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package net.sf.infrared.aspects.servlet; |
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import java.io.IOException; |
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import javax.servlet.Filter; |
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import javax.servlet.FilterChain; |
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import javax.servlet.FilterConfig; |
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import javax.servlet.ServletException; |
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import javax.servlet.ServletRequest; |
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import javax.servlet.ServletResponse; |
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import javax.servlet.http.HttpServletRequest; |
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import net.sf.infrared.agent.MonitorFacade; |
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import net.sf.infrared.agent.MonitorFactory; |
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import net.sf.infrared.base.model.ExecutionContext; |
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import net.sf.infrared.base.model.ExecutionTimer; |
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import net.sf.infrared.base.util.LoggingFactory; |
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import org.apache.log4j.Logger; |
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public class InfraREDServletFilter implements Filter { |
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private static final Logger log = LoggingFactory.getLogger(InfraREDServletFilter.class); |
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public InfraREDServletFilter() { |
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log.debug("Created InfraREDServletFilter"); |
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} |
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) |
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throws IOException, ServletException { |
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log.debug("Invoked InfraREDServletFilter"); |
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if (request instanceof HttpServletRequest) { |
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HttpServletRequest httpReq = (HttpServletRequest) request; |
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String uri = httpReq.getRequestURI(); |
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if (log.isDebugEnabled()) { |
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log.debug("This is an HTTP request InfraREDServletFilter, so capturing the URI " + uri); |
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} |
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ExecutionContext ctx = new ServletContext(uri); |
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ExecutionTimer timer = new ExecutionTimer(ctx); |
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MonitorFacade facade = MonitorFactory.getFacade(); |
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facade.recordExecutionBegin(timer); |
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chain.doFilter(request, response); |
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facade.recordExecutionEnd(timer); |
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} else { |
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log.debug("This is not an HTTP request InfraREDServletFilter, so ignoring"); |
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chain.doFilter(request, response); |
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} |
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} |
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public void init(FilterConfig filterConfig) throws ServletException { |
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log.debug("Initialized InfraREDServletFilter"); |
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} |
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public void destroy() { |
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log.debug("Destroyed InfraREDServletFilter"); |
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} |
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} |