Source Code : Print warnings on a Connection to a specified PrintWriter.

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Print warnings on a Connection to a specified PrintWriter.

   
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;

/* 
 * 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.
 *
 *
 */
public class Main {



  /**
   * Print warnings on a Connection to STDERR.
   *
   * @param conn Connection to print warnings from
   */
  public static void printWarnings(Connection conn) {
      printWarnings(conn, new PrintWriter(System.err));
  }

  /**
   * Print warnings on a Connection to a specified PrintWriter. 
   *
   * @param conn Connection to print warnings from
   * @param pw PrintWriter to print to
   */
  public static void printWarnings(Connection conn, PrintWriter pw) {
      if (conn != null) {
          try {
              printStackTrace(conn.getWarnings(), pw);
          } catch (SQLException e) {
              printStackTrace(e, pw);
          }
      }
  }


  /**
   * Print the stack trace for a SQLException to a 
   * specified PrintWriter. 
   *
   * @param e SQLException to print stack trace of
   * @param pw PrintWriter to print to
   */
  public static void printStackTrace(SQLException e, PrintWriter pw) {

      SQLException next = e;
      while (next != null) {
          next.printStackTrace(pw);
          next = next.getNextException();
          if (next != null) {
              pw.println("Next SQLException:");
          }
      }
  }

}

   
    
    
  

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