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/*
 * Conditions Of Use
 *
 * This software was developed by employees of the National Institute of
 * Standards and Technology (NIST), an agency of the Federal Government.
 * Pursuant to title 15 Untied States Code Section 105, works of NIST
 * employees are not subject to copyright protection in the United States
 * and are considered to be in the public domain.  As a result, a formal
 * license is not needed to use the software.
 *
 * This software is provided by NIST as a service and is expressly
 * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
 * AND DATA ACCURACY.  NIST does not warrant or make any representations
 * regarding the use of the software or the results thereof, including but
 * not limited to the correctness, accuracy, reliability or usefulness of
 * the software.
 *
 * Permission to use this software is contingent upon your acceptance
 * of the terms of this agreement.
 *
 */
/*******************************************************************************
 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
 *******************************************************************************/
package android.gov.nist.javax.sip.header;

/**
 * Internal utility class for pretty printing and header formatting.
 *
 * @author M. Ranganathan
 * @author O. Deruelle
 *
 * @version 1.2 $Revision: 1.6 $ $Date: 2009-07-17 18:57:31 $
 */
class Indentation {

    private int indentation;

    /**
     * Default constructor
     */
    protected Indentation() {
        indentation = 0;
    }

    /**
     * Constructor
     *
     * @param initval
     *            int to set
     */
    protected Indentation(int initval) {
        indentation = initval;
    }

    /**
     * set the indentation field
     *
     * @param initval
     *            int to set
     */
    protected void setIndentation(int initval) {
        indentation = initval;
    }

    /**
     * get the number of indentation.
     *
     * @return int
     */
    protected int getCount() {
        return indentation;
    }

    /**
     * increment the indentation field
     */
    protected void increment() {
        indentation++;
    }

    /**
     * decrement the indentation field
     */
    protected void decrement() {
        indentation--;
    }

    /**
     * get the indentation
     *
     * @return String
     */
    protected String getIndentation() {
        char[] chars = new char[indentation];
        java.util.Arrays.fill(chars, ' ');
        return new String(chars);
    }

}