https://github.com/douglascrockford/JSON-java: JSON is a light-weight, language independent, data interchange format. See http://www.JSON.org/ The files in this package implement JSON encoders/decoders in Java. It also includes the capability to convert between JSON and XML, HTTP headers, Cookies, and CDL. This is a reference implementation. There is a large number of JSON packages in Java. Perhaps someday the Java community will standardize on one. Until then, choose carefully. The license includes this restriction: "The software shall be used for good, not evil." If your conscience cannot live with that, then choose a different package.
  • Douglas Crockford 
public class org.json.Cookie
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.json.Cookie
  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 // org.json.Cookie this
         0: .line 33
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.json.Cookie this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/json/Cookie;

  public static java.lang.String escape(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=6, args_size=1
        start local 0 // java.lang.String string
         0: .line 49
            aload 0 /* string */
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            astore 2 /* s */
        start local 2 // java.lang.String s
         1: .line 50
            aload 2 /* s */
            invokevirtual java.lang.String.length:()I
            istore 3 /* length */
        start local 3 // int length
         2: .line 51
            new java.lang.StringBuilder
            dup
            iload 3 /* length */
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 4 /* sb */
        start local 4 // java.lang.StringBuilder sb
         3: .line 52
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         4: goto 13
         5: .line 53
      StackMap locals: java.lang.String top java.lang.String int java.lang.StringBuilder int
      StackMap stack:
            aload 2 /* s */
            iload 5 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 1 /* c */
        start local 1 // char c
         6: .line 54
            iload 1 /* c */
            bipush 32
            if_icmplt 7
            iload 1 /* c */
            bipush 43
            if_icmpeq 7
            iload 1 /* c */
            bipush 37
            if_icmpeq 7
            iload 1 /* c */
            bipush 61
            if_icmpeq 7
            iload 1 /* c */
            bipush 59
            if_icmpne 11
         7: .line 55
      StackMap locals: java.lang.String int java.lang.String int java.lang.StringBuilder int
      StackMap stack:
            aload 4 /* sb */
            bipush 37
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         8: .line 56
            aload 4 /* sb */
            iload 1 /* c */
            iconst_4
            iushr
            bipush 15
            iand
            i2c
            bipush 16
            invokestatic java.lang.Character.forDigit:(II)C
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         9: .line 57
            aload 4 /* sb */
            iload 1 /* c */
            bipush 15
            iand
            i2c
            bipush 16
            invokestatic java.lang.Character.forDigit:(II)C
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        10: .line 58
            goto 12
        11: .line 59
      StackMap locals:
      StackMap stack:
            aload 4 /* sb */
            iload 1 /* c */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        12: .line 52
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ 1
        end local 1 // char c
      StackMap locals: java.lang.String top java.lang.String int java.lang.StringBuilder int
      StackMap stack:
        13: iload 5 /* i */
            iload 3 /* length */
            if_icmplt 5
        end local 5 // int i
        14: .line 62
            aload 4 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 4 // java.lang.StringBuilder sb
        end local 3 // int length
        end local 2 // java.lang.String s
        end local 0 // java.lang.String string
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   15     0  string  Ljava/lang/String;
            6   13     1       c  C
            1   15     2       s  Ljava/lang/String;
            2   15     3  length  I
            3   15     4      sb  Ljava/lang/StringBuilder;
            4   14     5       i  I
    MethodParameters:
        Name  Flags
      string  

  public static org.json.JSONObject toJSONObject(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/json/JSONObject;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=5, args_size=1
        start local 0 // java.lang.String string
         0: .line 83
            new org.json.JSONObject
            dup
            invokespecial org.json.JSONObject.<init>:()V
            astore 2 /* jo */
        start local 2 // org.json.JSONObject jo
         1: .line 85
            new org.json.JSONTokener
            dup
            aload 0 /* string */
            invokespecial org.json.JSONTokener.<init>:(Ljava/lang/String;)V
            astore 4 /* x */
        start local 4 // org.json.JSONTokener x
         2: .line 86
            aload 2 /* jo */
            ldc "name"
            aload 4 /* x */
            bipush 61
            invokevirtual org.json.JSONTokener.nextTo:(C)Ljava/lang/String;
            invokevirtual org.json.JSONObject.put:(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
            pop
         3: .line 87
            aload 4 /* x */
            bipush 61
            invokevirtual org.json.JSONTokener.next:(C)C
            pop
         4: .line 88
            aload 2 /* jo */
            ldc "value"
            aload 4 /* x */
            bipush 59
            invokevirtual org.json.JSONTokener.nextTo:(C)Ljava/lang/String;
            invokevirtual org.json.JSONObject.put:(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
            pop
         5: .line 89
            aload 4 /* x */
            invokevirtual org.json.JSONTokener.next:()C
            pop
         6: .line 90
            goto 16
         7: .line 91
      StackMap locals: java.lang.String top org.json.JSONObject top org.json.JSONTokener
      StackMap stack:
            aload 4 /* x */
            ldc "=;"
            invokevirtual org.json.JSONTokener.nextTo:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.json.Cookie.unescape:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* name */
        start local 1 // java.lang.String name
         8: .line 92
            aload 4 /* x */
            invokevirtual org.json.JSONTokener.next:()C
            bipush 61
            if_icmpeq 13
         9: .line 93
            aload 1 /* name */
            ldc "secure"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 12
        10: .line 94
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            astore 3 /* value */
        start local 3 // java.lang.Object value
        11: .line 95
            goto 15
        end local 3 // java.lang.Object value
        12: .line 96
      StackMap locals: java.lang.String java.lang.String org.json.JSONObject top org.json.JSONTokener
      StackMap stack:
            aload 4 /* x */
            ldc "Missing '=' in cookie parameter."
            invokevirtual org.json.JSONTokener.syntaxError:(Ljava/lang/String;)Lorg/json/JSONException;
            athrow
        13: .line 99
      StackMap locals:
      StackMap stack:
            aload 4 /* x */
            bipush 59
            invokevirtual org.json.JSONTokener.nextTo:(C)Ljava/lang/String;
            invokestatic org.json.Cookie.unescape:(Ljava/lang/String;)Ljava/lang/String;
            astore 3 /* value */
        start local 3 // java.lang.Object value
        14: .line 100
            aload 4 /* x */
            invokevirtual org.json.JSONTokener.next:()C
            pop
        15: .line 102
      StackMap locals: java.lang.String java.lang.String org.json.JSONObject java.lang.Object org.json.JSONTokener
      StackMap stack:
            aload 2 /* jo */
            aload 1 /* name */
            aload 3 /* value */
            invokevirtual org.json.JSONObject.put:(Ljava/lang/String;Ljava/lang/Object;)Lorg/json/JSONObject;
            pop
        end local 3 // java.lang.Object value
        end local 1 // java.lang.String name
        16: .line 90
      StackMap locals: java.lang.String top org.json.JSONObject top org.json.JSONTokener
      StackMap stack:
            aload 4 /* x */
            invokevirtual org.json.JSONTokener.more:()Z
            ifne 7
        17: .line 104
            aload 2 /* jo */
            areturn
        end local 4 // org.json.JSONTokener x
        end local 2 // org.json.JSONObject jo
        end local 0 // java.lang.String string
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   18     0  string  Ljava/lang/String;
            8   16     1    name  Ljava/lang/String;
            1   18     2      jo  Lorg/json/JSONObject;
           11   12     3   value  Ljava/lang/Object;
           14   16     3   value  Ljava/lang/Object;
            2   18     4       x  Lorg/json/JSONTokener;
    Exceptions:
      throws org.json.JSONException
    MethodParameters:
        Name  Flags
      string  

  public static java.lang.String toString(org.json.JSONObject);
    descriptor: (Lorg/json/JSONObject;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.json.JSONObject jo
         0: .line 119
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 1 /* sb */
        start local 1 // java.lang.StringBuilder sb
         1: .line 121
            aload 1 /* sb */
            aload 0 /* jo */
            ldc "name"
            invokevirtual org.json.JSONObject.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.json.Cookie.escape:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         2: .line 122
            aload 1 /* sb */
            ldc "="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         3: .line 123
            aload 1 /* sb */
            aload 0 /* jo */
            ldc "value"
            invokevirtual org.json.JSONObject.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.json.Cookie.escape:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 124
            aload 0 /* jo */
            ldc "expires"
            invokevirtual org.json.JSONObject.has:(Ljava/lang/String;)Z
            ifeq 7
         5: .line 125
            aload 1 /* sb */
            ldc ";expires="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 126
            aload 1 /* sb */
            aload 0 /* jo */
            ldc "expires"
            invokevirtual org.json.JSONObject.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         7: .line 128
      StackMap locals: java.lang.StringBuilder
      StackMap stack:
            aload 0 /* jo */
            ldc "domain"
            invokevirtual org.json.JSONObject.has:(Ljava/lang/String;)Z
            ifeq 10
         8: .line 129
            aload 1 /* sb */
            ldc ";domain="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         9: .line 130
            aload 1 /* sb */
            aload 0 /* jo */
            ldc "domain"
            invokevirtual org.json.JSONObject.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.json.Cookie.escape:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        10: .line 132
      StackMap locals:
      StackMap stack:
            aload 0 /* jo */
            ldc "path"
            invokevirtual org.json.JSONObject.has:(Ljava/lang/String;)Z
            ifeq 13
        11: .line 133
            aload 1 /* sb */
            ldc ";path="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        12: .line 134
            aload 1 /* sb */
            aload 0 /* jo */
            ldc "path"
            invokevirtual org.json.JSONObject.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.json.Cookie.escape:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        13: .line 136
      StackMap locals:
      StackMap stack:
            aload 0 /* jo */
            ldc "secure"
            invokevirtual org.json.JSONObject.optBoolean:(Ljava/lang/String;)Z
            ifeq 15
        14: .line 137
            aload 1 /* sb */
            ldc ";secure"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        15: .line 139
      StackMap locals:
      StackMap stack:
            aload 1 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder sb
        end local 0 // org.json.JSONObject jo
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0    jo  Lorg/json/JSONObject;
            1   16     1    sb  Ljava/lang/StringBuilder;
    Exceptions:
      throws org.json.JSONException
    MethodParameters:
      Name  Flags
      jo    

  public static java.lang.String unescape(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=7, args_size=1
        start local 0 // java.lang.String string
         0: .line 151
            aload 0 /* string */
            invokevirtual java.lang.String.length:()I
            istore 1 /* length */
        start local 1 // int length
         1: .line 152
            new java.lang.StringBuilder
            dup
            iload 1 /* length */
            invokespecial java.lang.StringBuilder.<init>:(I)V
            astore 2 /* sb */
        start local 2 // java.lang.StringBuilder sb
         2: .line 153
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 16
         4: .line 154
      StackMap locals: int java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* string */
            iload 3 /* i */
            invokevirtual java.lang.String.charAt:(I)C
            istore 4 /* c */
        start local 4 // char c
         5: .line 155
            iload 4 /* c */
            bipush 43
            if_icmpne 8
         6: .line 156
            bipush 32
            istore 4 /* c */
         7: .line 157
            goto 14
      StackMap locals: int
      StackMap stack:
         8: iload 4 /* c */
            bipush 37
            if_icmpne 14
            iload 3 /* i */
            iconst_2
            iadd
            iload 1 /* length */
            if_icmpge 14
         9: .line 158
            aload 0 /* string */
            iload 3 /* i */
            iconst_1
            iadd
            invokevirtual java.lang.String.charAt:(I)C
            invokestatic org.json.JSONTokener.dehexchar:(C)I
            istore 5 /* d */
        start local 5 // int d
        10: .line 159
            aload 0 /* string */
            iload 3 /* i */
            iconst_2
            iadd
            invokevirtual java.lang.String.charAt:(I)C
            invokestatic org.json.JSONTokener.dehexchar:(C)I
            istore 6 /* e */
        start local 6 // int e
        11: .line 160
            iload 5 /* d */
            iflt 14
            iload 6 /* e */
            iflt 14
        12: .line 161
            iload 5 /* d */
            bipush 16
            imul
            iload 6 /* e */
            iadd
            i2c
            istore 4 /* c */
        13: .line 162
            iinc 3 /* i */ 2
        end local 6 // int e
        end local 5 // int d
        14: .line 165
      StackMap locals:
      StackMap stack:
            aload 2 /* sb */
            iload 4 /* c */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        end local 4 // char c
        15: .line 153
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        16: iload 3 /* i */
            iload 1 /* length */
            if_icmplt 4
        end local 3 // int i
        17: .line 167
            aload 2 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 2 // java.lang.StringBuilder sb
        end local 1 // int length
        end local 0 // java.lang.String string
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   18     0  string  Ljava/lang/String;
            1   18     1  length  I
            2   18     2      sb  Ljava/lang/StringBuilder;
            3   17     3       i  I
            5   15     4       c  C
           10   14     5       d  I
           11   14     6       e  I
    MethodParameters:
        Name  Flags
      string  
}
SourceFile: "Cookie.java"