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* The Apache Software License, Version 1.1
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* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "Xerces" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation and was
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* originally based on software copyright (c) 1999, International
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* Business Machines, Inc., http://www.apache.org. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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package org.apache.xerces.impl.dv.dtd;
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import org.apache.xerces.impl.dv.*;
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* <P>StringValidator validates that XML content is a W3C string type.</P>
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* <P>The string datatype represents character strings in XML. The
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* value space of string is the set of finite-length sequences
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* of characters (as defined in [XML 1.0 Recommendation
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* (Second Edition)]) that match the Char production
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* from [XML 1.0 Recommendation (Second Edition)].
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* A character is an atomic unit of communication; it
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* is not further specified except to note that every
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* character has a corresponding Universal Code Set
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* code point ([ISO 10646],[Unicode] and [Unicode3]),
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* which is an integer.</P>
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* @version $Id: StringDatatypeValidator.java,v 1.4 2002/07/18 20:48:43 sandygao Exp $
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public class StringDatatypeValidator implements DatatypeValidator {
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// construct a string datatype validator
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public StringDatatypeValidator() {
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* Checks that "content" string is valid string value.
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* If invalid a Datatype validation exception is thrown.
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* @param content the string value that needs to be validated
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* @param context the validation context
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* @throws InvalidDatatypeException if the content is
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* invalid according to the rules for the validators
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* @see InvalidDatatypeValueException
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public void validate(String content, ValidationContext context) throws InvalidDatatypeValueException {