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11 package ch.qos.logback.classic.selector.servlet;
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13 import java.io.IOException;
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15 import javax.servlet.Filter;
16 import javax.servlet.FilterChain;
17 import javax.servlet.FilterConfig;
18 import javax.servlet.ServletException;
19 import javax.servlet.ServletRequest;
20 import javax.servlet.ServletResponse;
21
22 import org.slf4j.LoggerFactory;
23 import org.slf4j.impl.StaticLoggerBinder;
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25 import ch.qos.logback.classic.LoggerContext;
26 import ch.qos.logback.classic.selector.ContextJNDISelector;
27 import ch.qos.logback.classic.selector.ContextSelector;
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50 public class LoggerContextFilter implements Filter {
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52 public void destroy() {
53
54 }
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56 public void doFilter(ServletRequest request, ServletResponse response,
57 FilterChain chain) throws IOException, ServletException {
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59 LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
60 ContextSelector selector = StaticLoggerBinder.getSingleton().getContextSelector();
61 ContextJNDISelector sel = null;
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63 if (selector instanceof ContextJNDISelector) {
64 sel = (ContextJNDISelector)selector;
65 sel.setLocalContext(lc);
66 }
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68 try {
69 chain.doFilter(request, response);
70 } finally {
71 if (sel != null) {
72 sel.removeLocalContext();
73 }
74 }
75 }
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77 public void init(FilterConfig arg0) throws ServletException {
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79 }
80 }