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/* DateTimeType.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.validation.datatype;
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.TimeZone;
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import javax.xml.XMLConstants;
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import javax.xml.namespace.QName;
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import org.relaxng.datatype.DatatypeException;
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import org.relaxng.datatype.ValidationContext;
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* The XML Schema dateTime type.
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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final class DateTimeType
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extends AtomicSimpleType
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static final int[] CONSTRAINING_FACETS = {
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super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "dateTime"),
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TypeLibrary.ANY_SIMPLE_TYPE);
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public int[] getConstrainingFacets()
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return CONSTRAINING_FACETS;
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public void checkValue(String value, ValidationContext context)
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throws DatatypeException
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super.checkValid(value, context);
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int len = value.length();
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for (int i = 0; i < len; i++)
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char c = value.charAt(i);
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if (c == '-' && i == 0)
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if (c >= 0x30 && c <= 0x39)
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String year = value.substring(start, i);
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if ("0000".equals(year) || year.length() < 4)
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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case 6: // second fraction
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case 7: // timezone 1
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if (c == '+' || c == '-')
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throw new DatatypeException(i, "invalid dateTime value");
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throw new DatatypeException(i, "invalid dateTime value");
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if (len - start != 2)
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throw new DatatypeException(len, "invalid dateTime value");
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case 6: // second fraction
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case 8: // timezone 2
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if (len - start != 2)
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throw new DatatypeException(len, "invalid dateTime value");
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throw new DatatypeException(len, "invalid dateTime value");
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public Object createValue(String value, ValidationContext context) {
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int len = value.length();
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Calendar cal = new GregorianCalendar();
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for (int i = 0; i < len; i++)
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char c = value.charAt(i);
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if (c == '-' && i == 0)
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if (c >= 0x30 && c <= 0x39)
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cal.set(Calendar.YEAR,
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Integer.parseInt(value.substring(0, i)));
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cal.set(Calendar.MONTH,
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Integer.parseInt(value.substring(start, i)));
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cal.set(Calendar.DATE,
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Integer.parseInt(value.substring(start, i)));
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cal.set(Calendar.HOUR,
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Integer.parseInt(value.substring(start, i)));
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cal.set(Calendar.MINUTE,
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Integer.parseInt(value.substring(start, i)));
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float second = Float.parseFloat(value.substring(start, i));
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// TODO adjust non-integer values
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cal.set(Calendar.SECOND, (int) second);
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if (len - start > 0 && state == 7)
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String timezone = value.substring(len - start);
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int i = timezone.indexOf(':');
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if ("Z".equals(timezone))
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TimeZone tz = TimeZone.getTimeZone(timezone);
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cal.set(Calendar.ZONE_OFFSET, tz.getRawOffset());
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String tzh = timezone.substring(0, i);
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String tzm = timezone.substring(i + 1);
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int offset = Integer.parseInt(tzh) * 360000;
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offset -= Integer.parseInt(tzm) * 60000;
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offset += Integer.parseInt(tzm) * 60000;
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cal.set(Calendar.ZONE_OFFSET, offset);
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return cal.getTime();
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catch (NumberFormatException e)