Formatting
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Robinson
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56fbe73985
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@ -37,40 +37,108 @@ import java.util.*
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object ClassUtils {
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/** Suffix for array class names: `"[]"`. */
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const val ARRAY_SUFFIX = "[]"
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/** Prefix for internal array class names: `"["`. */
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private const val INTERNAL_ARRAY_PREFIX = "["
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/** Prefix for internal non-primitive array class names: `"[L"`. */
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private const val NON_PRIMITIVE_ARRAY_PREFIX = "[L"
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/** The package separator character: `'.'`. */
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private const val PACKAGE_SEPARATOR = '.'
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/** The inner class separator character: `'$'`. */
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private const val INNER_CLASS_SEPARATOR = '$'
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/**
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* Map with primitive wrapper type as key and corresponding primitive
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* type as value, for example: Integer.class -> int.class.
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*/
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private val primitiveWrapperTypeMap: MutableMap<Class<*>, Class<*>?> = IdentityHashMap(8)
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/**
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* Map with primitive type as key and corresponding wrapper
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* type as value, for example: int.class -> Integer.class.
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*/
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private val primitiveTypeToWrapperMap: MutableMap<Class<*>, Class<*>> = IdentityHashMap(8)
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/**
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* Map with primitive type name as key and corresponding primitive
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* type as value, for example: "int" -> "int.class".
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*/
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private val primitiveTypeNameMap: MutableMap<String, Class<*>> = HashMap(32)
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/**
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* Map with common Java language class name as key and corresponding Class as value.
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* Primarily for efficient deserialization of remote invocations.
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*/
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private val commonClassCache: MutableMap<String, Class<*>> = HashMap(64)
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/**
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* Common Java language interfaces which are supposed to be ignored
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* when searching for 'primary' user-level interfaces.
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*/
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private var javaLanguageInterfaces: Set<Class<*>>? = null
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init {
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primitiveWrapperTypeMap[Boolean::class.java] = Boolean::class.javaPrimitiveType
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primitiveWrapperTypeMap[Byte::class.java] = Byte::class.javaPrimitiveType
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primitiveWrapperTypeMap[Char::class.java] = Char::class.javaPrimitiveType
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primitiveWrapperTypeMap[Double::class.java] = Double::class.javaPrimitiveType
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primitiveWrapperTypeMap[Float::class.java] = Float::class.javaPrimitiveType
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primitiveWrapperTypeMap[Int::class.java] = Int::class.javaPrimitiveType
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primitiveWrapperTypeMap[Long::class.java] = Long::class.javaPrimitiveType
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primitiveWrapperTypeMap[Short::class.java] = Short::class.javaPrimitiveType
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primitiveWrapperTypeMap[Void::class.java] = Void.TYPE
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// Map entry iteration is less expensive to initialize than forEach with lambdas
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for ((key, value) in primitiveWrapperTypeMap) {
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primitiveTypeToWrapperMap[value as Class<*>] = key
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registerCommonClasses(key)
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}
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val primitiveTypes = mutableSetOf<Class<*>>()
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@Suppress("UNCHECKED_CAST")
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primitiveTypes.addAll(primitiveWrapperTypeMap.values as Collection<Class<*>>)
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Collections.addAll(primitiveTypes, BooleanArray::class.java, ByteArray::class.java, CharArray::class.java,
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DoubleArray::class.java, FloatArray::class.java, IntArray::class.java, LongArray::class.java, ShortArray::class.java)
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primitiveTypes.add(Void.TYPE)
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for (primitiveType in primitiveTypes) {
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primitiveTypeNameMap[primitiveType.name] = primitiveType
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}
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registerCommonClasses(Array<Boolean>::class.java, Array<Byte>::class.java, Array<Char>::class.java, Array<Double>::class.java,
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Array<Float>::class.java, Array<Int>::class.java, Array<Long>::class.java, Array<Short>::class.java)
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registerCommonClasses(Number::class.java, Array<Number>::class.java, String::class.java, Array<String>::class.java,
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Class::class.java, emptyArray<Class<*>>().javaClass, Any::class.java, Array<Any>::class.java)
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registerCommonClasses(Throwable::class.java, Exception::class.java, RuntimeException::class.java,
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Error::class.java, StackTraceElement::class.java, Array<StackTraceElement>::class.java)
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registerCommonClasses(Enum::class.java, Iterable::class.java, MutableIterator::class.java, Enumeration::class.java,
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MutableCollection::class.java, MutableList::class.java, MutableSet::class.java, MutableMap::class.java, MutableMap.MutableEntry::class.java, Optional::class.java)
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val javaLanguageInterfaceArray = arrayOf(
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Serializable::class.java, Externalizable::class.java,
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Closeable::class.java, AutoCloseable::class.java, Cloneable::class.java, Comparable::class.java)
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registerCommonClasses(*javaLanguageInterfaceArray)
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javaLanguageInterfaces = HashSet(listOf(*javaLanguageInterfaceArray))
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}
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/**
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* Register the given common classes with the ClassUtils cache.
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*/
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@ -93,9 +161,8 @@ object ClassUtils {
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* @throws LinkageError if the class file could not be loaded
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* @see Class.forName
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*/
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@JvmStatic
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@Throws(ClassNotFoundException::class, LinkageError::class)
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fun forName(name: String, classLoader: ClassLoader?): Class<*> {
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fun forName(name: String, classLoader: ClassLoader? = null): Class<*> {
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var clazz = resolvePrimitiveClassName(name)
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if (clazz == null) {
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clazz = commonClassCache[name]
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@ -188,50 +255,4 @@ object ClassUtils {
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fun createCompositeInterface(interfaces: Array<Class<*>?>, classLoader: ClassLoader?): Class<*> {
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return Proxy.getProxyClass(classLoader, *interfaces)
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}
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init {
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primitiveWrapperTypeMap[Boolean::class.java] = Boolean::class.javaPrimitiveType
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primitiveWrapperTypeMap[Byte::class.java] = Byte::class.javaPrimitiveType
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primitiveWrapperTypeMap[Char::class.java] = Char::class.javaPrimitiveType
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primitiveWrapperTypeMap[Double::class.java] = Double::class.javaPrimitiveType
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primitiveWrapperTypeMap[Float::class.java] = Float::class.javaPrimitiveType
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primitiveWrapperTypeMap[Int::class.java] = Int::class.javaPrimitiveType
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primitiveWrapperTypeMap[Long::class.java] = Long::class.javaPrimitiveType
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primitiveWrapperTypeMap[Short::class.java] = Short::class.javaPrimitiveType
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primitiveWrapperTypeMap[Void::class.java] = Void.TYPE
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// Map entry iteration is less expensive to initialize than forEach with lambdas
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for ((key, value) in primitiveWrapperTypeMap) {
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primitiveTypeToWrapperMap[value as Class<*>] = key
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registerCommonClasses(key)
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}
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val primitiveTypes = mutableSetOf<Class<*>>()
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@Suppress("UNCHECKED_CAST")
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primitiveTypes.addAll(primitiveWrapperTypeMap.values as Collection<Class<*>>)
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Collections.addAll(primitiveTypes, BooleanArray::class.java, ByteArray::class.java, CharArray::class.java,
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DoubleArray::class.java, FloatArray::class.java, IntArray::class.java, LongArray::class.java, ShortArray::class.java)
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primitiveTypes.add(Void.TYPE)
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for (primitiveType in primitiveTypes) {
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primitiveTypeNameMap[primitiveType.getName()] = primitiveType
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}
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registerCommonClasses(Array<Boolean>::class.java, Array<Byte>::class.java, Array<Char>::class.java, Array<Double>::class.java,
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Array<Float>::class.java, Array<Int>::class.java, Array<Long>::class.java, Array<Short>::class.java)
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registerCommonClasses(Number::class.java, Array<Number>::class.java, String::class.java, Array<String>::class.java,
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Class::class.java, emptyArray<Class<*>>().javaClass, Any::class.java, Array<Any>::class.java)
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registerCommonClasses(Throwable::class.java, Exception::class.java, RuntimeException::class.java,
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Error::class.java, StackTraceElement::class.java, Array<StackTraceElement>::class.java)
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registerCommonClasses(Enum::class.java, Iterable::class.java, MutableIterator::class.java, Enumeration::class.java,
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MutableCollection::class.java, MutableList::class.java, MutableSet::class.java, MutableMap::class.java, MutableMap.MutableEntry::class.java, Optional::class.java)
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val javaLanguageInterfaceArray = arrayOf(Serializable::class.java, Externalizable::class.java,
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Closeable::class.java, AutoCloseable::class.java, Cloneable::class.java, Comparable::class.java)
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registerCommonClasses(*javaLanguageInterfaceArray)
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javaLanguageInterfaces = HashSet(Arrays.asList(*javaLanguageInterfaceArray))
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}
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}
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