| /* |
| * ==================================================================== |
| * 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<skipBytes; i++) { |
| lei.mark(1); |
| int b = lei.read(); |
| if (b == -1 || b != 0) { |
| lei.reset(); |
| break; |
| } |
| } |
| } |
| } |