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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.jcs.jcache.extras.closeable;
20  
21  import java.io.Closeable;
22  import java.io.IOException;
23  
24  public class Closeables
25  {
26      public static void close(final Object... closeables) throws IOException
27      {
28          IOException e = null;
29          for (final Object closeable : closeables)
30          {
31              if (Closeable.class.isInstance(closeable))
32              {
33                  try
34                  {
35                      Closeable.class.cast(closeable).close();
36                  } catch (final IOException ex) {
37                      if (e == null)
38                      {
39                          e = ex;
40                      }
41                  }
42              }
43          }
44          if (e != null)
45          {
46              throw e;
47          }
48      }
49  
50      private Closeables()
51      {
52          // no-op
53      }
54  }