Package loci.poi.ddf
Class EscherArrayProperty
java.lang.Object
loci.poi.ddf.EscherProperty
loci.poi.ddf.EscherComplexProperty
loci.poi.ddf.EscherArrayProperty
Escher array properties are the most wierd construction ever invented
with all sorts of special cases. I'm hopeful I've got them all.
- Author:
- Glen Stampoultzis (glens at superlinksoftware.com)
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Field Summary
Fields inherited from class loci.poi.ddf.EscherProperty
id -
Constructor Summary
ConstructorsConstructorDescriptionEscherArrayProperty(short propertyNumber, boolean isBlipId, byte[] complexData) EscherArrayProperty(short id, byte[] complexData) -
Method Summary
Modifier and TypeMethodDescriptionstatic intgetActualSizeOfElements(short sizeOfElements) Sometimes the element size is stored as a negative number.byte[]getElement(int index) intintshortintserializeSimplePart(byte[] data, int pos) Serializes the simple part of this property.intsetArrayData(byte[] data, int offset) We have this method because the way in which arrays in escher works is screwed for seemly arbitary reasons.voidsetElement(int index, byte[] element) voidsetNumberOfElementsInArray(int numberOfElements) voidsetNumberOfElementsInMemory(int numberOfElements) voidsetSizeOfElements(int sizeOfElements) toString()Retrieves the string representation for this property.Methods inherited from class loci.poi.ddf.EscherComplexProperty
equals, getComplexData, getPropertySize, hashCode, serializeComplexPartMethods inherited from class loci.poi.ddf.EscherProperty
getId, getName, getPropertyNumber, isBlipId, isComplex
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Constructor Details
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EscherArrayProperty
public EscherArrayProperty(short id, byte[] complexData) -
EscherArrayProperty
public EscherArrayProperty(short propertyNumber, boolean isBlipId, byte[] complexData)
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Method Details
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getNumberOfElementsInArray
public int getNumberOfElementsInArray() -
setNumberOfElementsInArray
public void setNumberOfElementsInArray(int numberOfElements) -
getNumberOfElementsInMemory
public int getNumberOfElementsInMemory() -
setNumberOfElementsInMemory
public void setNumberOfElementsInMemory(int numberOfElements) -
getSizeOfElements
public short getSizeOfElements() -
setSizeOfElements
public void setSizeOfElements(int sizeOfElements) -
getElement
public byte[] getElement(int index) -
setElement
public void setElement(int index, byte[] element) -
toString
Description copied from class:EscherComplexPropertyRetrieves the string representation for this property.- Overrides:
toStringin classEscherComplexProperty
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setArrayData
public int setArrayData(byte[] data, int offset) We have this method because the way in which arrays in escher works is screwed for seemly arbitary reasons. While most properties are fairly consistent and have a predictable array size, escher arrays have special cases.- Parameters:
data- The data array containing the escher array informationoffset- The offset into the array to start reading from.- Returns:
- the number of bytes used by this complex property.
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serializeSimplePart
public int serializeSimplePart(byte[] data, int pos) Serializes the simple part of this property. ie the first 6 bytes. Needs special code to handle the case when the size doesn't include the size of the header block- Overrides:
serializeSimplePartin classEscherComplexProperty
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getActualSizeOfElements
public static int getActualSizeOfElements(short sizeOfElements) Sometimes the element size is stored as a negative number. We negate it and shift it to get the real value.
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