diff options
Diffstat (limited to 'libjava/sun/reflect/annotation')
6 files changed, 626 insertions, 0 deletions
diff --git a/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h new file mode 100644 index 000000000..356c8a029 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.h @@ -0,0 +1,55 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationInvocationHandler__ +#define __sun_reflect_annotation_AnnotationInvocationHandler__ + +#pragma interface + +#include <java/lang/Object.h> +#include <gcj/array.h> + +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationInvocationHandler; + } + } + } +} + +class sun::reflect::annotation::AnnotationInvocationHandler : public ::java::lang::Object +{ + +public: + AnnotationInvocationHandler(::java::lang::Class *, ::java::util::Map *); + static ::java::lang::annotation::Annotation * create(::java::lang::Class *, ::java::util::Map *); + jboolean equals(::java::lang::Object *, ::java::lang::Object *); +private: + static jboolean deepEquals(::java::lang::Object *, ::java::lang::Object *); + static jint deepHashCode(::java::lang::Object *); +public: + jint hashCode(); +private: + static ::java::lang::String * deepToString(::java::lang::Object *); +public: + ::java::lang::String * toString(); +private: + static ::java::lang::Class * getBoxedReturnType(::java::lang::reflect::Method *); + ::java::lang::Object * coerce(::java::lang::Object *, ::java::lang::Class *); +public: + ::java::lang::Object * invoke(::java::lang::Object *, ::java::lang::reflect::Method *, JArray< ::java::lang::Object * > *); +private: + static const jlong serialVersionUID = 6182022883658399397LL; + ::java::lang::Class * __attribute__((aligned(__alignof__( ::java::lang::Object)))) type; + ::java::util::Map * memberValues; +public: + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationInvocationHandler__ diff --git a/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java new file mode 100644 index 000000000..f883faa16 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationInvocationHandler.java @@ -0,0 +1,441 @@ +/* sun.reflect.annotation.AnnotationInvocationHandler + Copyright (C) 2006, 2007 + Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package sun.reflect.annotation; + +import java.io.Serializable; +import java.lang.annotation.Annotation; +import java.lang.annotation.AnnotationTypeMismatchException; +import java.lang.annotation.IncompleteAnnotationException; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.lang.reflect.Array; +import java.util.Arrays; +import java.util.Iterator; +import java.util.Map; + +/** + * This class exists for serialization compatibility with the JDK. + * VMs can choose to implement annotations by constructing proxies + * with this invocation handler, but that is not required. + * If a different strategy for proxy objects is chosen, they can + * have a writeReplace method to substitute a Proxy based on this + * invocation handler is used for serialization. + */ +public final class AnnotationInvocationHandler + implements InvocationHandler, Serializable +{ + private static final long serialVersionUID = 6182022883658399397L; + private final Class<? extends Annotation> type; + private final Map<String, ?> memberValues; + + /** + * Construct a new invocation handler for an annotation proxy. + * Note that the VM is responsible for filling the memberValues map + * with the default values of all the annotation members. + */ + public AnnotationInvocationHandler(Class<? extends Annotation> type, Map memberValues) + { + this.type = type; + this.memberValues = (Map<String, ?>)memberValues; + } + + public static Annotation create(Class<? extends Annotation> type, Map memberValues) + { + for (Method m : type.getDeclaredMethods()) + { + String name = m.getName(); + if (! memberValues.containsKey(name)) + { + // FIXME: what to do about exceptions here? + memberValues.put(name, m.getDefaultValue()); + } + } + AnnotationInvocationHandler handler + = new AnnotationInvocationHandler(type, memberValues); + return (Annotation) Proxy.newProxyInstance(type.getClassLoader(), + new Class[] { type }, + handler); + } + + /** + * Compare an instance of AnnotationInvocationHandler with another object. + * Note that the other object does not have to be an + * AnnotationInvocationHandler, any implementation of the annotation + * interface is allowed to be compared for equality. + * Note that this makes the equals method asymmetric, but this behavior + * is specified by Annotation.equals and identical to the JDK. + * + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public boolean equals(Object proxy, Object other) + { + if (type.isInstance(other)) + { + try + { + Method[] methods = type.getDeclaredMethods(); + if (methods.length == memberValues.size()) + { + for (int i = 0; i < methods.length; i++) + { + String key = methods[i].getName(); + Object val = methods[i].invoke(other, (Object[])null); + Object thisVal + = invoke(proxy, + methods[i], + (Object[])null); + if (! deepEquals(thisVal, val)) + { + return false; + } + } + return true; + } + } + catch (Throwable _) + { + // Ignore exception, like the JDK + } + } + return false; + } + + private static boolean deepEquals(Object o1, Object o2) + { + if (o1 == o2) + return true; + + if (o1 == null || o2 == null) + return false; + + if (o1 instanceof boolean[] && o2 instanceof boolean[]) + return Arrays.equals((boolean[]) o1, (boolean[]) o2); + + if (o1 instanceof byte[] && o2 instanceof byte[]) + return Arrays.equals((byte[]) o1, (byte[]) o2); + + if (o1 instanceof char[] && o2 instanceof char[]) + return Arrays.equals((char[]) o1, (char[]) o2); + + if (o1 instanceof short[] && o2 instanceof short[]) + return Arrays.equals((short[]) o1, (short[]) o2); + + if (o1 instanceof int[] && o2 instanceof int[]) + return Arrays.equals((int[]) o1, (int[]) o2); + + if (o1 instanceof float[] && o2 instanceof float[]) + return Arrays.equals((float[]) o1, (float[]) o2); + + if (o1 instanceof long[] && o2 instanceof long[]) + return Arrays.equals((long[]) o1, (long[]) o2); + + if (o1 instanceof double[] && o2 instanceof double[]) + return Arrays.equals((double[]) o1, (double[]) o2); + + if (o1 instanceof Object[] && o2 instanceof Object[]) + return Arrays.equals((Object[]) o1, (Object[]) o2); + + return o1.equals(o2); + } + + private static int deepHashCode(Object obj) + { + if (obj instanceof boolean[]) + return Arrays.hashCode((boolean[]) obj); + + if (obj instanceof byte[]) + return Arrays.hashCode((byte[]) obj); + + if (obj instanceof char[]) + return Arrays.hashCode((char[]) obj); + + if (obj instanceof short[]) + return Arrays.hashCode((short[]) obj); + + if (obj instanceof int[]) + return Arrays.hashCode((int[]) obj); + + if (obj instanceof float[]) + return Arrays.hashCode((float[]) obj); + + if (obj instanceof long[]) + return Arrays.hashCode((long[]) obj); + + if (obj instanceof double[]) + return Arrays.hashCode((double[]) obj); + + if (obj instanceof Object[]) + return Arrays.hashCode((Object[]) obj); + + return obj.hashCode(); + } + + /** + * Compute the hashCode for an annotation. Note that the algorithm is + * specified by Annotation.hashCode. + * + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public int hashCode() + { + int h = 0; + Iterator iter = memberValues.keySet().iterator(); + while (iter.hasNext()) + { + Object key = iter.next(); + try + { + Object val + = invoke(null, + type.getDeclaredMethod((String)key, (Class[])null), + (Object[])null); + h += deepHashCode(val) ^ 127 * key.hashCode(); + } + catch (Throwable _) + { + } + } + return h; + } + + private static String deepToString(Object obj) + { + if (obj instanceof Object[]) + return Arrays.toString((Object[]) obj); + + return obj.toString(); + } + + /** + * This method is public for use by other parts of the VM. Some VMs + * (can) use different representations of annotations that reuse this + * method. + */ + public String toString() + { + StringBuffer sb = new StringBuffer(); + sb.append('@').append(type.getName()).append('('); + String sep = ""; + Iterator iter = memberValues.keySet().iterator(); + while (iter.hasNext()) + { + Object key = iter.next(); + Object val = memberValues.get(key); + sb.append(sep).append(key).append('=').append(deepToString(val)); + sep = ", "; + } + sb.append(')'); + return sb.toString(); + } + + + private static Class getBoxedReturnType(Method method) + { + Class returnType = method.getReturnType(); + + if (returnType == boolean.class) + return Boolean.class; + + if (returnType == byte.class) + return Byte.class; + + if (returnType == char.class) + return Character.class; + + if (returnType == short.class) + return Short.class; + + if (returnType == int.class) + return Integer.class; + + if (returnType == float.class) + return Float.class; + + if (returnType == long.class) + return Long.class; + + if (returnType == double.class) + return Double.class; + + return returnType; + } + + // This is slightly awkward. When the value of an annotation is an + // array, libgcj constructs an Object[], but the value() method + // returns an arrays of the appropriate primitive type. We should + // perhaps save the resulting array rather than the Object[]. + + private Object coerce(Object val, Class dstType) + throws ArrayStoreException + { + if (! val.getClass().isArray()) + return val; + + Object[] srcArray = (Object[])val; + final int len = srcArray.length; + + if (dstType.getComponentType().isPrimitive()) + { + if (dstType == boolean[].class) + { + boolean[] dst = new boolean[len]; + for (int i = 0; i < len; i++) + dst[i] = (Boolean)srcArray[i]; + return dst; + } + + if (dstType == byte[].class) + { + byte[] dst = new byte[len]; + for (int i = 0; i < len; i++) + dst[i] = (Byte)srcArray[i]; + return dst; + } + + if (dstType == char[].class) + { + char[] dst = new char[len]; + for (int i = 0; i < len; i++) + dst[i] = (Character)srcArray[i]; + return dst; + } + + if (dstType == short[].class) + { + short[] dst = new short[len]; + for (int i = 0; i < len; i++) + dst[i] = (Short)srcArray[i]; + return dst; + } + + if (dstType == int[].class) + { + int[] dst = new int[len]; + for (int i = 0; i < len; i++) + dst[i] = (Integer)srcArray[i]; + return dst; + } + + if (dstType == long[].class) + { + long[] dst = new long[len]; + for (int i = 0; i < len; i++) + dst[i] = (Long)srcArray[i]; + return dst; + } + + if (dstType == float[].class) + { + float[] dst = new float[len]; + for (int i = 0; i < len; i++) + dst[i] = (Float)srcArray[i]; + return dst; + } + + if (dstType == double[].class) + { + double[] dst = new double[len]; + for (int i = 0; i < len; i++) + dst[i] = (Double)srcArray[i]; + return dst; + } + } + + Object dst = Array.newInstance(dstType.getComponentType(), len); + System.arraycopy((Object)srcArray, 0, dst, 0, len); + return dst; + } + + public Object invoke(Object proxy, Method method, Object[] args) + throws Throwable + { + String methodName = method.getName().intern(); + + if (args == null || args.length == 0) + { + if (methodName == "toString") + { + return toString(); + } + else if (methodName == "hashCode") + { + return Integer.valueOf(hashCode()); + } + else if (methodName == "annotationType") + { + return type; + } + else + { + Object val = memberValues.get(methodName); + if (val == null) + { + throw new IncompleteAnnotationException(type, methodName); + } + try + { + if (val.getClass().isArray()) + val = coerce((Object[])val, method.getReturnType()); + } + catch (ArrayStoreException _) + { + throw new AnnotationTypeMismatchException + (method, val.getClass().getName()); + } + if (! getBoxedReturnType(method).isInstance(val)) + throw (new AnnotationTypeMismatchException + (method, val.getClass().getName())); + return val; + } + } + else if (args.length == 1) + { + if (methodName == "equals") + { + return Boolean.valueOf(equals(proxy, args[0])); + } + } + throw new InternalError("Invalid annotation proxy"); + } +} diff --git a/libjava/sun/reflect/annotation/AnnotationParser.h b/libjava/sun/reflect/annotation/AnnotationParser.h new file mode 100644 index 000000000..d5ca9737a --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationParser.h @@ -0,0 +1,33 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationParser__ +#define __sun_reflect_annotation_AnnotationParser__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationParser; + } + } + } +} + +class sun::reflect::annotation::AnnotationParser : public ::java::lang::Object +{ + +public: + AnnotationParser(); + static ::java::lang::annotation::Annotation * annotationForMap(::java::lang::Class *, ::java::util::Map *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationParser__ diff --git a/libjava/sun/reflect/annotation/AnnotationType.h b/libjava/sun/reflect/annotation/AnnotationType.h new file mode 100644 index 000000000..3d21e0f14 --- /dev/null +++ b/libjava/sun/reflect/annotation/AnnotationType.h @@ -0,0 +1,33 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_AnnotationType__ +#define __sun_reflect_annotation_AnnotationType__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class AnnotationType; + } + } + } +} + +class sun::reflect::annotation::AnnotationType : public ::java::lang::Object +{ + +public: + AnnotationType(); + static ::java::lang::Class * invocationHandlerReturnType(::java::lang::Class *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_AnnotationType__ diff --git a/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h b/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h new file mode 100644 index 000000000..63d853b5d --- /dev/null +++ b/libjava/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.h @@ -0,0 +1,32 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ +#define __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ + +#pragma interface + +#include <sun/reflect/annotation/ExceptionProxy.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class EnumConstantNotPresentExceptionProxy; + } + } + } +} + +class sun::reflect::annotation::EnumConstantNotPresentExceptionProxy : public ::sun::reflect::annotation::ExceptionProxy +{ + +public: + EnumConstantNotPresentExceptionProxy(::java::lang::Class *, ::java::lang::String *); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_EnumConstantNotPresentExceptionProxy__ diff --git a/libjava/sun/reflect/annotation/ExceptionProxy.h b/libjava/sun/reflect/annotation/ExceptionProxy.h new file mode 100644 index 000000000..ca6a3cd69 --- /dev/null +++ b/libjava/sun/reflect/annotation/ExceptionProxy.h @@ -0,0 +1,32 @@ + +// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*- + +#ifndef __sun_reflect_annotation_ExceptionProxy__ +#define __sun_reflect_annotation_ExceptionProxy__ + +#pragma interface + +#include <java/lang/Object.h> +extern "Java" +{ + namespace sun + { + namespace reflect + { + namespace annotation + { + class ExceptionProxy; + } + } + } +} + +class sun::reflect::annotation::ExceptionProxy : public ::java::lang::Object +{ + +public: + ExceptionProxy(); + static ::java::lang::Class class$; +}; + +#endif // __sun_reflect_annotation_ExceptionProxy__ |