com.jn.langx.text.grok

类 Match

java.lang.Object

com.jn.langx.text.grok.Match

public class Match
extends Object

Match is a representation in Grok world of your log.

从以下版本开始:

4.7.2

字段概要

字段

限定符和类型	字段和说明
static Match	EMPTY Create Empty grok matcher.

构造器概要

构造器

构造器和说明
Match(CharSequence subject, Grok grok, RegexpMatcher match, int start, int end) Create a new Match object.

方法概要

限定符和类型	方法和说明
Map<String,Object>	capture() Match to the subject the regex and save the matched element into a map.
Map<String,Object>	captureFlattened() Match to the subject the regex and save the matched element into a map Multiple values to the same key are flattened to one value: the sole non-null value will be captured.
int	getEnd()
RegexpMatcher	getMatch()
int	getStart()
CharSequence	getSubject() Retrurn the single line of log.
boolean	isKeepEmptyCaptures()
Boolean	isNull() Util fct.
void	setKeepEmptyCaptures(boolean ignore) Ignore empty captures.

从类继承的方法 java.lang.Object

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

字段详细资料

EMPTY

public static final Match EMPTY

Create Empty grok matcher.

构造器详细资料

Match

public Match(CharSequence subject,
             Grok grok,
             RegexpMatcher match,
             int start,
             int end)

Create a new Match object.

方法详细资料

getMatch

public RegexpMatcher getMatch()

getStart

public int getStart()

getEnd

public int getEnd()

setKeepEmptyCaptures

public void setKeepEmptyCaptures(boolean ignore)

Ignore empty captures.

isKeepEmptyCaptures

public boolean isKeepEmptyCaptures()

getSubject

public CharSequence getSubject()

Retrurn the single line of log.

返回:

the single line of log

capture

public Map<String,Object> capture()

Match to the subject the regex and save the matched element into a map. Multiple values for the same key are stored as list.

captureFlattened

public Map<String,Object> captureFlattened()
                                    throws GrokException

Match to the subject the regex and save the matched element into a map Multiple values to the same key are flattened to one value: the sole non-null value will be captured. Should there be multiple non-null values a RuntimeException is being thrown. This can be used in cases like: (foo (.*:message) bar|bar (.*:message) foo) where the regexp guarantees that only one value will be captured. See also capture which returns multiple values of the same key as list.

返回:

the matched elements

抛出:

GrokException - if a keys has multiple non-null values.

isNull

public Boolean isNull()

Util fct.

返回:

boolean