Class ReqContextFilter
java.lang.Object
org.apache.storm.daemon.drpc.webapp.ReqContextFilter
- All Implemented Interfaces:
javax.servlet.Filter
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoiddestroy()voiddoFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) A filter which populates the request if it is null and then passes it on to the next entity in the chain.voidhandle(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain chain) A method used by doFilter which populates the request if it is null and then passes it on to the next entity in the chain.voidinit(javax.servlet.FilterConfig config) voidpopulateContext(javax.servlet.http.HttpServletRequest request) Populate the Storm RequestContext from an servlet request.
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Constructor Details
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ReqContextFilter
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Method Details
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populateContext
public void populateContext(javax.servlet.http.HttpServletRequest request) Populate the Storm RequestContext from an servlet request. This should be called in each handler- Parameters:
request- the request to populate
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init
public void init(javax.servlet.FilterConfig config) throws javax.servlet.ServletException - Specified by:
initin interfacejavax.servlet.Filter- Throws:
javax.servlet.ServletException
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doFilter
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException A filter which populates the request if it is null and then passes it on to the next entity in the chain.- Specified by:
doFilterin interfacejavax.servlet.Filter- Parameters:
request- the request to populateresponse- the response to populatechain- the next chain of entities to pass the object to- Throws:
IOExceptionjavax.servlet.ServletException
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handle
public void handle(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException A method used by doFilter which populates the request if it is null and then passes it on to the next entity in the chain.- Parameters:
request- the request to populateresponse- the response to populatechain- the next chain of entities to pass the object to- Throws:
IOExceptionjavax.servlet.ServletException
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destroy
public void destroy()- Specified by:
destroyin interfacejavax.servlet.Filter
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