/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999, 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
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*
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.xerces.validators.datatype;
import java.util.Hashtable;
import java.util.Locale;
import java.util.Vector;
import java.util.Enumeration;
import java.util.StringTokenizer;
import java.util.NoSuchElementException;
import org.apache.xerces.utils.URI;
import org.apache.xerces.validators.schema.SchemaSymbols;
import org.apache.xerces.utils.regex.RegularExpression;
/**
* URIValidator validates that XML content is a W3C uri type,
* according to RFC 2396
*
* @author Ted Leung
* @author Jeffrey Rodriguez
* @see RFC 2396
* @see Tim Berners-Lee, et. al. RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax.. 1998 Available at: http://www.ietf.org/rfc/rfc2396.txt
* @version $Id: URIReferenceDatatypeValidator.java,v 1.8 2000/06/23 01:26:30 jeffreyr Exp $
*/
public class URIReferenceDatatypeValidator extends AbstractDatatypeValidator {
private DatatypeValidator fBaseValidator = null;
private boolean fDerivedByList = false;
private int fLength = 0;
private int fMaxLength = Integer.MAX_VALUE;
private int fMinLength = 0;
private String fPattern = null;
private Vector fEnumeration = null;
private int fFacetsDefined = 0;
private RegularExpression fRegex = null;
public URIReferenceDatatypeValidator () throws InvalidDatatypeFacetException{
this ( null, null, false ); // Native, No Facets defined, Restriction
}
public URIReferenceDatatypeValidator ( DatatypeValidator base, Hashtable facets,
boolean derivedByList ) throws InvalidDatatypeFacetException {
fDerivedByList = derivedByList;
setBasetype( base ); // Set base type
// Set Facets if any defined
if ( facets != null ){
if ( fDerivedByList == false) {
for (Enumeration e = facets.keys(); e.hasMoreElements();) {
String key = (String) e.nextElement();
if ( key.equals(SchemaSymbols.ELT_LENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_LENGTH;
String lengthValue = (String)facets.get(key);
try {
fLength = Integer.parseInt( lengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("Length value '"+lengthValue+"' is invalid.");
}
if ( fLength < 0 )
throw new InvalidDatatypeFacetException("Length value '"+lengthValue+"' must be a nonNegativeInteger.");
} else if (key.equals(SchemaSymbols.ELT_MINLENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_MINLENGTH;
String minLengthValue = (String)facets.get(key);
try {
fMinLength = Integer.parseInt( minLengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("maxLength value '"+minLengthValue+"' is invalid.");
}
} else if (key.equals(SchemaSymbols.ELT_MAXLENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_MAXLENGTH;
String maxLengthValue = (String)facets.get(key);
try {
fMaxLength = Integer.parseInt( maxLengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("maxLength value '"+maxLengthValue+"' is invalid.");
}
} else if (key.equals(SchemaSymbols.ELT_PATTERN)) {
fFacetsDefined += DatatypeValidator.FACET_PATTERN;
fPattern = (String)facets.get(key);
if ( fPattern != null )
fRegex = new RegularExpression(fPattern, "X" );
} else if (key.equals(SchemaSymbols.ELT_ENUMERATION)) {
fFacetsDefined += DatatypeValidator.FACET_ENUMERATION;
fEnumeration = (Vector)facets.get(key);
} else {
throw new InvalidDatatypeFacetException();
}
}
if (((fFacetsDefined & DatatypeValidator.FACET_LENGTH ) != 0 ) ) {
if (((fFacetsDefined & DatatypeValidator.FACET_MAXLENGTH ) != 0 ) ) {
throw new InvalidDatatypeFacetException(
"It is an error for both length and maxLength to be members of facets." );
} else if (((fFacetsDefined & DatatypeValidator.FACET_MINLENGTH ) != 0 ) ) {
throw new InvalidDatatypeFacetException(
"It is an error for both length and minLength to be members of facets." );
}
}
if ( ( (fFacetsDefined & ( DatatypeValidator.FACET_MINLENGTH |
DatatypeValidator.FACET_MAXLENGTH) ) != 0 ) ) {
if ( fMinLength > fMaxLength ) {
throw new InvalidDatatypeFacetException( "Value of maxLength = " + fMaxLength +
"must be greater that the value of minLength" + fMinLength );
}
}
} else { //derived by list
for (Enumeration e = facets.keys(); e.hasMoreElements();) {
String key = (String) e.nextElement();
if ( key.equals(SchemaSymbols.ELT_LENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_LENGTH;
String lengthValue = (String)facets.get(key);
try {
fLength = Integer.parseInt( lengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("Length value '"+lengthValue+"' is invalid.");
}
if ( fLength < 0 )
throw new InvalidDatatypeFacetException("Length value '"+lengthValue+"' must be a nonNegativeInteger.");
} else if (key.equals(SchemaSymbols.ELT_MINLENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_MINLENGTH;
String minLengthValue = (String)facets.get(key);
try {
fMinLength = Integer.parseInt( minLengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("maxLength value '"+minLengthValue+"' is invalid.");
}
} else if (key.equals(SchemaSymbols.ELT_MAXLENGTH) ) {
fFacetsDefined += DatatypeValidator.FACET_MAXLENGTH;
String maxLengthValue = (String)facets.get(key);
try {
fMaxLength = Integer.parseInt( maxLengthValue );
} catch (NumberFormatException nfe) {
throw new InvalidDatatypeFacetException("maxLength value '"+maxLengthValue+"' is invalid.");
}
} else if (key.equals(SchemaSymbols.ELT_ENUMERATION)) {
fFacetsDefined += DatatypeValidator.FACET_ENUMERATION;
fEnumeration = (Vector)facets.get(key);
} else {
throw new InvalidDatatypeFacetException();
}
}
if (((fFacetsDefined & DatatypeValidator.FACET_LENGTH ) != 0 ) ) {
if (((fFacetsDefined & DatatypeValidator.FACET_MAXLENGTH ) != 0 ) ) {
throw new InvalidDatatypeFacetException(
"It is an error for both length and maxLength to be members of facets." );
} else if (((fFacetsDefined & DatatypeValidator.FACET_MINLENGTH ) != 0 ) ) {
throw new InvalidDatatypeFacetException(
"It is an error for both length and minLength to be members of facets." );
}
}
if ( ( (fFacetsDefined & ( DatatypeValidator.FACET_MINLENGTH |
DatatypeValidator.FACET_MAXLENGTH) ) != 0 ) ) {
if ( fMinLength > fMaxLength ) {
throw new InvalidDatatypeFacetException( "Value of maxLength = " + fMinLength +
"must be greater that the value of minLength" + fMaxLength );
}
}
}
}// End of Facets Setting
}
/**
* Validates content to conform to a URIReference
* definition and to conform to the facets allowed
* for this datatype.
*
* @param content
* @param state
* @return
* @exception InvalidDatatypeValueException
*/
public Object validate(String content, Object state)
throws InvalidDatatypeValueException
{
StringTokenizer parsedList = null;
URI uriContent = null;
if ( fDerivedByList == true ) { //derived by list
parsedList = new StringTokenizer( content );
try {
while ( parsedList.hasMoreTokens() ) {
//checkContentList( parsedList.nextToken() ); TODO
}
} catch ( NoSuchElementException e ) {
e.printStackTrace();
}
} else { //derived by constraint
//
if ( (fFacetsDefined & DatatypeValidator.FACET_PATTERN ) != 0 ) {
if ( fRegex == null || fRegex.matches( content) == false )
throw new InvalidDatatypeValueException("Value '"+content+
"' does not match regular expression facet" + fPattern );
}
try {
uriContent = new URI( content );
} catch ( URI.MalformedURIException ex ) {
throw new InvalidDatatypeValueException("Value '"+content+
"' is a Malformed URI ");
}
// checkContent( content ); TODO
}
return null;
}
/**
* Compares two URIReferences for equality.
* This is not really well defined.
*
* @param content1
* @param content2
* @return
*/
public int compare( String content1, String content2){
return 0;
}
/**
*
* @return Returns a Hashtable containing the facet information
* for this datatype.
*/
public Hashtable getFacets(){
return null;
}
/**
* Returns a copy of this object.
*/
public Object clone() throws CloneNotSupportedException {
throw new CloneNotSupportedException("clone() is not supported in "+this.getClass().getName());
}
// Private methods starts here
private void setBasetype(DatatypeValidator base) {
fBaseValidator = base;
}
}