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ExceptionFilter (JBoss Seam API Documentation) - JBoss Seam 1.2.1 API 英文版文档

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org.jboss.seam.web
Class ExceptionFilter

java.lang.Object
  org.jboss.seam.web.AbstractFilter
      org.jboss.seam.web.ExceptionFilter

All Implemented Interfaces:

javax.servlet.Filter

Direct Known Subclasses:

SeamExceptionFilter, SeamExceptionFilter

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@Startup
@Scope(value=APPLICATION)
@Name(value="org.jboss.seam.servlet.exceptionFilter")
@Install(precedence=0)
@Intercept(value=NEVER)
public class ExceptionFilter
extends AbstractFilter

As a last line of defence, rollback uncommitted transactions at the very end of the request.

Author:

Gavin King

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Constructor Summary
ExceptionFilter()

 

Method Summary
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
protected  void	endWebRequestAfterException(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, Exception e)
protected  void	rollbackTransactionIfNecessary()

 

Methods inherited from class org.jboss.seam.web.AbstractFilter
destroy, getServletContext, getUrlPattern, init, setUrlPattern

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

ExceptionFilter

public ExceptionFilter()

Method Detail

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Throws:

IOException

javax.servlet.ServletException

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endWebRequestAfterException

protected void endWebRequestAfterException(javax.servlet.http.HttpServletRequest request,
                                           javax.servlet.http.HttpServletResponse response,
                                           Exception e)
                                    throws javax.servlet.ServletException,
                                           IOException

Throws:

javax.servlet.ServletException

IOException

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rollbackTransactionIfNecessary

protected void rollbackTransactionIfNecessary()

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