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Xerces2 provides high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces continues to build upon the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program.
The Apache Xerces2 parser is the reference implementation of XNI but other parser components, configurations, and parsers can be written using the Xerces Native Interface. For complete design and implementation documents, refer to the XNI Manual.
Xerces2 provides fully conforming XML Schema 1.0 and 1.1 processors. An experimental implementation of the "XML Schema Definition Language (XSD): Component Designators (SCD) Candidate Recommendation (January 2010)" is also provided for evaluation. For more information, refer to the XML Schema page.
Xerces2 also provides a complete implementation of the Document Object Model Level 3 Core and Load/Save W3C Recommendations and provides a complete implementation of the XML Inclusions (XInclude) W3C Recommendation. It also provides support for OASIS XML Catalogs v1.1.
Xerces2 is able to parse documents written according to the XML 1.1 Recommendation, except that it does not yet provide an option to enable normalization checking as described in section 2.13 of this specification. It also handles namespaces according to the XML Namespaces 1.1 Recommendation, and will correctly serialize XML 1.1 documents if the DOM level 3 load/save APIs are in use.
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999-2003 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 [email protected].
*
* 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
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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) 2001, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* date2[i] ) {
return 1;
}
}
return 0;
}
/**
* Parses time hh:mm:ss.sss and time zone if any
*
* @param start
* @param end
* @param data
* @exception RuntimeException
*/
protected void getTime (String buffer, int start, int end, int[] data, int[] timeZone) throws RuntimeException{
int stop = start+2;
//get hours (hh)
data[h]=parseInt(buffer, start,stop);
//get minutes (mm)
if (buffer.charAt(stop++)!=':') {
throw new RuntimeException("Error in parsing time zone" );
}
start = stop;
stop = stop+2;
data[m]=parseInt(buffer, start,stop);
//get seconds (ss)
if (buffer.charAt(stop++)!=':') {
throw new RuntimeException("Error in parsing time zone" );
}
start = stop;
stop = stop+2;
data[s]=parseInt(buffer, start,stop);
if (stop == end)
return;
//get miliseconds (ms)
start = stop;
int milisec = buffer.charAt(start) == '.' ? start : -1;
//find UTC sign if any
int sign = findUTCSign(buffer, start, end);
//parse miliseconds
if ( milisec != -1 ) {
// The end of millisecond part is between . and
// either the end of the UTC sign
start = sign < 0 ? end : sign;
data[ms]=parseInt(buffer, milisec+1, start);
}
//parse UTC time zone (hh:mm)
if ( sign>0 ) {
if (start != sign)
throw new RuntimeException("Error in parsing time zone" );
getTimeZone(buffer, data, sign, end, timeZone);
}
else if (start != end) {
throw new RuntimeException("Error in parsing time zone" );
}
}
/**
* Parses date CCYY-MM-DD
*
* @param start
* @param end
* @param data
* @exception RuntimeException
*/
protected int getDate (String buffer, int start, int end, int[] date) throws RuntimeException{
start = getYearMonth(buffer, start, end, date);
if (buffer.charAt(start++) !='-') {
throw new RuntimeException("CCYY-MM must be followed by '-' sign");
}
int stop = start + 2;
date[D]=parseInt(buffer, start, stop);
return stop;
}
/**
* Parses date CCYY-MM
*
* @param start
* @param end
* @param data
* @exception RuntimeException
*/
protected int getYearMonth (String buffer, int start, int end, int[] date) throws RuntimeException{
if ( buffer.charAt(0)=='-' ) {
// REVISIT: date starts with preceding '-' sign
// do we have to do anything with it?
//
start++;
}
int i = indexOf(buffer, start, end, '-');
if ( i==-1 ) throw new RuntimeException("Year separator is missing or misplaced");
int length = i-start;
if (length<4) {
throw new RuntimeException("Year must have 'CCYY' format");
}
else if (length > 4 && buffer.charAt(start)=='0'){
throw new RuntimeException("Leading zeros are required if the year value would otherwise have fewer than four digits; otherwise they are forbidden");
}
date[CY]= parseIntYear(buffer, i);
if (buffer.charAt(i)!='-') {
throw new RuntimeException("CCYY must be followed by '-' sign");
}
start = ++i;
i = start +2;
date[M]=parseInt(buffer, start, i);
return i; //fStart points right after the MONTH
}
/**
* Shared code from Date and YearMonth datatypes.
* Finds if time zone sign is present
*
* @param end
* @param date
* @exception RuntimeException
*/
protected void parseTimeZone (String buffer, int start, int end, int[] date, int[] timeZone) throws RuntimeException{
//fStart points right after the date
if ( start(++sign)) {
throw new RuntimeException("Error in parsing time zone");
}
return;
}
if ( sign<=(end-6) ) {
//parse [hh]
int stop = ++sign+2;
timeZone[hh]=parseInt(buffer, sign, stop);
if (buffer.charAt(stop++)!=':') {
throw new RuntimeException("Error in parsing time zone" );
}
//parse [ss]
timeZone[mm]=parseInt(buffer, stop, stop+2);
if ( stop+2!=end ) {
throw new RuntimeException("Error in parsing time zone");
}
}
else {
throw new RuntimeException("Error in parsing time zone");
}
if ( DEBUG ) {
System.out.println("time[hh]="+timeZone[hh] + " time[mm]=" +timeZone[mm]);
}
}
/**
* Computes index of given char within StringBuffer
*
* @param start
* @param end
* @param ch character to look for in StringBuffer
* @return index of ch within StringBuffer
*/
protected int indexOf (String buffer, int start, int end, char ch) {
for ( int i=start;i12 ) {
throw new RuntimeException("The month must have values 1 to 12");
}
//validate days
if ( data[D]>maxDayInMonthFor(data[CY], data[M]) || data[D]<1 ) {
throw new RuntimeException("The day must have values 1 to 31");
}
//validate hours
if ( data[h]>23 || data[h]<0 ) {
if (data[h] == 24 && data[m] == 0 && data[s] == 0 && data[ms] == 0) {
data[h] = 0;
if (++data[D] > maxDayInMonthFor(data[CY], data[M])) {
data[D] = 1;
if (++data[M] > 12) {
data[M] = 1;
if (++data[CY] == 0)
data[CY] = 1;
}
}
}
else {
throw new RuntimeException("Hour must have values 0-23, unless 24:00:00");
}
}
//validate
if ( data[m]>59 || data[m]<0 ) {
throw new RuntimeException("Minute must have values 0-59");
}
//validate
if ( data[s]>60 || data[s]<0 ) {
throw new RuntimeException("Second must have values 0-60");
}
//validate
if ( timeZone[hh]>14 || timeZone[hh]<-14 ) {
throw new RuntimeException("Time zone should have range -14..+14");
}
//validate
if ( timeZone[mm]>59 || timeZone[mm]<-59 ) {
throw new RuntimeException("Minute must have values 0-59");
}
}
/**
* Return index of UTC char: 'Z', '+', '-'
*
* @param start
* @param end
* @return index of the UTC character that was found
*/
protected int findUTCSign (String buffer, int start, int end) {
int c;
for ( int i=start;i 1) return result;
else throw new NumberFormatException("'"+buffer.toString()+"' has wrong format");
}
return -result;
}
/**
* If timezone present - normalize dateTime [E Adding durations to dateTimes]
*
* @param date CCYY-MM-DDThh:mm:ss+03
* @return CCYY-MM-DDThh:mm:ssZ
*/
protected void normalize (int[] date, int[] timeZone) {
// REVISIT: we have common code in addDuration() for durations
// should consider reorganizing it.
//
//add minutes (from time zone)
int negate = 1;
if (date[utc]=='+') {
negate = -1;
}
if ( DEBUG ) {
System.out.println("==>date[m]"+date[m]);
System.out.println("==>timeZone[mm]" +timeZone[mm]);
}
int temp = date[m] + negate*timeZone[mm];
int carry = fQuotient (temp, 60);
date[m]= mod(temp, 60, carry);
if ( DEBUG ) {
System.out.println("==>carry: " + carry);
}
//add hours
temp = date[h] + negate*timeZone[hh] + carry;
carry = fQuotient(temp, 24);
date[h]=mod(temp, 24, carry);
if ( DEBUG ) {
System.out.println("==>date[h]"+date[h]);
System.out.println("==>carry: " + carry);
}
date[D]=date[D]+carry;
while ( true ) {
temp=maxDayInMonthFor(date[CY], date[M]);
if (date[D]<1) {
date[D] = date[D] + maxDayInMonthFor(date[CY], date[M]-1);
carry=-1;
}
else if ( date[D]>temp ) {
date[D]=date[D]-temp;
carry=1;
}
else {
break;
}
temp=date[M]+carry;
date[M]=modulo(temp, 1, 13);
date[CY]=date[CY]+fQuotient(temp, 1, 13);
}
date[utc]='Z';
}
/**
* Resets object representation of date/time
*
* @param data date/time object
*/
protected void resetDateObj (int[] data) {
for ( int i=0;i