Class AbstractServlet

java.lang.Object
org.eclipse.rdf4j.workbench.base.AbstractServlet
All Implemented Interfaces:
jakarta.servlet.Servlet
Direct Known Subclasses:
AbstractRepositoryServlet, WorkbenchGateway, WorkbenchServlet
public abstract class AbstractServlet extends Object implements jakarta.servlet.Servlet

  • Field Details

    • log

      protected final org.slf4j.Logger log

    • SERVER_USER

      @Deprecated protected static final String SERVER_USER
      Deprecated.
      See Also:

    • SERVER_PASSWORD

      @Deprecated protected static final String SERVER_PASSWORD
      Deprecated.
      See Also:

    • SERVER_USER_PASSWORD

      protected static final String SERVER_USER_PASSWORD
      See Also:

    • ACCEPT

      protected static final String ACCEPT
      See Also:

    • APPLICATION_JAVASCRIPT

      protected static final String APPLICATION_JAVASCRIPT
      This response content type is always used for JSONP results.
      See Also:

    • APPLICATION_XML

      protected static final String APPLICATION_XML
      This response content type is used in cases where application/xml is explicitly requested, or in cases where the user agent is known to be a commonly available browser.
      See Also:

    • APPLICATION_SPARQL_RESULTS_XML

      protected static final String APPLICATION_SPARQL_RESULTS_XML
      This response content type is used for SPARQL Results XML results in non-browser user agents or other cases where application/xml is not specifically requested.
      See Also:

    • TEXT_HTML

      protected static final String TEXT_HTML
      See Also:

    • TEXT_PLAIN

      protected static final String TEXT_PLAIN
      See Also:

    • USER_AGENT

      protected static final String USER_AGENT
      See Also:

    • MSIE

      protected static final String MSIE
      See Also:

    • MOZILLA

      protected static final String MOZILLA
      See Also:

    • JSONP_ENABLED

      protected static final String JSONP_ENABLED
      JSONP property for enabling/disabling jsonp functionality.
      See Also:

    • DEFAULT_JSONP_CALLBACK_PARAMETER

      protected static final String DEFAULT_JSONP_CALLBACK_PARAMETER
      This query parameter is only used in cases where the configuration property is not setup explicitly.
      See Also:

    • JSONP_VALIDATOR

      protected static final Pattern JSONP_VALIDATOR

    • JSONP_CALLBACK_PARAMETER

      protected static final String JSONP_CALLBACK_PARAMETER
      See Also:

    • config

      protected jakarta.servlet.ServletConfig config

    • appConfig

      protected AppConfiguration appConfig

  • Constructor Details

    • AbstractServlet

      public AbstractServlet()

  • Method Details

    • getServletConfig

      public jakarta.servlet.ServletConfig getServletConfig()
      Specified by:
      getServletConfig in interface jakarta.servlet.Servlet

    • getServletInfo

      public String getServletInfo()
      Specified by:
      getServletInfo in interface jakarta.servlet.Servlet

    • init

      public void init(jakarta.servlet.ServletConfig config) throws jakarta.servlet.ServletException
      Specified by:
      init in interface jakarta.servlet.Servlet
      Throws:
      jakarta.servlet.ServletException

    • destroy

      public void destroy()
      Specified by:
      destroy in interface jakarta.servlet.Servlet

    • service

      public final void service(jakarta.servlet.ServletRequest req, jakarta.servlet.ServletResponse resp) throws jakarta.servlet.ServletException, IOException
      Specified by:
      service in interface jakarta.servlet.Servlet
      Throws:
      jakarta.servlet.ServletException
      IOException

    • service

      public void service(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp) throws jakarta.servlet.ServletException, IOException
      Throws:
      jakarta.servlet.ServletException
      IOException

    • getTupleResultFormat

      protected QueryResultFormat getTupleResultFormat(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.ServletResponse resp)

    • getBooleanResultFormat

      protected QueryResultFormat getBooleanResultFormat(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.ServletResponse resp)

    • getJSONPResultFormat

      protected QueryResultFormat getJSONPResultFormat(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.ServletResponse resp)

    • getResultWriter

      protected QueryResultWriter getResultWriter(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.ServletResponse resp, OutputStream outputStream) throws UnsupportedQueryResultFormatException, IOException
      Throws:
      UnsupportedQueryResultFormatException
      IOException

    • getTupleResultBuilder

      protected TupleResultBuilder getTupleResultBuilder(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp, OutputStream outputStream) throws UnsupportedQueryResultFormatException, IOException
      Gets a TupleResultBuilder based on the Accept header, and sets the result content type to the best available match for that, returning a builder that can be used to write out the results.
      Parameters:
      req - the current HTTP request
      resp - the current HTTP response
      outputStream - TODO
      Returns:
      a builder that can be used to write out the results
      Throws:
      IOException
      UnsupportedQueryResultFormatException

    • checkJSONP

      protected QueryResultWriter checkJSONP(jakarta.servlet.http.HttpServletRequest req, OutputStream outputStream) throws IOException
      Throws:
      IOException