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src/java.base/share/classes/java/lang/invoke/InnerClassLambdaMetafactory.java

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   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 java.lang.invoke;
  27 


  28 import jdk.internal.org.objectweb.asm.*;
  29 import sun.invoke.util.BytecodeDescriptor;
  30 import jdk.internal.misc.Unsafe;
  31 import sun.security.action.GetPropertyAction;
  32 
  33 import java.io.FilePermission;
  34 import java.io.Serializable;
  35 import java.lang.reflect.Constructor;
  36 import java.security.AccessController;
  37 import java.security.PrivilegedAction;
  38 import java.util.LinkedHashSet;
  39 import java.util.concurrent.atomic.AtomicInteger;
  40 import java.util.PropertyPermission;
  41 import java.util.Set;
  42 
  43 import static jdk.internal.org.objectweb.asm.Opcodes.*;
  44 
  45 /**
  46  * Lambda metafactory implementation which dynamically creates an
  47  * inner-class-like class per lambda callsite.
  48  *
  49  * @see LambdaMetafactory
  50  */
  51 /* package */ final class InnerClassLambdaMetafactory extends AbstractValidatingLambdaMetafactory {
  52     private static final Unsafe UNSAFE = Unsafe.getUnsafe();

  53 
  54     private static final int CLASSFILE_VERSION = 52;
  55     private static final String METHOD_DESCRIPTOR_VOID = Type.getMethodDescriptor(Type.VOID_TYPE);
  56     private static final String JAVA_LANG_OBJECT = "java/lang/Object";
  57     private static final String NAME_CTOR = "<init>";
  58     private static final String NAME_FACTORY = "get$Lambda";
  59 
  60     //Serialization support
  61     private static final String NAME_SERIALIZED_LAMBDA = "java/lang/invoke/SerializedLambda";
  62     private static final String NAME_NOT_SERIALIZABLE_EXCEPTION = "java/io/NotSerializableException";
  63     private static final String DESCR_METHOD_WRITE_REPLACE = "()Ljava/lang/Object;";
  64     private static final String DESCR_METHOD_WRITE_OBJECT = "(Ljava/io/ObjectOutputStream;)V";
  65     private static final String DESCR_METHOD_READ_OBJECT = "(Ljava/io/ObjectInputStream;)V";
  66     private static final String NAME_METHOD_WRITE_REPLACE = "writeReplace";
  67     private static final String NAME_METHOD_READ_OBJECT = "readObject";
  68     private static final String NAME_METHOD_WRITE_OBJECT = "writeObject";
  69 
  70     private static final String DESCR_CLASS = "Ljava/lang/Class;";
  71     private static final String DESCR_STRING = "Ljava/lang/String;";
  72     private static final String DESCR_OBJECT = "Ljava/lang/Object;";




   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 java.lang.invoke;
  27 
  28 import jdk.internal.access.JavaLangAccess;
  29 import jdk.internal.access.SharedSecrets;
  30 import jdk.internal.org.objectweb.asm.*;
  31 import sun.invoke.util.BytecodeDescriptor;
  32 import jdk.internal.misc.Unsafe;
  33 import sun.security.action.GetPropertyAction;
  34 
  35 import java.io.FilePermission;
  36 import java.io.Serializable;
  37 import java.lang.reflect.Constructor;
  38 import java.security.AccessController;
  39 import java.security.PrivilegedAction;
  40 import java.util.LinkedHashSet;
  41 import java.util.concurrent.atomic.AtomicInteger;
  42 import java.util.PropertyPermission;
  43 import java.util.Set;
  44 
  45 import static jdk.internal.org.objectweb.asm.Opcodes.*;
  46 
  47 /**
  48  * Lambda metafactory implementation which dynamically creates an
  49  * inner-class-like class per lambda callsite.
  50  *
  51  * @see LambdaMetafactory
  52  */
  53 /* package */ final class InnerClassLambdaMetafactory extends AbstractValidatingLambdaMetafactory {
  54     private static final Unsafe UNSAFE = Unsafe.getUnsafe();
  55     private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
  56 
  57     private static final int CLASSFILE_VERSION = 52;
  58     private static final String METHOD_DESCRIPTOR_VOID = Type.getMethodDescriptor(Type.VOID_TYPE);
  59     private static final String JAVA_LANG_OBJECT = "java/lang/Object";
  60     private static final String NAME_CTOR = "<init>";
  61     private static final String NAME_FACTORY = "get$Lambda";
  62 
  63     //Serialization support
  64     private static final String NAME_SERIALIZED_LAMBDA = "java/lang/invoke/SerializedLambda";
  65     private static final String NAME_NOT_SERIALIZABLE_EXCEPTION = "java/io/NotSerializableException";
  66     private static final String DESCR_METHOD_WRITE_REPLACE = "()Ljava/lang/Object;";
  67     private static final String DESCR_METHOD_WRITE_OBJECT = "(Ljava/io/ObjectOutputStream;)V";
  68     private static final String DESCR_METHOD_READ_OBJECT = "(Ljava/io/ObjectInputStream;)V";
  69     private static final String NAME_METHOD_WRITE_REPLACE = "writeReplace";
  70     private static final String NAME_METHOD_READ_OBJECT = "readObject";
  71     private static final String NAME_METHOD_WRITE_OBJECT = "writeObject";
  72 
  73     private static final String DESCR_CLASS = "Ljava/lang/Class;";
  74     private static final String DESCR_STRING = "Ljava/lang/String;";
  75     private static final String DESCR_OBJECT = "Ljava/lang/Object;";


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