de.fuberlin.wiwiss.pubby.servlets

Class BaseServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

de.fuberlin.wiwiss.pubby.servlets.BaseServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

BasePathServlet, BaseURLServlet, RootServlet, WebURIServlet

public abstract class BaseServlet
extends javax.servlet.http.HttpServlet

An abstract base servlet for servlets that manage a namespace of resources. This class handles preprocessing of the request to extract the resource URI relative to the namespace root, and manages the Configuration instance shared by all servlets.

Version:

$Id$

Author:

Richard Cyganiak (richard@cyganiak.de)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BaseServlet()

Method Summary

Modifier and Type	Method and Description
protected String	addQueryString(String dataURL, javax.servlet.http.HttpServletRequest request)
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected abstract boolean	doGet(String relativeURI, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, Configuration config)
protected org.apache.jena.rdf.model.Model	getAnonymousPropertyValues(Collection<MappedResource> resources, org.apache.jena.rdf.model.Property property, boolean isInverse)
protected String	getFirstSPARQLEndpoint(Collection<MappedResource> resources)
protected org.apache.jena.rdf.model.Model	getResourceDescription(Collection<MappedResource> resources)
void	init()
protected void	send404(javax.servlet.http.HttpServletResponse response, String resourceURI)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseServlet

public BaseServlet()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

getResourceDescription

protected org.apache.jena.rdf.model.Model getResourceDescription(Collection<MappedResource> resources)

getAnonymousPropertyValues

protected org.apache.jena.rdf.model.Model getAnonymousPropertyValues(Collection<MappedResource> resources,
                                                                     org.apache.jena.rdf.model.Property property,
                                                                     boolean isInverse)

getFirstSPARQLEndpoint

protected String getFirstSPARQLEndpoint(Collection<MappedResource> resources)

doGet

protected abstract boolean doGet(String relativeURI,
                                 javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response,
                                 Configuration config)
                          throws IOException,
                                 javax.servlet.ServletException

Throws:

IOException

javax.servlet.ServletException

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws IOException,
                  javax.servlet.ServletException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

IOException

javax.servlet.ServletException

send404

protected void send404(javax.servlet.http.HttpServletResponse response,
                       String resourceURI)
                throws IOException

Throws:

IOException

addQueryString

protected String addQueryString(String dataURL,
                                javax.servlet.http.HttpServletRequest request)