22 lines
587 B
Kotlin
22 lines
587 B
Kotlin
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package com.xscm.moduleutil.utils
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import com.google.gson.TypeAdapter
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import com.google.gson.stream.JsonReader
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import com.google.gson.stream.JsonToken
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import com.google.gson.stream.JsonWriter
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class NullToEmptyStringAdapter : TypeAdapter<String>() {
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override fun write(out: JsonWriter, value: String?) {
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out.value(value ?: "")
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}
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override fun read(`in`: JsonReader): String {
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return if (`in`.peek() == JsonToken.NULL) {
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`in`.nextNull()
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"" // null → 空字符串
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} else {
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`in`.nextString() ?: ""
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}
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}
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}
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