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

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   1 /*
   2  * Copyright (c) 2012, 2013, 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


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


   1 /*
   2  * Copyright (c) 2012, 2018, 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


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


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