class java.net.DefaultDatagramSocketImplFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.net.DefaultDatagramSocketImplFactory
  super_class: java.lang.Object
{
  static java.lang.Class<?> prefixImplClass;
    descriptor: Ljava/lang/Class;
    flags: (0x0008) ACC_STATIC
    Signature: Ljava/lang/Class<*>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=1, args_size=0
         0: .line 38
            aconst_null
            putstatic java.net.DefaultDatagramSocketImplFactory.prefixImplClass:Ljava/lang/Class;
         1: .line 41
            aconst_null
            astore 0 /* prefix */
        start local 0 // java.lang.String prefix
         2: .line 44
            new sun.security.action.GetPropertyAction
            dup
            ldc "impl.prefix"
            aconst_null
            invokespecial sun.security.action.GetPropertyAction.<init>:(Ljava/lang/String;Ljava/lang/String;)V
         3: .line 43
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 0 /* prefix */
         4: .line 45
            aload 0 /* prefix */
            ifnull 12
         5: .line 46
            new java.lang.StringBuilder
            dup
            ldc "java.net."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* prefix */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "DatagramSocketImpl"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokestatic java.lang.Class.forName:(Ljava/lang/String;)Ljava/lang/Class;
            putstatic java.net.DefaultDatagramSocketImplFactory.prefixImplClass:Ljava/lang/Class;
         6: .line 47
            goto 12
      StackMap locals: java.lang.String
      StackMap stack: java.lang.Exception
         7: pop
         8: .line 48
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "Can't find class: java.net."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         9: .line 49
            aload 0 /* prefix */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        10: .line 50
            ldc "DatagramSocketImpl: check impl.prefix property"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        11: .line 48
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        end local 0 // java.lang.String prefix
        12: .line 53
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            2   12     0  prefix  Ljava/lang/String;
      Exception table:
        from    to  target  type
           2     6       7  Class java.lang.Exception

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DefaultDatagramSocketImplFactory this
         0: .line 37
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // java.net.DefaultDatagramSocketImplFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DefaultDatagramSocketImplFactory;

  static java.net.DatagramSocketImpl createDatagramSocketImpl(boolean);
    descriptor: (Z)Ljava/net/DatagramSocketImpl;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // boolean isMulticast
         0: .line 63
            getstatic java.net.DefaultDatagramSocketImplFactory.prefixImplClass:Ljava/lang/Class;
            ifnull 5
         1: .line 65
            getstatic java.net.DefaultDatagramSocketImplFactory.prefixImplClass:Ljava/lang/Class;
            invokevirtual java.lang.Class.newInstance:()Ljava/lang/Object;
            checkcast java.net.DatagramSocketImpl
         2: areturn
         3: .line 66
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         4: .line 67
            new java.net.SocketException
            dup
            ldc "can't instantiate DatagramSocketImpl"
            invokespecial java.net.SocketException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 70
      StackMap locals:
      StackMap stack:
            new java.net.PlainDatagramSocketImpl
            dup
            invokespecial java.net.PlainDatagramSocketImpl.<init>:()V
            areturn
        end local 0 // boolean isMulticast
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0  isMulticast  Z
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.Exception
    Exceptions:
      throws java.net.SocketException
    MethodParameters:
             Name  Flags
      isMulticast  
}
SourceFile: "DefaultDatagramSocketImplFactory.java"