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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/sun/reflect
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Diffstat (limited to 'libjava/classpath/sun/reflect')
-rw-r--r--libjava/classpath/sun/reflect/annotation/AnnotationInvocationHandler.java396
-rw-r--r--libjava/classpath/sun/reflect/annotation/AnnotationParser.java57
-rw-r--r--libjava/classpath/sun/reflect/annotation/AnnotationType.java52
-rw-r--r--libjava/classpath/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java52
-rw-r--r--libjava/classpath/sun/reflect/annotation/ExceptionProxy.java44
5 files changed, 601 insertions, 0 deletions
diff --git a/libjava/classpath/sun/reflect/annotation/AnnotationInvocationHandler.java b/libjava/classpath/sun/reflect/annotation/AnnotationInvocationHandler.java
new file mode 100644
index 000000000..909e7ae1f
--- /dev/null
+++ b/libjava/classpath/sun/reflect/annotation/AnnotationInvocationHandler.java
@@ -0,0 +1,396 @@
+/* sun.reflect.annotation.AnnotationInvocationHandler
+ Copyright (C) 2006
+ 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.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+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 type;
+ private final Map 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 type, Map memberValues)
+ {
+ this.type = type;
+ this.memberValues = memberValues;
+ }
+
+ public static Annotation create(Class 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 static boolean equals(Class type, Map memberValues, 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, new Object[0]);
+ if (! deepEquals(memberValues.get(key), val))
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+ }
+ catch (IllegalAccessException _)
+ {
+ // Ignore exception, like the JDK
+ }
+ catch (InvocationTargetException _)
+ {
+ // 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 static int hashCode(Class type, Map memberValues)
+ {
+ int h = 0;
+ Iterator iter = memberValues.keySet().iterator();
+ while (iter.hasNext())
+ {
+ Object key = iter.next();
+ Object val = memberValues.get(key);
+ h += deepHashCode(val) ^ 127 * key.hashCode();
+ }
+ return h;
+ }
+
+ private static String deepToString(Object obj)
+ {
+ if (obj instanceof boolean[])
+ return Arrays.toString((boolean[]) obj);
+
+ if (obj instanceof byte[])
+ return Arrays.toString((byte[]) obj);
+
+ if (obj instanceof char[])
+ return Arrays.toString((char[]) obj);
+
+ if (obj instanceof short[])
+ return Arrays.toString((short[]) obj);
+
+ if (obj instanceof int[])
+ return Arrays.toString((int[]) obj);
+
+ if (obj instanceof float[])
+ return Arrays.toString((float[]) obj);
+
+ if (obj instanceof long[])
+ return Arrays.toString((long[]) obj);
+
+ if (obj instanceof double[])
+ return Arrays.toString((double[]) 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 static String toString(Class type, Map memberValues)
+ {
+ 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;
+ }
+
+ private Object arrayClone(Object obj)
+ {
+ if (obj instanceof boolean[])
+ return ((boolean[]) obj).clone();
+
+ if (obj instanceof byte[])
+ return ((byte[]) obj).clone();
+
+ if (obj instanceof char[])
+ return ((char[]) obj).clone();
+
+ if (obj instanceof short[])
+ return ((short[]) obj).clone();
+
+ if (obj instanceof int[])
+ return ((int[]) obj).clone();
+
+ if (obj instanceof float[])
+ return ((float[]) obj).clone();
+
+ if (obj instanceof long[])
+ return ((long[]) obj).clone();
+
+ if (obj instanceof double[])
+ return ((double[]) obj).clone();
+
+ if (obj instanceof Object[])
+ return ((Object[]) obj).clone();
+
+ return obj;
+ }
+
+ 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(type, memberValues);
+ }
+ else if (methodName == "hashCode")
+ {
+ return Integer.valueOf(hashCode(type, memberValues));
+ }
+ else if (methodName == "annotationType")
+ {
+ return type;
+ }
+ else
+ {
+ Object val = memberValues.get(methodName);
+ if (val == null)
+ {
+ throw new IncompleteAnnotationException(type, methodName);
+ }
+ if (! getBoxedReturnType(method).isInstance(val))
+ {
+ throw new AnnotationTypeMismatchException(method,
+ val.getClass().getName());
+ }
+ if (val.getClass().isArray())
+ {
+ val = arrayClone(val);
+ }
+ return val;
+ }
+ }
+ else if (args.length == 1)
+ {
+ if (methodName == "equals")
+ {
+ return Boolean.valueOf(equals(type, memberValues, args[0]));
+ }
+ }
+ throw new InternalError("Invalid annotation proxy");
+ }
+}
diff --git a/libjava/classpath/sun/reflect/annotation/AnnotationParser.java b/libjava/classpath/sun/reflect/annotation/AnnotationParser.java
new file mode 100644
index 000000000..bce3057c4
--- /dev/null
+++ b/libjava/classpath/sun/reflect/annotation/AnnotationParser.java
@@ -0,0 +1,57 @@
+/* sun.reflect.annotation.AnnotationParser
+ Copyright (C) 2006
+ 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 gnu.classpath.NotImplementedException;
+
+import java.lang.annotation.Annotation;
+
+import java.util.Map;
+
+public class AnnotationParser
+{
+
+ public static Annotation annotationForMap(Class<? extends Annotation> annoType,
+ Map<String, Object> map)
+ throws NotImplementedException
+ {
+ return null;
+ }
+
+}
diff --git a/libjava/classpath/sun/reflect/annotation/AnnotationType.java b/libjava/classpath/sun/reflect/annotation/AnnotationType.java
new file mode 100644
index 000000000..6bd231bdb
--- /dev/null
+++ b/libjava/classpath/sun/reflect/annotation/AnnotationType.java
@@ -0,0 +1,52 @@
+/* sun.reflect.annotation.AnnotationType
+ Copyright (C) 2006
+ 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 gnu.classpath.NotImplementedException;
+
+public class AnnotationType
+{
+
+ public static Class<?> invocationHandlerReturnType(Class<?> returnClass)
+ throws NotImplementedException
+ {
+ return null;
+ }
+
+}
diff --git a/libjava/classpath/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java b/libjava/classpath/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java
new file mode 100644
index 000000000..c2f28561e
--- /dev/null
+++ b/libjava/classpath/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java
@@ -0,0 +1,52 @@
+/* sun.reflect.annotation.EnumConstantNotPresentExceptionProxy
+ Copyright (C) 2006
+ 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 gnu.classpath.NotImplementedException;
+
+public class EnumConstantNotPresentExceptionProxy
+ extends ExceptionProxy
+{
+
+ public EnumConstantNotPresentExceptionProxy(Class c, String s)
+ throws NotImplementedException
+ {
+ }
+
+}
diff --git a/libjava/classpath/sun/reflect/annotation/ExceptionProxy.java b/libjava/classpath/sun/reflect/annotation/ExceptionProxy.java
new file mode 100644
index 000000000..c79070482
--- /dev/null
+++ b/libjava/classpath/sun/reflect/annotation/ExceptionProxy.java
@@ -0,0 +1,44 @@
+/* sun.reflect.annotation.ExceptionProxy
+ Copyright (C) 2006
+ 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;
+
+public class ExceptionProxy
+{
+
+}