src/java.base/share/classes/jdk/internal/reflect/ProxyGenerator.java

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   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.misc;
  27 
  28 import java.io.ByteArrayOutputStream;
  29 import java.io.DataOutputStream;
  30 import java.io.File;
  31 import java.io.IOException;
  32 import java.io.OutputStream;
  33 import java.lang.reflect.Array;
  34 import java.lang.reflect.Method;
  35 import java.nio.file.Files;
  36 import java.nio.file.Path;
  37 import java.nio.file.Paths;
  38 import java.util.ArrayList;
  39 import java.util.HashMap;
  40 import java.util.LinkedList;
  41 import java.util.List;
  42 import java.util.ListIterator;
  43 import java.util.Map;
  44 import sun.security.action.GetBooleanAction;
  45 
  46 /**


 297 //  private static final int opc_monitorexit            = 195;
 298     private static final int opc_wide                   = 196;
 299 //  private static final int opc_multianewarray         = 197;
 300 //  private static final int opc_ifnull                 = 198;
 301 //  private static final int opc_ifnonnull              = 199;
 302 //  private static final int opc_goto_w                 = 200;
 303 //  private static final int opc_jsr_w                  = 201;
 304 
 305     // end of constants copied from sun.tools.java.RuntimeConstants
 306 
 307     /** name of the superclass of proxy classes */
 308     private static final String superclassName = "java/lang/reflect/Proxy";
 309 
 310     /** name of field for storing a proxy instance's invocation handler */
 311     private static final String handlerFieldName = "h";
 312 
 313     /** debugging flag for saving generated class files */
 314     private static final boolean saveGeneratedFiles =
 315         java.security.AccessController.doPrivileged(
 316             new GetBooleanAction(
 317                 "sun.misc.ProxyGenerator.saveGeneratedFiles")).booleanValue();
 318 
 319     /**
 320      * Generate a public proxy class given a name and a list of proxy interfaces.
 321      */
 322     public static byte[] generateProxyClass(final String name,
 323                                             Class<?>[] interfaces) {
 324         return generateProxyClass(name, interfaces, (ACC_PUBLIC | ACC_FINAL | ACC_SUPER));
 325     }
 326 
 327     /**
 328      * Generate a proxy class given a name and a list of proxy interfaces.
 329      *
 330      * @param name        the class name of the proxy class
 331      * @param interfaces  proxy interfaces
 332      * @param accessFlags access flags of the proxy class
 333     */
 334     public static byte[] generateProxyClass(final String name,
 335                                             Class<?>[] interfaces,
 336                                             int accessFlags)
 337     {




   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 jdk.internal.reflect;
  27 
  28 import java.io.ByteArrayOutputStream;
  29 import java.io.DataOutputStream;
  30 import java.io.File;
  31 import java.io.IOException;
  32 import java.io.OutputStream;
  33 import java.lang.reflect.Array;
  34 import java.lang.reflect.Method;
  35 import java.nio.file.Files;
  36 import java.nio.file.Path;
  37 import java.nio.file.Paths;
  38 import java.util.ArrayList;
  39 import java.util.HashMap;
  40 import java.util.LinkedList;
  41 import java.util.List;
  42 import java.util.ListIterator;
  43 import java.util.Map;
  44 import sun.security.action.GetBooleanAction;
  45 
  46 /**


 297 //  private static final int opc_monitorexit            = 195;
 298     private static final int opc_wide                   = 196;
 299 //  private static final int opc_multianewarray         = 197;
 300 //  private static final int opc_ifnull                 = 198;
 301 //  private static final int opc_ifnonnull              = 199;
 302 //  private static final int opc_goto_w                 = 200;
 303 //  private static final int opc_jsr_w                  = 201;
 304 
 305     // end of constants copied from sun.tools.java.RuntimeConstants
 306 
 307     /** name of the superclass of proxy classes */
 308     private static final String superclassName = "java/lang/reflect/Proxy";
 309 
 310     /** name of field for storing a proxy instance's invocation handler */
 311     private static final String handlerFieldName = "h";
 312 
 313     /** debugging flag for saving generated class files */
 314     private static final boolean saveGeneratedFiles =
 315         java.security.AccessController.doPrivileged(
 316             new GetBooleanAction(
 317                 "jdk.internal.reflect.ProxyGenerator.saveGeneratedFiles")).booleanValue();
 318 
 319     /**
 320      * Generate a public proxy class given a name and a list of proxy interfaces.
 321      */
 322     public static byte[] generateProxyClass(final String name,
 323                                             Class<?>[] interfaces) {
 324         return generateProxyClass(name, interfaces, (ACC_PUBLIC | ACC_FINAL | ACC_SUPER));
 325     }
 326 
 327     /**
 328      * Generate a proxy class given a name and a list of proxy interfaces.
 329      *
 330      * @param name        the class name of the proxy class
 331      * @param interfaces  proxy interfaces
 332      * @param accessFlags access flags of the proxy class
 333     */
 334     public static byte[] generateProxyClass(final String name,
 335                                             Class<?>[] interfaces,
 336                                             int accessFlags)
 337     {