27 lines
789 B
Kotlin
27 lines
789 B
Kotlin
package com.keylesspalace.tusky.util
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import org.json.JSONException
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import org.json.JSONObject
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import retrofit2.HttpException
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/**
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* checks if this throwable indicates an error causes by a 4xx/5xx server response and
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* tries to retrieve the error message the server sent
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* @return the error message, or null if this is no server error or it had no error message
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*/
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fun Throwable.getServerErrorMessage(): String? {
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if (this is HttpException) {
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val errorResponse = response()?.errorBody()?.string()
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return if (!errorResponse.isNullOrBlank()) {
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try {
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JSONObject(errorResponse).getString("error")
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} catch (e: JSONException) {
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null
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}
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} else {
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null
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}
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}
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return null
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}
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