https://github.com/swaldman/c3p0: a JDBC Connection pooling / Statement caching library
  • Steve Waldman 
public final class com.mchange.v2.c3p0.test.RawConnectionOpTest
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.mchange.v2.c3p0.test.RawConnectionOpTest
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.mchange.v2.c3p0.test.RawConnectionOpTest this
         0: .line 45
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.mchange.v2.c3p0.test.RawConnectionOpTest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/mchange/v2/c3p0/test/RawConnectionOpTest;

  public static void main(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=15, args_size=1
        start local 0 // java.lang.String[] argv
         0: .line 49
            aconst_null
            astore 1 /* cpds */
        start local 1 // com.mchange.v2.c3p0.ComboPooledDataSource cpds
         1: .line 52
            aconst_null
            astore 2 /* jdbc_url */
        start local 2 // java.lang.String jdbc_url
         2: .line 53
            aconst_null
            astore 3 /* username */
        start local 3 // java.lang.String username
         3: .line 54
            aconst_null
            astore 4 /* password */
        start local 4 // java.lang.String password
         4: .line 56
            aload 0 /* argv */
            arraylength
            iconst_3
            if_icmpne 9
         5: .line 58
            aload 0 /* argv */
            iconst_0
            aaload
            astore 2 /* jdbc_url */
         6: .line 59
            aload 0 /* argv */
            iconst_1
            aaload
            astore 3 /* username */
         7: .line 60
            aload 0 /* argv */
            iconst_2
            aaload
            astore 4 /* password */
         8: .line 61
            goto 15
         9: .line 62
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource java.lang.String java.lang.String java.lang.String
      StackMap stack:
            aload 0 /* argv */
            arraylength
            iconst_1
            if_icmpne 14
        10: .line 64
            aload 0 /* argv */
            iconst_0
            aaload
            astore 2 /* jdbc_url */
        11: .line 65
            aconst_null
            astore 3 /* username */
        12: .line 66
            aconst_null
            astore 4 /* password */
        13: .line 67
            goto 15
        14: .line 69
      StackMap locals:
      StackMap stack:
            invokestatic com.mchange.v2.c3p0.test.RawConnectionOpTest.usage:()V
        15: .line 71
      StackMap locals:
      StackMap stack:
            aload 2 /* jdbc_url */
            ldc "jdbc:"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 17
        16: .line 72
            invokestatic com.mchange.v2.c3p0.test.RawConnectionOpTest.usage:()V
        17: .line 74
      StackMap locals:
      StackMap stack:
            new com.mchange.v2.c3p0.ComboPooledDataSource
            dup
            invokespecial com.mchange.v2.c3p0.ComboPooledDataSource.<init>:()V
            astore 1 /* cpds */
        18: .line 75
            aload 1 /* cpds */
            aload 2 /* jdbc_url */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.setJdbcUrl:(Ljava/lang/String;)V
        19: .line 76
            aload 1 /* cpds */
            aload 3 /* username */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.setUser:(Ljava/lang/String;)V
        20: .line 77
            aload 1 /* cpds */
            aload 4 /* password */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.setPassword:(Ljava/lang/String;)V
        21: .line 78
            aload 1 /* cpds */
            bipush 10
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.setMaxPoolSize:(I)V
        22: .line 81
            aload 1 /* cpds */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.getConnection:()Ljava/sql/Connection;
            checkcast com.mchange.v2.c3p0.C3P0ProxyConnection
            astore 5 /* conn */
        start local 5 // com.mchange.v2.c3p0.C3P0ProxyConnection conn
        23: .line 82
            ldc Ljava/lang/Object;
            ldc "toString"
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            astore 6 /* toStringMethod */
        start local 6 // java.lang.reflect.Method toStringMethod
        24: .line 83
            ldc Ljava/lang/System;
            ldc "identityHashCode"
            iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Object;
            aastore
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            astore 7 /* identityHashCodeMethod */
        start local 7 // java.lang.reflect.Method identityHashCodeMethod
        25: .line 84
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "rawConnection.toString() -> "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        26: .line 85
            aload 5 /* conn */
            aload 6 /* toStringMethod */
            getstatic com.mchange.v2.c3p0.C3P0ProxyConnection.RAW_CONNECTION:Ljava/lang/Object;
            iconst_0
            anewarray java.lang.Object
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.rawConnectionOperation:(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        27: .line 84
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        28: .line 86
            aload 5 /* conn */
            aload 7 /* identityHashCodeMethod */
            aconst_null
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            getstatic com.mchange.v2.c3p0.C3P0ProxyConnection.RAW_CONNECTION:Ljava/lang/Object;
            aastore
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.rawConnectionOperation:(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 8 /* ihc */
        start local 8 // java.lang.Integer ihc
        29: .line 87
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "System.identityHashCode( rawConnection ) -> "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 8 /* ihc */
            invokevirtual java.lang.Integer.intValue:()I
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        30: .line 89
            aload 5 /* conn */
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.createStatement:()Ljava/sql/Statement;
            checkcast com.mchange.v2.c3p0.C3P0ProxyStatement
            astore 9 /* stmt */
        start local 9 // com.mchange.v2.c3p0.C3P0ProxyStatement stmt
        31: .line 90
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "rawStatement.toString() -> "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        32: .line 91
            aload 9 /* stmt */
            aload 6 /* toStringMethod */
            getstatic com.mchange.v2.c3p0.C3P0ProxyStatement.RAW_STATEMENT:Ljava/lang/Object;
            iconst_0
            anewarray java.lang.Object
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyStatement.rawStatementOperation:(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        33: .line 90
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        34: .line 92
            aload 9 /* stmt */
            aload 7 /* identityHashCodeMethod */
            aconst_null
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            getstatic com.mchange.v2.c3p0.C3P0ProxyStatement.RAW_STATEMENT:Ljava/lang/Object;
            aastore
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyStatement.rawStatementOperation:(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 10 /* ihc2 */
        start local 10 // java.lang.Integer ihc2
        35: .line 93
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "System.identityHashCode( rawStatement ) -> "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 10 /* ihc2 */
            invokevirtual java.lang.Integer.intValue:()I
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        36: .line 95
            aload 5 /* conn */
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.close:()V
        37: .line 97
            iconst_0
            istore 11 /* i */
        start local 11 // int i
        38: goto 49
        39: .line 99
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource java.lang.String java.lang.String java.lang.String com.mchange.v2.c3p0.C3P0ProxyConnection java.lang.reflect.Method java.lang.reflect.Method java.lang.Integer com.mchange.v2.c3p0.C3P0ProxyStatement java.lang.Integer int
      StackMap stack:
            aconst_null
            astore 12 /* check */
        start local 12 // com.mchange.v2.c3p0.C3P0ProxyConnection check
        40: .line 102
            aload 1 /* cpds */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.getConnection:()Ljava/sql/Connection;
            checkcast com.mchange.v2.c3p0.C3P0ProxyConnection
            astore 12 /* check */
        41: .line 104
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            aload 12 /* check */
            invokestatic com.mchange.v2.c3p0.util.TestUtils.physicalConnectionIdentityHashCode:(Lcom/mchange/v2/c3p0/C3P0ProxyConnection;)I
            aload 8 /* ihc */
            invokevirtual java.lang.Integer.intValue:()I
            if_icmpne 42
            iconst_1
            goto 43
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource java.lang.String java.lang.String java.lang.String com.mchange.v2.c3p0.C3P0ProxyConnection java.lang.reflect.Method java.lang.reflect.Method java.lang.Integer com.mchange.v2.c3p0.C3P0ProxyStatement java.lang.Integer int com.mchange.v2.c3p0.C3P0ProxyConnection
      StackMap stack: java.io.PrintStream
        42: iconst_0
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource java.lang.String java.lang.String java.lang.String com.mchange.v2.c3p0.C3P0ProxyConnection java.lang.reflect.Method java.lang.reflect.Method java.lang.Integer com.mchange.v2.c3p0.C3P0ProxyStatement java.lang.Integer int com.mchange.v2.c3p0.C3P0ProxyConnection
      StackMap stack: java.io.PrintStream int
        43: invokevirtual java.io.PrintStream.println:(Z)V
        44: .line 105
            goto 47
        45: .line 107
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 13
            aload 12 /* check */
            ifnull 46
            aload 12 /* check */
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.close:()V
      StackMap locals: java.lang.Throwable
      StackMap stack:
        46: aload 13
            athrow
      StackMap locals:
      StackMap stack:
        47: aload 12 /* check */
            ifnull 48
            aload 12 /* check */
            invokeinterface com.mchange.v2.c3p0.C3P0ProxyConnection.close:()V
        end local 12 // com.mchange.v2.c3p0.C3P0ProxyConnection check
        48: .line 97
      StackMap locals:
      StackMap stack:
            iinc 11 /* i */ 1
      StackMap locals:
      StackMap stack:
        49: iload 11 /* i */
            bipush 10
            if_icmplt 39
        end local 11 // int i
        end local 10 // java.lang.Integer ihc2
        end local 9 // com.mchange.v2.c3p0.C3P0ProxyStatement stmt
        end local 8 // java.lang.Integer ihc
        end local 7 // java.lang.reflect.Method identityHashCodeMethod
        end local 6 // java.lang.reflect.Method toStringMethod
        end local 5 // com.mchange.v2.c3p0.C3P0ProxyConnection conn
        end local 4 // java.lang.String password
        end local 3 // java.lang.String username
        end local 2 // java.lang.String jdbc_url
        50: .line 109
            goto 56
        51: .line 110
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
        52: .line 111
            aload 2 /* e */
            invokevirtual java.lang.Exception.printStackTrace:()V
        end local 2 // java.lang.Exception e
        53: .line 113
            aload 1 /* cpds */
            ifnull 57
            aload 1 /* cpds */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.close:()V
            goto 57
      StackMap locals:
      StackMap stack: java.lang.Throwable
        54: astore 14
            aload 1 /* cpds */
            ifnull 55
            aload 1 /* cpds */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.close:()V
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource top top top top top top top top top top top top java.lang.Throwable
      StackMap stack:
        55: aload 14
            athrow
      StackMap locals: java.lang.String[] com.mchange.v2.c3p0.ComboPooledDataSource
      StackMap stack:
        56: aload 1 /* cpds */
            ifnull 57
            aload 1 /* cpds */
            invokevirtual com.mchange.v2.c3p0.ComboPooledDataSource.close:()V
        57: .line 114
      StackMap locals:
      StackMap stack:
            return
        end local 1 // com.mchange.v2.c3p0.ComboPooledDataSource cpds
        end local 0 // java.lang.String[] argv
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   58     0                    argv  [Ljava/lang/String;
            1   58     1                    cpds  Lcom/mchange/v2/c3p0/ComboPooledDataSource;
            2   50     2                jdbc_url  Ljava/lang/String;
            3   50     3                username  Ljava/lang/String;
            4   50     4                password  Ljava/lang/String;
           23   50     5                    conn  Lcom/mchange/v2/c3p0/C3P0ProxyConnection;
           24   50     6          toStringMethod  Ljava/lang/reflect/Method;
           25   50     7  identityHashCodeMethod  Ljava/lang/reflect/Method;
           29   50     8                     ihc  Ljava/lang/Integer;
           31   50     9                    stmt  Lcom/mchange/v2/c3p0/C3P0ProxyStatement;
           35   50    10                    ihc2  Ljava/lang/Integer;
           38   50    11                       i  I
           40   48    12                   check  Lcom/mchange/v2/c3p0/C3P0ProxyConnection;
           52   53     2                       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
          40    45      45  any
           1    50      51  Class java.lang.Exception
           1    53      54  any
    MethodParameters:
      Name  Flags
      argv  

  private static void usage();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 118
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "java "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc Lcom/mchange/v2/c3p0/test/RawConnectionOpTest;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " \\"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         1: .line 119
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "\t<jdbc_driver_class> \\"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         2: .line 120
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "\t<jdbc_url> [<username> <password>]"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         3: .line 121
            iconst_m1
            invokestatic java.lang.System.exit:(I)V
         4: .line 122
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "RawConnectionOpTest.java"