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EASER Insights - JDBC.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.github.matteobertozzi.easerinsights.jdbc.connection;

import java.io.IOException;
import java.io.Serial;
import java.sql.SQLException;

public class DbConnectionException extends IOException {
  @Serial private static final long serialVersionUID = 1L;

  private final String sqlState;

  public DbConnectionException(final String msg) {
    super(msg);
    this.sqlState = null;
  }

  public DbConnectionException(final Throwable cause, final String msg) {
    super(msg, cause);

    if (cause instanceof final SQLException sqlCause) {
      this.sqlState = sqlCause.getSQLState();
    } else {
      this.sqlState = null;
    }
  }

  public String getSqlState() {
    return sqlState;
  }

  public boolean isUnableToEstablishConnection() {
    return SqlState.equals(sqlState, SqlState.CANNOT_ESTABLISH_CONNECTION);
  }
}