104 lines
2.9 KiB
Java
104 lines
2.9 KiB
Java
|
package org.apache.poi.ddf;
|
||
|
|
|
||
|
|
import org.apache.poi.util.LittleEndian;
|
||
|
|
import org.apache.poi.util.HexDump;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A simple property is of fixed length and as a property number in addition
|
||
|
|
* to a 32-bit value. Properties that can't be stored in only 32-bits are
|
||
|
|
* stored as EscherComplexProperty objects.
|
||
|
|
*
|
||
|
|
* @author Glen Stampoultzis (glens at apache.org)
|
||
|
|
*/
|
||
|
|
public class EscherSimpleProperty extends EscherProperty
|
||
|
|
{
|
||
|
|
protected int propertyValue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The id is distinct from the actual property number. The id includes the property number the blip id
|
||
|
|
* flag and an indicator whether the property is complex or not.
|
||
|
|
*/
|
||
|
|
public EscherSimpleProperty( short id, int propertyValue )
|
||
|
|
{
|
||
|
|
super( id );
|
||
|
|
this.propertyValue = propertyValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new escher property. The three parameters are combined to form a property
|
||
|
|
* id.
|
||
|
|
*/
|
||
|
|
public EscherSimpleProperty( short propertyNumber, boolean isComplex, boolean isBlipId, int propertyValue )
|
||
|
|
{
|
||
|
|
super( propertyNumber, isComplex, isBlipId );
|
||
|
|
this.propertyValue = propertyValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serialize the simple part of the escher record.
|
||
|
|
*
|
||
|
|
* @return the number of bytes serialized.
|
||
|
|
*/
|
||
|
|
public int serializeSimplePart( byte[] data, int offset )
|
||
|
|
{
|
||
|
|
LittleEndian.putShort(data, offset, getId());
|
||
|
|
LittleEndian.putInt(data, offset + 2, propertyValue);
|
||
|
|
return 6;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escher properties consist of a simple fixed length part and a complex variable length part.
|
||
|
|
* The fixed length part is serialized first.
|
||
|
|
*/
|
||
|
|
public int serializeComplexPart( byte[] data, int pos )
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Return the 32 bit value of this property.
|
||
|
|
*/
|
||
|
|
public int getPropertyValue()
|
||
|
|
{
|
||
|
|
return propertyValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if one escher property is equal to another.
|
||
|
|
*/
|
||
|
|
public boolean equals( Object o )
|
||
|
|
{
|
||
|
|
if ( this == o ) return true;
|
||
|
|
if ( !( o instanceof EscherSimpleProperty ) ) return false;
|
||
|
|
|
||
|
|
final EscherSimpleProperty escherSimpleProperty = (EscherSimpleProperty) o;
|
||
|
|
|
||
|
|
if ( propertyValue != escherSimpleProperty.propertyValue ) return false;
|
||
|
|
if ( getId() != escherSimpleProperty.getId() ) return false;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a hashcode so that this object can be stored in collections that
|
||
|
|
* require the use of such things.
|
||
|
|
*/
|
||
|
|
public int hashCode()
|
||
|
|
{
|
||
|
|
return propertyValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return the string representation of this property.
|
||
|
|
*/
|
||
|
|
public String toString()
|
||
|
|
{
|
||
|
|
return "propNum: " + getPropertyNumber()
|
||
|
|
+ ", propName: " + EscherProperties.getPropertyName( getPropertyNumber() )
|
||
|
|
+ ", complex: " + isComplex()
|
||
|
|
+ ", blipId: " + isBlipId()
|
||
|
|
+ ", value: " + propertyValue + " (0x" + HexDump.toHex(propertyValue) + ")";
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|