Showing the changes to java/pkg/sun/reflect/generics/factory/CoreReflectionFactory.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.reflect.generics.factory; | |
| 27 | + | |
| 28 | +import java.lang.reflect.Array; | |
| 29 | +import java.lang.reflect.Constructor; | |
| 30 | +import java.lang.reflect.GenericDeclaration; | |
| 31 | +import java.lang.reflect.Method; | |
| 32 | +import java.lang.reflect.ParameterizedType; | |
| 33 | +import java.lang.reflect.Type; | |
| 34 | +import java.lang.reflect.TypeVariable; | |
| 35 | +import java.lang.reflect.WildcardType; | |
| 36 | + | |
| 37 | + | |
| 38 | +import sun.reflect.generics.reflectiveObjects.*; | |
| 39 | +import sun.reflect.generics.scope.Scope; | |
| 40 | +import sun.reflect.generics.tree.FieldTypeSignature; | |
| 41 | + | |
| 42 | + | |
| 43 | +/** | |
| 44 | + * Factory for reflective generic type objects for use by | |
| 45 | + * core reflection (java.lang.reflect). | |
| 46 | + */ | |
| 47 | +public class CoreReflectionFactory implements GenericsFactory { | |
| 48 | + private GenericDeclaration decl; | |
| 49 | + private Scope scope; | |
| 50 | + | |
| 51 | + private CoreReflectionFactory(GenericDeclaration d, Scope s) { | |
| 52 | + decl = d; | |
| 53 | + scope = s; | |
| 54 | + } | |
| 55 | + | |
| 56 | + private GenericDeclaration getDecl(){ return decl;} | |
| 57 | + | |
| 58 | + private Scope getScope(){ return scope;} | |
| 59 | + | |
| 60 | + | |
| 61 | + private ClassLoader getDeclsLoader() { | |
| 62 | + if (decl instanceof Class) {return ((Class) decl).getClassLoader();} | |
| 63 | + if (decl instanceof Method) { | |
| 64 | + return ((Method) decl).getDeclaringClass().getClassLoader(); | |
| 65 | + } | |
| 66 | + assert decl instanceof Constructor : "Constructor expected"; | |
| 67 | + return ((Constructor) decl).getDeclaringClass().getClassLoader(); | |
| 68 | + | |
| 69 | + } | |
| 70 | + | |
| 71 | + /** | |
| 72 | + * Factory for this class. Returns an instance of | |
| 73 | + * <tt>CoreReflectionFactory</tt> for the declaration and scope | |
| 74 | + * provided. | |
| 75 | + * This factory will produce reflective objects of the appropriate | |
| 76 | + * kind. Classes produced will be those that would be loaded by the | |
| 77 | + * defining class loader of the declaration <tt>d</tt> (if <tt>d</tt> | |
| 78 | + * is a type declaration, or by the defining loader of the declaring | |
| 79 | + * class of <tt>d</tt> otherwise. | |
| 80 | + * <p> Type variables will be created or lookup as necessary in the | |
| 81 | + * scope <tt> s</tt>. | |
| 82 | + * @param d - the generic declaration (class, interface, method or | |
| 83 | + * constructor) that thsi factory services | |
| 84 | + * @param s the scope in which the factory will allocate and search for | |
| 85 | + * type variables | |
| 86 | + * @return an instance of <tt>CoreReflectionFactory</tt> | |
| 87 | + */ | |
| 88 | + public static CoreReflectionFactory make(GenericDeclaration d, Scope s) { | |
| 89 | + return new CoreReflectionFactory(d, s); | |
| 90 | + } | |
| 91 | + | |
| 92 | + public TypeVariable<?> makeTypeVariable(String name, | |
| 93 | + FieldTypeSignature[] bounds){ | |
| 94 | + return TypeVariableImpl.make(getDecl(), name, bounds, this); | |
| 95 | + } | |
| 96 | + | |
| 97 | + public WildcardType makeWildcard(FieldTypeSignature[] ubs, | |
| 98 | + FieldTypeSignature[] lbs) { | |
| 99 | + return WildcardTypeImpl.make(ubs, lbs, this); | |
| 100 | + } | |
| 101 | + | |
| 102 | + public ParameterizedType makeParameterizedType(Type declaration, | |
| 103 | + Type[] typeArgs, | |
| 104 | + Type owner) { | |
| 105 | + return ParameterizedTypeImpl.make((Class<?>) declaration, | |
| 106 | + typeArgs, owner); | |
| 107 | + } | |
| 108 | + | |
| 109 | + public TypeVariable<?> findTypeVariable(String name){ | |
| 110 | + return getScope().lookup(name); | |
| 111 | + } | |
| 112 | + | |
| 113 | + public Type makeNamedType(String name){ | |
| 114 | + try {return Class.forName(name, false, // don't initialize | |
| 115 | + getDeclsLoader());} | |
| 116 | + catch (ClassNotFoundException c) { | |
| 117 | + throw new TypeNotPresentException(name, c); | |
| 118 | + } | |
| 119 | + } | |
| 120 | + | |
| 121 | + public Type makeArrayType(Type componentType){ | |
| 122 | + if (componentType instanceof Class<?>) | |
| 123 | + return Array.newInstance((Class<?>) componentType, 0).getClass(); | |
| 124 | + else | |
| 125 | + return GenericArrayTypeImpl.make(componentType); | |
| 126 | + } | |
| 127 | + | |
| 128 | + public Type makeByte(){return byte.class;} | |
| 129 | + public Type makeBool(){return boolean.class;} | |
| 130 | + public Type makeShort(){return short.class;} | |
| 131 | + public Type makeChar(){return char.class;} | |
| 132 | + public Type makeInt(){return int.class;} | |
| 133 | + public Type makeLong(){return long.class;} | |
| 134 | + public Type makeFloat(){return float.class;} | |
| 135 | + public Type makeDouble(){return double.class;} | |
| 136 | + | |
| 137 | + public Type makeVoid(){return void.class;} | |
| 138 | +} | |