package com.ruoyi.study.config;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.databind.DeserializationContext;
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import com.fasterxml.jackson.databind.JsonDeserializer;
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import java.io.IOException;
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public class ToLongDeserializer extends JsonDeserializer<Long> {
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@Override
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public Long deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
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String value = p.getText();
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try {
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return value != null ? Long.parseLong(value) : null;
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} catch (NumberFormatException e) {
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throw new IOException("Invalid long value: " + value, e);
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}
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}
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}
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