001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 2000 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package org.apache.xerces.validators.datatype;
059:
060: import java.util.Hashtable;
061: import java.util.Locale;
062: import java.text.Collator;
063: import org.apache.xerces.validators.schema.SchemaSymbols;
064:
065: /**
066: * QName Validator validates a QName type.
067: * QName represents XML qualified names. The value
068: * space of QName is the set of tuples
069: * {namespace name, local part}, where namespace
070: * name is a anyURI and local part is an NCName.
071: * The lexical space of QName is the set of strings
072: * that match the QName production of [Namespaces in
073: * XML].
074: *
075: * @author Jeffrey Rodriguez
076: * @author Mark Swinkles - List Validation refactoring
077: * @version $Id: QNameDatatypeValidator.java,v 1.13 2001/06/20 15:09:08 sandygao Exp $
078: */
079: public class QNameDatatypeValidator extends AbstractStringValidator {
080:
081: // for the NCName validator
082: // REVISIT: synch issues?
083: private static DatatypeValidator fgStrValidator = null;
084:
085: public QNameDatatypeValidator()
086: throws InvalidDatatypeFacetException {
087: this (null, null, false); // Native, No Facets defined, Restriction
088: }
089:
090: public QNameDatatypeValidator(DatatypeValidator base,
091: Hashtable facets, boolean derivedByList)
092: throws InvalidDatatypeFacetException {
093:
094: super (base, facets, derivedByList);
095: }
096:
097: protected void assignAdditionalFacets(String key, Hashtable facets)
098: throws InvalidDatatypeFacetException {
099: throw new InvalidDatatypeFacetException(getErrorString(
100: DatatypeMessageProvider.ILLEGAL_STRING_FACET,
101: DatatypeMessageProvider.MSG_NONE, new Object[] { key }));
102: }
103:
104: protected void checkValueSpace(String content)
105: throws InvalidDatatypeValueException {
106:
107: // check 3.2.18.c0 must: "NCName:NCName"
108: try {
109: int posColon = content.indexOf(':');
110: if (posColon >= 0)
111: fgStrValidator.validate(content.substring(0, posColon),
112: null);
113: fgStrValidator.validate(content.substring(posColon + 1),
114: null);
115: } catch (InvalidDatatypeValueException idve) {
116: throw new InvalidDatatypeValueException("Value '" + content
117: + "' is not a valid QName");
118: }
119: }
120:
121: public int compare(String content, String facetValue) {
122: Locale loc = Locale.getDefault();
123: Collator collator = Collator.getInstance(loc);
124: return collator.compare(content, facetValue);
125: }
126:
127: protected static void setNCNameValidator(DatatypeValidator dv) {
128: // make a string validator for NCName
129: if (fgStrValidator == null) {
130: fgStrValidator = dv;
131: }
132: }
133: }
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