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1   /*
2    * $Id: SQLExceptionReader.java 10489 2008-01-23 17:53:38Z dfeist $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.transport.jdbc;
12  
13  import org.mule.api.config.ExceptionReader;
14  import org.mule.util.StringUtils;
15  
16  import java.sql.SQLException;
17  import java.util.HashMap;
18  import java.util.Map;
19  
20  /**
21   * Surfaces information about SQLExceptions such as the code and sql state. Also uses
22   * the NextException to find the cause
23   */
24  public class SQLExceptionReader implements ExceptionReader
25  {
26      public String getMessage(Throwable t)
27      {
28          SQLException e = (SQLException) t;
29          return e.getMessage() + "(SQL Code: " + e.getErrorCode() + ", SQL State: + " + e.getSQLState() + ")";
30      }
31  
32      public Throwable getCause(Throwable t)
33      {
34          SQLException e = (SQLException) t;
35          Throwable cause = e.getNextException();
36          if (cause == null)
37          {
38              cause = e.getCause();
39          }
40          return cause;
41      }
42  
43      public Class getExceptionType()
44      {
45          return SQLException.class;
46      }
47  
48      /**
49       * Returns a map of the non-stanard information stored on the exception
50       * 
51       * @param t the exception to extract the information from
52       * @return a map of the non-stanard information stored on the exception
53       */
54      public Map getInfo(Throwable t)
55      {
56          SQLException e = (SQLException) t;
57          Map info = new HashMap();
58          if (e.getErrorCode() != 0)
59          {
60              info.put("SQL Code", String.valueOf(e.getErrorCode()));
61          }
62          if (e.getSQLState() != null && !e.getSQLState().equals(StringUtils.EMPTY))
63          {
64              info.put("SQL State", e.getSQLState());
65          }
66          return info;
67      }
68  }