/* * Copyright (c) 2006 Henri Sivonen * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ package org.whattf.datatype; import org.relaxng.datatype.DatatypeException; /** * This datatype shall accept any string that consists of one or more characters * and does not contain any whitespace characters. * <p>The ID-type of this datatype is ID. * @version $Id$ * @author hsivonen */ public class Id extends AbstractDatatype { /** * The singleton instance. */ public static final Id THE_INSTANCE = new Id(); /** * Package-private constructor */ protected Id() { super(); } /** * Checks that the value is a proper HTML5 id. * @param literal the value * @param context ignored * @throws DatatypeException if the value isn't valid * @see org.relaxng.datatype.Datatype#checkValid(java.lang.String, org.relaxng.datatype.ValidationContext) */ public void checkValid(CharSequence literal) throws DatatypeException { int len = literal.length(); if (len == 0) { throw newDatatypeException("An ID must not be the empty string."); } for (int i = 0; i < len; i++) { char c = literal.charAt(i); if (isWhitespace(c)) { throw newDatatypeException(i, "An ID must not contain whitespace."); } } } @Override public String getName() { return "id"; } }