Bug 124067 When select the XML file, the relative path should be supported.
Description: When select the XML file, the relative path should be supported. Step to reproduce: 1. new a report 2. new a datasource and dataset based on a XML file 3. select the XML file, the file relative path should be used. Actual result: only the absolute path is supported. Expect result: the relative and absolute path are supported.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
public IBaseDataSourceDesign createDataSourceDesign(
			DataSourceHandle dataSource, ExecutionContext context )
			throws EngineException
	{
		try
		{
			ModelDteApiAdapter tmpAdaptor = new ModelDteApiAdapter( context,
					null );
			return tmpAdaptor.createDataSourceDesign( dataSource );
		} catch ( BirtException e )
		{
			throw new EngineException( e.getLocalizedMessage( ) );
		}
	}
	/**
	 * @deprecated use createDataSetDesign( dataSource )
	 */
	public IBaseDataSetDesign createDataSetDesign( DataSetHandle dataSet,
			ExecutionContext context ) throws EngineException
	{
		try
		{
			ModelDteApiAdapter tmpAdaptor = new ModelDteApiAdapter( context,
					null );
			return tmpAdaptor.createDataSetDesign( dataSet );
		} catch ( BirtException e )
		{
			throw new EngineException( e.getLocalizedMessage( ) );
		}
	}