org.postgresql/postgresql/42.2.6 : org/postgresql/core/Utils.class

Utils
https://github.com/pgjdbc/pgjdbc: Java JDBC 4.2 (JRE 8+) driver for PostgreSQL database (PostgreSQL Global Development Group)
BSD-2-Clause
Dave Cramer
Kris Jurka
Oliver Jowett
Craig Ringer
Vladimir Sitnikov
public class org.postgresql.core.Utils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.postgresql.core.Utils
  super_class: java.lang.Object
{
  private static final java.nio.charset.Charset utf8Charset;
    descriptor: Ljava/nio/charset/Charset;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 40
            ldc "UTF-8"
            invokestatic java.nio.charset.Charset.forName:(Ljava/lang/String;)Ljava/nio/charset/Charset;
            putstatic org.postgresql.core.Utils.utf8Charset:Ljava/nio/charset/Charset;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.postgresql.core.Utils this
         0: .line 20
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.postgresql.core.Utils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/postgresql/core/Utils;

  public static java.lang.String toHexString(byte[]);
    descriptor: ([B)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=6, args_size=1
        start local 0 // byte[] data
         0: .line 28
            new java.lang.StringBuilder
            dup
            aload 0 /* data */
            arraylength
            iconst_2
            imul
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 1 /* sb */
        start local 1 // java.lang.StringBuilder sb
         1: .line 29
            aload 0 /* data */
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 6
      StackMap locals: byte[] java.lang.StringBuilder top int int byte[]
      StackMap stack:
         2: aload 5
            iload 3
            baload
            istore 2 /* element */
        start local 2 // byte element
         3: .line 30
            aload 1 /* sb */
            iload 2 /* element */
            iconst_4
            ishr
            bipush 15
            iand
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 31
            aload 1 /* sb */
            iload 2 /* element */
            bipush 15
            iand
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        end local 2 // byte element
         5: .line 29
            iinc 3 1
      StackMap locals:
      StackMap stack:
         6: iload 3
            iload 4
            if_icmplt 2
         7: .line 33
            aload 1 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder sb
        end local 0 // byte[] data
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     data  [B
            1    8     1       sb  Ljava/lang/StringBuilder;
            3    5     2  element  B
    MethodParameters:
      Name  Flags
      data  

  public static byte[] encodeUTF8(java.lang.String);
    descriptor: (Ljava/lang/String;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.String str
         0: .line 53
            aload 0 /* str */
            getstatic org.postgresql.core.Utils.utf8Charset:Ljava/nio/charset/Charset;
            invokevirtual java.lang.String.getBytes:(Ljava/nio/charset/Charset;)[B
            areturn
        end local 0 // java.lang.String str
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0   str  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      str   

  public static java.lang.StringBuilder escapeLiteral(java.lang.StringBuilder, java.lang.String, boolean);
    descriptor: (Ljava/lang/StringBuilder;Ljava/lang/String;Z)Ljava/lang/StringBuilder;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // java.lang.StringBuilder sbuf
        start local 1 // java.lang.String value
        start local 2 // boolean standardConformingStrings
         0: .line 70
            aload 0 /* sbuf */
            ifnonnull 2
         1: .line 71
            new java.lang.StringBuilder
            dup
            aload 1 /* value */
            invokevirtual java.lang.String.length:()I
            bipush 10
            iadd
            bipush 10
            idiv
            bipush 11
            imul
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 0 /* sbuf */
         2: .line 73
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            aload 1 /* value */
            iload 2 /* standardConformingStrings */
            invokestatic org.postgresql.core.Utils.doAppendEscapedLiteral:(Ljava/lang/Appendable;Ljava/lang/String;Z)V
         3: .line 74
            aload 0 /* sbuf */
            areturn
        end local 2 // boolean standardConformingStrings
        end local 1 // java.lang.String value
        end local 0 // java.lang.StringBuilder sbuf
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0    4     0                       sbuf  Ljava/lang/StringBuilder;
            0    4     1                      value  Ljava/lang/String;
            0    4     2  standardConformingStrings  Z
    Exceptions:
      throws java.sql.SQLException
    MethodParameters:
                           Name  Flags
      sbuf                       
      value                      
      standardConformingStrings  

  private static void doAppendEscapedLiteral(java.lang.Appendable, java.lang.String, boolean);
    descriptor: (Ljava/lang/Appendable;Ljava/lang/String;Z)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // java.lang.Appendable sbuf
        start local 1 // java.lang.String value
        start local 2 // boolean standardConformingStrings
         0: .line 88
            iload 2 /* standardConformingStrings */
            ifeq 14
         1: .line 90
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: goto 12
         3: .line 91
      StackMap locals: int
      StackMap stack:
            aload 1 /* value */
            iload 3 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 4 /* ch */
        start local 4 // char ch
         4: .line 92
            iload 4 /* ch */
            ifne 8
         5: .line 93
            new org.postgresql.util.PSQLException
            dup
            ldc "Zero bytes may not occur in string parameters."
            iconst_0
            anewarray java.lang.Object
            invokestatic org.postgresql.util.GT.tr:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
         6: .line 94
            getstatic org.postgresql.util.PSQLState.INVALID_PARAMETER_VALUE:Lorg/postgresql/util/PSQLState;
         7: .line 93
            invokespecial org.postgresql.util.PSQLException.<init>:(Ljava/lang/String;Lorg/postgresql/util/PSQLState;)V
            athrow
         8: .line 96
      StackMap locals: int
      StackMap stack:
            iload 4 /* ch */
            bipush 39
            if_icmpne 10
         9: .line 97
            aload 0 /* sbuf */
            bipush 39
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        10: .line 99
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            iload 4 /* ch */
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        end local 4 // char ch
        11: .line 90
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        12: iload 3 /* i */
            aload 1 /* value */
            invokevirtual java.lang.String.length:()I
            if_icmplt 3
        end local 3 // int i
        13: .line 101
            goto 31
        14: .line 107
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 3 /* i */
        start local 3 // int i
        15: goto 25
        16: .line 108
      StackMap locals: int
      StackMap stack:
            aload 1 /* value */
            iload 3 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 4 /* ch */
        start local 4 // char ch
        17: .line 109
            iload 4 /* ch */
            ifne 21
        18: .line 110
            new org.postgresql.util.PSQLException
            dup
            ldc "Zero bytes may not occur in string parameters."
            iconst_0
            anewarray java.lang.Object
            invokestatic org.postgresql.util.GT.tr:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        19: .line 111
            getstatic org.postgresql.util.PSQLState.INVALID_PARAMETER_VALUE:Lorg/postgresql/util/PSQLState;
        20: .line 110
            invokespecial org.postgresql.util.PSQLException.<init>:(Ljava/lang/String;Lorg/postgresql/util/PSQLState;)V
            athrow
        21: .line 113
      StackMap locals: int
      StackMap stack:
            iload 4 /* ch */
            bipush 92
            if_icmpeq 22
            iload 4 /* ch */
            bipush 39
            if_icmpne 23
        22: .line 114
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            iload 4 /* ch */
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        23: .line 116
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            iload 4 /* ch */
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        end local 4 // char ch
        24: .line 107
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        25: iload 3 /* i */
            aload 1 /* value */
            invokevirtual java.lang.String.length:()I
            if_icmplt 16
        end local 3 // int i
        26: .line 119
            goto 31
      StackMap locals: java.lang.Appendable java.lang.String int
      StackMap stack: java.io.IOException
        27: astore 3 /* e */
        start local 3 // java.io.IOException e
        28: .line 120
            new org.postgresql.util.PSQLException
            dup
            ldc "No IOException expected from StringBuffer or StringBuilder"
            iconst_0
            anewarray java.lang.Object
            invokestatic org.postgresql.util.GT.tr:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        29: .line 121
            getstatic org.postgresql.util.PSQLState.UNEXPECTED_ERROR:Lorg/postgresql/util/PSQLState;
            aload 3 /* e */
        30: .line 120
            invokespecial org.postgresql.util.PSQLException.<init>:(Ljava/lang/String;Lorg/postgresql/util/PSQLState;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.io.IOException e
        31: .line 123
      StackMap locals:
      StackMap stack:
            return
        end local 2 // boolean standardConformingStrings
        end local 1 // java.lang.String value
        end local 0 // java.lang.Appendable sbuf
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   32     0                       sbuf  Ljava/lang/Appendable;
            0   32     1                      value  Ljava/lang/String;
            0   32     2  standardConformingStrings  Z
            2   13     3                          i  I
            4   11     4                         ch  C
           15   26     3                          i  I
           17   24     4                         ch  C
           28   31     3                          e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           0    26      27  Class java.io.IOException
    Exceptions:
      throws java.sql.SQLException
    MethodParameters:
                           Name  Flags
      sbuf                       
      value                      
      standardConformingStrings  

  public static java.lang.StringBuilder escapeIdentifier(java.lang.StringBuilder, java.lang.String);
    descriptor: (Ljava/lang/StringBuilder;Ljava/lang/String;)Ljava/lang/StringBuilder;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // java.lang.StringBuilder sbuf
        start local 1 // java.lang.String value
         0: .line 138
            aload 0 /* sbuf */
            ifnonnull 2
         1: .line 139
            new java.lang.StringBuilder
            dup
            iconst_2
            aload 1 /* value */
            invokevirtual java.lang.String.length:()I
            bipush 10
            iadd
            bipush 10
            idiv
            bipush 11
            imul
            iadd
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 0 /* sbuf */
         2: .line 141
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            aload 1 /* value */
            invokestatic org.postgresql.core.Utils.doAppendEscapedIdentifier:(Ljava/lang/Appendable;Ljava/lang/String;)V
         3: .line 142
            aload 0 /* sbuf */
            areturn
        end local 1 // java.lang.String value
        end local 0 // java.lang.StringBuilder sbuf
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   sbuf  Ljava/lang/StringBuilder;
            0    4     1  value  Ljava/lang/String;
    Exceptions:
      throws java.sql.SQLException
    MethodParameters:
       Name  Flags
      sbuf   
      value  

  private static void doAppendEscapedIdentifier(java.lang.Appendable, java.lang.String);
    descriptor: (Ljava/lang/Appendable;Ljava/lang/String;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // java.lang.Appendable sbuf
        start local 1 // java.lang.String value
         0: .line 154
            aload 0 /* sbuf */
            bipush 34
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
         1: .line 156
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 12
         3: .line 157
      StackMap locals: int
      StackMap stack:
            aload 1 /* value */
            iload 2 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 3 /* ch */
        start local 3 // char ch
         4: .line 158
            iload 3 /* ch */
            ifne 8
         5: .line 159
            new org.postgresql.util.PSQLException
            dup
            ldc "Zero bytes may not occur in identifiers."
            iconst_0
            anewarray java.lang.Object
            invokestatic org.postgresql.util.GT.tr:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
         6: .line 160
            getstatic org.postgresql.util.PSQLState.INVALID_PARAMETER_VALUE:Lorg/postgresql/util/PSQLState;
         7: .line 159
            invokespecial org.postgresql.util.PSQLException.<init>:(Ljava/lang/String;Lorg/postgresql/util/PSQLState;)V
            athrow
         8: .line 162
      StackMap locals: int
      StackMap stack:
            iload 3 /* ch */
            bipush 34
            if_icmpne 10
         9: .line 163
            aload 0 /* sbuf */
            iload 3 /* ch */
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        10: .line 165
      StackMap locals:
      StackMap stack:
            aload 0 /* sbuf */
            iload 3 /* ch */
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        end local 3 // char ch
        11: .line 156
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        12: iload 2 /* i */
            aload 1 /* value */
            invokevirtual java.lang.String.length:()I
            if_icmplt 3
        end local 2 // int i
        13: .line 168
            aload 0 /* sbuf */
            bipush 34
            invokeinterface java.lang.Appendable.append:(C)Ljava/lang/Appendable;
            pop
        14: .line 169
            goto 19
      StackMap locals: java.lang.Appendable java.lang.String
      StackMap stack: java.io.IOException
        15: astore 2 /* e */
        start local 2 // java.io.IOException e
        16: .line 170
            new org.postgresql.util.PSQLException
            dup
            ldc "No IOException expected from StringBuffer or StringBuilder"
            iconst_0
            anewarray java.lang.Object
            invokestatic org.postgresql.util.GT.tr:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        17: .line 171
            getstatic org.postgresql.util.PSQLState.UNEXPECTED_ERROR:Lorg/postgresql/util/PSQLState;
            aload 2 /* e */
        18: .line 170
            invokespecial org.postgresql.util.PSQLException.<init>:(Ljava/lang/String;Lorg/postgresql/util/PSQLState;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.io.IOException e
        19: .line 173
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.String value
        end local 0 // java.lang.Appendable sbuf
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   20     0   sbuf  Ljava/lang/Appendable;
            0   20     1  value  Ljava/lang/String;
            2   13     2      i  I
            4   11     3     ch  C
           16   19     2      e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           0    14      15  Class java.io.IOException
    Exceptions:
      throws java.sql.SQLException
    MethodParameters:
       Name  Flags
      sbuf   
      value  

  public static int parseServerVersionStr(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.String serverVersion
         0: .line 195
            aload 0 /* serverVersion */
            invokestatic org.postgresql.core.ServerVersion.parseServerVersionStr:(Ljava/lang/String;)I
            ireturn
        end local 0 // java.lang.String serverVersion
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    1     0  serverVersion  Ljava/lang/String;
    Exceptions:
      throws java.lang.NumberFormatException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
               Name  Flags
      serverVersion  
}
SourceFile: "Utils.java"
/

org.postgresql/ postgresql/ 42.2.6/ org/postgresql/core/Utils.class
