1 /*
2 * Copyright 2013 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.properties.config.transfer.templatestream;
17
18 import org.apache.commons.lang.StringEscapeUtils;
19
20 /**
21 * Creates instances of {@link StreamPropertySink} by providing a template to
22 * generate a CSV document.
23 */
24 public final class CsvFactory extends Factory
25 {
26 // ********************************* Fields *********************************
27
28 // --- constants ------------------------------------------------------------
29
30 // --- members --------------------------------------------------------------
31
32 /**
33 * The flag controls whether (<code>true</code>) or not (<code>false</code>)
34 * write a CSV header for columns.
35 */
36 private boolean writeHeader;
37
38 // ****************************** Initializer *******************************
39
40 // ****************************** Constructors ******************************
41
42 /**
43 * Default constructor.
44 */
45 public CsvFactory()
46 {
47 setEscaper(new EscapeAllTheSameValueEscaper()
48 {
49 @Override
50 public String escapeValue(final String value)
51 {
52 return StringEscapeUtils.escapeCsv(value);
53 }
54 });
55
56 final String template = "${configKey},${name},${value}${newline}";
57 setTemplate(template);
58 }
59
60 // ****************************** Inner Classes *****************************
61
62 // ********************************* Methods ********************************
63
64 // --- init -----------------------------------------------------------------
65
66 // --- get&set --------------------------------------------------------------
67
68 /**
69 * Sets the flag controls whether (<code>true</code>) or not (
70 * <code>false</code>) write a CSV header for columns.
71 *
72 * @param writeHeader the flag controls whether (<code>true</code>) or not (
73 * <code>false</code>) write a CSV header for columns.
74 */
75 public void setWriteHeader(final boolean writeHeader)
76 {
77 this.writeHeader = writeHeader;
78 }
79
80 @Override
81 public StreamPropertySink create() throws IllegalStateException
82 {
83 if (writeHeader)
84 {
85 setDocumentIntro("config,name,value${newline}");
86 }
87
88 return super.create();
89 }
90
91 // --- business -------------------------------------------------------------
92
93 // --- object basics --------------------------------------------------------
94
95 }