Bug 322346 Refactor data set editor pages' codes[29803]
Build Identifier: 20100810 Refactor data set editor pages' codes. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataSetProvider.java
import org.osgi.framework.Bundle;
/**
 * 
 * Utility class to get meta data and data from data set
 * 
 */
public final class DataSetProvider
{
	private static final String BIRT_SCRIPTLIB = "/birt/scriptlib";
	private static final String BIRT_CLASSES = "/birt/WEB-INF/classes/";
	private static final String VIEWER_NAMESPACE = "org.eclipse.birt.report.viewer";
	private static DataSetProvider instance = null;
	
	private transient Hashtable htColumns = new Hashtable( 10 );
	private static Hashtable htDataSourceExtensions = new Hashtable( 10 );
	private transient Hashtable sessionTable = new Hashtable( 10 );
	
	private static final char RENAME_SEPARATOR = '_';
	private static String UNNAME_PREFIX = "UNNAMED"; 
	private boolean needToFocusOnOutput = true;
	/**
	 * @return
	 */
	private static DataSetProvider newInstance( )
	{
		return new DataSetProvider( );
	}
	/**
	 * 
	 * @return