org.graylog.plugins.pipelineprocessor.parser

Class PipelineRuleParser

java.lang.Object

org.graylog.plugins.pipelineprocessor.parser.PipelineRuleParser

public class PipelineRuleParser
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static org.antlr.v4.runtime.tree.ParseTreeWalker	WALKER

Constructor Summary

Constructors

Constructor and Description
PipelineRuleParser(FunctionRegistry functionRegistry, CodeGenerator codeGenerator)

Method Summary

Modifier and Type	Method and Description
Pipeline	parsePipeline(String id, String source)
List<Pipeline>	parsePipelines(String pipelines)
Rule	parseRule(String rule, boolean silent)
Rule	parseRule(String rule, boolean silent, PipelineClassloader classLoader)
Rule	parseRule(String id, String rule, boolean silent)
Rule	parseRule(String id, String rule, boolean silent, PipelineClassloader ruleClassLoader) Parses the given rule source and optionally generates a Java class for it if the classloader is not null.
static String	unescape(String string)
static String	unquote(String string, char quoteChar)

Methods inherited from class java.lang.Object

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

Field Detail

WALKER

public static final org.antlr.v4.runtime.tree.ParseTreeWalker WALKER

Constructor Detail

PipelineRuleParser

@Inject
public PipelineRuleParser(FunctionRegistry functionRegistry,
                                  CodeGenerator codeGenerator)

Method Detail

parseRule

public Rule parseRule(String rule,
                      boolean silent)
               throws ParseException

Throws:

ParseException

parseRule

public Rule parseRule(String rule,
                      boolean silent,
                      PipelineClassloader classLoader)
               throws ParseException

Throws:

ParseException

parseRule

public Rule parseRule(String id,
                      String rule,
                      boolean silent)
               throws ParseException

Throws:

ParseException

parseRule

public Rule parseRule(String id,
                      String rule,
                      boolean silent,
                      PipelineClassloader ruleClassLoader)
               throws ParseException

Parses the given rule source and optionally generates a Java class for it if the classloader is not null.

Parameters:

id - the id of the rule, necessary to generate code

rule - rule source code

silent - don't emit status messages during parsing

ruleClassLoader - the classloader to load the generated code into (can be null)

Returns:

the parse rule

Throws:

ParseException - if a one or more parse errors occur

parsePipelines

public List<Pipeline> parsePipelines(String pipelines)
                              throws ParseException

Throws:

ParseException

parsePipeline

public Pipeline parsePipeline(String id,
                              String source)

unquote

public static String unquote(String string,
                             char quoteChar)

unescape

public static String unescape(String string)