Class | Line # | Actions | |||||
---|---|---|---|---|---|---|---|
LazyInitPrintWriter | 49 | 9 | 0% | 7 | 18 |
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 | public LazyInitPrintWriter(final ServletResponse response) { |
52 | 0 | super(new Writer() { |
53 | ||
54 | private Writer writer; | |
55 | ||
56 | 0 | @Override |
57 | public void write(char[] cbuf, int off, int len) throws IOException { | |
58 | 0 | getTargetWriter().write(cbuf, off, len); |
59 | } | |
60 | ||
61 | 0 | @Override |
62 | public void flush() throws IOException { | |
63 | 0 | if (writer != null) { |
64 | 0 | writer.flush(); |
65 | } | |
66 | } | |
67 | ||
68 | 0 | @Override |
69 | public void close() throws IOException { | |
70 | 0 | getTargetWriter().close(); |
71 | } | |
72 | ||
73 | 0 | 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 | } |