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• RegUtils.java

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io.github.xtazxz.base.common.utils.reg.RegUtils Maven / Gradle / Ivy

package io.github.xtazxz.base.common.utils.reg;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 正则工具类.
 */
public class RegUtils {

  private RegUtils() {

  }

  private static final String NAME_JDBC_HOSTNAME = "hostname";

  private static final String NAME_JDBC_PORT = "port";

  private static final String REG_JDBC =
      "://(?<" + NAME_JDBC_HOSTNAME + ">.*):(?<" + NAME_JDBC_PORT + ">\\d+)/";

  public static Jdbc parseJdbcUrl(String jdbcUrl) {
    String hostname;
    int port;
    Pattern jdbcPattern = Pattern.compile(REG_JDBC);
    Matcher matcher = jdbcPattern.matcher(jdbcUrl);
    if (matcher.find()) {
      hostname = matcher.group(NAME_JDBC_HOSTNAME);
      port = Integer.parseInt(matcher.group(NAME_JDBC_PORT));
      if (hostname == null || hostname.isEmpty()) {
        throw new IllegalArgumentException(NAME_JDBC_HOSTNAME);
      }
      if (port <= 0) {
        throw new IllegalArgumentException(NAME_JDBC_PORT);
      }
      return new Jdbc(hostname, port);
    } else {
      throw new IllegalArgumentException("Invalid JDBC URL");
    }
  }

}