1/*
2 * Conditions Of Use
3 *
4 * This software was developed by employees of the National Institute of
5 * Standards and Technology (NIST), an agency of the Federal Government.
6 * Pursuant to title 15 Untied States Code Section 105, works of NIST
7 * employees are not subject to copyright protection in the United States
8 * and are considered to be in the public domain.  As a result, a formal
9 * license is not needed to use the software.
10 *
11 * This software is provided by NIST as a service and is expressly
12 * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
15 * AND DATA ACCURACY.  NIST does not warrant or make any representations
16 * regarding the use of the software or the results thereof, including but
17 * not limited to the correctness, accuracy, reliability or usefulness of
18 * the software.
19 *
20 * Permission to use this software is contingent upon your acceptance
21 * of the terms of this agreement.
22 *
23 */
24/*******************************************************************************
25 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
26 *******************************************************************************/
27package gov.nist.javax.sip.header;
28
29/**
30 * Internal utility class for pretty printing and header formatting.
31 *
32 * @author M. Ranganathan
33 * @author O. Deruelle
34 *
35 * @version 1.2 $Revision: 1.6 $ $Date: 2009/07/17 18:57:31 $
36 */
37class Indentation {
38
39    private int indentation;
40
41    /**
42     * Default constructor
43     */
44    protected Indentation() {
45        indentation = 0;
46    }
47
48    /**
49     * Constructor
50     *
51     * @param initval
52     *            int to set
53     */
54    protected Indentation(int initval) {
55        indentation = initval;
56    }
57
58    /**
59     * set the indentation field
60     *
61     * @param initval
62     *            int to set
63     */
64    protected void setIndentation(int initval) {
65        indentation = initval;
66    }
67
68    /**
69     * get the number of indentation.
70     *
71     * @return int
72     */
73    protected int getCount() {
74        return indentation;
75    }
76
77    /**
78     * increment the indentation field
79     */
80    protected void increment() {
81        indentation++;
82    }
83
84    /**
85     * decrement the indentation field
86     */
87    protected void decrement() {
88        indentation--;
89    }
90
91    /**
92     * get the indentation
93     *
94     * @return String
95     */
96    protected String getIndentation() {
97        char[] chars = new char[indentation];
98        java.util.Arrays.fill(chars, ' ');
99        return new String(chars);
100    }
101
102}
103
104