1. Project Clover database Fri Mar 6 2015 14:07:48 CET
  2. Package info.magnolia.module.blossom.support

File LazyInitPrintWriter.java

 

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Classes

Class Line # Actions
LazyInitPrintWriter 49 9 0% 7 18
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1    /**
2    * This file Copyright (c) 2010-2015 Magnolia International
3    * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10    * This file is distributed in the hope that it will be
11    * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12    * implied warranty of MERCHANTABILITY or FITNESS FOR A
13    * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14    * Redistribution, except as permitted by whichever of the GPL
15    * or MNA you select, is prohibited.
16    *
17    * 1. For the GPL license (GPL), you can redistribute and/or
18    * modify this file under the terms of the GNU General
19    * Public License, Version 3, as published by the Free Software
20    * Foundation. You should have received a copy of the GNU
21    * General Public License, Version 3 along with this program;
22    * if not, write to the Free Software Foundation, Inc., 51
23    * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24    *
25    * 2. For the Magnolia Network Agreement (MNA), this file
26    * and the accompanying materials are made available under the
27    * terms of the MNA which accompanies this distribution, and
28    * is available at http://www.magnolia-cms.com/mna.html
29    *
30    * Any modifications to this file must keep this entire header
31    * intact.
32    *
33    */
34    package info.magnolia.module.blossom.support;
35   
36    import java.io.IOException;
37    import java.io.PrintWriter;
38    import java.io.Writer;
39    import javax.servlet.ServletResponse;
40   
41    /**
42    * Writer that only opens the underlying writer when there is something needed to be written. This allows us to pass
43    * around a Writer instance without having acquired one from the servlet response.
44    *
45    * @since 0.5
46    * @deprecated since 3.0 in favor of info.magnolia.cms.util.LazyInitPrintWriter
47    */
48    @Deprecated
 
49    public class LazyInitPrintWriter extends PrintWriter {
50   
 
51  0 toggle public LazyInitPrintWriter(final ServletResponse response) {
52  0 super(new Writer() {
53   
54    private Writer writer;
55   
 
56  0 toggle @Override
57    public void write(char[] cbuf, int off, int len) throws IOException {
58  0 getTargetWriter().write(cbuf, off, len);
59    }
60   
 
61  0 toggle @Override
62    public void flush() throws IOException {
63  0 if (writer != null) {
64  0 writer.flush();
65    }
66    }
67   
 
68  0 toggle @Override
69    public void close() throws IOException {
70  0 getTargetWriter().close();
71    }
72   
 
73  0 toggle private Writer getTargetWriter() throws IOException {
74  0 if (writer != null) {
75  0 return writer;
76    }
77  0 writer = response.getWriter();
78  0 return writer;
79    }
80    });
81    }
82    }