11package android.net
22
3+ import java.io.File
4+ import java.io.UnsupportedEncodingException
35import java.net.URI
46import java.util.Collections
57
@@ -8,11 +10,105 @@ class Uri(private val uri: URI) {
810 companion object {
911 @JvmStatic
1012 fun parse (uriString : String ) = Uri (URI .create(uriString))
13+
14+ @JvmStatic
15+ fun encode (s : String? ): String? = encode(s, null )
16+
17+ @JvmStatic
18+ fun encode (s : String? , allow : String? ): String? {
19+ if (s == null ) {
20+ return null
21+ } else {
22+ var encoded: StringBuilder ? = null
23+ val oldLength = s.length
24+
25+ var nextAllowed: Int
26+ var current = 0
27+ while (current < oldLength) {
28+ var nextToEncode = current
29+ while (nextToEncode < oldLength && isAllowed(s[nextToEncode], allow)) {
30+ ++ nextToEncode
31+ }
32+
33+ if (nextToEncode == oldLength) {
34+ if (current == 0 ) {
35+ return s
36+ }
37+
38+ encoded!! .append(s, current, oldLength)
39+ return encoded.toString()
40+ }
41+
42+ if (encoded == null ) {
43+ encoded = StringBuilder ()
44+ }
45+
46+ if (nextToEncode > current) {
47+ encoded.append(s, current, nextToEncode)
48+ }
49+
50+ current = nextToEncode
51+
52+ nextAllowed = current + 1
53+ while (nextAllowed < oldLength && ! isAllowed(s[nextAllowed], allow)) {
54+ ++ nextAllowed
55+ }
56+
57+ val toEncode = s.substring(current, nextAllowed)
58+
59+ try {
60+ val bytes = toEncode.toByteArray(charset(" UTF-8"
61+ val bytesLength = bytes.size
62+
63+ for (i in 0 until bytesLength) {
64+ encoded.append(' %'
65+ encoded.append(HEX_DIGITS [(bytes[i].toInt() and 240 ) shr 4 ])
66+ encoded.append(HEX_DIGITS [bytes[i].toInt() and 15 ])
67+ }
68+ } catch (var11: UnsupportedEncodingException ) {
69+ val e = var11
70+ throw AssertionError (e)
71+ }
72+ current = nextAllowed
73+ }
74+
75+ return encoded?.toString() ? : s
76+ }
77+ }
78+
79+ @JvmStatic
80+ fun fromFile (file : File ? ): Uri {
81+ TODO ()
82+ }
83+
84+ @JvmStatic
85+ fun fromParts (scheme : String? , ssp : String? , fragment : String? ): Uri {
86+ TODO ()
87+ }
88+
89+ @JvmStatic
90+ fun decode (s : String? ): String? {
91+ TODO ()
92+ }
93+
94+ @JvmStatic
95+ fun withAppendedPath (baseUri : Uri , pathSegment : String? ): Uri {
96+ TODO ()
97+ }
98+
99+ private fun isAllowed (c : Char , allow : String? ): Boolean {
100+ return ((c >= ' A' && c <= ' Z'
101+ || (c >= ' a' && c <= ' z'
102+ || (c >= ' 0' && c <= ' 9'
103+ || (" _-!.~'()*" != NOT_FOUND
104+ ) || (allow != null && allow.indexOf(c) != NOT_FOUND ))
105+ }
11106 }
12107
13108 val scheme get() = uri.scheme
14109 val port get() = uri.port
15110 val host get() = uri.host
111+ val path get() = uri.path
16112
17113 fun getQueryParameterNames (): Set <String > {
18114 val query: String = uri.query ? : return emptySet()
@@ -66,3 +162,8 @@ class Uri(private val uri: URI) {
66162 return null
67163 }
68164}
165+
166+ /* * Index of a component which was not found. */
167+ private const val NOT_FOUND = - 1
168+
169+ private val HEX_DIGITS = " 0123456789ABCDEF"
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