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    1   /* Label
    2   *
    3   * $Id: Label.java 4545 2006-08-26 00:33:38Z stack-sf $
    4   *
    5   * Created on July 26, 2006.
    6   *
    7   * Copyright (C) 2006 Internet Archive.
    8   *
    9   * This file is part of the Heritrix web crawler (crawler.archive.org).
    10  *
    11  * Heritrix is free software; you can redistribute it and/or modify
    12  * it under the terms of the GNU Lesser Public License as published by
    13  * the Free Software Foundation; either version 2.1 of the License, or
    14  * any later version.
    15  *
    16  * Heritrix is distributed in the hope that it will be useful,
    17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    19  * GNU Lesser Public License for more details.
    20  *
    21  * You should have received a copy of the GNU Lesser Public License
    22  * along with Heritrix; if not, write to the Free Software
    23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    24  */
    25  package org.archive.util.anvl;
    26
    27  class Label extends SubElement {
    28  	public static final char COLON = ':';
    29
    30      private Label() {
    31          this(null);
    32      }
    33
    34      public Label(final String s) {
    35          super(s);
    36      }
    37
    38      @Override
    39      protected void checkCharacter(char c, String srcStr, int index) {
    40      	super.checkCharacter(c, srcStr, index);
    41      	if (c == COLON) {
    42      		throw new IllegalArgumentException("Label cannot contain " + COLON);
    43      	}
    44      }
    45  }