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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.dbcp2;
18  
19  import java.sql.SQLException;
20  import java.util.List;
21  
22  /**
23   * An SQLException based on a list of Throwable causes.
24   * <p>
25   * The first exception in the list is used as this exception's cause and is accessible with the usual
26   * {@link #getCause()} while the complete list is accessible with {@link #getCauseList()}.
27   * </p>
28   *
29   * @since 2.7.0
30   */
31  public class SQLExceptionList extends SQLException {
32  
33      private static final long serialVersionUID = 1L;
34      private final List<? extends Throwable> causeList;
35  
36      /**
37       * Creates a new exception caused by a list of exceptions.
38       *
39       * @param causeList a list of cause exceptions.
40       */
41      public SQLExceptionList(final List<? extends Throwable> causeList) {
42          super(String.format("%,d exceptions: %s", causeList == null ? 0 : causeList.size(), causeList),
43                  causeList == null ? null : causeList.get(0));
44          this.causeList = causeList;
45      }
46  
47      /**
48       * Gets the cause list.
49       *
50       * @return The list of causes.
51       */
52      public List<? extends Throwable> getCauseList() {
53          return causeList;
54      }
55  
56  }