package com.mzl.flower.dto.map.gaode;
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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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import java.io.IOException;
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public class CityCodeTypeAdapter extends TypeAdapter<String> {
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@Override
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public void write(JsonWriter out, String value) throws IOException {
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if (value == null) {
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out.nullValue();
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} else {
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out.value(value);
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}
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}
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@Override
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public String read(JsonReader in) throws IOException {
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if (in.peek() == JsonToken.BEGIN_ARRAY) {
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// 处理数组类型
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StringBuilder result = new StringBuilder();
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in.beginArray();
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while (in.hasNext()) {
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if (result.length() > 0) {
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result.append(",");
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}
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result.append(in.nextString());
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}
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in.endArray();
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return result.toString();
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} else if (in.peek() == JsonToken.STRING) {
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// 处理字符串类型
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return in.nextString();
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} else if (in.peek() == JsonToken.NULL) {
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in.nextNull();
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return "";
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} else {
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throw new IllegalStateException("Unexpected JSON type: " + in.peek());
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}
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}
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}
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