Package org.sentrysoftware.metricshub.engine.common.helpers

Class FilterResultHelper

java.lang.Object

org.sentrysoftware.metricshub.engine.common.helpers.FilterResultHelper

public class FilterResultHelper
extends Object

Utility class for filtering and selecting columns in a list of lines.

Constructor Summary

Constructors

Constructor	Description
FilterResultHelper()

Method Summary

Modifier and Type	Method	Description
static List<String>	filterLines(@NonNull List<String> lines, Integer removeHeader, Integer removeFooter, String excludeRegExp, String keepOnlyRegExp)	Filter the lines: In removing the header if exists: all the lines from start to removeHeader number. In removing the Footer if exists: all the removeFooter number lines from the end. In removing all the lines matching to the excludeRegExp if exist In keeping only the lines matching to the keepOnlyRegExp if exist
static List<String>	selectedColumns(@NonNull List<String> lines, String separators, String selectColumns)	Select the columns in the lines.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FilterResultHelper

public FilterResultHelper()

Method Details

filterLines

public static List<String> filterLines(@NonNull
 @NonNull List<String> lines,
 Integer removeHeader,
 Integer removeFooter,
 String excludeRegExp,
 String keepOnlyRegExp)

Filter the lines:

• In removing the header if exists: all the lines from start to removeHeader number.
• In removing the Footer if exists: all the removeFooter number lines from the end.
• In removing all the lines matching to the excludeRegExp if exist
• In keeping only the lines matching to the keepOnlyRegExp if exist

Parameters:

lines - The lines to be filtered. (mandatory)

removeHeader - The number of lines to ignored from the start.

removeFooter - The number of lines to ignored from the end.

excludeRegExp - The PSL regexp to exclude lines.

keepOnlyRegExp - The PSL regexp for lines to keep.

Returns:

The filterd lines.

selectedColumns

public static List<String> selectedColumns(@NonNull
 @NonNull List<String> lines,
 String separators,
 String selectColumns)

Select the columns in the lines. Extract separators and split each line with these separators keep only values (from the split result) which index matches with the selected column list

Parameters:

lines - The lines (mandatory)

separators - The separators

selectColumns - The list of the selected columns position.

Returns:

The lines with the selected columns.