetic encoding utilities.
/*
* ====================================================================
* 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.hpsf;
import java.math.BigInteger;
import org.apache.poi.util.Internal;
import org.apache.poi.util.LittleEndianByteArrayInputStream;
import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
@Internal
public class TypedPropertyValue {
private static final POILogger LOG = POILogFactory.getLogger( TypedPropertyValue.class );
private int _type;
private Object _value;
public TypedPropertyValue( int type, Object value ) {
_type = type;
_value = value;
}
public Object getValue() {
return _value;
}
public void read( LittleEndianByteArrayInputStream lei ) {
_type = lei.readShort();
short padding = lei.readShort();
if ( padding != 0 ) {
LOG.log( POILogger.WARN, "TypedPropertyValue padding at offset "
+ lei.getReadIndex() + " MUST be 0, but it's value is " + padding );
}
readValue( lei );
}
public void readValue( LittleEndianByteArrayInputStream lei ) {
switch ( _type ) {
case Variant.VT_EMPTY:
case Variant.VT_NULL:
_value = null;
break;
case Variant.VT_I1:
_value = lei.readByte();
break;
case Variant.VT_UI1:
_value = lei.readUByte();
break;
case Variant.VT_I2:
_value = lei.readShort();
break;
case Variant.VT_UI2:
_value = lei.readUShort();
break;
case Variant.VT_INT:
case Variant.VT_I4:
_value = lei.readInt();
break;
case Variant.VT_UINT:
case Variant.VT_UI4:
case Variant.VT_ERROR:
_value = lei.readUInt();
break;
case Variant.VT_I8:
_value = lei.readLong();
break;
case Variant.VT_UI8: {
byte[] biBytesLE = new byte[LittleEndianConsts.LONG_SIZE];
lei.readFully(biBytesLE);
// first byte needs to be 0 for unsigned BigInteger
byte[] biBytesBE = new byte[9];
int i=biBytesLE.length;
for (byte b : biBytesLE) {
if (i<=8) {
biBytesBE[i] = b;
}
i--;
}
_value = new BigInteger(biBytesBE);
break;
}
case Variant.VT_R4:
_value = Float.intBitsToFloat(lei.readInt());
break;
case Variant.VT_R8:
_value = lei.readDouble();
break;
case Variant.VT_CY:
Currency cur = new Currency();
cur.read(lei);
_value = cur;
break;
case Variant.VT_DATE:
Date date = new Date();
date.read(lei);
_value = date;
break;
case Variant.VT_BSTR:
case Variant.VT_LPSTR:
CodePageString cps = new CodePageString();
cps.read(lei);
_value = cps;
break;
case Variant.VT_BOOL:
VariantBool vb = new VariantBool();
vb.read(lei);
_value = vb;
break;
case Variant.VT_DECIMAL:
Decimal dec = new Decimal();
dec.read(lei);
_value = dec;
break;
case Variant.VT_LPWSTR:
UnicodeString us = new UnicodeString();
us.read(lei);
_value = us;
break;
case Variant.VT_FILETIME:
Filetime ft = new Filetime();
ft.read(lei);
_value = ft;
break;
case Variant.VT_BLOB:
case Variant.VT_BLOB_OBJECT:
Blob blob = new Blob();
blob.read(lei);
_value = blob;
break;
case Variant.VT_STREAM:
case Variant.VT_STORAGE:
case Variant.VT_STREAMED_OBJECT:
case Variant.VT_STORED_OBJECT:
IndirectPropertyName ipn = new IndirectPropertyName();
ipn.read(lei);
_value = ipn;
break;
case Variant.VT_CF:
ClipboardData cd = new ClipboardData();
cd.read(lei);
_value = cd;
break;
case Variant.VT_CLSID:
GUID guid = new GUID();
guid.read(lei);
_value = lei;
break;
case Variant.VT_VERSIONED_STREAM:
VersionedStream vs = new VersionedStream();
vs.read(lei);
_value = vs;
break;
case Variant.VT_VECTOR | Variant.VT_I2:
case Variant.VT_VECTOR | Variant.VT_I4:
case Variant.VT_VECTOR | Variant.VT_R4:
case Variant.VT_VECTOR | Variant.VT_R8:
case Variant.VT_VECTOR | Variant.VT_CY:
case Variant.VT_VECTOR | Variant.VT_DATE:
case Variant.VT_VECTOR | Variant.VT_BSTR:
case Variant.VT_VECTOR | Variant.VT_ERROR:
case Variant.VT_VECTOR | Variant.VT_BOOL:
case Variant.VT_VECTOR | Variant.VT_VARIANT:
case Variant.VT_VECTOR | Variant.VT_I1:
case Variant.VT_VECTOR | Variant.VT_UI1:
case Variant.VT_VECTOR | Variant.VT_UI2:
case Variant.VT_VECTOR | Variant.VT_UI4:
case Variant.VT_VECTOR | Variant.VT_I8:
case Variant.VT_VECTOR | Variant.VT_UI8:
case Variant.VT_VECTOR | Variant.VT_LPSTR:
case Variant.VT_VECTOR | Variant.VT_LPWSTR:
case Variant.VT_VECTOR | Variant.VT_FILETIME:
case Variant.VT_VECTOR | Variant.VT_CF:
case Variant.VT_VECTOR | Variant.VT_CLSID:
Vector vec = new Vector( (short) ( _type & 0x0FFF ) );
vec.read(lei);
_value = vec;
break;
case Variant.VT_ARRAY | Variant.VT_I2:
case Variant.VT_ARRAY | Variant.VT_I4:
case Variant.VT_ARRAY | Variant.VT_R4:
case Variant.VT_ARRAY | Variant.VT_R8:
case Variant.VT_ARRAY | Variant.VT_CY:
case Variant.VT_ARRAY | Variant.VT_DATE:
case Variant.VT_ARRAY | Variant.VT_BSTR:
case Variant.VT_ARRAY | Variant.VT_ERROR:
case Variant.VT_ARRAY | Variant.VT_BOOL:
case Variant.VT_ARRAY | Variant.VT_VARIANT:
case Variant.VT_ARRAY | Variant.VT_DECIMAL:
case Variant.VT_ARRAY | Variant.VT_I1:
case Variant.VT_ARRAY | Variant.VT_UI1:
case Variant.VT_ARRAY | Variant.VT_UI2:
case Variant.VT_ARRAY | Variant.VT_UI4:
case Variant.VT_ARRAY | Variant.VT_INT:
case Variant.VT_ARRAY | Variant.VT_UINT:
Array arr = new Array();
arr.read(lei);
_value = arr;
break;
default:
String msg = "Unknown (possibly, incorrect) TypedPropertyValue type: " + _type;
throw new UnsupportedOperationException(msg);
}
}
static void skipPadding( LittleEndianByteArrayInputStream lei ) {
final int offset = lei.getReadIndex();
int skipBytes = (4 - (offset & 3)) & 3;
for (int i=0; i