com.alibaba.fastjson2.JSONPathSingleNameInteger Maven / Gradle / Ivy

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Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

There is a newer version: 2.0.53.android8

package com.alibaba.fastjson2;

final class JSONPathSingleNameInteger
        extends JSONPathTyped {
    final long nameHashCode;
    final String name;

    public JSONPathSingleNameInteger(JSONPathSingleName jsonPath) {
        super(jsonPath, Integer.class);
        this.nameHashCode = jsonPath.nameHashCode;
        this.name = jsonPath.name;
    }

    @Override
    public Object extract(JSONReader jsonReader) {
        if (jsonReader.jsonb) {
            if (jsonReader.isObject()) {
                jsonReader.nextIfObjectStart();
                while (!jsonReader.nextIfObjectEnd()) {
                    long nameHashCode = jsonReader.readFieldNameHashCode();
                    if (nameHashCode == 0) {
                        continue;
                    }

                    boolean match = nameHashCode == this.nameHashCode;
                    if (!match && (!jsonReader.isObject()) && !jsonReader.isArray()) {
                        jsonReader.skipValue();
                        continue;
                    }

                    return jsonReader.readInt32();
                }
            }
        } else if (jsonReader.nextIfObjectStart()) {
            while (!jsonReader.nextIfObjectEnd()) {
                long nameHashCode = jsonReader.readFieldNameHashCode();
                boolean match = nameHashCode == this.nameHashCode;

                if (!match) {
                    jsonReader.skipValue();
                    continue;
                }

                return jsonReader.readInt32();
            }
        }

        return null;
    }
}