Start importing permalink classes from old SDK/Riot
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ganfra
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package im.vector.matrix.android.api.permalinks
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import java.util.*
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import java.util.regex.Pattern
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/**
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* This class contains pattern to match the different Matrix ids
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*/
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object MatrixPatterns {
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// Note: TLD is not mandatory (localhost, IP address...)
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private val DOMAIN_REGEX = ":[A-Z0-9.-]+(:[0-9]{2,5})?"
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// regex pattern to find matrix user ids in a string.
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// See https://matrix.org/speculator/spec/HEAD/appendices.html#historical-user-ids
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private val MATRIX_USER_IDENTIFIER_REGEX = "@[A-Z0-9\\x21-\\x39\\x3B-\\x7F]+$DOMAIN_REGEX"
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val PATTERN_CONTAIN_MATRIX_USER_IDENTIFIER = Pattern.compile(MATRIX_USER_IDENTIFIER_REGEX, Pattern.CASE_INSENSITIVE)
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// regex pattern to find room ids in a string.
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private val MATRIX_ROOM_IDENTIFIER_REGEX = "![A-Z0-9]+$DOMAIN_REGEX"
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val PATTERN_CONTAIN_MATRIX_ROOM_IDENTIFIER = Pattern.compile(MATRIX_ROOM_IDENTIFIER_REGEX, Pattern.CASE_INSENSITIVE)
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// regex pattern to find room aliases in a string.
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private val MATRIX_ROOM_ALIAS_REGEX = "#[A-Z0-9._%#@=+-]+$DOMAIN_REGEX"
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val PATTERN_CONTAIN_MATRIX_ALIAS = Pattern.compile(MATRIX_ROOM_ALIAS_REGEX, Pattern.CASE_INSENSITIVE)
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// regex pattern to find message ids in a string.
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private val MATRIX_EVENT_IDENTIFIER_REGEX = "\\$[A-Z0-9]+$DOMAIN_REGEX"
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val PATTERN_CONTAIN_MATRIX_EVENT_IDENTIFIER = Pattern.compile(MATRIX_EVENT_IDENTIFIER_REGEX, Pattern.CASE_INSENSITIVE)
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// regex pattern to find group ids in a string.
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private val MATRIX_GROUP_IDENTIFIER_REGEX = "\\+[A-Z0-9=_\\-./]+$DOMAIN_REGEX"
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val PATTERN_CONTAIN_MATRIX_GROUP_IDENTIFIER = Pattern.compile(MATRIX_GROUP_IDENTIFIER_REGEX, Pattern.CASE_INSENSITIVE)
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// regex pattern to find permalink with message id.
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// Android does not support in URL so extract it.
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private val PERMALINK_BASE_REGEX = "https://matrix\\.to/#/"
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private val APP_BASE_REGEX = "https://[A-Z0-9.-]+\\.[A-Z]{2,}/[A-Z]{3,}/#/room/"
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private val SEP_REGEX = "/"
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private val LINK_TO_ROOM_ID_REGEXP = PERMALINK_BASE_REGEX + MATRIX_ROOM_IDENTIFIER_REGEX + SEP_REGEX + MATRIX_EVENT_IDENTIFIER_REGEX
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val PATTERN_CONTAIN_MATRIX_TO_PERMALINK_ROOM_ID = Pattern.compile(LINK_TO_ROOM_ID_REGEXP, Pattern.CASE_INSENSITIVE)
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private val LINK_TO_ROOM_ALIAS_REGEXP = PERMALINK_BASE_REGEX + MATRIX_ROOM_ALIAS_REGEX + SEP_REGEX + MATRIX_EVENT_IDENTIFIER_REGEX
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val PATTERN_CONTAIN_MATRIX_TO_PERMALINK_ROOM_ALIAS = Pattern.compile(LINK_TO_ROOM_ALIAS_REGEXP, Pattern.CASE_INSENSITIVE)
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private val LINK_TO_APP_ROOM_ID_REGEXP = APP_BASE_REGEX + MATRIX_ROOM_IDENTIFIER_REGEX + SEP_REGEX + MATRIX_EVENT_IDENTIFIER_REGEX
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val PATTERN_CONTAIN_APP_LINK_PERMALINK_ROOM_ID = Pattern.compile(LINK_TO_APP_ROOM_ID_REGEXP, Pattern.CASE_INSENSITIVE)
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private val LINK_TO_APP_ROOM_ALIAS_REGEXP = APP_BASE_REGEX + MATRIX_ROOM_ALIAS_REGEX + SEP_REGEX + MATRIX_EVENT_IDENTIFIER_REGEX
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val PATTERN_CONTAIN_APP_LINK_PERMALINK_ROOM_ALIAS = Pattern.compile(LINK_TO_APP_ROOM_ALIAS_REGEXP, Pattern.CASE_INSENSITIVE)
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// list of patterns to find some matrix item.
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val MATRIX_PATTERNS = Arrays.asList(
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_TO_PERMALINK_ROOM_ID,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_TO_PERMALINK_ROOM_ALIAS,
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MatrixPatterns.PATTERN_CONTAIN_APP_LINK_PERMALINK_ROOM_ID,
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MatrixPatterns.PATTERN_CONTAIN_APP_LINK_PERMALINK_ROOM_ALIAS,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_USER_IDENTIFIER,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_ALIAS,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_ROOM_IDENTIFIER,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_EVENT_IDENTIFIER,
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MatrixPatterns.PATTERN_CONTAIN_MATRIX_GROUP_IDENTIFIER
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)
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/**
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* Tells if a string is a valid user Id.
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*
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* @param str the string to test
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* @return true if the string is a valid user id
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*/
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fun isUserId(str: String?): Boolean {
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return str != null && PATTERN_CONTAIN_MATRIX_USER_IDENTIFIER.matcher(str).matches()
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}
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/**
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* Tells if a string is a valid room id.
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*
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* @param str the string to test
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* @return true if the string is a valid room Id
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*/
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fun isRoomId(str: String?): Boolean {
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return str != null && PATTERN_CONTAIN_MATRIX_ROOM_IDENTIFIER.matcher(str).matches()
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}
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/**
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* Tells if a string is a valid room alias.
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*
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* @param str the string to test
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* @return true if the string is a valid room alias.
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*/
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fun isRoomAlias(str: String?): Boolean {
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return str != null && PATTERN_CONTAIN_MATRIX_ALIAS.matcher(str).matches()
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}
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/**
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* Tells if a string is a valid event id.
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*
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* @param str the string to test
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* @return true if the string is a valid event id.
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*/
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fun isEventId(str: String?): Boolean {
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return str != null && PATTERN_CONTAIN_MATRIX_EVENT_IDENTIFIER.matcher(str).matches()
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}
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/**
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* Tells if a string is a valid group id.
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*
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* @param str the string to test
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* @return true if the string is a valid group id.
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*/
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fun isGroupId(str: String?): Boolean {
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return str != null && PATTERN_CONTAIN_MATRIX_GROUP_IDENTIFIER.matcher(str).matches()
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}
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}// Cannot be instantiated
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@ -0,0 +1,18 @@
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package im.vector.matrix.android.api.permalinks
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import android.text.style.ClickableSpan
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import android.view.View
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class MatrixURLSpan(private val url: String,
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private val callback: Callback? = null) : ClickableSpan() {
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interface Callback {
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fun onUrlClicked(url: String)
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}
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override fun onClick(widget: View) {
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callback?.onUrlClicked(url)
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}
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}
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@ -0,0 +1,35 @@
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package im.vector.matrix.android.api.permalinks
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import android.text.Spannable
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import android.text.SpannableStringBuilder
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object MatrixUrlLinkify {
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/**
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* Find the matrix spans i.e matrix id , user id ... to display them as URL.
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*
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* @param spannableStringBuilder the text in which the matrix items has to be clickable.
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*/
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fun addLinks(spannableStringBuilder: SpannableStringBuilder, callback: MatrixURLSpan.Callback?) {
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// sanity checks
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if (spannableStringBuilder.isEmpty()) {
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return
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}
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val text = spannableStringBuilder.toString()
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for (index in MatrixPatterns.MATRIX_PATTERNS.indices) {
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val pattern = MatrixPatterns.MATRIX_PATTERNS[index]
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val matcher = pattern.matcher(spannableStringBuilder)
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while (matcher.find()) {
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val startPos = matcher.start(0)
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if (startPos == 0 || text[startPos - 1] != '/') {
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val endPos = matcher.end(0)
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val url = text.substring(matcher.start(0), matcher.end(0))
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val span = MatrixURLSpan(url, callback)
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spannableStringBuilder.setSpan(span, startPos, endPos, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
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}
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}
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}
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}
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}
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@ -0,0 +1,78 @@
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package im.vector.matrix.android.api.permalinks
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import android.text.TextUtils
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import im.vector.matrix.android.api.session.events.model.Event
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/**
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* Useful methods to deals with Matrix permalink
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*/
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object PermalinkUtils {
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private val MATRIX_TO_URL_BASE = "https://matrix.to/#/"
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/**
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* Creates a permalink for an event.
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* Ex: "https://matrix.to/#/!nbzmcXAqpxBXjAdgoX:matrix.org/$1531497316352799BevdV:matrix.org"
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*
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* @param event the event
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* @return the permalink, or null in case of error
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*/
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fun createPermalink(event: Event): String? {
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if (event.roomId.isNullOrEmpty() || event.eventId.isNullOrEmpty()) {
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return null
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}
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return createPermalink(event.roomId, event.eventId)
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}
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/**
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* Creates a permalink for an id (can be a user Id, Room Id, etc.).
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* Ex: "https://matrix.to/#/@benoit:matrix.org"
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*
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* @param id the id
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* @return the permalink, or null in case of error
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*/
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fun createPermalink(id: String): String? {
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return if (TextUtils.isEmpty(id)) {
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null
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} else MATRIX_TO_URL_BASE + escape(id)
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}
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/**
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* Creates a permalink for an event. If you have an event you can use [.createPermalink]
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* Ex: "https://matrix.to/#/!nbzmcXAqpxBXjAdgoX:matrix.org/$1531497316352799BevdV:matrix.org"
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*
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* @param roomId the id of the room
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* @param eventId the id of the event
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* @return the permalink
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*/
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fun createPermalink(roomId: String, eventId: String): String {
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return MATRIX_TO_URL_BASE + escape(roomId) + "/" + escape(eventId)
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}
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/**
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* Extract the linked id from the universal link
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*
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* @param url the universal link, Ex: "https://matrix.to/#/@benoit:matrix.org"
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* @return the id from the url, ex: "@benoit:matrix.org", or null if the url is not a permalink
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*/
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fun getLinkedId(url: String?): String? {
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val isSupported = url != null && url.startsWith(MATRIX_TO_URL_BASE)
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return if (isSupported) {
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url!!.substring(MATRIX_TO_URL_BASE.length)
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} else null
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}
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/**
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* Escape '/' in id, because it is used as a separator
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*
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* @param id the id to escape
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* @return the escaped id
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*/
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private fun escape(id: String): String {
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return id.replace("/".toRegex(), "%2F")
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}
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}
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@ -25,7 +25,7 @@ data class Event(
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@Json(name = "origin_server_ts") val originServerTs: Long? = null,
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@Json(name = "sender") val sender: String? = null,
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@Json(name = "state_key") val stateKey: String? = null,
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@Json(name = "room_id") var roomId: String? = null,
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@Json(name = "room_id") val roomId: String? = null,
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@Json(name = "unsigned") val unsignedData: UnsignedData? = null,
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@Json(name = "redacts") val redacts: String? = null
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