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package org.mule.module.logging; |
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import java.lang.ref.PhantomReference; |
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import java.lang.ref.ReferenceQueue; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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import org.apache.log4j.LogManager; |
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import org.slf4j.ILoggerFactory; |
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import org.slf4j.Logger; |
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public class MuleLoggerFactory implements ILoggerFactory |
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{ |
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public static final String LOG_HANDLER_THREAD_NAME = "Mule.log.slf4j.ref.handler"; |
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25 | 0 | protected static final Integer NO_CCL_CLASSLOADER = 0; |
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27 | 0 | protected ConcurrentMap<Integer, ConcurrentMap<String, Logger>> repository = new ConcurrentHashMap<Integer, ConcurrentMap<String, Logger>>(); |
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29 | 0 | protected ReferenceQueue<ClassLoader> referenceQueue = new ReferenceQueue<ClassLoader>(); |
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31 | 0 | protected Map<PhantomReference<ClassLoader>, Integer> refs = new HashMap<PhantomReference<ClassLoader>, Integer>(); |
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public MuleLoggerFactory() |
34 | 0 | { |
35 | 0 | if (MuleUtils.isStandalone()) |
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{ |
37 | 0 | createLoggerReferenceHandler(); |
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} |
39 | 0 | } |
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protected void createLoggerReferenceHandler() |
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{ |
43 | 0 | new LoggerReferenceHandler(LOG_HANDLER_THREAD_NAME, referenceQueue, refs, repository); |
44 | 0 | } |
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public Logger getLogger(String name) |
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{ |
48 | 0 | final ClassLoader ccl = Thread.currentThread().getContextClassLoader(); |
49 | 0 | return getLogger(name, ccl); |
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} |
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public Logger getLogger(String name, ClassLoader classLoader) |
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{ |
54 | 0 | ConcurrentMap<String, Logger> loggerMap = repository.get(classLoader == null ? NO_CCL_CLASSLOADER : classLoader.hashCode()); |
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|
56 | 0 | if (loggerMap == null) |
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{ |
58 | 0 | loggerMap = new ConcurrentHashMap<String, Logger>(); |
59 | 0 | final ConcurrentMap<String, Logger> previous = repository.putIfAbsent(classLoader == null ? NO_CCL_CLASSLOADER : classLoader.hashCode(), loggerMap); |
60 | 0 | if (previous != null) |
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{ |
62 | 0 | loggerMap = previous; |
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} |
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65 | 0 | if (classLoader != null) |
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{ |
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68 | 0 | refs.put(new PhantomReference<ClassLoader>(classLoader, referenceQueue), classLoader.hashCode()); |
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} |
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} |
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72 | 0 | Logger slf4jLogger = loggerMap.get(name); |
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|
74 | 0 | if (slf4jLogger == null) |
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{ |
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org.apache.log4j.Logger log4jLogger; |
77 | 0 | if (name.equalsIgnoreCase(Logger.ROOT_LOGGER_NAME)) |
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{ |
79 | 0 | log4jLogger = LogManager.getRootLogger(); |
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} |
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else |
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{ |
83 | 0 | log4jLogger = LogManager.getLogger(name); |
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} |
85 | 0 | slf4jLogger = new DispatchingLogger(new AccessibleLog4jLoggerAdapter(log4jLogger), this); |
86 | 0 | final Logger previous = loggerMap.putIfAbsent(name, slf4jLogger); |
87 | 0 | if (previous != null) |
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{ |
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90 | 0 | slf4jLogger = previous; |
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} |
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} |
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94 | 0 | return slf4jLogger; |
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} |
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} |