/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program 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 distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.beans.stringpattern;

public class SimpleToken implements Token {

    private TokenType _type;
    private StringBuilder _stringBuilder;

    public SimpleToken(final TokenType type, final StringBuilder stringBuilder) {
        _type = type;
        _stringBuilder = stringBuilder;
    }

    public SimpleToken(final TokenType type, final String string) {
        _type = type;
        _stringBuilder = new StringBuilder(string);
    }

    public SimpleToken(final TokenType type, final char c) {
        _type = type;
        _stringBuilder = new StringBuilder();
        _stringBuilder.append(c);
    }

    @Override
    public String getString() {
        return _stringBuilder.toString();
    }

    public void appendChar(final char c) {
        _stringBuilder.append(c);
    }

    public void appendString(final String str) {
        _stringBuilder.append(str);
    }

    public void prependChar(final char c) {
        _stringBuilder.insert(0, c);
    }

    @Override
    public int length() {
        return _stringBuilder.length();
    }

    @Override
    public char charAt(final int index) {
        return _stringBuilder.charAt(index);
    }

    @Override
    public TokenType getType() {
        return _type;
    }

    public void setType(final TokenType type) {
        _type = type;
    }

    @Override
    public String toString() {
        return "Token['" + getString() + "' (" + _type + ")]";
    }
}