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1   /*
2    * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle in the LICENSE file that accompanied this code.
10   *
11   * This code is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14   * version 2 for more details (a copy is included in the LICENSE file that
15   * accompanied this code).
16   *
17   * You should have received a copy of the GNU General Public License version
18   * 2 along with this work; if not, write to the Free Software Foundation,
19   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20   *
21   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * questions.
24   */
25  
26  package com.sun.xml.internal.ws.encoding;
27  
28  import javax.activation.DataSource;
29  import java.io.*;
30  
31  import com.sun.xml.internal.ws.developer.StreamingDataHandler;
32  
33  /**
34   * @author Jitendra Kotamraju
35   */
36  public class DataSourceStreamingDataHandler extends StreamingDataHandler {
37  
38      public DataSourceStreamingDataHandler(DataSource ds) {
39          super(ds);
40      }
41  
42      @Override
43      public InputStream readOnce() throws IOException {
44          return getInputStream();
45      }
46  
47      @Override
48      public void moveTo(File file) throws IOException {
49          InputStream in = getInputStream();
50          OutputStream os = new FileOutputStream(file);
51          try {
52              byte[] temp = new byte[8192];
53              int len;
54              while((len=in.read(temp)) != -1) {
55                  os.write(temp, 0, len);
56              }
57              in.close();
58          } finally {
59              if (os != null) {
60                  os.close();
61              }
62          }
63      }
64  
65      @Override
66      public void close() throws IOException {
67          // nothing to do here
68      }
69  
70  }