Bug 214204 Only document content in document folder should be removed.[0601]
Description: Only document related content in document folder should be removed. Build number:2.3.0.v20080103 Steps to reproduce: 1. Deploy BIRT. 2. Edit web.xml to set BIRT_VIEWER_DOCUMENT_FOLDER to your local path and there are content inside the path. 3. Start server and click View Example to preview sample report. Expected result: Only content created by viewer should be removed in specified document folder. Actual result: All contents are deleted despite whether they are related with BIRT. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
try
			{
				if ( canWrite && new File( realPath ).canWrite( ) )
					return realPath;
			}
			catch ( Exception e )
			{
			}
		}
		
		if ( isRelative )
		{
			realPath = DataUtil.trimSepEnd( System
					.getProperty( "java.io.tmpdir" ) ) + path; 
		}
		else
		{
			
			if ( defaultPath != null )
				realPath = DataUtil.trimSepEnd( System
						.getProperty( "java.io.tmpdir" ) ) + File.separator + defaultPath; 
		}
		
		makeDir( realPath );
		return realPath;
	}
	/**
	 * Returns real path relative to context
	 * 
	 * @param path