spring.turbo.format.StringToBooleanConverter Maven / Gradle / Ivy

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package spring.turbo.format;

import org.springframework.core.convert.TypeDescriptor;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.lang.Nullable;
import spring.turbo.util.StringFormatter;

import java.util.Set;

import static spring.turbo.util.StringPool.*;

/**
 * @author 应卓
 * @since 1.0.8
 */
public class StringToBooleanConverter implements GenericConverter {

    /**
     * 构造方法
     */
    public StringToBooleanConverter() {
        super();
    }

    @Override
    public Set getConvertibleTypes() {
        return Set.of(new ConvertiblePair(String.class, Boolean.class));
    }

    @Override
    public Object convert(@Nullable Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
        if (source == null) {
            return null;
        }

        final String text = source.toString().trim();

        if (TRUE.equalsIgnoreCase(text) || ON.equalsIgnoreCase(text) || ONE.equalsIgnoreCase(text)) {
            return TRUE;
        }

        if (FALSE.equalsIgnoreCase(text) || OFF.equalsIgnoreCase(text) || ZERO.equalsIgnoreCase(text)) {
            return Boolean.FALSE;
        }

        final String msg = StringFormatter.format("'{}' is not a valid boolean", text);
        throw new IllegalArgumentException(msg);
    }

}