http://nexus.sonatype.org/oss-repository-hosting.html/vertx-parent/vertx-ext/vertx-ext-parent/vertx-stomp: Stomp support for Vert.x 3 (Eclipse) 
public class io.vertx.ext.stomp.impl.HeaderCodec
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.vertx.ext.stomp.impl.HeaderCodec
  super_class: java.lang.Object
{
  private static final java.lang.String ESCAPE_ESCAPE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.String COLON_ESCAPE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.String LINE_FEED_ESCAPE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.String CARRIAGE_RETURN_ESCAPE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 27
            iconst_2
            newarray 5
            dup
            iconst_0
            bipush 92
            castore
            dup
            iconst_1
            bipush 92
            castore
            invokestatic java.lang.String.valueOf:([C)Ljava/lang/String;
            putstatic io.vertx.ext.stomp.impl.HeaderCodec.ESCAPE_ESCAPE:Ljava/lang/String;
         1: .line 28
            iconst_2
            newarray 5
            dup
            iconst_0
            bipush 92
            castore
            dup
            iconst_1
            bipush 99
            castore
            invokestatic java.lang.String.valueOf:([C)Ljava/lang/String;
            putstatic io.vertx.ext.stomp.impl.HeaderCodec.COLON_ESCAPE:Ljava/lang/String;
         2: .line 29
            iconst_2
            newarray 5
            dup
            iconst_0
            bipush 92
            castore
            dup
            iconst_1
            bipush 110
            castore
            invokestatic java.lang.String.valueOf:([C)Ljava/lang/String;
            putstatic io.vertx.ext.stomp.impl.HeaderCodec.LINE_FEED_ESCAPE:Ljava/lang/String;
         3: .line 30
            iconst_2
            newarray 5
            dup
            iconst_0
            bipush 92
            castore
            dup
            iconst_1
            bipush 114
            castore
            invokestatic java.lang.String.valueOf:([C)Ljava/lang/String;
            putstatic io.vertx.ext.stomp.impl.HeaderCodec.CARRIAGE_RETURN_ESCAPE:Ljava/lang/String;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.vertx.ext.stomp.impl.HeaderCodec this
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 34
            return
        end local 0 // io.vertx.ext.stomp.impl.HeaderCodec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/vertx/ext/stomp/impl/HeaderCodec;

  public static java.lang.String encode(java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Z)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // java.lang.String header
        start local 1 // boolean connectOrConnectedFrame
         0: .line 37
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 2 /* builder */
        start local 2 // java.lang.StringBuilder builder
         1: .line 39
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: goto 24
         3: .line 40
      StackMap locals: java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* header */
            iload 3 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 4 /* value */
        start local 4 // char value
         4: .line 41
            iload 4 /* value */
            lookupswitch { // 4
                   10: 7
                   13: 17
                   58: 12
                   92: 5
              default: 22
          }
         5: .line 44
      StackMap locals: int
      StackMap stack:
            aload 2 /* builder */
            getstatic io.vertx.ext.stomp.impl.HeaderCodec.ESCAPE_ESCAPE:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 45
            goto 23
         7: .line 47
      StackMap locals:
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 10
         8: .line 48
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         9: .line 49
            goto 23
        10: .line 50
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            getstatic io.vertx.ext.stomp.impl.HeaderCodec.LINE_FEED_ESCAPE:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        11: .line 52
            goto 23
        12: .line 54
      StackMap locals:
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 15
        13: .line 55
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        14: .line 56
            goto 23
        15: .line 57
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            getstatic io.vertx.ext.stomp.impl.HeaderCodec.COLON_ESCAPE:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        16: .line 59
            goto 23
        17: .line 61
      StackMap locals:
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 20
        18: .line 62
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        19: .line 63
            goto 23
        20: .line 64
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            getstatic io.vertx.ext.stomp.impl.HeaderCodec.CARRIAGE_RETURN_ESCAPE:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        21: .line 66
            goto 23
        22: .line 68
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        end local 4 // char value
        23: .line 39
      StackMap locals:
      StackMap stack:
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        24: iload 3 /* i */
            aload 0 /* header */
            invokevirtual java.lang.String.length:()I
            if_icmplt 3
        end local 3 // int i
        25: .line 71
            aload 2 /* builder */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 2 // java.lang.StringBuilder builder
        end local 1 // boolean connectOrConnectedFrame
        end local 0 // java.lang.String header
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0   26     0                   header  Ljava/lang/String;
            0   26     1  connectOrConnectedFrame  Z
            1   26     2                  builder  Ljava/lang/StringBuilder;
            2   25     3                        i  I
            4   23     4                    value  C
    MethodParameters:
                         Name  Flags
      header                   
      connectOrConnectedFrame  

  public static java.lang.String decode(java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Z)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // java.lang.String header
        start local 1 // boolean connectOrConnectedFrame
         0: .line 75
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 2 /* builder */
        start local 2 // java.lang.StringBuilder builder
         1: .line 77
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: .line 78
            goto 34
         3: .line 79
      StackMap locals: java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* header */
            iload 3 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 4 /* value */
        start local 4 // char value
         4: .line 80
            iload 4 /* value */
            bipush 92
            if_icmpne 32
            iload 3 /* i */
            iconst_1
            iadd
            aload 0 /* header */
            invokevirtual java.lang.String.length:()I
            if_icmpge 32
         5: .line 81
            aload 0 /* header */
            iload 3 /* i */
            iconst_1
            iadd
            invokevirtual java.lang.String.charAt:(I)C
            istore 5 /* next */
        start local 5 // char next
         6: .line 82
            iload 5 /* next */
            lookupswitch { // 4
                   92: 25
                   99: 19
                  110: 13
                  114: 7
              default: 28
          }
         7: .line 84
      StackMap locals: int int
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 10
         8: .line 85
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         9: .line 86
            goto 33
        10: .line 87
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            ldc "\r"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        11: .line 88
            iinc 3 /* i */ 1
        12: .line 90
            goto 33
        13: .line 92
      StackMap locals:
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 16
        14: .line 93
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        15: .line 94
            goto 33
        16: .line 95
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            bipush 10
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        17: .line 96
            iinc 3 /* i */ 1
        18: .line 98
            goto 33
        19: .line 100
      StackMap locals:
      StackMap stack:
            iload 1 /* connectOrConnectedFrame */
            ifeq 22
        20: .line 101
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        21: .line 102
            goto 33
        22: .line 103
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            ldc ":"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        23: .line 104
            iinc 3 /* i */ 1
        24: .line 106
            goto 33
        25: .line 109
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            bipush 92
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        26: .line 110
            iinc 3 /* i */ 1
        27: .line 111
            goto 33
        28: .line 114
      StackMap locals:
      StackMap stack:
            new io.vertx.ext.stomp.impl.FrameException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Incorrect header value - the header uses an illegal escaped character '"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        29: .line 115
            iload 5 /* next */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            ldc "' ("
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 5 /* next */
            i2b
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        30: .line 114
            invokespecial io.vertx.ext.stomp.impl.FrameException.<init>:(Ljava/lang/String;)V
            athrow
        end local 5 // char next
        31: .line 117
      StackMap locals:
      StackMap stack:
            goto 33
        32: .line 118
      StackMap locals:
      StackMap stack:
            aload 2 /* builder */
            iload 4 /* value */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        33: .line 120
      StackMap locals:
      StackMap stack:
            iinc 3 /* i */ 1
        end local 4 // char value
        34: .line 78
      StackMap locals:
      StackMap stack:
            iload 3 /* i */
            aload 0 /* header */
            invokevirtual java.lang.String.length:()I
            if_icmplt 3
        35: .line 122
            aload 2 /* builder */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 3 // int i
        end local 2 // java.lang.StringBuilder builder
        end local 1 // boolean connectOrConnectedFrame
        end local 0 // java.lang.String header
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0   36     0                   header  Ljava/lang/String;
            0   36     1  connectOrConnectedFrame  Z
            1   36     2                  builder  Ljava/lang/StringBuilder;
            2   36     3                        i  I
            4   34     4                    value  C
            6   31     5                     next  C
    MethodParameters:
                         Name  Flags
      header                   
      connectOrConnectedFrame  
}
SourceFile: "HeaderCodec.java"