indent.java

数据仓库工具

/*
    Copyright (C) 2003  Together

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package org.enhydra.xml;


/**
 * @author Tweety
 *
 * A class that describes format of the output xml file.
 *
 * @version 1.0
 */
public class Indent {

	/**
	 * Default tab value.
	 */
    public static String DEFAULT_TAB = "    ";

    /**
     * Indent size.
     */
	private int indent;

	/**
	 * Tab string, the value that is going to be treated as tab.
	 */
	private String tab;



	/**
	 * Constructs new <code>Indent</code> with the given size of indentation and the tab string.
	 *
	 * @param ind size of indentation.
	 * @param tab tab string.
	 */
	public Indent(int ind, String tab) {
		this.indent = ind;
		this.tab = tab;
	}


	/**
	 * toString method
         * @return string
	 */
	public String toString() {
		StringBuffer buff = new StringBuffer();
		for (int i = 0; i < indent; i++)
			buff.append(tab);
		return buff.toString();
	}


	/**
	 * Increments the indentation size.
	 */
	public void increment() {
		indent++;
	}


	/**
	 * Decrements the indentation size.
	 */
	public void decrement() {
		indent--;
	}


	/**
	 * Returns the tab string.
         * @return tab
	 */
	public String getTab() {
		return tab;
	}

	/**
	 * Sets the tab string.
         * @param tab is tab
	 */
	public void setTab(String tab) {
		this.tab = tab;
	}

}