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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.commons.logging.Log; |
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import org.apache.commons.logging.LogConfigurationException; |
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import org.apache.commons.logging.impl.MuleLocationAwareLog; |
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import org.apache.commons.logging.impl.MuleLog; |
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import org.apache.commons.logging.impl.SLF4JLogFactory; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.slf4j.spi.LocationAwareLogger; |
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public class MuleLogFactory extends SLF4JLogFactory |
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{ |
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public static final String LOG_HANDLER_THREAD_NAME = "Mule.log.clogging.ref.handler"; |
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30 | 0 | protected ConcurrentHashMap<Integer, ConcurrentMap<String, Log>> repository = new ConcurrentHashMap<Integer, ConcurrentMap<String, Log>>(); |
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32 | 0 | protected static final Integer NO_CCL_CLASSLOADER = 0; |
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34 | 0 | protected ReferenceQueue<ClassLoader> referenceQueue = new ReferenceQueue<ClassLoader>(); |
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36 | 0 | protected Map<PhantomReference<ClassLoader>, Integer> refs = new HashMap<PhantomReference<ClassLoader>, Integer>(); |
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public MuleLogFactory() |
39 | 0 | { |
40 | 0 | if (MuleUtils.isStandalone()) |
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{ |
42 | 0 | createLoggerReferenceHandler(); |
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} |
44 | 0 | } |
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protected void createLoggerReferenceHandler() |
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{ |
48 | 0 | new LoggerReferenceHandler(LOG_HANDLER_THREAD_NAME, referenceQueue, refs, repository); |
49 | 0 | } |
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public Log getInstance(String name) throws LogConfigurationException |
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{ |
53 | 0 | final ClassLoader ccl = Thread.currentThread().getContextClassLoader(); |
54 | 0 | ConcurrentMap<String, Log> loggerMap = repository.get(ccl == null ? NO_CCL_CLASSLOADER : ccl.hashCode()); |
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|
56 | 0 | if (loggerMap == null) |
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{ |
58 | 0 | loggerMap = new ConcurrentHashMap<String, Log>(); |
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60 | 0 | final ConcurrentMap<String, Log> previous = repository.putIfAbsent(ccl == null ? NO_CCL_CLASSLOADER : ccl.hashCode(), loggerMap); |
61 | 0 | if (previous != null) |
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{ |
63 | 0 | loggerMap = previous; |
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} |
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|
66 | 0 | if (ccl != null) |
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{ |
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69 | 0 | refs.put(new PhantomReference<ClassLoader>(ccl, referenceQueue), ccl.hashCode()); |
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} |
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} |
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74 | 0 | Log instance = loggerMap.get(name); |
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|
76 | 0 | if (instance == null) |
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{ |
78 | 0 | Logger logger = LoggerFactory.getLogger(name); |
79 | 0 | if (logger instanceof LocationAwareLogger) |
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{ |
81 | 0 | instance = new MuleLocationAwareLog((LocationAwareLogger) logger); |
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} |
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else |
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{ |
85 | 0 | instance = new MuleLog(logger); |
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} |
87 | 0 | final Log previous = loggerMap.putIfAbsent(name, instance); |
88 | 0 | if (previous != null) |
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{ |
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91 | 0 | instance = previous; |
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} |
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} |
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95 | 0 | return instance; |
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} |
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} |