Class CoreParser
java.lang.Object
org.apache.lucene.queryparser.xml.CoreParser
- All Implemented Interfaces:
SpanQueryBuilder,QueryBuilder
- Direct Known Subclasses:
CorePlusQueriesParser
Assembles a QueryBuilder which uses only core Lucene Query objects
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected Analyzerprotected Stringstatic final EntityResolverprotected QueryParserprotected QueryBuilderFactoryprotected final SpanQueryBuilderFactory -
Constructor Summary
ConstructorsModifierConstructorDescriptionCoreParser(String defaultField, Analyzer analyzer) Constructs an XML parser that creates a QueryParser for each UserQuery request.protectedCoreParser(String defaultField, Analyzer analyzer, QueryParser parser) CoreParser(Analyzer analyzer, QueryParser parser) Construct an XML parser that uses a single instance QueryParser for handling UserQuery tags - all parse operations are synchronised on this parser -
Method Summary
Modifier and TypeMethodDescriptionvoidaddQueryBuilder(String nodeName, QueryBuilder builder) voidaddSpanBuilder(String nodeName, SpanQueryBuilder builder) voidaddSpanQueryBuilder(String nodeName, SpanQueryBuilder builder) protected EntityResolverReturns a SAXEntityResolverto be used byDocumentBuilder.protected ErrorHandlerSubclass and override to return a SAXErrorHandlerto be used byDocumentBuilder.parse(InputStream xmlStream) Parses the given stream as XML file and returns aQuery.
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Field Details
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defaultField
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analyzer
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parser
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queryFactory
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spanFactory
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DISALLOW_EXTERNAL_ENTITY_RESOLVER
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Constructor Details
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CoreParser
Construct an XML parser that uses a single instance QueryParser for handling UserQuery tags - all parse operations are synchronised on this parser- Parameters:
parser- A QueryParser which will be synchronized on during parse calls.
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CoreParser
Constructs an XML parser that creates a QueryParser for each UserQuery request.- Parameters:
defaultField- The default field name used by QueryParsers constructed for UserQuery tags
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CoreParser
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Method Details
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parse
Parses the given stream as XML file and returns aQuery. By default this disallows external entities for security reasons.- Throws:
ParserException
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addQueryBuilder
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addSpanBuilder
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addSpanQueryBuilder
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getEntityResolver
Returns a SAXEntityResolverto be used byDocumentBuilder. By default this returnsDISALLOW_EXTERNAL_ENTITY_RESOLVER, which disallows the expansion of external entities (for security reasons). To restore legacy behavior, override this method to returnnull. -
getErrorHandler
Subclass and override to return a SAXErrorHandlerto be used byDocumentBuilder. By default this returnsnullso no error handler is used. This method can be used to redirect XML parse errors/warnings to a custom logger. -
getQuery
- Specified by:
getQueryin interfaceQueryBuilder- Throws:
ParserException
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getSpanQuery
- Specified by:
getSpanQueryin interfaceSpanQueryBuilder- Throws:
ParserException
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