37 lines
1.7 KiB
Kotlin
37 lines
1.7 KiB
Kotlin
/* Copyright 2020 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.json
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import android.text.Spanned
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import android.text.SpannedString
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import androidx.core.text.HtmlCompat
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import androidx.core.text.parseAsHtml
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import com.google.gson.*
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import com.keylesspalace.tusky.util.trimTrailingWhitespace
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import java.lang.reflect.Type
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class SpannedTypeAdapter : JsonDeserializer<Spanned>, JsonSerializer<Spanned?> {
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@Throws(JsonParseException::class)
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override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Spanned {
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/* Html.fromHtml returns trailing whitespace if the html ends in a </p> tag, which
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* all status contents do, so it should be trimmed. */
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return json.asString?.parseAsHtml()?.trimTrailingWhitespace() ?: SpannedString("")
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}
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override fun serialize(src: Spanned?, typeOfSrc: Type, context: JsonSerializationContext): JsonElement {
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return JsonPrimitive(HtmlCompat.toHtml(src!!, HtmlCompat.TO_HTML_PARAGRAPH_LINES_INDIVIDUAL))
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}
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} |