spring.turbo.jackson2.support.ParserJsonDeserializer Maven / Gradle / Ivy

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package spring.turbo.jackson2.support;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import org.springframework.format.Parser;
import spring.turbo.core.SpringUtils;
import spring.turbo.util.Asserts;

import java.io.IOException;
import java.util.Locale;

/**
 * @author 应卓
 * @see Parser
 * @see org.springframework.format.Formatter
 * @since 1.3.1
 */
@SuppressWarnings({"rawtypes", "unchecked"})
public abstract class ParserJsonDeserializer extends JsonDeserializer {

    private final Class parserBeanType;
    private final Parser defaultParser;

    public ParserJsonDeserializer(Class parserBeanType, Parser defaultParser) {
        Asserts.notNull(parserBeanType);
        Asserts.notNull(defaultParser);
        this.parserBeanType = parserBeanType;
        this.defaultParser = defaultParser;
    }

    @Override
    public final Object deserialize(JsonParser p, DeserializationContext cxt) throws IOException {
        try {
            final Parser parser = (Parser) SpringUtils.getBean(parserBeanType).orElse(defaultParser);
            return parser.parse(p.getValueAsString(), Locale.getDefault());
        } catch (Throwable e) {
            throw new IOException(e.getMessage());
        }
    }

}