Package org.eclipse.rdf4j.http.server.repository.handler

Class AbstractQueryRequestHandler

java.lang.Object

org.eclipse.rdf4j.http.server.repository.handler.AbstractQueryRequestHandler

All Implemented Interfaces:

QueryRequestHandler

Direct Known Subclasses:

DefaultQueryRequestHandler

public abstract class AbstractQueryRequestHandler
extends Object
implements QueryRequestHandler

A base implementation to handle an HTTP query request.

Constructor Summary

Constructors

Constructor	Description
AbstractQueryRequestHandler(RepositoryResolver repositoryResolver)

Method Summary

Modifier and Type	Method	Description
protected abstract Object	evaluateQuery(org.eclipse.rdf4j.query.Query query, long limit, long offset, boolean distinct)
protected long	getLimit(javax.servlet.http.HttpServletRequest request)
protected org.springframework.web.servlet.ModelAndView	getModelAndView(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean headersOnly, org.eclipse.rdf4j.repository.RepositoryConnection repositoryCon, org.springframework.web.servlet.View view, Object queryResult, org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<? extends org.eclipse.rdf4j.common.lang.FileFormat,?> registry)
protected long	getOffset(javax.servlet.http.HttpServletRequest request)
protected abstract org.eclipse.rdf4j.query.Query	getQuery(javax.servlet.http.HttpServletRequest request, org.eclipse.rdf4j.repository.RepositoryConnection repositoryCon, String queryString)
protected abstract String	getQueryString(javax.servlet.http.HttpServletRequest request, org.springframework.web.bind.annotation.RequestMethod requestMethod)
protected abstract org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<? extends org.eclipse.rdf4j.common.lang.FileFormat,?>	getResultWriterFor(org.eclipse.rdf4j.query.Query query)
protected abstract org.springframework.web.servlet.View	getViewFor(org.eclipse.rdf4j.query.Query query)
org.springframework.web.servlet.ModelAndView	handleQueryRequest(javax.servlet.http.HttpServletRequest request, org.springframework.web.bind.annotation.RequestMethod requestMethod, javax.servlet.http.HttpServletResponse response)
protected boolean	isDistinct(javax.servlet.http.HttpServletRequest request)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQueryRequestHandler

public AbstractQueryRequestHandler(RepositoryResolver repositoryResolver)

Method Detail

handleQueryRequest

public org.springframework.web.servlet.ModelAndView handleQueryRequest(javax.servlet.http.HttpServletRequest request,
                                                                       org.springframework.web.bind.annotation.RequestMethod requestMethod,
                                                                       javax.servlet.http.HttpServletResponse response)
                                                                throws HTTPException,
                                                                       IOException

Specified by:

handleQueryRequest in interface QueryRequestHandler

Throws:

HTTPException

IOException

evaluateQuery

protected abstract Object evaluateQuery(org.eclipse.rdf4j.query.Query query,
                                        long limit,
                                        long offset,
                                        boolean distinct)
                                 throws ClientHTTPException

Throws:

ClientHTTPException

getViewFor

protected abstract org.springframework.web.servlet.View getViewFor(org.eclipse.rdf4j.query.Query query)

getResultWriterFor

protected abstract org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<? extends org.eclipse.rdf4j.common.lang.FileFormat,?> getResultWriterFor(org.eclipse.rdf4j.query.Query query)

getQueryString

protected abstract String getQueryString(javax.servlet.http.HttpServletRequest request,
                                         org.springframework.web.bind.annotation.RequestMethod requestMethod)
                                  throws HTTPException

Throws:

HTTPException

getQuery

protected abstract org.eclipse.rdf4j.query.Query getQuery(javax.servlet.http.HttpServletRequest request,
                                                          org.eclipse.rdf4j.repository.RepositoryConnection repositoryCon,
                                                          String queryString)
                                                   throws IOException,
                                                          HTTPException

Throws:

IOException

HTTPException

getModelAndView

protected org.springframework.web.servlet.ModelAndView getModelAndView(javax.servlet.http.HttpServletRequest request,
                                                                       javax.servlet.http.HttpServletResponse response,
                                                                       boolean headersOnly,
                                                                       org.eclipse.rdf4j.repository.RepositoryConnection repositoryCon,
                                                                       org.springframework.web.servlet.View view,
                                                                       Object queryResult,
                                                                       org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<? extends org.eclipse.rdf4j.common.lang.FileFormat,?> registry)
                                                                throws ClientHTTPException

Throws:

ClientHTTPException

isDistinct

protected boolean isDistinct(javax.servlet.http.HttpServletRequest request)
                      throws ClientHTTPException

Throws:

ClientHTTPException

getOffset

protected long getOffset(javax.servlet.http.HttpServletRequest request)
                  throws ClientHTTPException

Throws:

ClientHTTPException

getLimit

protected long getLimit(javax.servlet.http.HttpServletRequest request)
                 throws ClientHTTPException

Throws:

ClientHTTPException