net.ontopia.topicmaps.nav2.utils
Class RequestAttributeStoreServletFilter

java.lang.Object
  extended by net.ontopia.topicmaps.nav2.utils.RequestAttributeStoreServletFilter
All Implemented Interfaces:
javax.servlet.Filter

public class RequestAttributeStoreServletFilter
extends Object
implements javax.servlet.Filter

INTERNAL: Servlet filter that creates a new topic map store for each request.

The filter can be configured using the following configuration parameters:

topicMapId - The id of the topic map to create a store for. Mandatory.
repositoryId - The id of the topic map repository. The default is to use the default repository.
readOnly - A boolean specifying if the store should be readonly. The default is true.
requestAttribute - The name of the request attribute under which the store should be placed. The default can be retrieved through the getDefaultRequestAttribute. Override the default only when neccessary.

Since:
3.4

Field Summary
protected  javax.servlet.FilterConfig filterConfig
           
 
Constructor Summary
RequestAttributeStoreServletFilter()
           
 
Method Summary
 void destroy()
           
 void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
           
static String getDefaultRequestAttribute()
           
protected  boolean getReadOnly(javax.servlet.ServletRequest request)
           
protected  String getRepositoryId(javax.servlet.ServletRequest request)
           
protected  String getRequestAttribute(javax.servlet.ServletRequest request)
           
protected  String getTopicMapId(javax.servlet.ServletRequest request)
           
 void init(javax.servlet.FilterConfig filterConfig)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

filterConfig

protected javax.servlet.FilterConfig filterConfig
Constructor Detail

RequestAttributeStoreServletFilter

public RequestAttributeStoreServletFilter()
Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException
Specified by:
init in interface javax.servlet.Filter
Throws:
javax.servlet.ServletException

destroy

public void destroy()
Specified by:
destroy in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException
Specified by:
doFilter in interface javax.servlet.Filter
Throws:
IOException
javax.servlet.ServletException

getDefaultRequestAttribute

public static String getDefaultRequestAttribute()

getTopicMapId

protected String getTopicMapId(javax.servlet.ServletRequest request)

getRepositoryId

protected String getRepositoryId(javax.servlet.ServletRequest request)

getReadOnly

protected boolean getReadOnly(javax.servlet.ServletRequest request)

getRequestAttribute

protected String getRequestAttribute(javax.servlet.ServletRequest request)


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