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

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package spring.turbo.format;

import org.springframework.format.Formatter;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
import spring.turbo.bean.NumberPair;
import spring.turbo.bean.NumberZones;
import spring.turbo.util.CollectionUtils;
import spring.turbo.util.StringPool;

import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;

/**
 * @author 应卓
 * @since 1.3.1
 */
public class NumberZonesFormatter implements Formatter {

    private String delimiter = StringPool.SEMICOLON;
    private NumberPairFormatter numberPairFormatter = new NumberPairFormatter();
    private List backupDelimiters = new ArrayList<>();

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

    @Override
    public NumberZones parse(String text, Locale locale) throws ParseException {
        final List delimiterList = new ArrayList<>();
        CollectionUtils.nullSafeAdd(delimiterList, this.delimiter);
        CollectionUtils.nullSafeAddAll(delimiterList, this.backupDelimiters);

        for (String delimiter : delimiterList) {
            final var ret = this.doParse(text, locale, delimiter);
            if (ret != null) {
                return ret;
            }
        }

        throw new ParseException("text is not a valid NumberZones.", 0);
    }

    @Nullable
    private NumberZones doParse(String text, Locale locale, String delimiterToUse) {
        final String[] parts = StringUtils.delimitedListToStringArray(text, delimiterToUse);

        if (parts.length == 0) {
            return null;
        }

        final List list = new ArrayList<>(parts.length);

        for (String part : parts) {
            try {
                final NumberPair numberPair = numberPairFormatter.parse(part, locale);
                list.add(numberPair);
            } catch (ParseException e) {
                return null;
            }
        }

        return new NumberZones(list);
    }

    @Override
    public String print(NumberZones object, Locale locale) {
        return object.toString();
    }

    public void setDelimiter(String delimiter) {
        this.delimiter = delimiter;
    }

    public void setNumberPairFormatter(NumberPairFormatter numberPairFormatter) {
        this.numberPairFormatter = numberPairFormatter;
    }

    public final void setBackupDelimiters(String... backupDelimiters) {
        final List list = new ArrayList<>();
        CollectionUtils.nullSafeAddAll(list, backupDelimiters);
        this.backupDelimiters = Collections.unmodifiableList(list);
    }

}