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Posted to commits@xerces.apache.org by je...@locus.apache.org on 2000/01/25 03:39:52 UTC
cvs commit: xml-xerces/java/src/org/apache/xerces/validators/datatype TimeInstantValidator.java
jeffreyr 00/01/24 18:39:52
Added: java/src/org/apache/xerces/validators/datatype
TimeInstantValidator.java
Log:
committed George T. Joseph contribution
Revision Changes Path
1.1 xml-xerces/java/src/org/apache/xerces/validators/datatype/TimeInstantValidator.java
Index: TimeInstantValidator.java
===================================================================
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 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",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* 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.Vector;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.text.ParseException;
/**
*
* TimeInstantValidator validates that XML content is a W3C timeInstant type.
*
* @author Ted Leung, George Joseph
* @version
*/
public class TimeInstantValidator implements InternalDatatypeValidator {
public static final int CACHE_LIMIT = 300;
public static final int CACHE_INITIAL_SIZE = 307;
Calendar fMaxInclusive = null;
boolean fIsMaxInclusive = false;
Calendar fMaxExclusive = null;
boolean fIsMaxExclusive = false;
Calendar fMinInclusive = null;
boolean fIsMinInclusive = false;
Calendar fMinExclusive = null;
boolean fIsMinExclusive = false;
Calendar[] fEnumValues = null;
boolean fHasEnums = false;
String ovalue = null;
Locale fLocale = null;
Hashtable facetData = null;
TimeDurationValidator fBaseValidator = null;
private DatatypeMessageProvider fMessageProvider = new DatatypeMessageProvider();
private Hashtable cache = new Hashtable(CACHE_INITIAL_SIZE);
/**
* validate that a string is a W3C timeInstant type
*
* validate returns true or false depending on whether the string content is an
* instance of the W3C string datatype
*
* @param content A string containing the content to be validated
*
* @exception throws InvalidDatatypeException if the content is
* not a W3C timeInstant type
*/
public void validate(String content) throws InvalidDatatypeValueException
{
ovalue=content;
Calendar c = (Calendar)cache.get(content);
if (c == null)
{
c = normalizeInstant(content.toCharArray(), 0, content.length());
if (cache.size() < CACHE_LIMIT) cache.put(content,c);
}
boundsCheck(c);
if (fHasEnums)enumCheck(c);
return;
}
public void validate(int contentIndex) throws InvalidDatatypeValueException {
}
public void setFacets(Hashtable facets) throws UnknownFacetException, IllegalFacetException, IllegalFacetValueException {
if (fBaseValidator != null)
if (!fBaseValidator.ensureFacetsAreConsistent(facets))
throw new IllegalFacetValueException(
getErrorString(DatatypeMessageProvider.FacetsInconsistent,
DatatypeMessageProvider.MSG_NONE,
null));
fIsMinInclusive = fIsMinExclusive = fIsMaxInclusive = fIsMaxExclusive = fHasEnums = false;
for (Enumeration e = facets.keys(); e.hasMoreElements();) {
String key = (String) e.nextElement();
String value = null;
if (key.equals(DatatypeValidator.ENUMERATION))
continue; // ENUM values passed as a vector & handled after bounds facets
value = (String) facets.get(key);
Calendar cValue = null;
try {
cValue = normalizeInstant(value.toCharArray(), 0, value.length());
} catch (InvalidDatatypeValueException nfe) {
throw new IllegalFacetValueException(
getErrorString(DatatypeMessageProvider.IllegalFacetValue,
DatatypeMessageProvider.MSG_NONE,
new Object [] { value, key }));
}
if (key.equals(DatatypeValidator.MININCLUSIVE)) {
fIsMinInclusive = true;
fMinInclusive = cValue;
} else if (key.equals(DatatypeValidator.MINEXCLUSIVE)) {
fIsMinExclusive = true;
fMinExclusive = cValue;
} else if (key.equals(DatatypeValidator.MAXINCLUSIVE)) {
fIsMaxInclusive = true;
fMaxInclusive = cValue;
} else if (key.equals(DatatypeValidator.MAXEXCLUSIVE)) {
fIsMaxExclusive = true;
fMaxExclusive = cValue;
} else if (key.equals(DatatypeValidator.ENUMERATION)) {
} else if (key.equals(DatatypeValidator.PRECISION) ||
key.equals(DatatypeValidator.SCALE) ||
key.equals(DatatypeValidator.LENGTH) ||
key.equals(DatatypeValidator.MINLENGTH) ||
key.equals(DatatypeValidator.MAXLENGTH) ||
key.equals(DatatypeValidator.LITERAL) ||
key.equals(DatatypeValidator.ENCODING) ||
key.equals(DatatypeValidator.PERIOD) ||
key.equals(DatatypeValidator.PATTERN) ||
key.equals(DatatypeValidator.LEXICALREPRESENTATION) ||
key.equals(DatatypeValidator.LEXICAL))
throw new IllegalFacetException(
getErrorString(DatatypeMessageProvider.IllegalIntegerFacet,
DatatypeMessageProvider.MSG_NONE,
null));
else
throw new UnknownFacetException(
getErrorString(DatatypeMessageProvider.UnknownFacet,
DatatypeMessageProvider.MSG_NONE,
new Object [] { key }));
}
// check the enum values after any range constraints are in place
Vector v = (Vector) facets.get(DatatypeValidator.ENUMERATION);
if (v != null) {
fHasEnums = true;
fEnumValues = new Calendar[v.size()];
for (int i = 0; i < v.size(); i++)
try {
fEnumValues[i] = normalizeInstant(((String)v.elementAt(i)).toCharArray(), 0, ((String)v.elementAt(i)).length());
boundsCheck(fEnumValues[i]);
} catch (InvalidDatatypeValueException idve) {
throw new IllegalFacetValueException(
getErrorString(DatatypeMessageProvider.InvalidEnumValue,
DatatypeMessageProvider.MSG_NONE,
new Object [] { v.elementAt(i)}));
} catch (NumberFormatException nfe) {
System.out.println("Internal Error parsing enumerated values for timeInstant type");
}
}
}
public void setBasetype(DatatypeValidator base) {
fBaseValidator = (TimeDurationValidator) base;
}
/**
* set the locate to be used for error messages
*/
public void setLocale(Locale locale) {
fLocale = locale;
}
boolean ensureFacetsAreConsistent(Hashtable facets) {
boolean facetsAreConsistent = true;
for (Enumeration e = facets.keys(); facetsAreConsistent && e.hasMoreElements();) {
String key = (String) e.nextElement();
String value = null;
if (key.equals(DatatypeValidator.ENUMERATION))
continue; // ENUM values passed as a vector & handled after bounds facets
value = (String) facets.get(key);
Calendar cValue = null;
try {
cValue = normalizeInstant(value.toCharArray(), 0, value.length());
} catch (InvalidDatatypeValueException nfe) {
facetsAreConsistent = false;
}
if (key.equals(DatatypeValidator.MININCLUSIVE) && fIsMinInclusive) {
facetsAreConsistent = fMinInclusive.before(cValue) || fMinInclusive.equals(cValue);
} else if (key.equals(DatatypeValidator.MINEXCLUSIVE) && fIsMinExclusive) {
facetsAreConsistent = fMinExclusive.before(cValue);
} else if (key.equals(DatatypeValidator.MAXINCLUSIVE) && fIsMaxInclusive) {
facetsAreConsistent = fMaxInclusive.after(cValue) || fMaxInclusive.equals(cValue);
} else if (key.equals(DatatypeValidator.MAXEXCLUSIVE) && fIsMaxExclusive) {
facetsAreConsistent = fMaxExclusive.after(cValue);
}
}
return facetsAreConsistent;
}
private void boundsCheck(Calendar c) throws InvalidDatatypeValueException {
boolean minOk = false;
boolean maxOk = false;
if (fIsMaxInclusive)
maxOk = (c.before(fMaxInclusive) || c.equals(fMaxInclusive));
else if (fIsMaxExclusive)
maxOk = c.before(fMaxInclusive);
else
maxOk = (!fIsMaxInclusive && !fIsMaxExclusive);
if (fIsMinInclusive)
minOk = (c.after(fMinInclusive) || c.equals(fMinInclusive));
else if (fIsMinExclusive)
minOk = c.after(fMinInclusive);
else
minOk = (!fIsMinInclusive && !fIsMinExclusive);
if (!(minOk && maxOk))
throw new InvalidDatatypeValueException(
getErrorString(DatatypeMessageProvider.OutOfBounds,
DatatypeMessageProvider.MSG_NONE,
new Object [] { ovalue }));
}
private void enumCheck(Calendar c) throws InvalidDatatypeValueException {
for (int i = 0; i < fEnumValues.length; i++) {
if (c.equals(fEnumValues[i])) return;
}
throw new InvalidDatatypeValueException(
getErrorString(DatatypeMessageProvider.NotAnEnumValue,
DatatypeMessageProvider.MSG_NONE,
new Object [] { ovalue }));
}
public void setFacets(int facets[]) throws UnknownFacetException, IllegalFacetException, IllegalFacetValueException {
}
private String getErrorString(int major, int minor, Object args[]) {
try {
return fMessageProvider.createMessage(fLocale, major, minor, args);
} catch (Exception e) {
return "Illegal Errorcode "+minor;
}
}
public static Calendar normalizeInstant(char[] value, int start, int length) throws InvalidDatatypeValueException
{
boolean negative=false;
boolean tznegative=false;
int tzoffset=0;
int tzhh=0,tzmm=0;
int i=start,j=0,k=0,l=0,m=0;
final char[]ms={'0','0','0'};
final Calendar cal = new GregorianCalendar();
final int endindex = (start+length)-1;
try
{
if (length < 16) throw new ParseException("Value is too short.",0);
cal.clear();
cal.setLenient(false);
// If there's a leading sign, set the appropriate Era.
if(value[i]=='-'||value[i]=='+')
{
cal.set(Calendar.ERA, (value[i]=='-'?GregorianCalendar.BC:GregorianCalendar.AD));
i++;
}
// Grab the year (might be > 9999), month, day, hour and minute fields
j=indexOf(value,i,'-',i+5);
if (j==-1 || j>endindex)throw new ParseException("Year separator is missing or misplaced.", i);
cal.set(Calendar.YEAR, parseInt(value,i,j-i));
i=j+1;
cal.set(Calendar.MONTH, parseInt(value,i,2)-1);
i+=2;
if (value[i]!='-')throw new ParseException("Month separator is missing or misplaced.",i);
cal.set(Calendar.DAY_OF_MONTH, parseInt(value,i+1,2));
i+=3;
if (value[i]!='T')throw new ParseException("Time separator is missing or misplaced.",i);
cal.set(Calendar.HOUR_OF_DAY, parseInt(value,i+1,2));
i+=3;
if (value[i]!=':')throw new ParseException("Hour separator is missing or misplaced.",i);
cal.set(Calendar.MINUTE, parseInt(value,i+1,2));
i+=3;
// Seconds are optional
if((endindex-i)>1 && (value[i]==':'))
{
cal.set(Calendar.SECOND, parseInt(value,i+1,2));
i+=3;
// Grab optional fractional seconds to 3 decimal places.
if (i<endindex && value[i]=='.')
{
i++;k=0;
while((i <= endindex) && (k<3) && Character.isDigit(value[i]))
ms[k++]=value[i++];
cal.set(Calendar.MILLISECOND, parseInt(ms,0,3));
}
// Eat any remaining digits.
while(i<=endindex && Character.isDigit(value[i])) i++;
}
// Check for timezone.
if(i<=endindex)
{
if(value[i]=='Z')
{
cal.set(Calendar.ZONE_OFFSET, 0);
}
// else if ((endindex-i)==2 || (endindex-i)==5)
else if (value[i]=='-' || value[i]=='+')
{
tznegative = (value[i]=='-');
tzhh=parseInt(value,i+1,2);
if ((endindex-i)==5)
{
if (value[i+3] != ':')throw new ParseException("time zone must be 'hh:mm'.",i);
tzmm=parseInt(value,i+4,2);
}
tzoffset=((tzhh*3600000)+(tzmm*60000));
cal.set(Calendar.ZONE_OFFSET, (tznegative?-tzoffset:tzoffset));
}
else throw new ParseException("Unrecognized time zone.",i);
}
return(cal);
}
catch(Exception e)
{
e.printStackTrace();
throw new InvalidDatatypeValueException("Unable to parse timeInstant "+e.toString());
}
}
public static final int indexOf(char[] value, int start, char s)
{
return(indexOf(value,start,s,value.length-1));
}
public static final int indexOf(char[] value, int start, char s, int max)
{
for(int i=start;i<=max;i++)if(value[i]==s) return(i);
return(-1);
}
public static final int indexOneOf(char[] value, int start, String s)
{
return(indexOneOf(value,start,s,value.length-1));
}
public static final int indexOneOf(char[] value, int start, String s, int max)
{
for(int i=start;i<max;i++)
for(int j=0;j<s.length();j++) if(value[i] == s.charAt(j))return(i);
return(-1);
}
// parseInt is a copy of the Integer.parseInt method, modified to accept
// a character array.
public static final int parseInt(char[] s, int start, int length) throws NumberFormatException
{
if (s == null) throw new NumberFormatException("null");
int radix=10;
int result = 0;
boolean negative = false;
int i= start;
int limit;
int multmin;
int digit=0;
if (length <= 0) throw new NumberFormatException(new String(s,start,length));
if (s[i] == '-')
{
negative = true;
limit = Integer.MIN_VALUE;
i++;
}
else if(s[i]=='+')
{
negative = false;
limit = -Integer.MAX_VALUE;
i++;
}
else
{
limit = -Integer.MAX_VALUE;
}
multmin = limit / radix;
if (i < (start+length))
{
digit = Character.digit(s[i++],radix);
if (digit < 0) throw new NumberFormatException(new String(s,start,length));
else result = -digit;
}
while (i < (start+length))
{
digit = Character.digit(s[i++],radix);
if (digit < 0) throw new NumberFormatException(new String(s,start,length));
if (result < multmin) throw new NumberFormatException(new String(s,start,length));
result *= radix;
if (result < limit + digit) throw new NumberFormatException(new String(s,start,length));
result -= digit;
}
if (negative)
{
if (i > 1) return result;
else throw new NumberFormatException(new String(s,start,length));
}
return -result;
}
}