Siphalor/tweed5-commons-logging
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This commit is contained in:
Gary Gregory
2024-08-15 07:29:24 -04:00
parent d4f72cdce4
commit 9fb30f8541
1 changed files with 39 additions and 39 deletions
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78
src/main/java/org/apache/commons/logging/LogFactory.java
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@@ -1405,45 +1405,6 @@ public abstract class LogFactory {
return newFactory(factoryClass, classLoader, null); return newFactory(factoryClass, classLoader, null);
} }
/**
* Tries to load one of the standard three implementations from the given classloader.
* <p>
* We assume that {@code classLoader} can load this class.
* </p>
* @param classLoader The classloader to use.
* @return An implementation of this class.
*/
private static LogFactory newStandardFactory(final ClassLoader classLoader) {
if (isClassAvailable(LOG4J_TO_SLF4J_BRIDGE, classLoader)) {
try {
return (LogFactory) Class.forName(FACTORY_SLF4J, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic(
"[LOOKUP] Log4j API to SLF4J redirection detected. Loading the SLF4J LogFactory implementation '" + FACTORY_SLF4J + "'.");
}
}
try {
return (LogFactory) Class.forName(FACTORY_LOG4J_API, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the Log4j API LogFactory implementation '" + FACTORY_LOG4J_API + "'.");
}
try {
return (LogFactory) Class.forName(FACTORY_SLF4J, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the SLF4J LogFactory implementation '" + FACTORY_SLF4J + "'.");
}
try {
return (LogFactory) Class.forName(FACTORY_DEFAULT, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the legacy LogFactory implementation '" + FACTORY_DEFAULT + "'.");
}
return null;
}
/** /**
* Gets a new instance of the specified {@code LogFactory} implementation class, loaded by the specified class loader. If that fails, try the class loader * Gets a new instance of the specified {@code LogFactory} implementation class, loaded by the specified class loader. If that fails, try the class loader
* used to load this (abstract) LogFactory. * used to load this (abstract) LogFactory.
@@ -1500,6 +1461,45 @@ public abstract class LogFactory {
return (LogFactory) result; return (LogFactory) result;
} }
/**
* Tries to load one of the standard three implementations from the given classloader.
* <p>
* We assume that {@code classLoader} can load this class.
* </p>
* @param classLoader The classloader to use.
* @return An implementation of this class.
*/
private static LogFactory newStandardFactory(final ClassLoader classLoader) {
if (isClassAvailable(LOG4J_TO_SLF4J_BRIDGE, classLoader)) {
try {
return (LogFactory) Class.forName(FACTORY_SLF4J, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic(
"[LOOKUP] Log4j API to SLF4J redirection detected. Loading the SLF4J LogFactory implementation '" + FACTORY_SLF4J + "'.");
}
}
try {
return (LogFactory) Class.forName(FACTORY_LOG4J_API, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the Log4j API LogFactory implementation '" + FACTORY_LOG4J_API + "'.");
}
try {
return (LogFactory) Class.forName(FACTORY_SLF4J, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the SLF4J LogFactory implementation '" + FACTORY_SLF4J + "'.");
}
try {
return (LogFactory) Class.forName(FACTORY_DEFAULT, true, classLoader).getConstructor().newInstance();
} catch (final LinkageError | ReflectiveOperationException ignored) {
} finally {
logDiagnostic("[LOOKUP] Loading the legacy LogFactory implementation '" + FACTORY_DEFAULT + "'.");
}
return null;
}
/** /**
* Returns a string that uniquely identifies the specified object, including * Returns a string that uniquely identifies the specified object, including
* its class. * its class.