Bug 149617 Support Content-type-based editor lookup
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/ReportPlugin.java
PREFERENCE_DELIMITER );
		int tokenCount = tokenizer.countTokens( );
		String[] elements = new String[tokenCount];
		int i;
		for ( i = 0; i < tokenCount; i++ )
		{
			elements[i] = tokenizer.nextToken( ).trim( );
		}
		return elements;
	}
	/**
	 * Convert Sting[] to String
	 * 
	 * @param elements []
	 *            elements - the Strings to be converted to the preference value
	 */
	public String convertStrArray2Str( String[] elements )
	{
		StringBuffer buffer = new StringBuffer( );
		for ( int i = 0; i < elements.length; i++ )
		{
			buffer.append( elements[i] );
			buffer.append( PREFERENCE_DELIMITER );
		}
		return buffer.toString( );
	}
	/**
	 * Set element names from string[]
	 * 
	 * @param elements