/*
* file: CustomFieldValueReader12.java
* author: Jon Iles
* copyright: (c) Packwood Software 2015
* date: 28/04/2015
*/
/*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
package net.sf.mpxj.mpp;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import net.sf.mpxj.CustomField;
import net.sf.mpxj.CustomFieldContainer;
import net.sf.mpxj.CustomFieldLookupTable;
import net.sf.mpxj.DataType;
import net.sf.mpxj.Duration;
import net.sf.mpxj.FieldType;
import net.sf.mpxj.ProjectProperties;
import net.sf.mpxj.TimeUnit;
import net.sf.mpxj.common.FieldTypeHelper;
/**
* MPP9 custom field value reader.
*/
public class CustomFieldValueReader9
{
/**
* Constructor.
*
* @param properties MPXJ project properties
* @param projectProps MPP project properties
* @param container cusotm field container
*/
public CustomFieldValueReader9(ProjectProperties properties, Props projectProps, CustomFieldContainer container)
{
m_properties = properties;
m_projectProps = projectProps;
m_container = container;
}
/**
* Reads custom field values and populates container.
*/
public void process()
{
byte[] data = m_projectProps.getByteArray(Props.TASK_FIELD_ATTRIBUTES);
if (data != null)
{
int index = 0;
int offset = 0;
// First the length
int length = MPPUtility.getInt(data, offset);
offset += 4;
// Then the number of custom value lists
int numberOfValueLists = MPPUtility.getInt(data, offset);
offset += 4;
// Then the value lists themselves
FieldType field;
int valueListOffset = 0;
while (index < numberOfValueLists && offset < length)
{
// Each item consists of the Field ID (4 bytes) and the offset to the value list (4 bytes)
// Get the Field
field = FieldTypeHelper.getInstance(MPPUtility.getInt(data, offset));
offset += 4;
// Get the value list offset
valueListOffset = MPPUtility.getInt(data, offset);
offset += 4;
// Read the value list itself
if (valueListOffset < data.length)
{
int tempOffset = valueListOffset;
tempOffset += 8;
// Get the data offset
int dataOffset = MPPUtility.getInt(data, tempOffset) + valueListOffset;
tempOffset += 4;
// Get the end of the data offset
int endDataOffset = MPPUtility.getInt(data, tempOffset) + valueListOffset;
tempOffset += 4;
// Get the end of the description
int endDescriptionOffset = MPPUtility.getInt(data, tempOffset) + valueListOffset;
// Get the values themselves
int valuesLength = endDataOffset - dataOffset;
byte[] values = new byte[valuesLength];
MPPUtility.getByteArray(data, dataOffset, valuesLength, values, 0);
// Get the descriptions
int descriptionsLength = endDescriptionOffset - endDataOffset;
byte[] descriptions = new byte[descriptionsLength];
MPPUtility.getByteArray(data, endDataOffset, descriptionsLength, descriptions, 0);
populateContainer(field, values, descriptions);
}
index++;
}
}
}
/**
* Populate the container, converting raw data into Java types.
*
* @param field custom field to which these values belong
* @param values raw value data
* @param descriptions raw description data
*/
private void populateContainer(FieldType field, byte[] values, byte[] descriptions)
{
CustomField config = m_container.getCustomField(field);
CustomFieldLookupTable table = config.getLookupTable();
List<Object> descriptionList = convertType(DataType.STRING, descriptions);
List<Object> valueList = convertType(field.getDataType(), values);
for (int index = 0; index < descriptionList.size(); index++)
{
CustomFieldValueItem item = new CustomFieldValueItem(Integer.valueOf(0));
item.setDescription((String) descriptionList.get(index));
if (index < valueList.size())
{
item.setValue(valueList.get(index));
}
table.add(item);
}
}
/**
* Convert raw data into Java types.
*
* @param type data type
* @param data raw data
* @return list of Java object
*/
private List<Object> convertType(DataType type, byte[] data)
{
List<Object> result = new ArrayList<Object>();
int index = 0;
while (index < data.length)
{
switch (type)
{
case STRING:
{
String value = MPPUtility.getUnicodeString(data, index);
result.add(value);
index += ((value.length() + 1) * 2);
break;
}
case CURRENCY:
{
Double value = Double.valueOf(MPPUtility.getDouble(data, index) / 100);
result.add(value);
index += 8;
break;
}
case NUMERIC:
{
Double value = Double.valueOf(MPPUtility.getDouble(data, index));
result.add(value);
index += 8;
break;
}
case DATE:
{
Date value = MPPUtility.getTimestamp(data, index);
result.add(value);
index += 4;
break;
}
case DURATION:
{
TimeUnit units = MPPUtility.getDurationTimeUnits(MPPUtility.getShort(data, index + 4), m_properties.getDefaultDurationUnits());
Duration value = MPPUtility.getAdjustedDuration(m_properties, MPPUtility.getInt(data, index), units);
result.add(value);
index += 6;
break;
}
case BOOLEAN:
{
Boolean value = Boolean.valueOf(MPPUtility.getShort(data, index) == 1);
result.add(value);
index += 2;
break;
}
default:
{
index = data.length;
break;
}
}
}
return result;
}
private final ProjectProperties m_properties;
private final Props m_projectProps;
private final CustomFieldContainer m_container;
}