Package org.apache.tomcat.util.compat
Class Jre12Compat
java.lang.Object
org.apache.tomcat.util.compat.JreCompat
org.apache.tomcat.util.compat.Jre12Compat
- Direct Known Subclasses:
Jre19Compat
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Field Summary
Fields inherited from class org.apache.tomcat.util.compat.JreCompat
canonCachesDisabled, canonCachesDisabledLock, getApplicationProtocolMethod, setApplicationProtocolsMethod, USE_CANON_CACHES_CMD_ARG, useCanonCachesField, useCanonCachesFieldLock -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidaddBootModulePath(Deque<URL> classPathUrlsToProcess) Obtains the URLs for all the JARs on the module path when the JVM starts and adds them to the provided Deque.booleancanAccess(Object base, AccessibleObject accessibleObject) Is the accessibleObject accessible (as a result of appropriate module exports) on the provided instance?voidDisables caching for JAR URL connections.protected voidgetModuleName(Class<?> type) What is the module of the given class?booleanbooleanisExported(Class<?> type) Is the given class in an exported package?booleanTest if the provided exception is an instance of java.lang.reflect.InaccessibleObjectException.booleanjarFileIsMultiRelease(JarFile jarFile) Is this JarFile a multi-release JAR file.Creates a new JarFile instance.intMethods inherited from class org.apache.tomcat.util.compat.JreCompat
callAs, createVirtualThreadBuilder, disableCanonCaches, getApplicationProtocol, getExecutor, getInstance, getUnixDomainSocketAddress, isAlpnSupported, isGraalAvailable, isJre11Available, isJre12Available, isJre16Available, isJre19Available, isJre21Available, isJre22Available, isJre9Available, jarFileNewInstance, openUnixDomainServerSocketChannel, openUnixDomainSocketChannel, setApplicationProtocols, threadBuilderStart
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Constructor Details
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Jre12Compat
public Jre12Compat()
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Method Details
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isCanonCachesDisabled
public boolean isCanonCachesDisabled()- Overrides:
isCanonCachesDisabledin classJreCompat
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ensureUseCanonCachesFieldIsPopulated
protected void ensureUseCanonCachesFieldIsPopulated()- Overrides:
ensureUseCanonCachesFieldIsPopulatedin classJreCompat
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isInstanceOfInaccessibleObjectException
Description copied from class:JreCompatTest if the provided exception is an instance of java.lang.reflect.InaccessibleObjectException.- Overrides:
isInstanceOfInaccessibleObjectExceptionin classJreCompat- Parameters:
t- The exception to test- Returns:
trueif the exception is an instance of InaccessibleObjectException, otherwisefalse
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disableCachingForJarUrlConnections
Description copied from class:JreCompatDisables caching for JAR URL connections. For Java 8 and earlier, this also disables caching for ALL URL connections.- Overrides:
disableCachingForJarUrlConnectionsin classJreCompat- Throws:
IOException- If a dummy JAR URLConnection can not be created
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addBootModulePath
Description copied from class:JreCompatObtains the URLs for all the JARs on the module path when the JVM starts and adds them to the provided Deque.- Overrides:
addBootModulePathin classJreCompat- Parameters:
classPathUrlsToProcess- The Deque to which the modules should be added
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jarFileNewInstance
Description copied from class:JreCompatCreates a new JarFile instance. When running on Java 9 and later, the JarFile will be multi-release JAR aware.- Overrides:
jarFileNewInstancein classJreCompat- Parameters:
f- The JAR file to open- Returns:
- A JarFile instance based on the provided file
- Throws:
IOException- If an I/O error occurs creating the JarFile instance
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jarFileIsMultiRelease
Description copied from class:JreCompatIs this JarFile a multi-release JAR file.- Overrides:
jarFileIsMultiReleasein classJreCompat- Parameters:
jarFile- The JarFile to test- Returns:
trueIf it is a multi-release JAR file and is configured to behave as such.
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jarFileRuntimeMajorVersion
public int jarFileRuntimeMajorVersion()- Overrides:
jarFileRuntimeMajorVersionin classJreCompat
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canAccess
Description copied from class:JreCompatIs the accessibleObject accessible (as a result of appropriate module exports) on the provided instance? -
isExported
Description copied from class:JreCompatIs the given class in an exported package?- Overrides:
isExportedin classJreCompat- Parameters:
type- The class to test- Returns:
- Always
truefor Java 8.trueif the enclosing package is exported for Java 9+
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getModuleName
Description copied from class:JreCompatWhat is the module of the given class?- Overrides:
getModuleNamein classJreCompat- Parameters:
type- The class to test- Returns:
- Always
truefor Java 8.trueif the enclosing package is exported for Java 9+
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